GSI Outdoors Fan PNEG 377 User Manual

Fan And Heater

2 0 0 0

EDITION

Service

Manual

PNEG-377

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TABLE OF CONTENTS

Fan and Heater

Roof Warning, Operation & Safety ................................................................................. 4

Safety Alert Decals ..................................................................................................... 5

2000 Vane Axial Fans ................................................................................................... 8

2000 Centrifugal Fan Service Guide ............................................................................. 17

2000 Gas Heater Service Guide ................................................................................... 24

All Gas Heater Specifications ............................................................................... 25

Series 2000 Heater .............................................................................................. 34

Deluxe Heater .................................................................................................... 52

Standard Heater ................................................................................................... 57

1996-1994 Gas Heaters .............................................................................................. 62

1993-1991 Gas Heaters .............................................................................................. 70

1990 Gas Heaters ....................................................................................................... 73

Pre 1990 Gas Heaters ................................................................................................... 76

Miscellaneous Information ............................................................................................. 83

Motor Capacitor Chart ......................................................................................... 96

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ROOF WARNING, OPERATION & SAFETY

Fan and Heater

Roof Damage Warning and Disclaimer

GSI DOES NOT WARRANT ANY ROOF DAMAGE

CAUSED BY EXCESSIVE VACUUM OR INTERNAL

PRESSURE FROM FANS OR OTHER AIR MOVING

SYSTEMS. ADEQUATE VENTILATION AND/OR

"MAKEUP AIR" DEVICES SHOULD BE PROVIDED

FOR ALL POWERED AIR HANDLING SYSTEMS.

GSI DOES NOT RECOMMEND THE USE OF DOWN-

WARD FLOWSYSTEMS (SUCTION). SEVERE ROOF

DAMAGE CAN RESULT FROM ANY BLOCKAGE

OFAIR PASSAGES. RUNNING FANS DURING HIGH

HUMIDITY/COLD WEATHER CONDITIONS CAN

CAUSE AIR EXHAUST OR INTAKE PORTS TO

FREEZE.

Proper Use of Product

proper protective clothing and equipment at all times.

Guards are removed for illustration only.All guards

This product is intended for the use of grain

drying only! Any other use is a misuse of this

product. This product has sharp edges! These

sharp edges may cause serious injury. To avoid

injury handle sharp edges with caution and use

must be in place before and

during operation.

Safety Alert Symbol

The symbol shown is used to call

your attention to instructions con-

cerning your personal safety.

Watch for this symbol; it points

out important safety precautions.

It means "ATTENTION",

"WARNING", "CAUTION", and

"DANGER". Read the message

and be cautious to the possibil-

ity of personal injury or death.

WARNING! BE ALERT!

Personnel servicing fans and

heaters should read this manual.

Failure to read this manual and its

safety instructions is a misuse of

the equipment.

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SAFETY

Fan and Heater

The GSI Group, Inc. recom-

mends contacting your local power

company, and having a representa-

tive survey your installation so the

wiring is compatible with their sys-

tem, and adequate power is sup-

plied to your unit.

Safety decals should be read

and understood by all people in

the grain handling area.

CAUTION! BE VERY

CAREFUL WHEN

CHECKING OUT 220V OR

460V CONTROL CIRCUIT.

SERIOUS INJURY OR

DEATH MAY OCCUR IF

PROPER PRECAUTIONS

ARE NOT TAKEN.

BE SURE POWER IS

DISCONNECTED AND

LOCKED OUT BEFORE

INSTALLATION. FAILURE

TO DO SO MAY CAUSE

SERIOUS INJURY OR

DEATH

If a decal is damaged or is

missing contact:

GSI Group, Inc.

1004 E. Illinois St.

Assumption, IL 62510

217-226-4421

A free replacement will be sent to

you.

FAILURE TO INSTALL

THERMOSTAT INCREASES RISK OF FIRE IN BIN!

WARRANTIES ARE VOID ON HEATERS INSTALLED

WITHOUT THERMOSTATS.

Fuel Warning

Important! Do not use propane tanks which have previously been used for ammonia unless

they have been purged according to procedures of the National L. P. Association.

Be sure fuel supply system complies with all local codes for L. P. gas installations.

DO NOT USE FLAME FOR LEAK TESTING.

Power Warning

Be sure power is disconnected and locked out before installation!

Failure to do so may cause serious injury or death.

Important! Heater must be interlocked with fan for safe operation.

Important! Thermostat must be installed for safe operation.

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Fan and Heater

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Fan and Heater

2000 VANE AXIAL FANS

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FAN INSTALLATION

Fan and Heater

Machine to Earth Ground

It is very important that a machine to earth ground

rod be installed at the fan. This is true even if

there is a ground at the pole 15 feet away. This

ground needs to be as close to the fan as possible,

but no more than 8 feet away. The ground rod

should be connected to the fan control panel with

at least a #6 solid bare copper ground wire, or in

accordance with local requirements. The machine

to earth ground provides additional safety if there

is a short. It also provides the grounding neces-

sary for long life and operation of the solid state

Proper Installation of the Ground Rod

(Ground rods and wires are not supplied by GSI

). It is recommended that the rod not be driven

into dry ground. The following steps ensure proper

ground rod installation:

Figure 1: Use a #6 or approved size bare copper ground wire.

Install a 5/8" diameter 8' long copper-clad ground rod, 2' away

from the foundation and 1' below the surface of the ground or in

accordance with local requirements.

Cross-sectional area of phase Minimum cross-sectional area

conductors supplying the

equipment S (mm²)

of the external protective

conductor (mm²)

1. Dig a hole large enough to hold 1 to 2 gal-

lons of water.

2. Fill hole with water.

3. Insert rod through water and jab it into the

S<=16

16<=S<35

S=>35

S÷2

ground.

4. Continue jabbing the rod up

and down, the water will work

its way down the hole, making

it possible to work the rod com-

pletely into the ground. This

method of installing the rod

gives a good conductive bond

with the surrounding soil.

5. Connect the bare copper

ground wire to the rod with

the proper ground rod clamp.

6. Connect the bare ground wire

to the fan control boxes with

a grounding lug. See Figure

Previously Installed

Units

It is recommended that previ-

ously installed units be checked

to see that a machine to earth

ground has been installed by an

electrician.

Dig a hole large

enough to hold 1

or 2 gallons of

water. Work the

ground rod into

the earth until it

is completely in

the ground.

7. Ground wire must not have

any breaks or splices. Insu-

lated wire is not recom-

mended for grounding.

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TEST STATION

Fan and Heater

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FAN SPECIFICATIONS

Fan and Heater

3450 RPM Vane Axial Fan

FAN HORSEPOWER

RPM

3/4

1.1/2

3450

PHASE

VOLTS

230 230 460 575

5.5 2.6 1.3 1.0

Copper Wire

230 230 460 575

5.5 3.0 1.5 1.2

Copper Wire

230 230 460 575

7.5 4.6 2.3 1.8

Copper Wire

230 230 460 575

FULL LOAD AMPS

MINIMUM WIRE SIZE

50' RUN

15 7.4 3.7

Copper Wire

14 14 14 14

12 14 14 14

14 14 14 14

12 14 14 14

14 14 14 14

12 14 14 14

12 12 14 14

10 12 12 12

100' RUN

200' RUN

12 14 14

10 12 12

10 10

300' RUN

10 14 14 14

Aluminum Wire

MINIMUM WIRE SIZE

50' RUN

14 14 14 14

10 14 14 14

14 14 14 14

10 14 14 14

12 12 14 14

10 12 12 14

12 12 12 12

100' RUN

10 12 12

10 10 10

200' RUN

10 12 12

300' RUN

12 14 14

10 10

FUSE SIZE (SLOW BLOW)

BREAKER SIZE

15 10

30 15 10 10

40 20 15 15

20 15 10 10

FAN HORSEPOWER

RPM

3450

PHASE

VOLTS

230 230 460 575

47 25 13 9.6

Copper Wire

230 230 460 575

57 32 16 14

Copper Wire

FULL LOAD AMPS

MINIMUM WIRE SIZE

50' RUN

30 18

6.9

Copper Wire

10 10 12 12

12 12

10 12

10 10

100' RUN

10 12 12

200' RUN

10 12

300' RUN

Aluminum Wire

MINIMUM WIRE SIZE

50' RUN

Aluminum Wire

12 12

10 12

10 10

12 12

10 10

100' RUN

200' RUN

300' RUN

00 00

FUSE SIZE (SLOW BLOW)

BREAKER SIZE

40 25 15 15

60 30 15 15

60 30 20 15

80 40 20 20

75 40 20 20

100 60 30 20

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FAN SPECIFICATIONS

Fan and Heater

Figure 2: Fan dimensions

14" Dia

15.1/8

14.1/8

FAN

12" Dia

12.3/4

11.7/8

18" Dia

19.1/2

18.1/4

13.5/16

24" Dia

25.3/4

24.1/4

15.3/8

27.1/2

26" Dia

27.11/16

26.5/16

16.7/8

28" Dia

29.5/8

28.1/8

18.1/8

A (BOLT CIRCLE)

B (INSIDE DIA)

C (CL TO BOTTOM OF LEG)

D (LENGTH)

14.1/8

24.1/4

Note: All Dimensions in inches.

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FAN TROUBLESHOOTING

Fan and Heater

Fan Troubleshooting Chart

SYMPTOM

POSSIBLE CAUSE

SOLUTION

Replace fuses or reset breakers

Fan will not run

Blown fuse or breaker in disconnect switch

Main power not turned on

Turn power on at all disconnects

ahead of the unit

Follow wiring diagram and tighten

any loose connections

Defective wiring or loose connection

Incorrect wire size

See wire size charts for proper sire

size and change if needed

Check manual reset, push in to reset

Replace motor

Overload kicked out

Defective motor

Check the magnetic contactor

Defective magnetic contactor

Undersize wiring

Check to see that power supply wires

are the proper size, contact your local

power company.

Fan runs for a short period

of time then shuts off

Call power company after making

sure wire size is correct

Low line voltage at the installation. Power

failure.

Change magnetic contactor

Replace necessary part

Magnetic contactor malfunctioning.

Defective start/stop button

Wrong heater strip

Replace with proper heater strip

Stop fan and turn off electricity.

Remove fan screen and check to see

if fan blade is hitting the housing.

Adjust motor position to obtain proper

clearance.

Fan makes ticking noise

Fan blade hitting fan housing

Replace motor bearing

Mount fan securely

Motor bearing bad

Fan not mounted securely to pad.

Fan not level

Fan vibrates

Level fan

Clean blade

Fan has dirt deposit on blade

Motor shaft is bent

Replace motor

Mount blade properly on shaft

Replace or have blade rebalanced

Blade not mounted properly on shaft

Blade out of balance

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TROUBLESHOOTING

Fan and Heater

Fan Control Circuit

CAUTION! BE VERY

CAREFUL WHEN

CHECKING OUT 220V OR

460V CONTROL CIRCUIT.

SERIOUS INJURY OR

DEATH MAY OCCUR IF

PROPER PRECAUTIONS

ARE NOT TAKEN.

Figure 3: Fan circuit board.

IMPORTANT: ALL OF THE BELOW SYMPTOMS MAY BE CAUSED BY LOOSE WIRING OR CONNECTIONS.

ALWAYS CHECK IT FIRST!

Push Start Button, Nothing Happens:

6. Check for 220V between points F and I (while

pressing start button). If no voltage present

checkout and replace start switch if necessary.

1. Check for 220V between points C and F. If no

voltage present, check power at primary disconnect.

7. Check for 220V between points A and B (while

pressing start button). If voltage present and

no start, replace coil on contactor.

2. Check for 220V between points C and D. If no

voltage present, check "J" (thermostat) wires.

(on units with " J " wires)

Push Start Button, Fan Starts but will

not Continue after Start Switch is Re-

leased

3. Check for 220V between points C and E. If no

voltage present, replace or reset thermal motor

overload.

1. Auxiliary switch on contactor is probably bad,

checkout and replace if necessary.

4. Check for 220V between points F and G. If no

voltage present, replace 1/4 amp fuse.

Note: Always check for 220 volts at check points.

110 volts to ground does not necessarily mean

check point is okay. Voltage may bleed through

contactor coil and other similar parts.

5. Check for 220V between points F and H. If no

voltage present, checkout stop switch and replace

if necessary.

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FAN WIRING AND SCHEMATIC

Fan And Heater

240 Volt 1 Phase (15 HP)

Schematic

Wiring

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FAN SERVICE

Fan And Heater

Motors used in GSI fan units are all standard

NEMA frame motors and are specially designed for

use in crop drying applications. Most of the replace-

ment parts for these motors are handled by authorized

service stations of the various motor manufacturers.

1. Always disconnect and lock out power before

working on or around fan motor and electrical

components.

4. If excess vibration shows up at some point

when the fan has been running smoothly,

check the blade for these conditions:

a. Fans setting idle in the summer offer an

excellent place for mud dobbers to build

their nests. A mud dobber nest on the

back of the fan blade will cause the fan

to be out of balance and vibrate.

2. Malfunctioning electrical components

b. Also, mice have been

known to

should be checked by a qualified electrician.

nest in

the back of a blade.

3. For extra motor life, any electric motor

should be run for 30 minutes, once a month.

This will help eliminate any damaging mois-

ture build-up in the motor and bearings.

When the fan is

started the centrifugal force kills the mice,

but throws the blade out of balance.

Lubrication

Hours of

This is a ball bearing motor.

The bearings have been

given initial lubrication at the

factory. Motors without

regreasing capability are fac-

tory lubricated for normal

bearing life.

Suggested Relube Interval

NEMAFRAME SIZE

254 to 326T

364 to 447T

42 to 215T

Service Per Year

3 years

1 years

9 months

1 year

5 years

2 years

5000 Hrs.

Continuous Normal Application

Seasonal Service Motor is idle

for 6 months or more

1 year

(beginning of

season)

(beginning of

season)

(beginning of

season)

Relubrication

Intervals

(Motors with Regreasing

Capability)

Continuous high ambients, dirty

or moist locations, high

vibration or where shaft end is

hot (pumps-fans)

6 months

3 months

6 months

New motors having been in stor-

age for over a year should be

relubricated by the procedure noted in the chart to

ensure long operating life.

254 thru NEMA 365 frame. Use 3 to 4 strokes on

NEMA 404 frames and larger. On motors having

drain plugs, remove grease drain plug and oper-

ate motor for 20 minutes before replacing drain

plug.

Lubricant

Baldor motors are pre-greased normally with

Shell Oil Company's "Dolium R". Several equiva-

lent greases which are compatible with the Baldor

furnished grease are Chevron Oil's "SRI No. 2"

and Texaco Inc.'s "Premium RB".

On motors equipped with slotted head grease

screw, remove screw and apply grease tube to hole.

Ins rt 2 to 3 inch length of grease string in each

hole on motors in NMEA 215 frame and smaller.

Insert 3 to 5 inch length on larger motors. Motors

having grease drain plugs, remove plug and operate

motor for 20 minutes before replacing drain plug.

Keep grease clean. Lubricate motors at stand-

still. Remove and replace drain plugs at stand-

still. Do not mix petroleum grease and silicone

grease in motor bearings.

Procedure

Overgreasing bearings can cause premature bear-

ing failure. If motor is equipped with Alemite

fitting, clean tip of fitting and apply grease gun.

Use 1 to 2 full strokes on motors in NEMA 215

frame and smaller. Use 2 to 3 strokes on NEMA

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FAN SERVICE

Fan And Heater

Hub Bolt Torque Requirement for Fan Blades

A. 14" 1HP.............................................50 ft. lbs. (Trantorque)

B. 18"-1.5HP..........................................63 ft. lbs. (Trantorque)

C. 24"-7HP through 28" 15HP..............84 ft. lbs. (Trantorque)

D. 24"-7HP through 28" 15HP...............16 ft. lbs. (Browning)

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2000 CENTRIFUGAL FAN SERVICE GUIDE

Fan And Heater

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FAN SPECIFICATIONS

Fan and Heater

1750 RPM FAN

FAN

3HP

23.9/16

27.3/8

13.1/2

14.1/4

41.1/8

31.1/8

34.7/8

24.7/8

27.3/8

25.1/4 46.13/16 42.15/16 15.11/16 31.1/8

22.7/16 37.1/16

27.3/4

51.1/8

45.1/8

16.1/2

29.3/16 19.7/16

31.3/4

5HP

20.1/4 32.15/16 19.7/16

19.1/8 34.13/16 20.1/2

7.1/2HP

10HP

15HP

20HP

25HP

30HP

40HP

30.1/4 16.15/16 34.3/16

30.3/16 54.7/16 49.9/16

34.5/16

38.7/16

41.5/16

30.1/4

33.1/4

19.1/2

19.9/16 39.9/16

21.7/8 41.13/16 33.1/2 32.15/16 56.1/2

39.5/16

30.3/16 54.7/16 49.9/16 21.11/16 34.13/16 20.1/2

33.1/2 32.15/16 56.1/2

51.3/4

21.3/4

24.1/16

23.3/8

37.7/16

39.3/4

22.3/8

23.1/4

21.7/8

43.3/8

36.1/2

33.3/8 58.11/16 54.5/8

42.5/16

33.1/4 23.11/16 45.7/8

33.3/8 58.11/16 54.5/8 25.13/16 44.1/8

30-50HP

double

33.1/4

92.1/16

33.1/2 32.15/16 56.1/2

51.3/4

46.1/4

89.9/16 21.1/16 38.7/16

3500 RPM FAN

FAN

3HP

16.1/2

8.1/8

26.15/16 16.1/2

28.13/16 16.1/2

17.3/8 34.13/16 32.3/4

10.3/8 24.15/16 13.15/16 22.1/8

12.3/16 26.13/16 13.15/16 22.1/8

5HP

7.1/2HP

10HP

15HP

20HP

30HP

40HP

50HP

29.9/16

30.9/16

32.9/16

20.1/2 20.11/16

37.3/16 12.3/16 27.9/16 12.11/16 20.11/16

37.3/16 13.3/16 28.9/16 12.11/16 20.11/16

37.3/16 15.3/16 30.9/16 12.11/16 20.11/16

20.1/2 20.11/16

23.9/16 12.9/16 40.3/16

23.9/16 14.1/16 41.11/16 24.7/8

24.7/8

25.1/4 46.13/16 42.15/16 14.3/4

25.1/4 46.13/16 42.15/16 16.1/4 39.11/16 18.7/16

25.1/4 46.13/16 42.15/16 18.11/16 42.1/8 18.7/16

27.3/4 51.1/8 45.1/8 17.15/16 43.1/8

38.3/16 18.7/16

23.9/16

27.3/8

16.1/2

15.3/4

44.1/16

45.1/16

24.7/8

27.3/8

20.1/4 32.11/16

Note: All Dimensions in inches.

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FAN SPECIFICATIONS

Fan and Heater

1750 RPM FAN SPECIFICATIONS

FAN HORSEPOWER

RPM

7.1/2

1750

PHASE

575

3.6

230

575

7.9

VOLTS

230

575

5.5

575

230 460

22 11

230 460

28 14

230

FULL LOAD AMPS

MINIMUM WIRE SIZE

50' RUN

10.2

Copper Wire

10 12

Copper Wire

10 12

Copper Wire

10 12 14

10 10

100' RUN

12 12

10 12

200' RUN

300' RUN

Aluminum Wire

MINIMUM WIRE SIZE

50' RUN

10 12

10 10

100' RUN

200' RUN

300' RUN

FUSE SIZE (SLOW BLOW)

BREAKER SIZE

25 20 10

30 20 15

25 15

30 15

40 20

60 30 30

1750

FAN HORSEPOWER

RPM

1750

PHASE

VOLTS

230

230 460

42 21

230

575

230 460 575 230 460 575 230 460

460 575 230 460 575

FULL LOAD AMPS

MINIMUM WIRE SIZE

50' RUN

29 94

37 112 56

25 19.2 66

Copper Wire

10 10

100' RUN

200' RUN

300' RUN

0000

Aluminum Wire

MINIMUM WIRE SIZE

50' RUN

Aluminum Wire

100' RUN

200' RUN

000

0000

200

300' RUN

0000

000

150

FUSE SIZE (SLOW BLOW)

BREAKER SIZE

80 80

100

200

80 60

100 60

40 40 100

100 100

100

200

100

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FAN SPECIFICATIONS

Fan and Heater

3500 RPM FAN SPECIFICATIONS

FAN HORSEPOWER

RPM

7.1/2

3450

PHASE

575

230

575

VOLTS

230

14.5

460

3.9

230

19.5

460 575

460

9.4

460 575

12 9.6

230

7.8

230

7.2

FULL LOAD AMPS

MINIMUM WIRE SIZE

50' RUN

4.8

18.8

Copper Wire

10 14

Copper Wire

10 12 14

10 10

100' RUN

12 12

10 12

200' RUN

300' RUN

Aluminum Wire

MINIMUM WIRE SIZE

50' RUN

10 12

10 10

10 12

10 10

100' RUN

200' RUN

300' RUN

FUSE SIZE (SLOW BLOW)

BREAKER SIZE

25 20 10

30 20 15

40 25 15

40 30 15

40 20

60 30 30

3450

FAN HORSEPOWER

RPM

3450

PHASE

230

575

460

575

VOLTS

FULL LOAD AMPS

MINIMUM WIRE SIZE

50' RUN

575

575 230 460

46 112 56

230

230 460

112 56

Copper Wire

10 10

100' RUN

200' RUN

0000

300' RUN

Aluminum Wire Aluminum Wire Aluminum Wire

Aluminum Wire

MINIMUM WIRE SIZE

50' RUN

100' RUN

200' RUN

000

0000

200

000

0000

300' RUN

000

150

30 80

80 80

FUSE SIZE (SLOW BLOW)

BREAKER SIZE

40 40

100 100 200 100 100

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FAN SCHEMATIC AND WIRING

Fan and Heater

240 Volt 1 Phase (15 HP Marathon)

Schematic

Wiring Diagram

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FAN SERVICE

Fan and Heater

Motors used in GSI fan units are all standard

NEMA frame motors and are specially designed for

use in crop drying applications. Most of the replace-

ment parts for these motors are handled by authorized

service stations of the various motor manufacturers.

ture build-up in the motor and bearings.

4. If excess vibration shows up at some point

when the fan has been running smoothly,

check the blade for these conditions:

a. Fans setting idle in the summer offer an

excellent place for mud dobbers to build

their nests. A mud dobber nest on the

back of the fan blade will cause the fan

to be out of balance and vibrate.

1. Always disconnect and lock out power before

working on or around fan motor and electrical

components.

2. Malfunctioning electrical components

should be checked by a qualified electrician.

b. Also, mice have been known to nest in

the back of a blade. When the fan is

started the centrifugal force kills the mice,

but throws the blade out of balance.

3. For extra motor life, any electric motor

should be run for 30 minutes, once a month.

This will help eliminate any damaging mois-

Lubrication

This is a ball bearing motor.

Hours of

Service Per Year

Suggested Relube Interval

The bearings have been

given initial lubrication at the

factory. Motors without

regreasing capability are fac-

tory lubricated for normal

bearing life.

NEMAFRAME SIZE

42 to 215T

5 years

364 to 447T

254 to 326T

3 years

5000 Hrs.

1 years

9 months

1 year

Continuous Normal Application

Seasonal Service Motor is idle

for 6 months or more

2 years

1 years

1 year

(beginning of

season)

(beginning of

season)

(beginning of

season)

Relubrication

Intervals

(Motors with Regreasing

Capability)

Continuous high ambients, dirty

or moist locations, high

vibration or where shaft end is

hot (pumps-fans)

6 months

3 months

6 months

New motors having been in stor-

age for over a year should be

relubricated by the procedure noted in the chart to

ensure long operating life.

254 thru NEMA 365 frame. Use 3 to 4 strokes on

NEMA 404 frames and larger. On motors having

drain plugs, remove grease drain plug and oper-

ate motor for 20 minutes before replacing drain

plug.

On motors equipped with slotted head grease

screw, remove screw and apply grease tube to hole.

Insert 2 to 3 inch length of grease string into each

hole on motors in NMEA 215 frame and smaller.

Insert 3 to 5 inch length on larger motors. Motors

having grease drain plugs, remove plug and operate

motor for 20 minutes before replacing drain plug.

Keep grease clean. Lubricate motors at stand-

still. Remove and replace drain plugs at stand-

still. Do not mix petroleum grease and silicone

grease in motor bearings.

Lubricant

Baldor motors are pre-greased normally with

Shell Oil Company's "Dolium R". Several equiva-

lent greases which are compatible with the Baldor

furnished grease are Chevron Oil's "SRI No. 2"

and Texaco Inc.'s "Premium RB".

Procedure

Overgreasing bearings can cause premature bear-

ing failure. If motor is equipped with Alemite

fitting, clean tip of fitting and apply grease gun.

Use 1 to 2 full strokes on motors in NEMA 215

frame and smaller. Use 2 to 3 strokes on NEMA

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FAN SERVICE

Fan and Heater

Hub Bolt Torque Requirement for Fan Blades

A. 3-15HP 3500RPM fans............................16ft. lbs. (Browning)

B. 20-50HP 3500RPM fans..........................29ft. lbs. (Browning)

C. 3-50HP 1750RPM fans............................29ft. lbs. (Browning)

D. 3-7.5HP 1750RPM fans.........................125ft. lbs. (Trantorque)

E. 10-20HP 1750RPM fans........................160ft. lbs. (Trantorque)

F. 30-50HP 1750RPM fans........................200ft. lbs. (Trantorque)

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Fan and Heater

2000 Gas Heater Service Guide

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HEATER INSTALLATION

Fan and Heater

Bin Configuration

IMPORTANT! When

mounting (2) heaters on a

bin it is imperative that they

be situated as illustrated in

this drawing. Plenum

thermostat must be to the

right of master heater and

master heater must be to

the right of slave heater.

THIS TABLE IS NOT INTENDED AS A DRYING GUIDE.

IT SHOULD BE USED AS A REFERENCE FOR SETTING MAXIMUM PLENUM

TEMPERATURE FOR SAFE OPERATION.

Operating Temperature Table

HIGH-

TEMP

BATCH DRY

NO STIRRING

HIGH-

TEMP

WITH

CONTINUOUS

LO-TEMP

BATCH

FLOW

(RECIRCULATING)

STIRRING

5-20⁰

ABOVE

AMBIENT

TEMP

IMPORTANT!

DO NOT EXCEED

PLENUM

TEMPERATURES

LISTED IN TABLE

120⁰

100⁰

110⁰

140⁰

100⁰

120⁰

160⁰

CORN

RICE

5-10⁰

ABOVE

AMBIENT

TEMP

NOT

RECOMMENDED

5-20⁰

ABOVE

AMBIENT

TEMP

BEANS

WHEAT

NOT

RECOMMENDED

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REPLACING HF-7100 BOARD WITH HF-7318

Fan and Heater

DISCONNECTAND LOCK-OUT POWER BEFORE SERVICINGHEATER

1. Un-snap terminal strip tops from HF-7100 circuit board.

2. Remove HF-7100 board from Snap-track Mounting.

3. Remove HF-7034 Flame probe module (if you do not have this module you will have to install a

new flame sensor (THH-4179) in unit as well) from control box. Cut green and red wires from

sensor long enough to install onto HF-7318 board.

4. Install HF-7318 into Snap-track.

5. Snap terminal strip tops back onto new circuit board.

6. Remove Reset switch from front panel of control Box and unwire leads from terminal strip.

7. Drill out hole that reset was removed from to 1/2" diameter.

8. Install Red neon light (TFH-2021) in 1/2" hole. This is the flame-out light. Wire to terminals 11 and

5 as shown in diagram.

9. Jump terminals 17 and 18 as shown on diagram.

10. Install red and green wires onto terminals 3 and 4 as shown on diagram.

Note: terminal 3 must go to the flame sensor (not ground)

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VANE AXIAL GAS HEATER SPECIFICATONS

Fan and Heater

High Temperature Heater Specifications

24"

18"

26"

28"

24.1/4"

25.3/4"

22.1/2"

2100000

110

All models

Inside diameter

Bolt circle diameter

Length

BTU rating

Weight

18.5/16"

19.7/16"

22"

1400000

26.5/16"

27.15/16"

22.1/4"

2700000

115

28.1/8"

29.5/8"

25.1/4"

3000000

140

3/16"

3/8"

Liquid models

Maximum fuel flow (GPH)

Orifice

Minimum operating pressure

Maximum operating pressure

Minimum line size

N/A

7/32"

3/8"

15/64"

3/8"

877

3/16"

3/4"

Maximum fuel flow (CFH)

Orifice

Minimum operating pressure

Maximum operating pressure

Minimum line size

585

5/32"

1/2"

1128

7/32"

3/4"

1253

15/64"

3/4"

Vapor models

2210

5/16"

Maximum fuel flow (CFH)

Orifice

Minimum operating pressure

Maximum operating pressure

Minimum line size

1473

1/4"

3/4"

2842

23/64"

3157

3/8"

Natural gas

models

1.1/4"

Low Temperature Heater Specifications

18"

24"

26"

28"

All models

Inside diameter

Bolt circle diameter

Length

BTU rating

Weight

18.5/16"

19.7/16"

22"

400000

24.1/4"

25.3/4"

22.1/2"

500000

110

26.5/16"

27.15/16"

22.1/4"

500000

115

28.1/8"

29.5/8"

25.1/4"

500000

140

Vapor models

Maximum fuel flow (GPH)

Orifice

Minimum operating pressure

Maximum operating pressure

Minimum line size

167

5/64"

3/8"

292

3/32"

3/8"

292

3/32"

3/8"

292

3/32"

3/8"

Maximum fuel flow (CFH)

Orifice

Minimum operating pressure

Maximum operating pressure

Minimum line size

421

9/64"

1/2"

736

5/32"

1/2"

736

5/32"

1/2"

736

5/32"

1/2"

Natural gas

models

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VANE AXIAL GAS HEATER SPECIFICATIONS

Fan and Heater

BTU's per Gauge Pressure (PSI) Propane Models (Approximate)

High Temperature

Operating Pressure (PSI)

Diameter

416380

598250

816010

935660

588680

720290

832760

930880 1019420 1107800 1174960 1244360 1340080

18"

24"

26"

28"

844730 1036170 1198890 1340080 1464520 1581770 1689460 1787570 1892860

1148640 1409480 1632030 1825860 1995762 2153700 2302070 2436070 2577260

1318540 1617670 1868930 2091480 2309250 2467180 2649050 2792630 2955360

Low Temperature

Operating Pressure (PSI)

Diameter

102900

148370

145970

210580

181870

258440

208190

299130

234510

335020

253660 275200

366130 394850

294340

421170

311090

447490

335020

473810

18"

24-28"

Gauge Pressure (Psi) Required To Maintain Temperature (Approximate)

(HIGH TEMP UNITS ONLY)

Heat Rise Degrees F

Static

Fan Model

3HP-18"

100

120

140

160

180

Pressure

low-temp

7HP-24"

10HP-24"

15HP-26"

low-temp

15HP-28"

low-temp

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VANE AXIAL GAS HEATER SPECIFICATIONS

Fan and Heater

BTU's Gauge Pressure (PSI) Natural Gas Models (Approximate)

High Temperature

Operating Pressure (PSI)

Diameter

18"

24"

26"

28"

454180

710450

938450

1022350

644780

1006850

1331520

1450080

787970

1231200

1627920

1772020

909260

1419980

1876896

2043790

1016880

1587790

2099420

2285470

1115380

1741920

2302800

2507090

1204750

1881456

2487940

2708640

Low Temperature

Operating Pressure (PSI)

Diameter

18"

144100

177840

205200

251710

250800

308260

289100

355680

322850

397632

353860

435936

383040

470590

24-28"

Gauge Pressure (Psi) Required To Maintain Temperature (Approximate)

(High Temp Units Only)

Heat Rise Degrees F

Static

Fan Model

3HP-18"

100

120

140

160

180

Pressure

low-temp

7HP-24"

10HP-24"

15HP-26"

low-temp

15HP-28"

low-temp

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CHI-TOWN GAS HEATER SPECIFICATIONS

Fan and Heater

Low & Medium Temperature Models

Med-Temp

Lo-Temp

Fuel Type

Description

Vapor Models

Maximum fuel flow (CFH)

Orifice

Minimum operating pressure

Maximum operating pressure

Minimum line size

167

.094

1/2"

475

.156

1/2"

Natural Gas Models

Maximum fuel flow (CFH)

Orifice

Minimum operating pressure

Minimum line size

400

.141

1/2"

1100

.219

3/4"

Common measurements

Inside diameter

Bolt circle diameter

length

25-7/8"

27-3/16"

13-1/2"

400,000

25-7/8"

27-3/16"

13-1/2"

1,100,000

BTU rating

Weight

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CHI-TOWN HEATER SPECIFICATIONS

Fan and Heater

BTU's Per Gauge Pressure (PSI) Propane Models (Approximate)

HIGH TEMPERATURE

Operating Pressure (PSI)

Diameter

18"

294,340

509,710

658,080

777,730

880,620

981,130

1,060,099

1,136,675

Gauge Pressure (PSI) Required to Maintain Temperature (Aproximate)

Heat Rise Degrees F

Static

Pressure

Fan Model

10HP

15HP

20HP

25HP

30HP

40HP

low-temp

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CHI-TOWN HEATER SPECIFICATIONS

Fan and Heater

Btu's Per Gauge Pressure (Psi) Natural Gas Models (Approximate)

MED TEMPERATURE

Operating Pressure (PSI)

Diameter

26"

382,000

541,000

662,000

763,000

854,000

936,000

1,011,000

1,083,000

LOW TEMPERATURE

Operating Pressure (PSI)

Diameter

26"

158,000

225,000

275,000

317,000

354,000

388,000

420,000

449,000

Gauge Pressure (Psi) Required To Maintain Temperature (Approximate)

Heat Rise Degrees F

Static

Fan Model

Pressure

10"

10HP

15HP

20HP

25HP

30HP

40HP

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DOWNWIND HEATER SPECIFICATIONS

Fan and Heater

Centrifugal Heater Specifications

Hi-Temp Model

Lo-Temp Model

4000000

145

500000

135

All models

BTU rating

Weight

.25

3/8"

N/A

Liquid models

Maximum fuel flow (GPH)

Orifice size

Minimum operating pressure

Maximum operating pressure

Minimum line size

1590

.25

210

.109

1/2"

Vapor models

Maximum fuel flow (CFH)

Orifice size

Minimum operating pressure

Maximum operating pressure

Minimum line size

4200

.375

1.1/4"

500

.156

Natural gas

models

Maximum fuel flow (CFH)

Orifice size

Minimum operating pressure

Maximum operating pressure

Minimum line size

Heater Dimensional Specifications

Heater Size

Inside Height

Inside Width

Inside length

10-15

20-30

33.1/4"

21.3/4"

24"

33.1/4"

23.11/16"

24"

30.1/4"

19.1/2"

24"

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HEATER INSTALLATION

Fan and Heater

Air Pressure Switch and

Temperature Sensor Box

Installation

1. Using air switch box as a

guide, mark 2 holes on ple-

num side wall appproximately

24" to right of transition cen-

tered up and down in plenum.

2. Drill air switch filter hole 5/8"

diameter for snug fit. Drill tem-

perature sensor hole 5/8" or

larger to accommodate mounting

nut.

3. Mount Box to Bin using (4)

self drilling screws

4. Caulk between housing and side-

wall to seal.

Air Switch Box Assembly

Transition Hi-limit Installation

1. Mark location on transition

one (1) foot up from the bot-

tom (entrance collar) and

cen-

tered in the tran-

sition.

2. Drill or knock out 7/8" diam-

eter hole on marked location.

3. Install transition hi-limit using

supplied self drilling screws.

Figure 1: The transition connecting the Series 2000 Heater to the bin with the

plenum sensor in place.

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HEATER INSTALLATION

Fan and Heater

Wiring

Heater Unit

1. Be sure fan unit is installed and

wired to meet local codes. Be

sure equipment is well grounded

(see page 10).

2. A separate neutral is required

for 120 volt heater circuit in 220

volt 1PH and 3PH fan units. For

460 volt fan units a separate 120

volt power supply or transformer

is required.

3. Run 5-wire black cord from

heater unit to fan unit and se-

cure to fan.

Figure 2: Wiring diagram for the fan and heater unit.

shuts down. Recommended wiring is shown in Figure 2.

4. Orange and red wires should be

connected in series with coil in

fan. When contacts in heater be-

tween these wires open fan

5. Black and white wires should be connected to a fused 120V

power supply as shown. Green wire should be connected to

ground in fan. Heater should have power, even with fan off.

Figure 3: Secondary heater wiring diagram.

(master).

SECONDARY HEATER UNIT

3. Connect wires as shown in Figure 3.

1. Secondary heater unit runs as a slave of heater

unit #1 and requires no plenum temperature

sensor.

4. Third heater unit may also be added to system.

If adding third unit, run connections to master

unit #1 and connect them in parallel with sec

ondary heater unit.

2. Run (2) 20 gauge (minimum) wires from sec-

ondary heater unit (slave) to heater unit #1

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HEATER INSTALLATION

Fan and Heater

Figure A

Installing Optional Humidity Sensor

1. Humidity sensor should be mounted 6-8"

right of the airswitch/temperature sensor

box. See Figure A.

3. Insert pipe nipple from sensor housing

through hole in side wall and use self-

drilling screws to mount to sidewall. See

Figure B

2. Using sensor as a guide drill or knock-out

7/8" diameter hole in the center of the

plenum on the bin sidewall. If you are

using sensor to sense drying air humidity.

4. Do not caulk sensor box openings on side

of box, they are for air escape.

Figure B

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OPERATING PROCEDURE

Fan and Heater

The control panel display showing initial start up.

is no way to bypass an error condition. It mustbefixed.

(See errors on page 21)

Standard electrical safety practices and codes should

be used when working with a heater. Refer to the

National Electric Code Standard Handbook by

the National Fire Protection Association. A quali-

fied electrician should make all wiring instal-

lations.

The air switch is also checked on power up.

The air switch must indicate no airflow. This is

necessary to check the function of the air switch.

However, if the operator forgets and turns the

fan on before the controller has been powered

up, the controller locks up with the main display

alternating between a "FAN" and "ON" message.

This may be bypassed by depressing and holding

the "FAN BYPASS" switch (lower right switch).

Normal operating procedure should be to power up

the controller with the fan off.

ALWAYS DISCONNECT

AND LOCK OUT POWER

BEFORE WORKING ON OR

AROUND HEATER

Power Up

If multiple heaters are tied together, and the

master detects that the slave fan is on (the air

switch stuck?), the master will lock up displaying

"SLA ERROR". This condition may be bypassed

with the "FAN BYPASS" switch.

Allsafetyandhighlimitswitchesarecheckeduponpower

up. If a safety or limit is open, the control displays it.

The control cannot operate with a safety switch error,

and the fan cannot turn on with an error condition. There

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OPERATING PROCEDURE

Fan and Heater

Normal Operating Displays With Heater Not Running

or any other error condition will cause the display to

show the limit or error condition.

The main display shows the plenum temperature. If

the dryer has not been running, the display should

show outside temperature. The control is preset at

the factory to display temperature in centigrade or

fahrenheit.

When drying is not occurring, and the limit or

error condition is corrected, the display returns to its

normal output. This is not the case with an error or

limitconditionduringthedryingoperation. Thiscauses

the display to lock up in the error display mode. This

is to keep the display locked up with the condition

illuminated. ( see section on "Running the Dryer"

for mode explanation on page 17).

"AIRFLOW" or "NO AIRFLOW" is displayed

if air is flowing or not flowing. "RX TX" (receive,

transmit) is displayed if multiple heaters are con-

nected.

All safeties or high limits are continuously

checked during the off mode. A limit switch open,

The heater display with fan on (airflow).

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OPERATING PROCEDURE

Fan and Heater

Starting The Dryer

After heater power is turned on, the fan must be

turned on. Attempting to start the dryer without the

air switch indicating there is airflow will cause an air-

flow alarm to go off when the start switch is depressed.

Theairflowalarmissimplytheentiredisplaygoingblank,

and the "NO AIRFLOW" message flashing for a few

seconds. The display must show "AIRFLOW" before

the dryer can be started.

Programming the temperature differential.

7. Press the "PROGRAM TEMPERATURE" but

ton to continue to set the "TEMPERATURE

DIFFERENTIAL".

To start the dryer, just push the "START" switch.

The first message to come up will be the "PURGE"

message--the drying process begins with a 10 sec-

ond purge.

8. Use the increase or decrease buttons to set the

"TEMPERATURE DIFFERENTIAL" to 10°*.

When multiple heaters are connected together,

drying may be started from any heater control.

9. Press "progam temperature" button to continue

to set "relative humidity differential". Use ar-

row keys to adjust to 5%. ( Hudidity sensor units

only).

Setting Gas Pressure

1. At heater turn toggle switch to "ON" position.

2. Press the "PROGRAM TEMPERATURE" but-

ton.

10. Open all manual gas shut off valves, on and to

the heater unit.

3. Use the increase or decrease button to set the

"PLENUM HIGH LIMIT SET POINT" to de-

sired setting (100°-160°*).

11 Start the fan unit.

12. Make sure that the blade is spinning in the right

direction. If not place the toggle switch in the

"OFF" position and correct the problem.

4. Press the "PROGRAM TEMPERATURE" but-

ton to continue to set the "CYCLE SETPOINT".

(hi-lo units only)

13. After the fan reaches full speed the display should

read "AIRFLOW" in the upper right hand corner.

If not adjust air switch. (See page 19)

5. Use the increase or decrease buttons to set the

"CYCLE SET POINT" to desired setting (90°-

150°*) (hi-lo units only).

14. Press the start button on the heater control.

6. Press "programs temperature" button to continue

to set the desired "relative humidity" setting,

lower setting will run heater longer. (humidity

sensor units only) Use arrow keys to set.

15. After 10 seconds the burner should ignite. If not,

turn "OFF" the toggle switch and then back "ON".

Repeat 12-15.

*Temperatures are fahrenheit.

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OPERATING PROCEDURE

Fan and Heater

16. When the burner ignites the display should read

"HI-FLAME " at the left of the display. Loosen

the nut on the main regulator and turn screw in, to

increase pressure and out to decrease pressure.

The pressure gauges should be set at 10-15 lbs.

for LP units, or 4-6 lbs.. for natural gas units. (use

the charts on the following pages to set pressure)

19. Open or close the low cycle ball valve until

the gas pressure is 3-5 lbs. for LP, or 1-2 lbs.

for natural gas. (hi-lo units only)

20. Increase the cycle set point to return to high

flame.(hi-lounitsonly)

21. Watch heater run several minutes to make

sure it cycles between hi and lo flame or on

and off properly.

17. Press the "PROGRAM TEMPERATURE" but-

ton to change the high limit set point. Press it

again to change the "CYCLE SET POINT". (hi-

lo units only)

22. Hi-flame pressure should be adjusted so ple-

num reaches cycling temperature easily.

18. Decrease the "CYCLE SET POINT TEM

PERATURE" until the heater cycles to low

flame. (hi-lo units only)

23. Adjust pressure on on/off units so that unit is

on approximately 75% of the time.

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AIR PRESSURE SWITCH

Adjusting the Air Pressure Switch

Fan and Heater

Air pressure switch must be adjusted so

"airflow".

that it will activate with lowest level of

grain that will be dryed in bin.

If display does not read "airflow" remove

cap from adjustment port and slowly turn

screw counter clockwise until display does

read "Airflow". Figure C

Put grain in bin to level desired (low).

With heater on and fan off display on

heater should read "no airflow".

Shut fan off display should read "no air

flow" when fan gets to half speed. If not

repeat step 5.

Start fan. Heater display should now read

Figure C

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OPERATING PROCEDURE

Fan and Heater

Adjusting The Vaporizor

1. Vaporizer should be adjusted so

the vapor pipetrain runs warm

to the touch (100°-120°F).

2. Loosen 5/16" bolt on adjust-

ment bracket.

3. Swivel vaporizer away from

flame if running too hot, closer

to flame if too cold.

4. Move vaporizer only 1" at a time

and allow a few minutes for

temperature to equalize.

5. Tighten 5/16" bolt and watch

heater run for several minutes

to verify adjustment.

Running The Dryer

The display will indicate "FLAME"

when flame is sensed. If no flame

is sensed, the "FLAME" message

will be off. The display indicates

what part of the cycle it is in. If the

unit is a hi-lo dryer, the display will

indicate whether it is in the "HI-

FLAME" or "LO-FLAME" part of

the cycle. (See "programming set

points" page 21 for setting the hi-lo

flame temperature). If the tempera-

ture is above the high temperature set-

ting, theflamewillbeoff, the"FLAME"

message will be out and the display

will be flashing "OFF-CYCLE".

If the flame is shut off because

of the humidity sensor (humidistat),

the display flashes "OFF-CYCLE

HUMIDISTAT".

Adjusting the vaporizer coil on a liquid propane model. The top photo shows

the setting in, and the bottom photo shows the coil out.

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OPERATING PROCEDURE

Fan and Heater

The limits are continuously

Multiple heaters may be done at any heater control console. The informa-

tion programmed is automatically transmitted to all other heaters when the

programming is complete.

checked during the drying operation.

A limit switch open or any other er-

ror condition will cause the dryer to

shutdown, and the fan will be shut-

down. If a limit opens, or an er-

ror condition occurs during dry-

ing, the control will lockup in the

error display mode. Power must

be shut off and back on to the

control to clear the error condi-

tion--even if the error or limit

that caused the shutdown has

been corrected. This is to keep the

display locked up with the condition

that caused the error, allowing the

operator time to determine what

caused the shutdown.

Hi Limit Set Point--The upper left cursor is flashing indicating the

mode. If the plenum temperature increases above this point, the flame is

shut off--"OFF-CYCLE" is displayed on screen.

Cycle Set Point--The upper 2nd from left cursor is flashing indicating

the mode. If the dryer is not a hi-lo dryer, this function is skipped. If

the plenum temperature increases above this point, the flame reduces to

"LO-FLAME".

Humidity Set Point--The upper 2nd from right cursor is flashing indi-

cating the mode. If the humidity is above this point the dryer operates

normally--flame on and off at the high limit and cycle set points. If the

humidity is below this point the dryer goes into the "OFF-CYCLE" mode.

Temperature Differential--The upper right cursor is flashing indicating

the mode. If the flame shuts off because the temperature is greater than the

high limit set point, the temperature must fall below the (Set Point minus Tem-

perature Differential) for the flame to come back on.

Programming Set Points

Depressing the "PROGRAM"

switch (lower left) causes the dis-

play to enter the program mode.

Each item below is programmed by

using the up and down arrow

switches. Holding down these up

and down arrow switches for about

2 seconds will cause the numbers to

increase/decrease rapidly until the

switch is released. When finished

programming an item, depressing the

"PROGRAM" switch again will

cause the new setting to be entered

into memory, and the display will ad-

vance to the next function to be pro-

grammed.

Programming may be done at

anytime (unless an error condi-

tion exists) even while the dryer

is in operation.

Programming the high-limit set point.

Programming a system with

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Fan and Heater

OPERATING PROCEDURE

down arrow switches to alter the

hours. Setting range is 0 to 200

hours.

On hi-lo units when the unit reaches cycle set point, the flame will

switch to lo-flame and unit will not cycle back to hi-flame until (Set Point

minus Temperature Differential) is reached.

Temperature differential would normally be set for 10-15 degrees F

for high temp units, and 2-5 degrees F for lo-temp units.

Drying Grain In The

Hours To Shutdown

Mode

Humidity Differential--The upper right cursor is flashing indicat-

ing the mode. If the flame shuts off because the humidity set point, the

humidity must rise above the ( Set Point plus Humidity Differential) for

the flame to come back on. (Normally set to 5%)

While drying grain, depress and hold

the "SHUTDOWN HOURS"

switch. While holding in on that

switch, depress the "START"

switch. After depressing the start

switch one time, the heater is in the

shutdown mode. Then, the fan and

heater shutdown when the time ex-

pires. This is indicated by the lower

left cursor flashing.

Programming Hours To Shutdown

To change the hours to shutdown, depress and hold the "SHUTDOWN

HOURS" switch. While holding in on the switch, depress the up and

Depressing the start switch

again (while holding in on the

"SHUTDOWN HOURS" switch)

will cause only the heater to shut off.

This leaves the fan on when the time

expires. This is indicated by the 2nd

from lower left cursor flashing. De-

pressing the start switch one more

time returns the heater into the con-

tinuous--non-shutdown mode.

Run Hours Display

Run hours are recorded when the

controller detects that the fan is on

(airflow). The hours may be viewed

by depressing the "HOURS" to get

hours and "HOURS X 1000" to get

the number of 1000 hours accumu-

lated.

Multiple Heater Notes

When multiple heaters are connected

together, the temperature and humid-

ity sensors must be connected to the

master.

Setting the cycle set point.

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Fan and Heater

OPERATING PROCEDURE

Modulating Valve Operation

1. The modulating valve regulates gas flow through

the heater based on sensing unit in the plenum,

and maintains a constant drying air temperature.

Waituntiltemperatureunderbinhasequalizedas

before. Iftemperatureunderbinislessthanthe

desired temperature, continue turning T-handle

in, increasing gas flow and waiting for plenum

temperature to equalize until the desired tem-

perature is the stable temperature of the ple

num. If temperature under bin is the same 10

minutes after you last made any adjustments

to the T-handle you can be certain that the

temperature under the bin is the SET POINT

of the valve. 1 turn of the T-handle equals

approximately 7 degrees F of temperature.

2. The sensing bulb of the modulating valve should

be mounted through the bin wall with the side

reading "top" up. The bulb reacts to tempera-

ture. It changes the amount of gas (increase or

decrease), burning warmer or cooler depending

on the position of the valve SET POINT. If the

bulb is cooler than it was at the SET POINT, the

bulb senses the cooler temperature and opens

the valve further so more heat is applied to the

drying air. If the bulb is warmer than it was at

the SET POINT, the valve closes further and re-

duces the temperature until the air is at the valve

SET POINT.

5. The valve will now keep the plenum tempera-

ture at the set point regardless of ambient

conditions as long as humidistat or thermostat

do not shut down the heater.Abypass orifice

is used to maintain a small flame when out-

side temperature is near or above the set point

of the valve. The bypass insures steady appli-

cation of heat at minimum gas flow operation.

Bypass orifice will only operate correctly if

pressure regulator is set correctly.

3. It is important that the pressure regulator be set

high enough to allow the modulating valve to

deliver enough gas to maintain the plenum tem-

perature necessary. The regulator is normally

factory set at 15 psi (propane units). To set the

regulator, run the heater and turn the modulat

ing valve T-handle in. This gets full line pres-

sure to the burner. Then adjust regulator to read

15 psi (depending on the plenum temperature

needed).

6. To observe how the modulating valve increases

the efficiency of bin drying, check the gas pres-

sure of the unit in the morning and compare to

the pressure read mid-afternoon. If the ambi-

ent (outside) temperature is significantly

4. Turn the fan and heater on.To set the modulat-

ingvalve, turntheT-handleout(counterclockwise)

untillooseandwaitafewminutesfortheple-

numtemperaturetoequalize. Whenthetempera-

tureunderthebinhasequalized, graduallyturn

T-handle in (clockwise) about 1/2 turn at a time.

greater later in the day (as normal), the gas pres

sure will be less. Since less heat is required to

maintain the same temperature in the plenum,

the modulating valve will have reduced the

amount of gas used by the heater.

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FACTORY CONFIGURATION

Fan and Heater

Configuration Dip

Switches (Normally Done

At GSI)

Multiple heaters connected together through the serial link.

Master with one

slave-dip switch 7

on/all others off.

Slave #1-dip switch

one and three on/all

others off.

These switches are used to config-

ure the heater control for various

types of heaters.

Stand alone heater

with no slaves, all

dip switches in the

off state.

Master with two

slaves-dip switch 8

on/all others off.

Slave #2-dip switch

two and three on/all

others off.

Dip switch number 3 by-passes air

pressure switch when turned on.

This switch should only be used

while trouble-shooting heater.

Never leave Heater running

with air pressure switch by-

passed.

Master with

Slave #3-dip switch

one, two and three

on/all others off.

slaves-dip switch 7

& 8 on/all others

off.

The backside of the control board, showing the dip switch placement.

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ERROR CONDITIONS

Fan and Heater

Limit Switches

The following limit switch errors light up individually on the heaters LCD

screen: PLENUM, HOUSING, VAPOR, TEMP HI LIMIT.

Note: When a shutdown does occur due to an error condition, the amount

of time elapsed since the shutdown can be viewed by pressing the down

arrow switch (up to 218 Hours).

"SLA" on the main display

and the "RX" "TX" symbols will be

flashing.

If a limit switch error or one of

the error numbers 1 through 8

occurs, that error is displayed

on the slave where the error

originates. The master displays

"SLA ERROR".

Multiple Heater Error Conditions

If two or more heaters are connected together through the serial link, and the

master cannot communicate with a slave controller, the master will display

Misc Error Numbers

1 2 3 4 5 6

Temperature

probe 1 open.

Temperature

probe 1 short.

Temperature

probe 2 open.

Airflow short.

Temperature

probe 2 short.

Airflow open.

7 8 9 10 11 12

Illegal flame

sense.

Error 7 is

most likely

caused by stuck

open solenoid.

Error 7 will not

shutdown fan

until loss of

flame is detected

by control.

Flame probe

short error.

Slave #1 incon-

sistent with mas-

ter with either

the drying grain

flag or the LP

main solenoid or

cycle solenoid.

Most likely

the slave got re-

set powering up

with the sole-

noids off.

Slave #3

inconsistent.

Same as

error 9 for slave

#1.

Wrong voltage.

Dip switch

Slave #2

inconsistent.

Same as

error 9 for slave

#1.

#5 is the voltage

selector switch.

If dip switch #5

in "ON" that se-

lects 240 VAC.

If the unit has

only 120 VAC

applied, error 12

will show up. If

dip switch #5 is

"OFF" that se-

lects 120 VAC. If

the unit has 240

VAC applied er-

ror 12 will show

up.

000

This indicates

that one of the

other on screen

errors (vapor,

plenum or

(Errors 9 through 11 are displayed only if multiple heaters

are tied together through serial link).

housing temp hi-

limit or flame out

or no airflow has

occurred).

+11 volt DC

shorted to

ground.

This is im-

Note: Temperature sensor connection-the temperature

sensor (bolt) must always be connected to the master.

portant because

if the fan heater

is set up at GSI

for 120 VAC and

the customer

connects to 240

VAC the heater

control will work,

but if allowed to

operate the so-

lenoids will

have 240 VAC

applied to them

which will dam-

age solenoids.

The heater

control display

showing error #7.

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HEATER SERVICE

Fan and Heater

All Airstream heaters are constructed of durable

weather-resistant materials, so a minimum amount

of service should be required; however before the

unit is started for the first time each season there

are a few items that need to be checked out. All

damaged parts should be repaired or replaced.

or foreign material. Clean out if necessary.

3. Inspect burner for wear or foreign material in

any of the ports. Clean or replace parts if necessary.

4. Inspect the spark plug and flame probe for cor

rosion and damage. Clean or replace if necessary.

5. All control boxes and components should be

checked yearly for signs of moisture accumulat

ion. Any moisture will affect microprocessor con

trol system used on this heater. The conduit and

control boxes are particularly susceptible and

should be checked frequently. Any accumula

tion of dirt or foreign material can also cause

problems with the electrical system.

1. Disconnect and lock out power to fan and heater.

Open control box lid and inspect all compo-

nents for moisture, vibration or rodent damage.

Inspect and tighten all loose terminal con-

nections. Replace any damaged wiring.

2. Remove burner orifice tube and inspect for dirt

The Series 2000 control box.

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WIRING DIAGRAM

Fan and Heater

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HEATER SERVICE

Fan and Heater

The Temperature sensor used with the Series 2000 Heater is a thermistor. A thermistors electrical resistance

(ohms) varies according to temperature. As shown in the chart for this thermistor the resistance rises with colder

temperatures. If the temperature around the sensor is known, the resistance, when checked with an ohm meter,

should match the chart.

If the resistance does not match check for moisture, loose wires or a bad sensor. A sensor should be kept on hand

because if it fails the heater will not operate.

Programing Instructions for Series 2000 Heater

1. Turn Control Power on dryer to the off position.

2. Locate programming jack (P7) on back of computer. (See page 72).

3. Plug the series 2000 cable into programming jack and into programmers DB-9 jack.

4. Be sure that the rotary switch on the programmer is set to position 8.

5. Turn on Control Power to the dryer.

6. The four (4) lights on the programmer will come on, then three (3) will go out leaving the power light still on.

7. Push the start button on the programmer to start the transfer of Software.

8. The busy light will flash until the transfer process is complete.

9. When completed, the pass light will flash indicating a successful transfer.

10. If the fail light flashes then check your connections and repeat the above process.

11. Turn Control Power on dryer to off and remove the cable.

12. Turn on the dryer and the opening screens should indicate the newer version of software.

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HEATER SERVICE

Fan and Heater

Programmer Hook Up

(

) 8 6

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HEATER ELECTRICAL INSTALLATION

Fan and Heater

Heater Electrical Installation (230V Fans)

THESE INSTRUCTIONS ARE

FOR HEATER INSTALLATION

ON FAN UNITS WITH 230V

MOTORS.

BE SURE POWER IS

DISCONNECTED AND

LOCKED OUT BEFORE

INSTALLATION!

FAILURE TO DO SO MAY

CAUSE SERIOUS INJURY

OR DEATH.

Figure 1: Illustration of deluxe vane axial heater wiring installation

on a fan unit.

1. Connect power cord to fan

control box.

2. Make field connection of

wires in fan box as shown in

Figure 2. 110V power supply

or .5KVA 460V to 110V

transformer must be used to

supply power for heater. IM-

PORTANT! HEATER MUST

BE INTERLOCKED WITH

FAN FOR SAFE

OPERATION.

3. Connect deluxe thermostat

control (optional) as shown in

Figure 2. IMPORTANT!

THERMOSTAT MUST BE

INSTALLED FOR SAFE

OPERATION.

Figure 2: Deluxe vane axial heater wiring to fan unit.

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TRANSITION HI-LIMIT INSTALLATION

Fan and Heater

Plenum Thermostat

Mounting

The plenum thermostat is the 4 x

4 white box with knob that is

preconnected to heater when

heater is ordered with thermostat.

1. 24" to the right side of the

transition, drill one ³/₈" hole

(high temp) or 1 ¹/₂" hole (low

temp) in the center of the ple-

num in a valley (4.00" corru-

gation) or hill (2.66" corruga-

tion) on bin sidewall.

2. Insert the probe through the

hole.

Plenum thermostat mounting on bin wall.

3. Position the housing so that

the tabs are vertical, and the

cord exits the housing hori-

zontally.

4. Use 4 self drilling screws to

mount the housing to the bin

sidewall.

5. Caulk between the housing

and the sidewall to seal.

Transition Hi-Limit Installation

1. Mark location on transition

one (1) foot up from the bot-

tom (entrance collar) and cen-

tered in the transition.

2. Drill or knock out 7/8" diam-

eter hole on marked location.

3. Install transition hi-limit us-

ing supplied self drilling

screws.

Figure 2: The transition connecting the Vane Axial Heater to the bin with

the plenum sensor in place.

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Annual Heater Inspection

Fan and Heater

All GSI heaters are con-

structed of durable weather-resis-

tant materials, so a minimum

amount of service should be re-

quired; however before the unit

is started for the first time each

season there are a few items that

need to be checked

1. Lock out power to heater. Open control box lid and inspect all com

ponents for moisture, vibration or redent damage. Inspect and tighten

all loose terminal connections. Replace any damaged wiring.

2. Remove burner orifice tube and inspect for dirt or foreign material.

Clean out if necessary.

3. Inspect burner for wear or foreign material in any of the ports. Clean

or replace parts if necessary.

out. All damaged

parts should be re-

4. Inspect the spark plug and flame probe for corrosion and damage.

Clean or replace if necessary.

paired or replaced.

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FAN PARTS

Fan and Heater

For Units Using

HF-7318 Control Board

5. Connect wires to terminal 5 and 9 (points A

and B) on relay base in master heater.

2 Deluxe heaters may be connected to one grain

drying system and wired so they cycle together.

One of the heaters should have a thermostat

connected to it as per the installation instructions.

That heater will be referred to as the master. The

other heater (without the thermostat) will be

referred to as the slave.

6. Connect wire from terminal 9 in master to

terminal 14 (point F) in slave unit.

7. Connect wire from terminal 5 in master to

terminal 15 (point E) in slae unit.

8. Install relay (TD-100282) in relay base.

Installation For

Standard Units

Additional Steps For

Hi-Lo Units

1. Install relay base (TD-100283) in master

heater control box.

1. Run 2 wires (18 gage) between master and slave

unit.

2. Connect wire between term 6 on circuit board

and terminals 14 on relay base in master

heater.

2. Connect wires to terminals 21 and 22 (points C

and D) on circuit board in main heater.

3. Connect wire from terminal 21 in master to

terminal 12 (point H) in slave unit.

3. Connect wire between term 13 on relay base

and terminals 8 on circuit board in master

heater.

4. Connect wire from terminal 22 in master to

terminal 13 (point G) in slave unit.

4. Run 2 wires (18 gage) between master and

slave heaters.

5. Install relay (TD-100282) in relay base.

Figure 4: The HF-7318 control board.

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WIRING SCHEMATIC

Fan and Heater

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STANDARD HEATER WIRING

Fan and Heater

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STANDARD HEATER SCHEMATIC

Fan and Heater

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TROUBLE-SHOOTING FLOW CHART

Fan and Heater

This chart should be used step by step to troubleshoot heater if heater does not start immediatly after

turning on switch. This troubleshooting flow chart requires use of a voltmeter to check for 110 volts

on designated terminals on terminal strip in heater. Always use voltmeter to check between termi-

nals that are designated not between terminals and ground.

Check incoming

Voltage

power supply to

terms 1 and 8

heater

YES

Voltage

terms 2 and 8

Fuse blown or on/

off switch bad

YES

Voltage

terms 4 and 8

Reset button

tripped or bad

YES

Voltage

terms 6 and 8

Voltage

terms 4 and 5

Check

thermostat

YES

Housing

HI-Limit

Voltage

terms 7 and 8

Open

Flame Probe

Voltage

terms 4 and 3

NO tripped or bad

YES

Check Vapor

HI-Limit

Replace

Terminal Strip

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TROUBLE SHOOTING CHART

Fan and Heater

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NOTES

Fan and Heater

Notes

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Fan And Heater

1996-1994 Gas Heaters

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DELUXE HEATER WIRING

Fan And Heater

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DELUXE HEATER SCHEMATIC

Fan And Heater

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DELUXE HEATER SCHEMATIC

Fan And Heater

1993-1995 Heaters

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2ND HEATER INSTALLATION

Fan And Heater

For Units using HF-7100 Control Board

Manufactured after September 1. 1993

2nd Heater Control is Available with the HF-7100 heater control board. For Standard units no extra

parts are required. For HI-LO units (1) TD-100282 Relay must be installed. INSTALLATION

SHOULD BE MADE BY A QUALIFIED ELECTRICIAN. When points are called out in instruc-

tions they are in reference to points on drawing below text.

Run (4) wires from Main Heater (Heater

that thermostat is connected to) to 2nd

Heater.

Installation (Standard Units)

Run (2) wires from Main Heater (Heater that

thermostat is connected to) to 2nd Heater.

Connect 2 of the wires to terminals 3 and 4

(Points B and A) of 2nd Heater control

terminal strip in Main heater.

Connect 2 wires to terminals 3 and 4 (Points

B and A) of 2nd heater control terminal strip

in Main heater.

Connect other end of these wires to termi-

nals 4 and 5 (Points F and E) on lower left

hand corner of HF-7100 board in 2nd

heater.

Connect other end of these wires to termi-

nals 4 and 5 (Points F and E) on lower left

hand corner of HF-7100 board in 2nd heater.

Connect other 2 wires to terminals 1 and 2

(Points D and C) of 2nd heater control

terminal strip in Main heater.

Installation (HI-LO Units)

Plug (1) TD-100282 Relay into empty

socket on HF-7100 Control board in Main

Heater.

Connect other end of these wires to termi-

nals 2 and 3 (Points Hand G) on lower left

hand corner of HF-7100 board in 2nd

heater.

USED ON HI-LO UNITS ONLY

H G F

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SMART BOARD

Fan and Heater

"SMART BOARD" is the name of the new printed

circuit board in your heater. The purpose of this new

board is to simplify the procedure for checking out

the heater in case of a malfunction. "SMART

BOARD" uses a series of lights to check for power at

various locations in the heater circuit. Lights that are

lit have power going to those components or loca-

tions, lights that are not lit indicate a lack of power at

the terminal or location. During the operation of the

heater, some check points should have power and

some should not have power. The lights are num-

bered (1 through 7, A and B). Following is informa-

tion to help identify which lights should be lit, what

problem may exist and explain the operation of the

SMART BOARD.

Standard Heaters ( not HI-LO fire):

When standard heater units are first turned on the and

the purge time is completed (10 seconds), auto-check

lights #1 through #6, A and B should be lit. When

flame is established A and B will drop out. Light #7

is used only on HI-LO fire units and does not function

on standard units.

HI-LO Fire Heater

On HI-LO fire units, all of the light sequences are the

same as on standard units, except light #7 will be lit

on high flame, and goes out when switching to low

flame.

When the plenum chamber reaches the preset tem-

perature of the humidistat-thermostat, lights 1 and 2

will be lit all other lights will be out. Once the flame

goes out, light A will be lit and after the purge delay,

lights 3 and 4 will be lit also. When the plenum

chamber cools to the point of requiring more heat,

lights 5 and 6 will be lit again. The cycle should

continue until the unit is shut off.

If a problem should occur, by

following the instructions, the

reason a heater does not maintain

flame should be easily deter-

mined. As with any trouble-shooting, do not put

ANYTHING inside the electrical box when the unit

has power supplied to it. Be sure power is discon-

nected at the breaker before servicing.

The information below lists the light number(s) and

what they indicate. Follow the chart down to the

appropriate condition the unit is in, then read across

to the explanation. Once the problem has been

identified, you can proceed to fix the problem.

If the heater unit does not operate properly, remove

the electrical box cover and look at the Auto-Check

board. By looking at the lights on the board, the

problem should be easily identified. With the on-

off switch on, determine which lights are lit and

which are not.

NOTE: Remove power and inspect all electrical

connections before any other troubleshooting. If any

connections are loose, tighten them and retry opera-

tion.

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SMART BOARD

Fan And Heater

flame detection module. (blue/

black and white/brown wires). If

connection is good replace flame

detection module.

Light Identification

Light 1

Signifies the on/off switch is on

and the heater hi-limit is good.

1,2 and A

If onlylights 1,2 and A are lit,

check the 10 second purge relay

and/or the DPDT relay. Replace

either part if faulty and restart

unit.

Light 2

Light 3

Signifies the fuse is good.

Signifies the 10 second time delay

relay and/or the DPDT relay is

energized.

1,2,3 and A

If only lights 1,2,3 and A re lit

the vapor hi-limit has shut down

the unit. If the unit has been

operating and just shut down,

allow time for the vapor high

limit to cool down (2 or 3

minutes). The vapor hi-limit

will automatically reset itself.

Then, readjust the vaporizer to a

cooler position and the unit will

restart itself. If it will not restart

check and/or replace vapor hi-

limit.

Light 4

Light 5

Light 6

Signifies the vapor hi-limit is

closed, or set, not tripped out.

Signifies the humidistat-thermostat

is calling for heat.

Signifies the DPDT relay, vapor

solenoid, liquid solenoid, ignition

transformer and indication light are

receiving power.

Light 7

Signifies the cycle thermostat is

closed and the cycle solenoid is

receiving power.

1,2,3,4 and A If only lights 1,2,3,4 and A are

lit, the humidistat thermostat or

other heater control device has

shut down the unit. Allos time

for thermostat to cool and if unit

does norestart check and/or

Light A

Light B

Signifies the flame probe is closed.

Signifies the DPDT relay is

energized and the time delay reset

is receiving power.

replace control device.

1-5 and A

If only lights 1-5 and A are lit

the time delay reset has shut

down the unit. Reset the delay

and restart the unit. If the delay

connot be reset then replace. (If

reset keeps kicking out flame

sensor may be bad or need to be

adjusted into the flame).

Troubleshooting Chart

Description

Light #

If no light is on, first check the on/

off switch to be sure it is in the on

position. If the unit still does not

operate, check the heater hi-limit.

1-6, A and B Check to see that spark plug is

giving good blue sparkplug is

giving good blue spark. If spark

plug is not sparking check

If light #1 is the only one lit,

check the fuse on the SMART

BOARD. If faulty, replace.

transformer, spark plug and

spark plug wire. If unit does

have good spark check to be sure

that gas supply is on.

1 and 2

If only lights 1 and 2 are lit,

check your connections to the

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DOWNWIND HEAT ADJUSTMENT PROCEDURE

Fan And Heater

For Heaters Manufactured after 1988

Diverter moved towards hot side of transition

Burner pivoted away from hot side of transition.

Notes:

Move Burner and diverter in very small increments and allow bin time to even out.

Always try pivoting burner first, this works great for minor adjustments.

Thermostat should always be mounted on right side of transition (looking into bin) as this is nor-

mally the warmer side of the bin.

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Fan and Heater

1991-1993 GAS HEATERS

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2ND HEATER INSTALLATION

Fan And Heater

For Units using HF-7100 Control Board

2nd Heater Control is Available with the HF-7100 heater control board. For Standard units (1) TD-

100282 Relay must be installed. For HI-LO units (2) TD-100282 Relay and (1) TD-100283 Relay

base must be installed. INSTALLATION SHOULD BE MADE BY A QUALIFIED ELECTRI-

CIAN. When points are called out in instructions they are in reference to points on drawing below

text.

Installation (HI-LO Units)

Installation (Standard Units)

Plug (1) TD-100282 Relay into empty

socket on HF-7100 Control board in Main

heater.

Plug (1) TD-100282 Relay into empty

socket on HF-7100 Control Board in Main

Heater.

Install TD-100283 Relay base in main

heater.

Run (2) wires from main heater (heater that

thermostat is connected to) to 2nd heater.

Run 1 wire from CYCLE (Point A ) to

terminal 13 on Relay Base. Run 1 wire from

COMM (Point B) to terminal 14 on relay

base.

Connect 2 wires to terminals 1 and 2 (Points

C and D) of 2nd heater control terminal strip

in Main heater.

Connect other end of these wires to termi-

nals 4 and 5 (Points F and E) on lower left

hand corner of HF-7100 board in 2nd heater.

Run (4) wires from Main Heater (Heater

that thermostat is connected to) to 2nd

Heater.

Connect 2 of the wires to terminals 9 and

5 of TD-100283 Relay base in main heater.

Connect other end of

these wires to terminals 2 and 3

(Points G and H) on lower left

hand corner of HF-7100 board

in 2nd heater.

Connect other 2 wires to

terminals 1 and 2 (Points D and

C) of 2nd heater control termi

nal strip in Main heater.

Connect other end of these

wires to terminals 4 and 5

(Points E and F) on lower left

hand corner of HF-7100 board

in 2nd heater.

H G F

Install TD-100282 Relay into

TD-100283 Relay base in main

heater.

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WIRING SCHEMATIC

Fan And Heater

1991-1992 Heaters

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Fan and Heater

1990 GAS HEATERS

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ELECTRICAL CHECK-OUT CHART

Fan and Heater

For Units Using HF-7062 Control Board

All troubleshooting should be done with GAS SHUT OFF AT TANK. It is recommended to run drop cord

from 110 volt power source to test electrical system on heater. However NEVER RUN HEATER WITHOUT

IT BEING ELECTRICALLY INTERLOCKED TO FAN. This may cause unit to be severely damaged in case

of fan failure.

Before checking out any of the components on the HF-7062 heater controller board check to make sure that

there is power to the board. Turn on/off switch to on position, check voltage between terminals L1 to L2 on

the board there should be 110 volts present. If no voltage present check to make sure Heater housing high-

limit is reset. If housing high-limit is reset check it and the on/off toggle switch to see if they are defective. If

they check out OK then check to be sure that the unit has a good neutral. All tests below should be done with

power on and on/off switch in on position.

Purge Delay

CALLY. It must be cool to be closed. Check

voltage between points G and B on Board. If

voltage is present then vapor high-limit should be

OK. If no voltage present check between points H

and B. If voltage present then vapor high-limit is

probably defective. If no voltage present check for

bad connections on board or lack of a good neutral

line coming into heater.

Turn on/off switch to on position. There should be

110 volts between points A and B on board. If no

voltage present check out flame probe. If 110 volts

are present wait 15 seconds and check voltage

between points C and D on board if no voltage

present purge relay is possibly defective.

Time Delay Reset

Flame Probe

CHECK TO BE SURE TIME DELAY RESET IS

PUSHED IN (RESET CONDITION). Check

voltage between points I and J. If 110 volts present

then time delay reset should be OK. If no voltage

present check voltage between points I and D. If

110 volts are present then time delay reset is prob-

ably defective. If no voltage present the check

housing hi-limit or on/off switch.

Flame probe should be closed when cool and open

when warm. FLAME PROBE MUST BE COOL

(CLOSED) FOR UNIT TO START. Check voltage

between points A and B. If 110 volts is present then

flame probe is probably OK. If no voltage present

check between points B and C. If 110 volts present

flame probe is defective. If no voltage is present

check bin high limit.

IMPORTANT: After approximately 60 seconds of

heater operation with gas shut off reset button

should kick out. If it does not then check out flame

probe.

Bin High-Limit

THERMOSTAT MUST BE PLUGGED IN AND

CALLING FOR HEAT FOR UNIT TO START.

Check voltage between points B and E. If 110 volts

present then vapor high-limit should be OK. If no

voltage present check between points F and B. If

110 volts present check out thermostat circuit. If no

voltage present check out vapor high-limit and

housing high-limit.

Vapor High-Limit

(Liquid units only)

VAPOR HIGH-LIMIT RESETS AUTOMATI-

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2ND HEATER INSTALLATION

Fan and Heater

For Units using HF-7062 Control Board

2nd Heater Control is Available with the HF-7062 heater control board. For Standard units (1) TD-

100282 Relay must be installed. For HI-LO units (2) TD-100282 Relay must be installed. INSTAL-

LATION SHOULD BE MADE BY A QUALIFIED ELECTRICIAN. When points are called out in

instructions they are in reference to points on drawing below text.

Installation (Standard Units)

Run (4) wires from Main Heater (Heater

that TD-100282 Relay were installed in) to

2nd Heater.

Plug TD-100282 Relay into left 1 pole relay

socket on HF-7062 Control Board (This is

the socket closest to the 2PDT relay on

board See Drawing point I

Connect 2 of the wires to terminals 1 and 2

(Points C and D) of 2nd Heater control

terminal strip in main heater.

Run (2) wires from main heater (heater that

TD-1000282 Relay was installed in) to 2nd

heater.

Connect other end of these wires to termi-

nals 2 and 3 (Points G and H) on lower left

hand corner of HF-7062 board in 2nd

heater or install 2 prong plug on wires and

plug into front of control box in receptacle

marked CYCLE.

Connect wires to terminals 3 and 4 (Points

A and B) of 2nd heater control terminal strip

in Main heater.

Connect wires to terminals 4 and 5 (points E

and F) on lower left hand corner of HF-7062

board in 2nd heater or install 2 prong plug

on wires and plug into front of control box

in receptacle marked CYCLE.

Connect other 2 wires to terminals 3 and 4

(Points A and B) of 2nd heater control

terminal strip in Main heater.

Connect other end of these wires to termi-

nals 4 and 5 (Points F and G) on lower left

hand corner of HF-7062 board in 2nd

heater or install 2 prong plug on wires and

plug into front of control box in receptacle

marked HI-LIMIT.

Installation (HI-LO Units)

Plug (2) TD-100282 Relay into empty

sockets on HF-7062 Control board in Main

Heater.

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Fan and Heater

PRE-1990 GAS HEATERS

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HEATER WIRING DIAGRAM

Fan and Heater

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HEATER SCHEMATIC

Fan and Heater

Vane Axial LP Heater

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HEATER SCHEMATIC

Fan and Heater

Vane Axial Vapor Heater

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HEATER SCHEMATIC

Fan and Heater

Downwind LP Heater

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HEATER SCHEMATIC

Fan and Heater

Downwind Vapor Heater

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HEATER SCHEMATIC

Fan and Heater

Lo-Fire Downwind Heater

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Fan and Heater

MISCELLANEOUS INFORMATION

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FLAME DETECTOR KIT INSTALLATION

Fan and Heater

PNEG-286

1991-1993

Flame Detector Kit Installation

Part Number HF-7136

Mount the detector module inside the

heater control box. Module can be

mounted in any position, but install so

that moisture cannot get inside unit.

The remaining three wires are the

normally open or normally closed relay

contacts that replace the mechanical

flame probe. The blue-black wire is the

common, the white-brown wire is the

normally closed, and the white-blue is

the normally open. On all Airstream

heaters use the blue-black and the

white-brown wires. The white-blue

wire should be used only on makes of

heaters that use a normally open probe.

Run white wire to common or neutral

of 120V power source.

Run black wire to terminal that is 110V

when heater gets power. (Wire module

power in parallel with ignition trans

former or main solenoid if they are

110V.)

Mount the sensing probe so the sensing

portion will be in the flame at its highest

and lowest operating conditions.

Run green and red wires down to sens-

ing probe. Red wire should go to flame

probe electrode and green wire should

go to flame probe ground. For proper

operation the ground wire should be

connected as close to probe as possible.

Inside the flame detector is a red neon

light. This light should be on when

flame is being sensed and will go out

when flame out condition is detected.

CONNECT WHERE

MECHANICAL PROBE

WIRES WERE CONNECTED

NORMALLY OPEN

COMMON

NORMALLY CLOSED

WHITE/BLUE

BLUE/BLACK

WHITE/BROWN

FLAME

DETECTOR

MODULE

ELECTRODE

RED

GREEN

TO FLAME SENSOR

GROUND

BLACK

WHITE

TO FLAME SENSOR

NOTE: IF PROBE DOES NOT SEEM TO SENSE FLAME AS IT SHOULD REVERSE THE

RED AND GREEN WIRES AT THE PROBE. THIS MAY INCREASE SENSITIVITY OF

PROBE ON CERTAIN MAKES OF HEATERS.

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FLAME DETECTOR KIT INSTALLATION

Fan and Heater

PNEG-286

1994-1995

Flame Detector Kit Installation

Part Number HF-7136

Mount the detector module inside the

flame probe. The blue-black wire is the

common, the white-brown wire is the

normally closed, and the white-blue is

the normally open. On all Airstream

heaters use the blue-black and the

white-brown wires. The white-blue

wire should be used only on makes of

heaters that use a normally open probe.

heater control box. Module can be

mounted in any position, but install so

that moisture cannot get inside unit.

Run white wire to common or neutral

of 120V power source.

Run black wire to terminal that is 110V

when heater gets power. (Wire module

power in parallel with main solenoid if

it is 110V.)

110 volt igniton transformer may be

connected to (2) 1/4" male spade con-

nectors. This will turn off igniton after

flame is established.

Run green and red wires down to sens-

ing probe. Red wire should go to flame

probe electrode and green wire should

go to flame probe ground. For proper

operation the ground wire should be

connected as close to probe as possible.

Mount the sensing probe so the sensing

portion will be in the flame at its highest

and lowest operating conditions.

On the side of the flame detector is a red

neon light. This light should be on

when flame is being sensed and will go

out when flame out condition is detected.

The remaining three wires are the

normally open or normally closed relay

contacts that replace the mechanical

(NOT USED NORMALLY)

CONNECT WHERE

MECHANICAL PROBE

WIRES WERE CONNECTED

NORMALLY OPEN

COMMON

NORMALLY CLOSED

WHITE/BLUE

BLUE/BLACK

WHITE/BROWN

ELECTRODE

RED

GREEN

FLAME

DETECTOR

MODULE

TO FLAME SENSOR

GROUND

BLACK

WHITE

TO 110V POWER

110 VOLT IGNITION TRANSFORMER

CONNECTION (1/4" MALE SPADES)

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FLAME DETECTOR KIT INSTALLATION

Fan and Heater

PNEG-286

1996-PRESENT

Flame Detector Kit Installation

Part Number HF-7136

Mount the detector module inside the

heater control box. Module can be

mounted in any position, but install so

that moisture cannot get inside unit.

flame probe. The blue-black wire is the

common, the white-brown wire is the

normally closed, and the white-blue is

the normally open. On all Airstream

heaters use the blue-black and the

white-brown wires. The white-blue

wire should be used only on makes of

heaters that use a normally open probe.

Run white wire to common or neutral

of 120V power source.

Run black wire to terminal that is 110V

when heater gets power. (Wire module

power in parallel with main solenoid if

it is 110V.)

110 volt ignition transformer may be

connected to (2) 1/4" male spade con-

nectors. This will turn off ignition after

flame is established. This step is not

required for operation.

Run green and red wires down to sens-

ing probe. Red wire should go to flame

probe electrode and green wire should

go to flame probe ground. For proper

operation the ground wire should be

connected as close to probe as possible.

Mount the sensing probe so the sensing

portion will be in the flame at its highest

and lowest operating conditions.

On the side of the flame detector is a red

neon light. This light should be on

when flame is being sensed and will go

out when flame out condition is detected.

The remaining three wires are the

normally open or normally closed relay

contacts that replace the mechanical

(NOT USED NORMALLY)

CONNECT WHERE

MECHANICAL PROBE

WIRES WERE CONNECTED

NORMALLY OPEN

COMMON

NORMALLY CLOSED

WHITE/BLUE

BLUE/BLACK

WHITE/BROWN

FLAME

DETECTOR

MODULE

ELECTRODE

RED

GREEN

TO FLAME SENSOR

GROUND

BLACK

WHITE

TO 110V POWER

CONNECT WHERE ONE SIDE OF

IGNITION TRANSFORMER WAS CONNECTED

IGNITION

TRANSFORMER

DO NOT MOVE THIS SIDE OF

IGNITION TRANSFORMER CONNECTION

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SELF-OPERATED MODULATING VALVES

Fan and Heater

Johnson Controls, Inc.

Control Products Division

1302 East Monroe Street

Goshen, IN 46526

Series V50

Self-Operated Modulating Valves

For Outdoor Crop Dryer Service

Installation and Operation

Instructions

Application

These valves control the flow of gas on natural or LP

gas fired outdoor crop dryers to maintain desired

drying air temperature. Changes in air temperature at

the sensing bulb cause the valve to modulate the gas

supply to the main burner.

Figure 1

Figure 2

Modulating Value V50A

Modulating Value V50B

CAUTION: Valves are for outdoor crop dryer

service only. Not for use on applications of any other

kind.

instances the outside temperature will not be high

enough to provide the regulating valve with

pressure above this value. The maximum working

pressure for V50 self-operating valves is 30 PSIG.

All Series V50 valves are designed for use only as

operating devices. Where system closure, improper

flow or loss of pressure due to valve failure can result

in personal injury and/or loss of property, a separate

pressure relief or safety shutoff valve, as applicable,

must be added by the user.

As the modulating valve provides only a portion of

the pressure drop, the maximum firing rate (valve

wide open) is determined by the setting of the

pressure regulator and the size of the burner

orifice.

Operation

LP Gas Application

Installation

These valves are normally located on the crop dryer

gas manifold between the pressure regulating valve

and the burner orifice. They are used on vapor

withdrawal systems or on liquid withdrawal systems

using a direct or indirect vaporizer. They should not

be used as a expansion valves (handling liquid LP) on

straight liquid withdrawal systems.

Follow original equipment manufacturer's installa-

tion instructions, if provided.

CAUTION: The valve should not be installed on

lines where line pressure excedds 30 PSIG (207

kPa). When there is a possibility of pressures over

30 PSIG, provide an overpressure or alarm

control. The temperature at the sensing bulb must

not exceed maximum valve range shown on the

nameplate by more than 20F° (10C°). The maxi-

mum ambient temperature around the valve body

must nots exceed 175°F (79°C).

A pressure regulating valve is required to maintain

uniform inlet pressure to the V50 modulating valve

because the tank pressure varies considerably due to

changes in tank ambient temperature.

The recommended setting for the pressure regulating

valve is no higher than 30PSIG (207 kPa) as in many

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SELF-OPERATED MODULATING VALVES

Fan and Heater

Installation and Operation Instructions,

continued

Bypass Orifice Selection

These valves have a threaded hole in the internal

web of the valve for an internal bypass. ( See

figure 5) They are normally supplied with a solid

plug installed in this hole for complete shutoff.

Five drilled orifice fittings are supplied with each

valve for field installation, if bypass is needed. The

bypass orifice is ued to maintain a minimum flame

which will burn even when the close-off point has

been reached. When bypass is required, remove

the solid plug and replace with the proper orifice

plug. See selection table.

Be sure the valve is installed so the gas flows

through the body in the proper direction as indi-

cated by the arrow on the body.

On direct or indirect fired vaporizer systems in

which hot LP gas is flowing through the valve,

install the valve with the bellows pointing down.

This allows the temperature sensing element to

perform properly. In vapor withdrawal systems,

the gas flowing through the valve is cooler than

the sensing bulb and valve is cooler thatn the

sensing bulb and valve mounting position is not as

important.

The temperature sensing bulb should be installed

so the capillary end of the bulb is always higher

than the plugged and of the bulb (see figure 3.)

If the installation requires that the bulb be in a

horizontal position, it is very importanat to be sure

that the word "TOP" appears at the top or upper-

most surface of the bulb. (see Figure 4).

Figure 5-Cutaway view showing location of orifice

plug

CAUTION: Do not kink or sharply bend the

capillary tubing. Coil and secure excess capillary

if installed where subjectd to vibration, allowing

some slack in capillary to avoid "violin string"

vibrations. Do not allow capillary to rub surfaces

where friction can damage the tubing.

Figure 6-Typical piping for the V50 Valve

Orifice Sizes in Kit

Number PLG14A-600R

Orifice Size

Color

Code

Figure 3-Capillary-end of bulb higher than plugged-end

of temperature bulb.

In.

.040

.062

.078

.093

.125

1.02

1.57

1.98

2.36

3.18

Red

Yellow

Green

Blue

Aluminum

Figure 4-Horizontal bulb mounting with "TOP" at top

or uppermost surface of bulb.

Solid Plug

Brass

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SELF-OPERATED MODULATING VALVES

Fan and Heater

Adjustment

next larger orifice from kit PLG14A-600R.

Adjust the valve close-off point by turning the "T"

handle on top of the range spring housing.

Before leaving the installation, observe at least

three complete operating cycles to be sure that all

components are functioning correctly. Gas pres-

sure through the valve should be verified by an

accurate gage.

When the handle is turned in (clockwise) a high

bulb temperature is required to close the valve.

Turn the handle ou (counterclockwise) when a

lower temperature is desired.

The operator can set the valve to be fully closed at

any temperature within its range. The gage on the

V50B valves is an integral lpart of the temperature

sensing element and helps the operator make

accurate settings.

Repairs and Replacement

The internal parts, orifice plug, diaphargms and

sensing elements may be replaced. Other field

repairs must not be made. When ordering a re-

placement valve or sensing element, specify

Product Number shown on valve. Replacement

parts and valves may be obtained through the

nearest Johnson Controls wholesaler.

Checkout Procedure

Check for gas leaks with a soap solution at the

piping connections and around valve gaskets.

CAUTION: Check all joints for leaks with a soap

solution after valve has been repaired.

Check for minimum fire stability-ifunstable use

Replacement Parts

Valve Renewal

Kit*

Diaphragm

Kit

Orifice

Plug Kit

Valve Size

1/2*

3/4*

STT15A-604R DPM16A-600R PLG14A-600R

STT16A-603R DPM16A-601R PLG14A-600R

STT17A-614R DPM16A-602R PLG14A-600R

STT17A-615R DPM16A-602R PLG14A-600R

1 1/4*

*Includes deat, disc, diaphragms and all internal parts to reconditon valve.

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FENWAL-SERIES 05-14

Fan and Heater

FENWAL

SERIES 05-14

Proof of Flame

Direct Spark Ignition System

U.S. Patent Nos. 3,504,992;3,832,123;3,847,533;3,861,854.

Can Patent No. 860,521

Installation Instructions

General Information

Fenwal Series 05-14 Spark Ignition Systems are

manufactured and tested to the most rigid quality

control standards. Strict adherence to these

instructions will assure satisfactory performance.

WARNING: This ignition system complies with

the Z21.20 ANSI Standards for gas burner auto-

matic ignition systems when installed with Fenwal

specified electrodes and high voltage lead wires.

The replacement of components or any alterations

to this control board will invalidate our warranty,

void agency certifications and can create hazard-

ous conditions that may cause property damage,

personal injury or even death.

before the unit can be recycled. Reset action may

be accomplished at either the thermostat or at the

control unit circuit breaker, depending on the model

number of the unit. If the ignitor is a manual reset

model (05-140X0X-00X), the circuit breaker will

trip several seconds after sparking stops and the gas

valve is deenergized. If the ignitor is designed for

thermostatic reset, (05-1420X0X-00X), the circuit

breaker will only trip after several attempts at re-

ignition.

Operation

On a call for heat, input power is applied to

control board, sparking is then initiated and the

gas valve is energized. Sparking continues with

the gas valve powered for a specified "trial-for-

ignition" period. (See Specifications for timing

periods.)

Thermostat Reset (Line Interruption)

Should the 05-14 series with the thermostat reset

(models designated 05-142X01-0XX) go into lock-

out due to loss of flame, the thermostat should be

momentarily turned below set point or the control

switch opened to initiate recycling. Lowering the

thermostat below ambient will normally recycle the

system. If several attempts at thermostatic reset do

not result in ignition, a manual reset button on the

ignitor module will actuate, preventing further

recycling.

In normal operation, as soon as flame is estab-

lished and proven by the flame sensing circuitry,

sparking will cease immediately and the system

will remain "on", monitoring the flame until the

end of the duty cycle.

Should a flame-out occur during the duty cycle,

the system will reactivate the spark with 0.8

seconds, to provide for re-ignition. The flame will

either be re-established within the "trial-for-

ignition" time, or the system will lock-out in the

normal manner. Should lock-out occur, reset

action (manual or thermostatic) must be taken

Manual Reset

The manual reset feature, available on models

designated 05-140X01-00X requires manual

resetting of the system in the event of lock-out.

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FENWAL-SERIES 05-14

Fan and Heater

certain that the remaining system wiring is

complete.

Operation continued

This manual reset button can be located on the

ignitor board or remotely on a control panel.

(Consult factory for remove mounting agency

approvals). Should the flame not be established

during the trial for ignition period, the system will

lock-out. Should flame-out occur any time during

the duty cycle, the system will retry for ignition,

one time, and then lock-out. The manual reset

button will then trip within several seconds. After 5

second, depress the reset button to reset the control

module.

With the gas supply m;anually shut off,

cycle the thermostat to operate the control

module. Insure that steady sparking occurs

at electrode tips. Sparking should not

occur elsewhere.

Cycle thermostat to OFF position or

depress reset button and manually restore

gas supply.

Cycle thermostat on ON position noting

that sparking occurs immediately and that

the flame is established within a period of

no more than four seconds. Once the

flame is established, sparking will cease.

Flame Sensing

The Series 05-14 ignitor is designed to operate with

a single electrode assembly, which provides the

spark and senses the presence of flame. See Figure

3 Aor B. Remote sensing models, however, allow

for the flame sensing function to be separated from

the spark function and located remotely. See Figure

3C or D. Utilization of remote sensing insures

flame propagation across and entire burner pack.

If ignition is achieved within four seconds

and sparking terminates immediately after

flame is established, you have a

functionaaly sound installation. However,

should these requisites not be met, consult

the "System Checks" section on page 4 for

remedial recommendations.

Electrode Application

(Burner Manufacturer only)

NOTE: Electrode assemblies are presision components and

should not be adjusted or disassembled. Electrodes should

have a gap spacing of 0.125"=0.031". If this spacing is not

correct, return the electrode assembly to the factory for

replacement. Electrodes are NOT field adjustable.

Manually ignite burner flame to observe

flame characteristics.

Temporarily mount electrode directly over

burner parts in blue part of flame pattern.

Electrode tips should be 1/4 to 1/2-inch

above parts. Mount electrodes so that both

tips are immersed approximately 1/2-inch

into the flame with 1/8-inch spark gap

directly over a port. See Figure 1.

Specifications

Control Board

Comments

05-14X201-00X: 120VAC valve relay, local sensing

05-14X301-00X: Isolated valve contacts, local

sensing

05-14X401-00X: 120VAC valve relay, remote

sensing

05-14X501-00X: Isolated valve contacts, remote

sensing

X (Fifth Digit) 0=Manual Reset

2=Thermostat Reset

Input Voltage: 120VAC, 60Hz, nominal

Current Drain: 50mA (175mA to 250mA momen-

tarily during ignition).

Figure 1

Ambient: -40°F to 140°F, operating

Connect the electrode lead wires to the

control module. See Figure 3. Make

continued to page 72

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FENWAL-SERIES 05-14

Fan and Heater

sure they conform to both U.L. and local codes.

Control Board

Comments

Gas Valve Relay

Current Ratings:

A) 05-14X201-00X Common relay output

05-14X401-00X 120VAC 1 amp

B) 05-14X301-00X Isolated valve contacts

NOTE:High voltage lead wire should be routed at

least 1 inch from metal piping or metal frames.

Do not wrap or bundle any wires with or against

the high-voltage lead wire.

05-14X501-00X 1) 24VAC 2amps

CAUTION: HIGH VOLTAGE

2) 120VAC 1amps

3) 240VAC 0.5amps

Timing

NOTE: Although epoxy coated to insure proper

operation at 90% relative humidity, good electrical

practice should be followed. Insure the control is

mounted so that total water immersion will not

result. If such a condition occurs, unit should be

cycled to the OFF position and inspected by a

qualified service person before recycling.

(Trial -for-Ignition)

-000: 3.3 seconds

-001: 4.7 seconds

-005: 10 seconds

Electrodes

05-100000-XXX*: Gap 0.125" = 0.031"

22-100000-XXX*:

*Last three digits designate configuration

Lead Wire

05-125978-0XX**: High Voltage

05-125979-0XX**: Low Voltage

Warning: Do not apply power to imput terminals

unless electrode is properly connected and

grounded or damage to the unit may result.

System Checks

CAUTION: If ambient temperature ratings are

exceeded, damage to the unit and/or improper

operation may result.

** Last Two digits designate length of wire in

inches. EX: -024 = 24 inches. When ordering,

Preliminary System Checks

It is desireable to checks the system after installa-

tion and before gas supply is turned on.

Be sure that the input is polarized as shown on

wiring diagrams and the installation is electrically

grounded. Cabinet, electrode and burner must

have a common ground. Connect as shown in

proper diagram in Figure 3, page 73.

specify length required.

Wiring

IMPORTANT: The model number of each

Fenwal Spark Ignition Module is stamped on a lable

attached to the high voltage transformer. Select the

electrical ciruit diagram in Figure 3 which matches

the model number on the high voltage transformer

and wire the unit accordingly.

Polarity Check

With voltmeter or indicator light,

measure from Terminal A (L1) to ground.

Voltage should be 120V.

Measured from L2 to ground. Voltage

should be "0".

If 1 and 2 above are opposite, reverse

NOTE: The burner and the 120V suppy (NEUT-

L2) must be grounded to obtain satisfactory opera-

tion. Failure to do so will prevent ignition from

lasting beyond the trial for ignition period.

input leads to insure correct polarity.

Initial Operation

Fenwal Gas Ignitors are provded with 1/4" male

quick connect terminals (ARK-LES Part No. 300

H19A or recommended equivalent should be used

for all connections.) When making connections, be

Check installation, mounting and elec

trode gap to insure conformance to

specifications.

continued on page 74

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FENWAL-SERIES 05-14

Fan and Heater

Figure 2

Figure 3

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FENWAL-SERIES 05-14

Fan and Heater

Manually shut off the gas supply and

With the gas supply shut off, apply electri-

cal power to the system by closing the

control switch or by advancing the thermo-

stat.

apply power to the control board. After

the "trial-for-ignition" period has elapsed,

check that there is no voltage output

between terminals B(V1) and V2, using a

suitable voltmeter or neon tester.

Check to insure that sparking occurs at the

electrode tiops and across the 1/8" gap

during the "trail-for-ignition" period speci-

fied for the unit. (See Specifications.)

Manually open the gas supply line and re-

activate control unit. Sparking should

occur and immediately cease when the

flame is established. While running,

manually close the gas supply. Sparking

should promptly reappear when the flame

is extinguished. The spark should remain

on for the "trial-for-ignition" period and

the lock-out. Check that there is no

05-142 thermostate reset models will lock-

out after the "trial-for-ignition" period and a

few seconds later will trip the circuit

breaker.

Manually open the gas supply line and

either cycle the thermostat or depress the

voltage output betweeen terminals B(V1)

and V2 described in section 1 above.

manual reset button to recycle the unit.

NOTE: Recyle system before each test by cycling

the thermostate or depressing the manual reset

button.

Check that ignition has been accomplished

within "trial-for-ignition" period. Sparking

will cease immediately after ignition.

If system ignites but fails to hold-in, check

input voltage and polarity and check to

assure that L2 line is grounded. If system

ignites but drops-out and input voltage is

correct, check level of flame current (5mi-

cro Amps minimum). check burner for

proper ground.

Repair and Replacements

Warnings

The Fenwal 05-14 ignition system is not

field repairable. Any alteration or modifi

cation may result in fire, explosion, toxic

hazards, proerty damage, personal injury

or death. Consult you local Fenway

Authorized Heating Wholesaler for

replacement ignition system.

Safety Checks

Use caution to avoid miswiring a replace

ment controller. It is recommended to

remove one wire at a time from the

defective unit and reconnect it tot the

corresponding terminal of the new con

trol. Misconnection can result in condi

An annual imspection and test, conducted prior to the

start of the heating season by qualified gas service

personnel, is required to verify that the automatic gas

ignition system, all associated components (i.e., fand

limit switchs), and the appliance combustion cham-

ber components operate according to the

manufacturer's specifications. Components that have

been physically damaged or that otherwise to per-

form their function according to specifications must

be replaced immediately to avoid creating fire,

explosive, and/or toxic hazards that can result

inproperty damage, personal injury or even death.

Test the control as follows:

tions hazardous to life and property.

3. The Fenwal 05-14 Direct Spark Ignition

System is desinged for use only on new

productrs by manufacturers of gas fired

equipment. It may be used only as such,

or as a replacement for an existing

Fenwal Spark Ignition with the same catalog

number. Any substitution or applications

must be expressly approved by Fjenwal or

the manufacturer of the equipemnt.

Improper substitutions or aapplications

may result in malfunction of equipemnt

such as loss of flame sensing safety circuit

creating an explosive atmosphere.

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WARRANTY/SERVICE NOTES

Fan And Heater

Limited Warranty Statement

Fenwal Incorporated represents that this product is free from defects in material and workmanship, and it

will repaid or replace any product or part therof which proves to be defective in workmanship or material

for a period of 18 monthls after delivery of the prodect to the buyer. For a full description fo Fenwal's

Limited Warranty, which, amoung other things, limits the duration of the warranties of Merchantability

and Fitness for a Particular Purpose and Excludes liability for Consequential Damages, please read the

entire Limited Warranty on the Fenwal Quotation, Acceptance of Order and/or Original Invoice which

will become a part of your sales agreement. Defective units should be returned to the factory, Ashland

Massachusetts, shipment prepaid. Fenwal Incorporated will repaid or replace and ship repaid.

FENWALINCORPORATEDDivisionofKiddeInc.

KIDDE

400 Main Street Ashland, Massachusetts 01721 (617) 881-2000

5.14.1 25M 11/86 Printed in U.S.A.

W.W. GRAINGER. INC. Distribution Group 5959 W. Howard St. Chicago, IL 60648

OBSERVE ALL SAFETY PRECAUTIONS DURING SERVICING. CONSULT OPERATING INSTRUCITONS AND PARTS MANUAL

Problem:

Solution:

My motor runs hot. When I touch it, it burns my hand. Is that normal?

Yes, a normall operating motor's surface temperature will be about 90°F

(50°C surface rise) to 126°F (70°C surface rise) above room temperature.

If the room temperature is 62°F, then the normal motor operating surface

temperature will be betwwen 152°F to 188°F: this is hot enough to burn

skin, but yet the motor is operating normally.

Twisto Says-

These instructions and diagrams have been checked for suitability. However, a successful solution depends upon individual

accuracy, skill and caution. For this reason, W.W. Grainger, Inc. cannot guarantee the result of the procedure, or assume the

responsibilisty for personal injury or property damage to persons using this procedure.

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MOTOR CAPACITOR CHART

Fan And Heater

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Fan And Heater

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1004 E. Illinois St.

Assumption, IL 62510

Phone 217-226-4421

Fax 217-226-4498

February 2000

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