SPECIFICATIONS
Infrared Gas Heaters For Industry Since 1949
LOW INTENSITY
PTS/PTU Series Tube Heaters
Positive Pressure
ꢀ
ꢀ
Single Stage Input
Two Stage Input
PTU Series
PTS Series
SPACE-RAY®…A TRUSTED NAME IN INFRARED HEATING
At Space-Ray, industrial comfort heating is a challenge we take seriously. We have
been manufacturing gas-fired infrared heating systems since 1949. The quality and
performance of our heaters are based on over 50 years of field experience and ex-
posure to a wide variety of industrial heating problems. Our reputation is built upon a
solid track record for providing radiant efficient, easy-to-install and high quality in-
frared heating equipment.
Space-Ray infrared tube heaters are ideal for complete building heat or even spot heat-
ing needs.The best applications include:manufacturing plants, warehouses, auto deal-
erships, aircraft hangars, loading docks, weld shops, truck or auto service areas, car
washes, fire stations, greenhouses, gymnasiums, garages, machine shops, tennis
courts, swimming pools, maintenance shops, farm buildings and many many more.
HEATING TECHNOLOGY FOR THE NEXT MILLENNIUM
Space-Ray infrared heaters heat like the sun by transferring radiant heat energy directly
to the areas to be heated. Radiant energy is absorbed by concrete floors, objects and
people, and re-radiated to warm the surrounding area.This principle is similar to the sun’s
radiant heat energy heating the Earth but not the upper atmosphere.This heating tech-
nology creates a comfort zone at floor level, not at the ceiling, and is much more efficient
than conventional forced air heating systems.
30%-50% FUEL SAVINGS
A highly radiant efficient Space-Ray infrared heating system can normally save a build-
ing owner 30% to 50% in annual fuel costs when compared to forced air heating sys-
tems. In fact, some Space-Ray customers report fuel savings as high as 70% with a
payback of less than one year.With a Space-Ray system, your investment payback ac-
crues not only from reduced energy costs, but from reduced maintenance costs, too.
So when you think industrial heating, think Space-Ray. Call us at 1-800-438-4936 for
the name of our representative nearest you.
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INNOVATIVE TUBE INTEGRITY SAFETY SYSTEM* (TISS™)
Space-Ray’s newly developed Tube Integrity Safety System*
(TISS) provides peace of mind. It may never be needed, but
in the unlikely event of a tube failure, you will be happy that you
have a TISS. It is simple. A low voltage circuit
Low Voltage
Circuit Control
continuously monitors the clearance above the
reflector for excessive overheat and tube
integrity compromise.You may never
know it is there, but on a positive
pressure tube heater it is nice to
Top of
Reflector
know you have the TISS.
10’ Long
Aluminum Wire &
Sleeve Assembly
How the TISS™ Works
Space-Ray’s innovative safety feature TISS
Spring
provides the ultimate in fire safety protection available
for positive pressure radiant tube heaters. In the unlikely event that
Spring
Retainer
Clamp
the heat exchanger tube burns through, a flame will penetrate the tube,
melt the reflector, and rapidly increase the temperature above the heater. The
exposed flame will potentially set fire to any combustible materials that were previously
safe distances away from the heater. The revolutionary TISS uses a simple principle to place an electrically
charged insulated aluminum wire in tension above the reflector. When the heat increases
due to heat exchanger failure, the wire melts, the safety circuit is broken and shuts down the gas controls.
* US & Worldwide Patents Pending
DIMENSIONS
PTS - BOTTOM VIEW
PTS - END VIEW
PTU - BOTTOM VIEW
PTU - END VIEW
6”
6”
18”
31”
13”
TOTAL TUBE
LENGTH (FT)
OVERALL
DIMENSION “L”(FT)
MODEL
TOTAL TUBE
OVERALL
MODEL
PTU (40, 50, 75)
LENGTH (FT) DIMENSION “L” (FT)
PTS (40)
10’
20’
11’ 2”
21’ 2”
PTS (40, 50, 75)
20’
30’
40’
12’ 5”
17’ 5”
22’ 5”
PTU (50, 75,100, 125)
PTU (100, 125, 150)
30’
40’
50’
60’
70’
31’ 2”
41’ 2”
51’ 2”
61’ 2”
71’ 2”
PTS (50, 75,100,125)
PTS (100, 125, 150)
PTS (125, 150, 175, 200)
PTS (150,175,200)
PTS (200)
PTU (125, 150, 175, 200)
PTU (150,175, 200)
PTU (175, 200)
50’
60’
70’
27’ 5”
32’ 5”
37’ 5”
PTS AND PTU BURNER BOX
PTS OPTIONS
CORNER REFLECTOR
90˚ ELBOW
Burner Box Dimensions
(10” W x 14” L x 14” H)
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MINIMUM RECOMMENDED MOUNTING HEIGHTS
HEIGHT AT
45° ANGLE
HEIGHT AT
HEIGHT AT
HEIGHT AT
45° ANGLE
MODEL
PTS/U 40
PTS/U 50
PTS/U 75
PTS/U 100
HORIZONTAL
MODEL
PTS/U 125
PTS/U 150
PTS/U 175
PTS/U 200
HORIZONTAL
9 feet
10 feet
12 feet
13 feet
10 feet
11 feet
13 feet
14 feet
14 feet
15 feet
16 feet
18 feet
13 feet
14 feet
15 feet
17 feet
This chart is intended as a guide only, as heaters may be mounted at various heights and angles. Since straight tube heaters are always hotter at the burner end
than at the exhaust end, always observe the minimum recommended mounting heights shown above and mount heaters as high as possible. Use PTU series for
spot heating. Please consult your local Space-Ray Representative for a detailed analysis of your particular infrared heating requirements.
MINIMUM CLEARANCES TO COMBUSTIBLES
(45°)
FRONT
(45°)
REAR
MINIMUM CLEARANCES TO COMBUSTIBLES
MODEL NO.
SIDE
CEILING BELOW
END
PTS/U (40, 50)
PTS/U (75)
PTS/U (100)
PTS/U (125)
PTS/U (150, 175)
PTS/U (200)
27”
27”
66”
66”
84”
86”
6”
6”
6”
6”
6”
40”
60”
88”**
101”**
106”**
132”**
30”
30”
40”
40”
48”
48”
48”
48”
66”
66”
84”
84”
12”
12”
20”
20”
24”
24”
18”
*When used indirect vented, clearances to ceiling from top of exhaust hood must be 12” on PTS/U (50-75), and 18” on PTS/U (100-200). If optional corner or U-bend reflec-
tors are not used, clearance must be 18”. **Clearance below the tube reduces to 72” 20 ft. downstream from the control box. Note: Consult factory if reduced clearances
are required.
PTS/PTU SERIES LAYOUTS
ETS/ETU SERIES LAYOUTS
ThePTS/PTU series, with more than 100 different configurations, offers optimum flexibility in custom designing an infrared
heating system. The PTS series is available in multiple configurations (straight, L, Z, and expanded U-shape) with lengths
from 10’ to 70’ long. For added versatility, 90° elbows, corner reflectors, and side reflectors are available for close area
mounting near walls, doors, and corners. The PTU series is available in seven different configurations and provides more
uniform radiant heat energy distribution. The PTU series is ideal for high heat loss areas and spot heating.
LEGEND
PTS SERIES
PTU SERIES
Burner Box
STRAIGHT
EXPANDED
U-SHAPE
L-SHAPE
Z-SHAPE
10 FT. BODY SECTION
5 FT. BODY SECTION
90° ELBOW
180° U BEND
40 FT SYSTEM
40 FT SYSTEM
COMBUSTION AIR AND VENTILATION
Combustion air and venting requirements for all gas-fired heating equipment must be provided per the National Fuel Gas Code NFPA54 or the authority having jurisdiction over the
installation. In contaminated atmospheres or high humidity areas, optional outside air for combustion can be supplied. Heaters can be common vented, vented, or indirect vented.
Refer to the Installation and Operation Instructions for further information. A vented installation must be vented to the outside of the building with a flue pipe. An Indirect vented in-
stallation requires a minimum ventilation flow of 4 CFM per 1000 Btu/hr of total installed heater capacity on natural gas by either gravity or power ventilation (4.18 CFM per 1000 Btu/hr
for propane). For indirect vented applications, building exhaust openings must be located above the level of the heaters and inlet air openings must be located below the level of the
heaters.
FOR YOUR SAFETY
OPERATE SPACE-RAY GAS INFRARED HEATERS WITH PROPER CARE AND OBSERVE ALL SAFETY PRECAUTIONS. Installation and service must be performed by a licensed con-
tractor. The installation must conform to local codes. In the absence of local codes, the installation must conform to the National Fuel Gas Code ANSI Z223.1 (latest edition, also known
as NPFA54) or CAN / CSA-B149 installation codes (latest edition). These codes are available from the National Fire Protection Association, Inc., Batterymarch Park, Quincy, MA 02269
or the Canadian Gas Association, 55 Scarsdale Road, Toronto, Ontario MB3 2R3 Canada.
A Division of Gas-Fired Products, Inc.
P.O. Box 36485 Charlotte, NC 28236 Telephone (Toll Free) 1-800-438-4936 (704) 372-3485 Fax (704) 332-5843
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Copyright 2008, GFP INC. 050810M
FORM#S45600
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