Gas Fired Products Electric Heater ETS Series User Manual

SPECIFICATIONS  
Infrared Gas Heaters For Industry Since 1958  
LOW INTENSITY  
ETS/ETU Series Tube Heaters  
ETU Series  
ETS 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 1958. The quality and  
performance of our heaters are based on over 45 years of field experience and expo-  
sure 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 infrared  
heating equipment.  
Space-Ray infrared tube heaters are ideal for complete building heat or even spot  
heating needs. The best applications include: manufacturing plants, warehouses,  
auto dealerships, 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 direct-  
ly 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 Earth but not the upper atmosphere. This heating  
technology 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  
building owner 30% to 50% in annual fuel costs when compared to forced air heating  
systems. 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  
accrues 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  
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DIMENSIONS  
ETS - BOTTOM VIEW  
ETS - END VIEW  
ETU - BOTTOM VIEW  
ETU - END VIEW  
L
L
15”  
18”  
18”  
9”  
6”  
6”  
Control  
Box  
18”  
31”  
13”  
Draft  
Inducer  
TOTAL TUBE  
OVERALL  
LENGTH (FT)  
DIMENSIONL(FT)  
MODEL  
TOTAL TUBE  
OVERALL  
MODEL  
LENGTH (FT) DIMENSION L” (FT)  
ETS (40, 50)  
15’  
20’  
17’3”  
22’3”  
ETU (40, 50, 60, 75)  
ETS (40, 50, 60, 75)  
20’  
30’  
12’9”  
17’9”  
ETU (50, 60, 75, 80, 90,  
100, 110, 120, 130)  
ETS (40, 50, 60, 75, 80, 90,  
100, 110, 120, 130)  
30’  
40’  
50’  
32’3”  
42’3”  
52’3”  
ETS (80, 90, 100, 110, 120,  
125, 130, 140, 150, 160,175)  
ETU (80, 90, 100, 110, 120,  
125, 130, 140, 150, 160, 175)  
ETU (125, 130, 140, 150,  
40’  
50’  
22’9”  
27’9”  
ETS (125, 130, 140, 150,  
160, 175, 180, 200, 225, 250)  
160, 175, 180, 200, 225, 250)  
ETU (180, 200, 225, 250)  
ETU (180, 200, 225, 250)  
ETU (180, 200, 225, 250)  
ETS (180, 200, 225, 250)  
ETS (180, 200, 225, 250)  
ETS (180, 200, 225, 250)  
60’  
70’  
80’  
32’9”  
37’9”  
42’9”  
60’  
70’  
80’  
62’3”  
72’3”  
82’3”  
ETS AND ETU  
ETS OPTIONS  
DRAFT INDUCER  
CONTROL BOX  
90° ELBOW  
CORNER REFLECTOR  
Flue Connection:  
4” Round for ETS/U (40-75)  
6” Round for ETS/U (80-250)  
1/ 2  
Fresh Air Connection:  
4” Round for ETS/U (40-75)  
6” Round for ETS/U (80-250)  
MINIMUM RECOMMENDED MOUNTING HEIGHTS  
HEIGHT AT  
45° ANGLE  
HEIGHT AT  
HORIZONTAL  
HEIGHT AT  
HORIZONTAL  
HEIGHT AT  
45° ANGLE  
MODEL  
MODEL  
ETS/U 40  
9 feet  
10 feet  
11 feet  
12 feet  
12 feet  
13 feet  
10 feet  
11 feet  
12 feet  
13 feet  
13 feet  
14 feet  
14 feet  
15 feet  
15 feet  
16 feet  
18 feet  
20 feet  
ETS/U 120 & 125  
ETS/U 130 & 140  
ETS/U 150  
13 feet  
14 feet  
14 feet  
15 feet  
17 feet  
19 feet  
ETS/U 50  
ETS/U 60  
ETS/U 160 & 175  
ETS/U 180 & 200  
ETS/U 75  
ETS/U 80 & 90  
ETS/U 100 & 110  
ETS/U 225 & 250  
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. Use ETU 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  
27”  
27”  
52”  
66”  
66”  
84”  
86”  
6”  
6”  
40”  
60”  
30”  
30”  
30”  
40”  
40”  
48”  
48”  
48”  
48”  
52”  
66”  
66”  
84”  
84”  
12”  
12”  
12”  
20”  
20”  
24”  
24”  
ETS/U (40, 50)  
ETS/U (60, 75)  
HORIZONTAL  
45° ANGLE  
6”  
84”  
ETS/U (80, 90)  
6”  
88”  
(MAXIMUM)  
ETS/U 100  
6”  
101”  
106”  
132”**  
ETS/U (110, 120, 125, 130)  
ETS/U (140, 150, 160, 175)  
ETS/U (180, 200, 225, 250)  
6”  
18”  
*When used indirect vented, clearances to ceiling from top of exhaust hood must be 12” on ETS/U (40-75), and 18” on  
ETS/U (80-250). If optional corner or U-bend reflectors are not used, clearance must be 18”. **Clearance below the heater  
is 132” for the first 20 ft. of the emitter tube and reduces to 72” 20 ft. downstream from the control box.  
Note: Consult factory if reduced clearances are required.  
 
ETS/ETU SERIES LAYOUTS  
ETS/ETU SERIES LAYOUTS  
The ETS/ETU series, with more than 100 different configurations, offers optimum flexibility in custom designing an  
infrared heating system. The ETS series is available in multiple configurations (straight, L, Z, and expanded U-shape) with  
lengths from 15’ to 80’ long. For added versitality, 90° elbows, corner reflectors, and side reflectors are available for close  
area mounting near walls, doors, and corners. The ETU series is available in seven different configurations and provides  
more uniform radiant heat energy distribution. The ETU series is ideal for high heat loss areas and spot heating.  
LEGEND  
CONTROL UNIT  
DRAFT INDUCER  
10FT. BODY SECTION  
Z-SHAPE  
5 FT. BODY SECTION  
STRAIGHT  
90° ELBOW  
180° U BEND  
Z-SHAPE  
EXPANDED  
U-SHAPE  
EXPANDED  
U-SHAPE  
STRAIGHT  
L-SHAPE  
L-SHAPE  
ETS SERIES  
15 FT SYSTEM  
20 FT SYSTEM  
40 FT SYSTEM  
25 FT SYSTEM  
45 FT SYSTEM  
30 FT SYSTEM  
35 FT SYSTEM  
50 FT SYSTEM  
Only 15 ft. to 50 ft. systems are shown. Please refer to the Installation and Operation Instructions for complete layouts.  
ETU SERIES  
20 FT SYSTEM  
30 FT SYSTEM  
40 FT SYSTEM  
50 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, direct 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 installation 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 on 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  
 
Copyright 2003, GFP INC. 10325M  
FORM#S45504  

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