Friedrich Air Conditioner KM21J30 User Manual

1998  
QuietMaster® J Series  
KS10J10  
KS12J10  
KS12J30A  
KM18J30A  
KM21J30  
KL25J30  
Service & Parts  
Manual  
AMERICA’S BEST AIR CONDITIONER  
RAC-K (1/98)  
Page 1  
FRIEDRICH ROOM MODEL NUMBER CODE  
K
S
10  
G
1
0
D
1st DIGIT - FUNCTION  
S = Straight Cool, Value Series  
C = Straight Cool, Budget Series  
Y = Heat Pump  
E = Electric Strip  
K = Straight Cool, Challenger or QuietMaster Series  
W =Thru-The-Wall, WallMaster Series  
2nd DIGIT - TYPE  
C = Casement  
P = PowerMiser “Portable”  
Q = QStar, KStar orYQ TwinTemp  
S = Small Chassis  
M = Medium Chassis  
L = Large Chassis  
W = Built-In  
H = Hazardgard  
3rd & 4th DIGITS - APPROXIMATE BTU/HR (Cooling)  
Heating BTU/HR capacity listed in Specifications/Performance Data Section  
5th DIGIT - ALPHABETICAL MODIFIER  
6th DIGIT - VOLTAGE  
1 = 115 Volts  
2 = 230 Volts  
3 = 230-208 Volts  
7th DIGIT  
0 = Straight Cool & Heat Pump Models  
ELECTRIC HEAT MODELS  
1 = 1 KW Heat Strip, Nominal  
3 = 3 KW Heat Strip, Nominal  
4 = 4 KW Heat Strip, Nominal  
5 = 5 KW Heat Strip, Nominal  
8 = 8 KW Heat Strip, Nominal  
8th DIGIT  
Major Change  
Page 3  
APPLICATION AND SIZING  
In the application and sizing of room air conditioners for cooling, it is most important to give full consideration to all  
factors which may contribute to the heat loss or gain of the space to be conditioned.It is therefore necessary to make  
a survey of the space to be conditioned and calculate the load requirements before a selection of the size of the  
equipment needed can be made.  
The load requirement may be determined very easily by simply using the standard “AHAM” Load Calculating Form,  
on Page 6.This form is very easy to use and is self explanatory throughout. It is necessary only to insert the proper  
measurements on the lines provided and multiply by the given factors, then add the result for the total load require-  
ments.  
Cooling load requirements are generally based on the cooling load for comfortable air conditioning which does not  
require specific conditions of inside temperature and humidity.The load calculation form is based on outside design  
temperature of 95° FDB and 75° FWB. It can be used for areas in the Continental United States having other outside  
design temperatures by applying a correction factor for the particular locality as determined from the map shown on  
Page 6.  
When sizing a TwinTemp unit for cooling and heating, we must remember that the heating capacity of any given unit  
varies directly with the outdoor ambient temperature.Also, we must keep in mind the average low temperatures which  
might be experienced in the locality where the unit is to be installed. Therefore, when sizing a TwinTemp unit, both  
cooling and heating requirements must be calculated. Do not oversize, or undersize, one phase of the unit’s capacity  
at the expense of the other. In those cases where the unit will provide satisfactory cooling at all times but will be  
inadequate for those few times that the outdoor temperature is below the maximum low for the unit, additional auxil-  
iary heating facilities must be provided to insure that adequate heat is available at all times.  
Page 4  
INSTRUCTIONS FOR USING COOLING LOAD ESTIMATE  
FORM FOR ROOM AIR CONDITIONERS  
(AHAM PUB. NO. RAC-1)  
A. This cooling load estimate form is suitable for estimating the cooling load for comfort air conditioning installations  
which do not require specific conditions of inside temperature and humidity.  
B. The form is based on an outside design temperature of 95°F dry bulb and 75°F wet bulb.It can be used for areas  
in the continental United States having other outside design temperatures by applying a correction factor for the  
particular locality as determined from the map.  
C. The form includesdayfactors for calculating cooling loads in rooms where daytime comfort is desired (such as  
living rooms, offices, etc.)  
D. The numbers of the following paragraphs refer to the corresponding numbered item on the form:  
1. Multiply the square feet of window area for each exposure by the applicable factor.The window area is the  
area of the wall opening in which the window is installed.For windows shaded by inside shades or venetian  
blinds, use the factor for “Inside Shades.” For windows shaded by outside awnings or by both outside  
awnings and inside shades (or venetian blinds), use the factor for “Outside Awnings. Single Glass” in-  
cludes all types of single thickness windows, and “Double Glass” includes sealed airspace types, storm  
windows, and glass block.Only one number should be entered in the right hand column for Item 1, and this  
number should represent only the exposure with the largest load.  
2. Multiply the total square feet of all windows in the room by the applicable factor.  
3a. Multiply the total length (linear feet) of all walls exposed to the outside by the applicable factor.Doors should  
be considered as being part of the wall. Outside walls facing due north should be calculated separately  
from outside walls facing other directions. Walls which are permanently shaded by adjacent structures  
should be considered “North Exposure.Do not consider trees and shrubbery as providing permanent  
shading. An uninsulated frame wall or a masonry wall 8 inches or less in thickness is considered “Light  
Construction.An insulated wall or masonry wall over 8 inches in thickness is consideredHeavy Construc-  
tion.”  
3b. Multiply the total length (linear feet) of all inside walls between the space to be conditioned and any uncon-  
ditioned spaces by the given factor.Do not include inside walls which separate other air conditioned rooms.  
4. Multiply the total square feet of roof or ceiling area by the factor given for the type of construction most  
nearly describing the particular application (use one line only.)  
5. Multiply the total square feet of floor area by the factor given.Disregard this item if the floor is directly on the  
ground or over a basement.  
6. Multiply the number of people who normally occupy the space to be air conditioned by the factor given.Use  
a minimum of 2 people.  
7. Determine the total number of watts for light and electrical equipment, except the air conditioner itself, that  
will be in use when the room air conditioning is operating. Multiply the total wattage by the factor given.  
8. Multiply the total width (linear feet) of any doors or arches which are continually open to an unconditioned  
space by the applicable factor.  
NOTE: Where the width of the doors or arches is more than 5 feet, the actual load may exceed the  
calculated value.In such cases, both adjoining rooms should be considered as a single large room, and the  
room air conditioner unit or units should be selected according to a calculation made on this new basis.  
9. Total the loads estimated for the foregoing 8 items.  
10. Multiply the subtotal obtained in item 9 by the proper correction factor, selected from the map, for the  
particular locality.The result is the total estimated design cooling load in BTU per hour.  
E. For best results, a room air conditioner unit or units having a cooling capacity rating (determined in accordance  
with the NEMA Standards Publication for Room Air Conditioners, CN 1-1960) as close as possible to the esti-  
mated load should be selected. In general, a greatly oversized unit which would operate intermittently will be  
much less satisfactory than one which is slightly undersized and which would operate more nearly continuously.  
F.  
Intermittent loads such as kitchen and laundry equipment are not included in this form.  
Page 5  
COOLING LOAD ESTIMATE FORM  
Page 6  
SPECIFICATIONS  
KS10J10  
KS12J10 KS12J30A KM18J30A  
KM21J30  
KL25J30A  
BTUH  
12500  
12500  
18000  
18000  
21000  
20500  
25000  
24700  
10000  
12000  
E.E.R.  
10.0  
10.0  
9.6  
9.6  
9.0  
9.0  
8.3  
8.2  
10.3  
115  
9.1  
9.5  
115  
10.8  
Volts  
230  
208  
230  
208  
230  
208  
230  
208  
Amperes  
Total Watts  
5.8  
6.2  
8.3  
9.1  
10.5  
11.3  
13.5  
15.0  
1250  
1250  
1875  
1875  
2335  
2280  
3010  
3010  
970  
60  
1265  
60  
Hertz  
60  
15  
60  
15  
60  
15  
60  
20  
Fuse/Breaker Size  
15  
15  
Fan RPM  
1115  
325  
1080  
325  
1180  
325  
1120  
440  
1120  
535  
1120  
610  
Evaporator Air CFM  
Fresh Air CFM  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Exhaust Air CFM  
Dehumidification Pts/HR  
Width  
2.8  
3.5  
3.5  
5.5  
6.3  
7.6  
28"  
25-15/16"  
25-15/16"  
25-15/16"  
25-15/16"  
25-15/16"  
Height  
Depth  
15-15/16"  
27-3/8"  
15-15/16"  
27-3/8"  
15-15/16"  
27-3/8"  
17-15/16"  
27-3/8"  
17-15/16"  
27-3/8"  
20-3/16"  
33-5/8"  
Minimum Ext. Into Room  
Minimum Ext. to Outside  
3-1/16"  
3-1/16"  
3-1/16"  
3-1/16"  
3-3/16"  
3-3/16"  
16-15/16"  
16-15/16"  
16-15/16"  
16-15/16"  
16-15/16"  
18-15/16"  
Net Weight  
108  
118  
111  
121  
111  
121  
136  
148  
183  
203  
190  
210  
ShippingWeight  
PERFORMANCE  
DATA*  
EVAPORATOR AIR  
TEMP. °F.  
OPERATING  
PRESSURES  
ELECTRICAL  
RATINGS  
R-22  
COMP.  
OIL  
REFRIG.  
Cooling  
DISCHARGE  
TEMP.  
SUCTION  
DISCHARGE AMPS  
LOCKED  
CHARGE IN  
OZ.  
CHARGE IN  
FLUID OZ.  
AIR  
DROP °F  
ROTOR AMPS  
KS10J10  
KS12J10  
KS12J30A  
KM18J30A  
KM21J30  
KL25J30A  
61.0  
57.0  
57.0  
56.0  
56.0  
55.0  
19.0  
23.0  
23.0  
24.0  
24.0  
25.0  
79.0  
78.0  
79.0  
73.0  
75.0  
68.5  
269  
288  
293  
262  
260  
300  
9.1  
48.3  
54.0  
26.3  
42.0  
56.0  
71.0  
21.0  
25.0  
26.0  
46.0  
46.0  
34.0  
11.8  
11.8  
11.8  
13.9  
32.0  
32.0  
10.8  
5.8  
6.2  
8.3  
9.1  
10.5  
11.3  
13.5  
15.0  
* Rating Conditions:  
80°F. Room Air Temperature and 50% Relative Humidity with  
95°F. Outside Air Temperature at 40% Relative Humidity.  
Page 7  
GROUND TEST  
COMPONENTS OPERATION & TESTING  
Use an ohmmeter set on its highest scale. Touch one  
lead to the compressor body (clean point of contact as  
a good connection is a must) and the other probe in  
turn to each compressor terminal (see Figure 2.) If a  
reading is obtained, the compressor is grounded and  
must be replaced.  
WARNING  
DISCONNECT ELECTRICAL POWER TO  
UNIT BEFORE SERVICING OR TESTING  
COMPRESSORS  
Figure 2: Typical Ground Test  
Compressors are single phase, 15 or 230/208 volt, de-  
pending on the model unit. All compressor motors are  
permanent split capacitor type using only a running ca-  
pacitor across the start and run terminal.  
All compressors are internally spring mounted and ex-  
ternally mounted on rubber isolators.  
COMPRESSOR WINDING TEST (See Figure 1)  
Remove compressor terminal box cover and disconnect  
wires from terminals. Using an ohmmeter, check conti-  
nuity across the following:  
1. Terminal “C” and “S” - no continuity - open wind-  
ing - replace compressor.  
CHECKING COMPRESSOR EFFICIENCY  
2. Terminal “C” and “R” - no continuity - open wind-  
ing - replace compressor.  
The reason for compressor inefficiency is normally due  
to broken or damaged suction and/or discharge valves,  
reducing the ability of the compressor to pump refriger-  
ant gas.  
3. Terminal “R” and “S” - no continuity - open wind-  
ing - replace compressor.  
This condition can be checked as follows:  
1. Install a piercing valve on the suction and dis-  
charge or liquid process tube.  
Figure 1: Compressor Winding Test  
2. Attach gauges to the high and low sides of the  
system.  
3. Start the system and run a “cooling or heating  
performance test.”  
If test shows:  
A. Below normal high side pressure.  
B. Above normal low side pressure.  
C. Low temperature difference across coil.  
The compressor valves are faulty - replace the  
compressor.  
THERMAL OVERLOAD (External)  
Some compressors are equipped with an external over-  
load which is located in the compressor terminal box  
adjacent to the compressor body (see Figure 3.)  
Page 8  
The overload is wired in series with the common motor  
terminal.The overload senses both major amperage and  
compressor temperature. High motor temperature or  
amperage heats the disc causing it to open and break  
the circuit to the common motor terminal.  
Should the internal temperature and/or current draw be-  
come excessive, the contacts in the overload will open,  
turning off the compressor. The overload will automati-  
cally reset, but may require several hours before the heat  
is dissipated.  
CHECKING THE INTERNAL OVERLOAD  
(see Figure 4.)  
Figure 3: External Overload  
Figure 4  
Heat generated within the compressor shell is usually  
due to:  
1. With no power to unit, remove the leads from the  
compressor terminals.  
1. High amperage.  
2. Using an ohmmeter, test continuity between ter-  
minals C-S and C-R. If not continuous, the com-  
pressor overload is open and the compressor must  
be replaced.  
2. Low refrigerant charge.  
3. Frequent recycling.  
4. Dirty condenser.  
FAN MOTOR  
A single phase permanent split capacitor motor is used  
to drive the evaporator blower and condenser fan.  
A self-resetting overload is located inside the mo-  
tor to protect against high temperature and high  
amperage conditions.  
THERMAL OVERLOAD - TEST  
(Compressor - External Type)  
1. Remove overload.  
FAN MOTOR - TEST  
2. Allow time for overload to reset before attempting  
to test.  
1. Determine that capacitor is serviceable.  
3. Apply ohmmeter probes to terminals on overload  
wires.There should be continuity through the over-  
load.  
2. Disconnect fan motor wires from fan speed switch  
or system switch.  
3. Apply“livetest cord probes on black wire and com-  
mon terminal of capacitor.Motor should run at high  
speed.  
TERMINAL OVERLOAD (Internal)  
Some model compressors are equipped with an inter-  
nal overload. The overload is embedded in the motor  
windings to sense the winding temperature and/or cur-  
rent draw.The overload is connected in series with the  
common motor terminal.  
4. Apply “live” test cord probes on red wire and com-  
mon terminal of capacitor. Motor should run at low  
speed.  
Page 9  
CAPACITOR - TEST  
Figure 5: Fan Motor  
1. Remove capacitor from unit.  
2. Check for visual damage such as bulges, cracks,  
or leaks.  
3. For dual rated, apply an ohmmeter lead to com-  
mon (C) terminal and the other probe to the com-  
pressor (HERM) terminal.A satisfactory capacitor  
will cause a deflection on the pointer, then gradu-  
ally move back to infinity.  
4. Reverse the leads of the probe and momentarily  
touch the capacitor terminals.The deflection of the  
pointer should be two times that of the first check if  
the capacitor is good.  
5. Apply “live” test cord probes on each of the re-  
maining wires from the speed switch or system  
switch to test intermediate speeds.  
5. Repeat steps 3 and 4 to check fan motor capaci-  
tor.  
NOTE: A shorted capacitor will indicate a low resis-  
tance and the pointer will move to the “0” end of  
the scale and remain there as long as the probes  
are connected.  
CAPACITOR, RUN  
A run capacitor is wired across the auxiliary and main  
winding of a single phase permanent split capacitor  
motor such as the compressor and fan motor. A single  
capacitor can be used for each motor or a dual rated  
capacitor can be used for both.  
An open capacitor will show no movement of the  
pointer when placed across the terminals of the  
capacitor.  
SYSTEM CONTROL SWITCH  
The capacitor’s primary function is to reduce the line  
current while greatly improving the torque characteris-  
tics of a motor.The capacitor also reduces the line cur-  
rent to the motor by improving the power factor of the  
load.The line side of the capacitor is marked with a red  
dot and is wired to the line side of the circuit (see Figure  
6.)  
A five position control switch is used to regulate the op-  
eration of the fan motor and compressor.The compres-  
sor can be operated with the fan operating at low, me-  
dium or high speed.The fan motor can also be operated  
independently on medium speed.See switch section as  
indicated on decorative control panel (see Figure 7.)  
SYSTEM CONTROL SWITCH - TEST  
Figure 6: Run Capacitor Hook-Up  
Disconnect leads from control switch (see Figure 8.)  
There must be continuity as follows:  
1. “Off” Position - no continuity between terminals.  
2. “Lo CoolPosition - between terminalsL1” andC”,  
“LO” and “MS”.  
3. “Med Cool” Position - between terminals “L1” and  
“C”, “M” and “MS”.  
4. “Hi Cool” Position - between terminalsL1” andC”,  
“H” andMS”.  
5. “Fan Only” Position - between terminals “L1” and  
“2”.  
Page 10  
to supply a small amount of heat to the bulb area to  
prevent longoff cycles” in theCool-Fan Auto” (Money-  
Saver) position (see Figure 10.) A current feedback  
through the fan motor windings during “off cycle” com-  
pletes the circuit to the resistor.  
Figure 7: System Control Panel  
RANGE:  
Cooling ModelThermostat  
(Part No. 618-225-00)  
60°F (± 2°) to 92°F (± 4°),  
TEST:  
Remove wires from thermostat. Turn the thermostat to  
its coldest position. Check to see if there is continuity  
between the two terminals. Turn the thermostat to its  
warmest position. Check continuity to see if thermostat  
contacts open.NOTE: Temperature must be within range  
listed to check thermostat. Refer to the troubleshooting  
section in this manual for additional information on ther-  
mostat testing.  
Figure 9:Thermostat  
Figure 8: System Control Switch  
THERMOSTAT  
(Figure 9)  
THERMOSTAT ADJUSTMENT  
A cross ambient thermostat is used on all standard chas-  
sis units. In addition to cycling the unit in a heating or  
cooling operation, the thermostat will terminate the cool-  
ing cycle in the event ice forms on the evaporator coil, in  
this case the thermostat functions as a de-ice control.  
A resistor (anticipator) is positioned within a plastic block  
No attempt should be made to adjust thermostat. Due  
to the sensitivity of the internal mechanism and the so-  
phisticated equipment required to check the calibration,  
it is suggested that the thermostat be replaced rather  
than calibrated.  
Page 11  
RESISTOR  
(Heat Anticipator)  
FIGURE 11 ROCKER SWITCH  
Failure of the resistor will cause prolonged“off” andon”  
cycles of the unit. When replacing a resistor, be sure  
and use the exact replacement. Resistor ratings are as  
follows:  
115 Volt - 5,000 ohms 3 watt  
230 Volt - 20,000 ohms 3 watt  
Figure 10 RESISTOR  
MONEYSAVER® SWITCH  
SEALED REFRIGERATION SYSTEM REPAIRS  
EQUIPMENT REQUIRED  
1. Voltmeter  
(Rocker Switch) - (See Figure 11)  
This rocker switch can be depressed to either YES or  
NO. In the YES position you will get the most economi-  
cal operation.Both the fan and compressor will cycle on  
and off together, maintaining the selected temperature  
at a more constant level and reducing the humidity more  
efficiently.This control will only operate when the unit is  
in a cooling mode. In the NO position, the fan will run  
constantly as long as the unit is in the cooling mode.  
2. Ammeter  
3. Ohmmeter  
4. E.P.A. Approved Refrigerant Recovery System.  
5. Vacuum Pump (capable of 200 microns or less  
vacuum.)  
TEST:  
Disconnect leads from switch. Depress switch to func-  
tion being tested.  
6. AcetyleneWelder  
7. Electronic Halogen Leak Detector (G.E. Type H-6  
or equivalent.)  
1. WhenYES is depressed, there should be continu-  
ity between terminals “1” and “2”.  
8. Accurate refrigerant charge measuring device such  
as:  
2. When NO is depressed, there should be continu-  
ity between terminals “2” and “3”.  
Page 12  
a. Balance Scales - 1/2 oz. accuracy  
b. Charging Board - 1/2 oz. accuracy  
9. High Pressure Gauge - (0 - 400 lbs.)  
10. Low Pressure Gauge - (30 - 150 lbs.)  
11. Vacuum Gauge - (0 - 1000 microns)  
EQUIPMENT MUST BE CAPABLE OF:  
1. Recovering CFCs as low as 5%.  
7. Leak test complete system with electric halogen  
leak detector, correcting any leaks found.  
8. Reduce the system to zero gauge pressure.  
9. Connect vacuum pump to high side and low side  
of system with deep vacuum hoses, or copper  
tubing. (Do not use regular hoses.)  
10. Evacuate system to maximum absolute holding  
pressure of 200 microns or less.NOTE: This pro-  
cess can be speeded up by use of heat lamps, or  
by breaking the vacuum with refrigerant or dry  
nitrogen at 5,000 microns. Pressure system to 5  
PSIG and leave in system a minimum of 10 min-  
utes.Recover refrigerant, and proceed with evacu-  
ation of a pressure of 200 microns or a minimum  
of 10 %.  
2. Evacuation from both the high side and low side of  
the system simultaneously.  
3. Introducing refrigerant charge into high side of the  
system.  
11. Break vacuum by charging system from the high  
side with the correct amount of refrigerant speci-  
fied.This will prevent boiling the oil out of the crank-  
case.  
4. Accurately weighing the refrigerant charge actually  
introduced into the system.  
5. Facilities for flowing nitrogen through refrigeration  
tubing during all brazing processes.  
NOTE: If the entire charge will not enter the high  
side, allow the remainder to enter the low side in  
small increments while operating the unit.  
HERMETIC COMPONENT REPLACEMENT  
12. Restart unit several times after allowing pressures  
to stabilize. Pinch off process tubes, cut and sol-  
der the ends. Remove pinch off tool, and leak  
check the process tube ends.  
The following procedure applies when replacing compo-  
nents in the sealed refrigeration circuit or repairing re-  
frigerant leaks.(Compressor, condenser, evaporator, cap-  
illary tube, refrigerant leaks, etc.)  
1. Recover the refrigerant from the system at the pro-  
cess tube located on the high side of the system by  
installing a line tap on the process tube.Apply gauge  
from process tube to EPA approved gauges from  
process tube to EPA approved recovery system.  
Recover CFCs in system to at least 5%.  
SPECIAL PROCEDURE IN THE CASE OF  
MOTOR COMPRESSOR BURNOUT  
1. Recover all refrigerant and oil from the system.  
2. Remove compressor, capillary tube and filter drier  
from the system.  
2. Cut the process tube below pinch off on the suc-  
tion side of the compressor.  
3. Flush evaporator condenser and all connecting  
tubing with dry nitrogen or equivalent, to remove  
all contamination from system. Inspect suction and  
discharge line for carbon deposits. Remove and  
clean if necessary.  
3. Connect the line from the nitrogen tank to the suc-  
tion process tube.  
4. Drift dry nitrogen through the system and unsolder  
the more distant connection first. (Filter drier, high  
side process tube, etc.)  
4. Reassemble the system, including new drier  
strainer and capillary tube.  
5. Replace inoperative component, and always install  
a new filter drier.Drift dry nitrogen through the sys-  
tem when making these connections.  
5. Proceed with processing as outlined under her-  
metic component replacement.  
6. Pressurize system to 30 PSIG with proper refriger-  
ant and boost refrigerant pressure to 150 PSIG with  
dry nitrogen.  
Page 13  
ROTARY COMPRESSOR SPECIAL  
TROUBLESHOOTING AND SERVICE  
Basically, troubleshooting and servicing rotary compres-  
sors is the same as on the reciprocating compressor  
with only a few exceptions.  
1. Because of the spinning motion of the rotary, the  
mounts are critical. If vibration is present, check  
the mounts carefully.  
2. The electrical terminals on the rotary are in a dif-  
ferent order than the reciprocating compressors.  
The terminal markings are on the cover gasket.  
Use your wiring diagram to insure correct con-  
nections.  
REFRIGERANT CHARGE  
1. The refrigerant charge is extremely critical. Mea-  
sure charge carefully - as exact as possible to the  
nameplate charge.  
2. The correct method for charging the rotary is to  
introduce liquid refrigerant into the high side of  
the system with the unit off.Then start compres-  
sor and enter the balance of the charge, gas only,  
into the low side.  
The introduction of liquid into the low side, with-  
out the use of a capillary tube, will cause damage  
to the discharge valve of the rotary compressor.  
NOTE: All inoperative compressors returned to  
Friedrich must have all lines properly plugged with  
the plugs from the replacement compressor.  
Page 14  
Troubleshooting Cooling  
PROBLEM  
POSSIBLE CAUSE  
TO CORRECT  
Low voltage.  
Check for voltage at compressor. 1115 volt and 230 volt  
units will operate at 10% voltage variance.  
Set thermostat to coldest position. Test thermostat and  
replace if inoperative.  
Hard start compressor. Direct test compressor. If com-  
pressor starts, add starting components.  
Check for continuity and resistance.  
Thermostat not set cold  
enough or inoperative.  
Compressor hums but cuts off  
on overload.  
Open or shorted compressor  
windings.  
Compressor does not  
run.  
Open overload.  
Test overload protector and replace if inoperative.  
Open capacitor.  
Test capacitor and replace if inoperative.  
Inoperative system switch.  
Broken, loose or incorrect  
wiring.  
Test for continuity in all positions. Replace if inoperative.  
Refer to appropriate wiring diagram to check wiring.  
PROBLEM  
POSSIBLE CAUSE  
TO CORRECT  
Inoperative system switch.  
Broken, loose or incorrect  
wiring.  
Open capacitor.  
Fan speed switch open.  
Inoperative fan motor.  
Test switch and replace if inoperative.  
Refer to applicable wiring diagram.  
Fan motor does not  
run.  
Test capacitor and replace if inoperative.  
Test switch and replace if inoperative.  
Test fan motor and replace if inoperative (be sure internal  
overload has had time to reset).  
PROBLEM  
POSSIBLE CAUSE  
TO CORRECT  
Undersized unit.  
Refer to Sizing Charts.  
Thermostat open or inopera-  
tive.  
Set to coldest position. Test thermostat and replace if  
necessary.  
Dirty filter  
Dirty or plugged condenser or  
evaporator coil.  
Clean as recommended in the Owner's Manual.  
Use steam or detergents to clean.  
Does not cool, or  
cools only slightly.  
Pool air circulation in area  
being cooled.  
Adjust discharge air louvers. Use high fan speed.  
Close doors. Instruct customer on use of this feature.  
Fresh air or exhaust air door  
open on applicable models.  
Low capacity - undercharge.  
Compressor not pumping  
properly.  
Clean for leak and make repair.  
Check amperage draw against nameplate. If not conclu-  
sive, make pressure test.  
Page 15  
PROBLEM  
POSSIBLE CAUSE  
TO CORRECT  
Fuse blown or circuit tripped.  
Replace fuse, reset breaker. If repeats, check fuse or  
breaker size. Check for shorts in unit wiring and compo-  
nents  
Unit does not run.  
Power cord not plugged in.  
System switch in "Off" position.  
Inoperative system switch.  
Loose or disconnected wiring at  
switch or other components  
Plug in power cord  
Set switch correctly.  
Test for continuity in each switch position.  
Check wiring and connections. Reconnect per wiring  
diagram.  
PROBLEM  
POSSIBLE CAUSE  
TO CORRECT  
Dirty filter.  
Clean as recommended in Owener's Manual.  
Check for dirty or obstructed coil - clean as required.  
Test for shorted thermostat or stuck contacts.  
De-ice coil and check for leak.  
Test fan motor and replace if inoperative.  
De-ice coil. Check temperature differential across coil.  
Touch test coil return bends for same temperature. Test for  
low running current.  
Restricted air flow.  
Inoperative thermostat.  
Short of refrigerant.  
Inoperative fan motor.  
Partially restricted capillary.  
Evaporator coil  
freezes up.  
PROBLEM  
POSSIBLE CAUSE  
TO CORRECT  
Excessive heat load.  
Unit undersized. Test cooling performance of unit. Re-  
place with larger unit.  
Restriction in line.  
Refrigerant leak.  
Check for partially iced coil. Check temperature split  
across coil.  
Check for oil at silver soldered connections. Check for  
partially iced coil. Check split across coil. Check for low  
running amperage.  
Compressor runs  
continually. Does not  
cycle off.  
Thermostat contacts stuck.  
Thermostat incorrectly wired.  
Check operation of thermostat. Replace if contacts remain  
closed.  
Refer to appropriate wiring diagram.  
PROBLEM  
POSSIBLE CAUSE  
TO CORRECT  
Replace thermostat.  
Turn to higher temperature setting to see if unit  
cycles off.  
Thermostat contacts stuck.  
Thermostat set at coldest point.  
Thermostat does not  
turn unit off.  
Refer to appropriate wiring diagram.  
Refer to Sizing Chart.  
Incorrect wiring.  
Unit undersized for area to be  
cooled.  
Page 16  
PROBLEM  
POSSIBLE CAUSE  
TO CORRECT  
Overload inoperative. Opens  
too soon.  
Compressor attempts to start  
before system pressures are  
equalized.  
Check operation of unit. Replace overload if system  
operation is satisfactory.  
Allow a minimum of two (2) minutes for pressures to  
equalize before attempting to restart. Instruct customer  
of waiting period.  
Check voltage with unit operating. Check for other  
appliances on the circuit. The air conditioner should be  
on a separate circuit for proper voltage, and be fused  
separately.  
Compressor attempts  
to start, or runs for  
short periods only.  
Cycles on overload.  
Low or fluctuating voltage.  
Incorrect wiring.  
Refer to appropriate wiring diagram.  
Shorted or incorrect capacitor.  
Check by substituting a known good capacitor of correct  
rating.  
Restricted or low air flow through  
condenser coil.  
Check for proper fan speed or blocked condenser.  
Compressor running abnormally  
hot.  
Check for kinked discharge line or restricted condenser.  
Check amperage.  
PROBLEM  
POSSIBLE CAUSE  
TO CORRECT  
Loss of charge in thermostat  
bulb.  
Place jumper across thermostat terminals to check if unit  
operates. If unit operates, replace the thermostat.  
Loose or broken parts in thermo- Check as above.  
stat.  
Thermostat does not  
turn unit on.  
Incorrect wiring.  
Refer to appropriate wiring diagram.  
PROBLEM  
POSSIBLE CAUSE  
TO CORRECT  
Poorly installed unit.  
Refer to Installation Instructions for proper installation.  
Reposition - adjust motor mount.  
Check that compressor grommets have not deteriorated.  
Check that compressor mounting parts are not missing.  
Fan blade striking chassis.  
Compressor vibrating.  
Improperly mounted or loose  
cabinet parts.  
Noisy operation.  
PROBLEM  
POSSIBLE CAUSE  
TO CORRECT  
Evaporator drain pan overflow-  
Clean obstructed drain trough.  
ing.  
Condensation forming on base  
pan.  
Evaporator drain pan broken or cracked. Reseal or replace.  
Water leaks into  
room.  
Poor installation resulting in rain Check installation instructions. Reseal as required.  
entering room.  
Condensation on discharge  
grilles.  
Dirty evaporator coil - clean. Very high humidity level.  
Page 17  
PROBLEM  
POSSIBLE CAUSE  
TO CORRECT  
Thermostat differential too  
narrow.  
Replace thermostat.  
Plenum gasket not sealing,  
allowing discharge air to short  
cycle the thermostat.  
Check gasket, reposition or replace.  
Thermostat short  
cycles.  
Restricted coil or dirty filter.  
Thermostat bulb touching  
Clean and advise customer of periodic cleaning of filter.  
Adjust bulb bracket.  
thermostat bulb support bracket. (Applicable models.)  
PROBLEM  
POSSIBLE CAUSE  
TO CORRECT  
Anticipator (resistor) wire  
disconnected at thermostat or  
system switch.  
Anticipator (resistor shorted or  
open).  
Refer to appropriate wiring diagram.  
Prolonged off cycles  
(automatic operation).  
Replace thermostat block and resistor.  
(Applicable models.)  
Partial loss of charge in thermo- Replace thermostat.  
stat bulb causing a wide differ-  
ential.  
PROBLEM  
POSSIBLE CAUSE  
TO CORRECT  
Switches from cooling Thermostat sticking.  
Change room thermostat.  
to heating.  
Incorrect wiring.  
Refer to appropriate wiring diagram.  
PROBLEM  
POSSIBLE CAUSE  
TO CORRECT  
Evaporator drain pan cracked or Repair, clean or replace as required.  
obstructed.  
Water in compressor area.  
Detach shroud from pan and coil. Clean and remove old  
sealer. Reseal, reinstall and check.  
Outside water leaks.  
Obstructed condenser coil.  
Fan blade and slinger ring  
improperly positioned.  
Steam clean.  
Adjust fan blade 3/16 to 1/4" from condenser shroud.  
Adjust fan motor mount to allow 3/16 to 1/4" clearance  
between condenser fan blade and base pan.  
PROBLEM  
POSSIBLE CAUSE  
TO CORRECT  
Insufficient air circulation in air  
conditioned area.  
Adjust louvers for best possible air circulation.  
Oversized unit.  
Operate in "Fan-Auto (Moneysaver)" position.  
Advise customer.  
High indoor humidity.  
Inadequate vapor barrier in  
building structure, particularly  
floors.  
Page 18  
Page 19  
Page 20  
Page 21  
QUIETMASTER "KS" - "KM" SERIES PARTS LIST  
REF.  
PART NO.  
DESCRIPTION  
APPLICATION  
K
S
1
0
J
K
S
1
2
J
K
S
1
2
J
K
M
1
8
J
K
M
2
1
J
1
0
1
0
3
0
3
0
3
0
ELECTRICAL PARTS  
A
A
1
1
1
1
1
*
615-628-09  
615-628-00  
615-628-04  
617-187-01  
611-935-46  
603-645-98  
603-645-90  
603-645-96  
615-780-10  
610-714-80  
610-714-93  
610-714-94  
610-714-96  
605-000-54  
605-000-53  
605-000-51  
605-000-49  
606-072-03  
618-061-00  
618-225-00  
610-803-38  
610-803-37  
610-803-34  
618-213-00  
618-214-00  
618-212-00  
618-208-00  
618-080-00  
618-080-01  
Compressor, Tecumseh, 115 V., 60 Hz., 1 Ph., Model RK5510E ..................................  
Compressor, Tecumseh, 115 V., 60 Hz., 1 Ph., Model RK5512E ..................................  
Compressor, Tecumseh, 115 V., 60 Hz., 1 Ph., Model RK5512EXD .............................  
Compressor, Bristol, 230/208 V., 60 Hz., 1 Ph., Model H23B175ABCC .......................  
Compressor, Tecumseh, 230/208 V., 60 Hz.,1 Ph., Model AWF5522EXN ....................  
Overload, Compressor - MRA3790-114 .........................................................................  
Overload, Compressor - MRA4703-117 .........................................................................  
Overload, Compressor - MRA3794-114 .........................................................................  
Overload, Compressor - MRA98982-117 .......................................................................  
Motor, Fan .......................................................................................................................  
Motor, Fan .......................................................................................................................  
Motor, Fan .......................................................................................................................  
Motor, Fan .......................................................................................................................  
Cord, Electric Supply - 15 Amp., 125 Volt ......................................................................  
Cord, Electric Supply - 15 Amp., 125 Volt ......................................................................  
Cord, Electric Supply - 15 Amp., 250 Volt ......................................................................  
Cord, Electric Supply - 20 Amp., 250 Volt ......................................................................  
System Switch ................................................................................................................  
Rocker Switch .................................................................................................................  
Thermostat ......................................................................................................................  
Capacitor, Run - 25/10 MFD, 370 V ................................................................................  
Capacitor, Run - 25/7.5 MFD, 370 V...............................................................................  
Capacitor, Run - 35/7.5 MFD, 370 V...............................................................................  
Harness Wire, Compressor ............................................................................................  
Harness Wire, Compressor ............................................................................................  
Harness Wire, Compressor ............................................................................................  
Harness Wire, Fan Motor ................................................................................................  
Resistor Block - 115 V ....................................................................................................  
Resistor Block - 230 V ....................................................................................................  
1
1
1
1
1
1
1
1
*
1
1
1
*
1
1
1
*
1
2
2
2
2
3
3
3
3
4
5
6
7
7
7
*
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
*
*
1
1
*
1
1
1
1
1
1
8
8
1
REFRIGERATION SYSTEM COMPONENTS  
9
9
9
9
10  
10  
*
618-501-01  
618-501-00  
618-500-05  
618-500-02  
618-503-03  
618-502-00  
01390212  
03760520  
03760545  
03760479  
603-081-01  
Coil, Evaporator ..............................................................................................................  
Coil, Evaporator ..............................................................................................................  
Coil, Evaporator ..............................................................................................................  
Coil, Evaporator ..............................................................................................................  
Coil, Condenser ..............................................................................................................  
Coil, Condenser ..............................................................................................................  
† Capillary Tube - .059 I.D. x 34" - 39" Long ..................................................................  
† Capillary Tube - .059 I.D. x 31 5/8" - 35" Long ............................................................  
Capillary Tube - .042 I.D. x 20" Long ...........................................................................  
Capillary Tube - .049 I.D. x 44" Long ..............................................................................  
Filter - Drier (use when repairing sealed system) ..........................................................  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
*
*
3
1
*
3
1
*
1
1
CHASSIS PARTS  
11  
12  
12  
*
614-939-05  
618-072-00  
618-110-00  
600-713-12  
Knob, Control ..................................................................................................................  
Panel, Control .................................................................................................................  
Panel, Control .................................................................................................................  
Bushing, Snap.................................................................................................................  
2
1
2
1
2
1
2
2
1
1
1
1
1
1
1
*
Not Shown  
Page 22  
QUIETMASTER "KS" - "KM" SERIES PARTS LIST  
REF.  
PART NO.  
DESCRIPTION  
APPLICATION  
K
K
K
K
K
REFRIGERATION SYSTEM COMPONENTS (Cont.)  
S
1
0
J
S
1
2
J
S
1
2
J
M
1
8
J
M
2
1
J
1
0
1
0
3
0
A
3
0
A
3
0
13  
13  
14  
14  
15  
16  
17  
*
618-027-00  
618-042-00  
618-028-00  
618-043-00  
618-204-00  
618-207-00  
618-226-00  
618-076-00  
618--148-00  
618-172-00  
618-167-00  
618-168-00  
618-171-00  
608-658-08  
608-658-09  
618-230-00  
618-202-00  
618-206-00  
915-003-01  
605-420-03  
605-420-04  
606-106-03  
606-106-01  
606-106-05  
618-033-00  
618-047-00  
618-025-00  
618-041-00  
618-036-00  
618-049-00  
618-026-00  
618-169-00  
618-169-01  
618-173-00  
618-174-00  
618-149-00  
618-175-00  
618-215-00  
618-034-05  
618-034-18  
618-034-01  
618-038-00  
618-188-00  
618-188-01  
610-289-00  
01150934  
Panel Assembly, Left Side.............................................................................................  
Panel Assembly, Left Side.............................................................................................  
Partition, Control Box ....................................................................................................  
Partition, Control Box ....................................................................................................  
Bracket, Capacitor Mounting .........................................................................................  
Strap, Capacitor .............................................................................................................  
Decorative Panel ...........................................................................................................  
Grommet, Suction Line .................................................................................................  
Connector, Fresh Air & Exhaust ....................................................................................  
Cover, Top ......................................................................................................................  
Insulation, Top Cover .....................................................................................................  
Insulation, Left Side Deck .............................................................................................  
Deck...............................................................................................................................  
Filter, Air ........................................................................................................................  
Filter, Air ........................................................................................................................  
Holder, Filter ..................................................................................................................  
Air Foil ............................................................................................................................  
Bracket, Resistor Block .................................................................................................  
Clamp, Supply Cord ......................................................................................................  
Fan Blade ......................................................................................................................  
Fan Blade ......................................................................................................................  
Blower Wheel .................................................................................................................  
Blower Wheel .................................................................................................................  
Blower Wheel .................................................................................................................  
Inner Wall .......................................................................................................................  
Inner Wall .......................................................................................................................  
Mount, Motor .................................................................................................................  
Mount, Motor .................................................................................................................  
Shroud ...........................................................................................................................  
Shroud ...........................................................................................................................  
Brace, Shroud ................................................................................................................  
Insulation, Inner Wall .....................................................................................................  
Insulation, Inner Wall .....................................................................................................  
Blower Front ..................................................................................................................  
Blower Front ..................................................................................................................  
Scroll ..............................................................................................................................  
Scroll ..............................................................................................................................  
Door Slide Assembly .....................................................................................................  
Base Pan .......................................................................................................................  
Base Pan .......................................................................................................................  
Base Pan .......................................................................................................................  
Drain Pan .......................................................................................................................  
Rear Grille .....................................................................................................................  
Rear Grille .....................................................................................................................  
Grommet, Compressor ..................................................................................................  
Grommet, Compressor ..................................................................................................  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
*
18  
19  
*
20  
*
*
1
2
1
1
1
1
2
1
1
1
*
2
1
1
1
1
2
1
1
1
1
2
1
1
1
1
21  
*
*
22  
22  
23  
23  
23  
24  
24  
25  
25  
26  
26  
27  
28  
28  
29  
29  
30  
30  
31  
32  
32  
32  
*
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
1
3
3
1
3
1
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
*
*
1
3
1
3
33  
33  
3
3
3
* Not Shown  
† Capillary length may vary, flow rate is the same.  
Page 23  
QUIETMASTER "KS" - "KM" SERIES PARTS LIST  
REF.  
PART NO.  
DESCRIPTION  
APPLICATION  
K
S
1
0
J
K
S
1
2
J
K
S
1
2
J
K
M
1
8
J
K
M
2
1
J
1
0
1
0
3
0
A
3
0
A
3
0
CHASSIS PARTS (Cont.)  
34  
35  
*
914-004-00  
618-102-00  
618-093-00  
618-092-00  
618-062-00  
618-063-00  
618-063-01  
618-257-00  
618-257-01  
618-089-00  
618-111-00  
618-196-00  
618-199-00  
602-944-08  
602-944-09  
611-050-04  
611-050-05  
611-095-03  
618-197-01  
618-198-01  
618-198-03  
606-103-03  
608-460-16  
617-173-01  
618-116-03  
618-116-04  
618-139-00  
618-118-00  
618-118-01  
618-141-01  
600-733-00  
Bolt, Compressor Mounting...............................................................................................  
Plenum Assembly ..............................................................................................................  
Knob, Fresh Air & Exhaust ................................................................................................  
Lever, Fresh Air & Exhaust................................................................................................  
Connector, Louver .............................................................................................................  
Louver, Grille .....................................................................................................................  
Louver, with Handle ...........................................................................................................  
Outer Shell (with Sill Plate) ...............................................................................................  
Outer Shell (with Sill Plate) ...............................................................................................  
Grille, Intake ......................................................................................................................  
Grille, Intake ......................................................................................................................  
Guide, Shell .......................................................................................................................  
Latch, Intake Grille ............................................................................................................  
Wingboard .........................................................................................................................  
Wingboard .........................................................................................................................  
Accessory Package ...........................................................................................................  
Accessory Package ...........................................................................................................  
Bracket, Support................................................................................................................  
Angle, Wingboard (Top) .....................................................................................................  
Angle, Wingboard (Side) ...................................................................................................  
Angle, Wingboard (Side) ...................................................................................................  
Gasket (Vinyl) ....................................................................................................................  
Plastic Bag (Hardware) .....................................................................................................  
Gasket, Chassis (Foam)....................................................................................................  
Carton, Shipping................................................................................................................  
Carton, Shipping................................................................................................................  
Pad, Shipping ....................................................................................................................  
Pad, Shipping ....................................................................................................................  
Pad, Shipping ....................................................................................................................  
Pad, Shipping (Top) ...........................................................................................................  
Gasket, Window (Foam) ....................................................................................................  
3
1
1
1
2
3
1
1
1
2
3
3
1
1
1
2
3
1
1
1
1
1
1
1
2
*
*
*
20 20 20 20 20  
*
2
1
2
1
2
1
2
2
1
1
2
1
36  
36  
37  
37  
*
1
1
1
1
1
2
2
2
2
1
2
2
1
2
2
1
*
38  
38  
*
1
1
1
1
*
1
2
1
1
2
1
39  
40  
41  
41  
42  
*
2
1
2
2
1
2
2
1
2
2
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
*
*
*
1
1
*
1
2
1
2
1
2
*
*
2
1
1
2
1
1
*
1
1
1
1
1
1
43  
OPTIONAL ACCESSORIES  
*
*
01900-235  
01900-312  
Drain - Condensate Connection Kit, DC-2 ........................................................................  
Start Kit, Capacitor/Relay (Pow-R-Pak) ............................................................................  
x
x
x
x
x
x
x
x
x
x
* Not Shown  
Page 24  
Page 25  
Page 26  
QUIETMASTER "KL" SERIES PARTS LIST  
REF.  
PART NO.  
DESCRIPTION  
APPLICATION  
K
L
2
5
J
3
0
ELECTRICAL PARTS  
A
1
2
3
4
5
6
7
*
615-935-47  
610-714-85  
605-000-49  
606-072-03  
618-061-00  
618-225-00  
610-803-34  
618-211-00  
618-208-00  
618-080-01  
Compressor, Tecumseh, 230/208 V., 60 Hz., 1 Ph., Model AWR5524EXN ........................................  
Motor, Fan.............................................................................................................................................  
Cord, Electric Supply - 20 Amp., 250 Volt ............................................................................................  
System Switch ......................................................................................................................................  
Rocker Switch.......................................................................................................................................  
Thermostat ...........................................................................................................................................  
Capacitor, Run - 35/7.5 MFD, 370 V ....................................................................................................  
Harness Wire, Compressor ..................................................................................................................  
Harness Wire, Fan Motor .....................................................................................................................  
Resistor Block - 230 V ..........................................................................................................................  
1
1
1
1
1
1
1
1
1
1
*
8
REFRIGERATION SYSTEM COMPONENTS  
9
10  
*
618-501-02  
618-503-07  
03760548  
Coil, Evaporator ....................................................................................................................................  
Coil, Condenser ....................................................................................................................................  
† Capillary Tube - .054 I.D. X 37 1/4" - 40" Long .................................................................................  
Filter Drier (use when repairing sealed system) ..................................................................................  
1
1
3
1
*
614-831-00  
CHASSIS PARTS  
11  
12  
*
614-939-05  
Knob, Control ........................................................................................................................................  
Panel, Control .......................................................................................................................................  
Bushing, Snap ......................................................................................................................................  
Panel, Left Side ....................................................................................................................................  
Insulation, Left Side ..............................................................................................................................  
Partition, Control Box ...........................................................................................................................  
Bracket, Capacitor Mounting ................................................................................................................  
Strap, Capacitor ....................................................................................................................................  
Decorative Panel ..................................................................................................................................  
Grommet, Suction Line ........................................................................................................................  
Connector, Fresh Air & Exhaust ...........................................................................................................  
Cover, Top .............................................................................................................................................  
Insulation, Top Cover ............................................................................................................................  
Insulation, Left Side Deck ....................................................................................................................  
Deck......................................................................................................................................................  
Filter, Air ...............................................................................................................................................  
Holder, Filter .........................................................................................................................................  
Air Foil ...................................................................................................................................................  
Bracket, Resistor Block ........................................................................................................................  
Clamp, Supply Cord .............................................................................................................................  
Fan, Blade ............................................................................................................................................  
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
618-069-00  
600-713-12  
618-068-00  
618-176-00  
618-070-00  
618-204-00  
618-207-00  
618-226-00  
618-076-01  
618-148-01  
618-179-00  
618-182-00  
618-183-00  
618-180-00  
608-658-10  
618-230-00  
618-202-01  
618-206-00  
915-003-01  
605-420-01  
13  
*
14  
15  
16  
17  
*
*
18  
19  
*
20  
*
*
21  
*
*
22  
*
Not Shown  
† Capillary length may vary, flow rate is the same.  
Page 27  
QUIETMASTER "KL" SERIES PARTS LIST  
REF.  
PART NO.  
DESCRIPTION  
APPLICATION  
K
L
2
5
J
3
0
CHASSIS PARTS (Cont.)  
A
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
*
606-106-02  
618-066-00  
618-067-00  
618-077-00  
618-100-00  
618-169-02  
618-178-00  
618-181-00  
618-215-00  
318-071-01  
618-074-00  
618-188-02  
01150934  
Blower Wheel ...........................................................................................................................  
Inner Wall .............................................................................................................................................  
Mount, Motor .......................................................................................................................................  
Shroud .................................................................................................................................................  
Brace, Shroud ......................................................................................................................................  
Insulation, Inner Wall ...........................................................................................................................  
Blower Front ........................................................................................................................................  
Scroll ....................................................................................................................................................  
Door, Slide Assembly ..........................................................................................................................  
Base Pan .............................................................................................................................................  
Drain Pan .............................................................................................................................................  
Grille, Rear ..........................................................................................................................................  
Grommet, Compressor ........................................................................................................................  
Bolt, Compressor Mounting.................................................................................................................  
Plenum Assembly ................................................................................................................................  
Knob, Fresh Air & Exhaust ..................................................................................................................  
Connector, Louver ...............................................................................................................................  
Louver, Grille .......................................................................................................................................  
Louver, with Handle .............................................................................................................................  
Lever, Fresh Air & Exhaust..................................................................................................................  
Outer Shell (with Sill Plate) .................................................................................................................  
Sill Plate ...............................................................................................................................................  
Grille, Intake ........................................................................................................................................  
Latch, Intake Grille ..............................................................................................................................  
Wingboard ...........................................................................................................................................  
Accessory Package .............................................................................................................................  
Bracket, Support..................................................................................................................................  
Angle, Wingboard (Top) .......................................................................................................................  
Angle, Wingboard (Side) .....................................................................................................................  
Gasket (Vinyl) ......................................................................................................................................  
Plastic Bag (Hardware) .......................................................................................................................  
Gasket, Chassis (Foam)......................................................................................................................  
Carton, Shipping..................................................................................................................................  
Pad, Shipping (Bottom) .......................................................................................................................  
Pad, Shipping (Top) .............................................................................................................................  
Pad, Shipping (Front & Rear) ..............................................................................................................  
Guide, Shell .........................................................................................................................................  
Gasket, Window (Foam) ......................................................................................................................  
1
1
1
1
3
1
1
1
1
1
1
1
3
3
1
1
2
20  
2
1
1
1
1
2
1
1
2
1
2
1
1
1
1
1
1
2
2
1
*
33  
34  
35  
*
914-004-00  
618-105-00  
618-093-00  
618-096-00  
618-097-00  
618-097-01  
618-092-00  
618-257-02  
618-084-01  
618-104-00  
618-199-00  
602-944-10  
611-050-03  
611-095-03  
618-197-03  
618-198-05  
606-103-03  
608-460-16  
617-173-01  
618-116-05  
618-140-00  
618-141-00  
618-118-02  
618-196-00  
600-733-00  
*
*
*
*
36  
*
37  
*
38  
*
39  
40  
41  
42  
*
*
*
*
*
*
*
43  
OPTIONAL ACCESSORIES  
*
01900-235  
01900-312  
Drain - Condensate Connection Kit, DC-2 ..........................................................................................  
Start Kit, Capacitor/Relay (Pow-R-Pak) ..............................................................................................  
x
x
*
Page 28  
Use Factory  
Certified Parts . . .  
Friedrich Air Conditioning Co.  
4200 North Pan Am Expressway P.O. Box 1540  
San Antonio, Texas 78295-1540 • U.S.A.  
Phone: (210) 357-4400  
Fax: (210) 357-4480  
Page 29  
RAC-K (1/98)  
Printed in U.S.A.  

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