Space Ray LTU Series Two Stage - Manual (Page 15)

Form #42710010
May 2013
-13-
10. After all gas connections have been made, make sure the heater and all gas outlets are turned off before
the main gas supply is turned on slowly main gas supply is turned on slowly main gas supply is turned on slowly main gas supply is turned on slowly. Turn the gas supply pressure on and check for leaks. To check for
leaks, check by one of the methods listed in Appendix D of the National Fuel Gas Code.
11. If a 2nd stage regulator is used, the ball valve down stream in the supply line must be closed when purging
the gas lines to prevent gas seeping through it. If initial gas pressure is higher than 14” w.c. the redundant
combination gas valve is designed to lock out. Pressure build-up in the supply lines prior to the heater must
be released before proper heater operation.
DO DO DO DO not use an open flame of any kind to test for leaks. not use an open flame of any kind to test for leaks. not use an open flame of any kind to test for leaks. not use an open flame of any kind to test for leaks.
END VIEW SIDE VIEW
Alternate Supply
Locations
* Available as Accessories
KEY DIMENSIONS AND COMPONENTS OF THE GAS CONNECTIONS
14 to 17”
(36 to 43cm)
Approved
Flexible Connector
36”
*Second Stage Regulator with
Vent Leak Limiter to reduce the
Supply Pressure below 14” W.C.
Gas Pressure
= 2 PSIG
Gas Supply
Piping
Sediment Trap
(Drip Leg)
*Manual Gas
Shut Off Valve
Burner Movement
2” (5cm) Max.
Displacement
INCORRECT POSITIONS
Movement
WRONG
Movement
WRONG
Movement
WRONG
Movement
WRONG
US ONLY: US ONLY: US ONLY: US ONLY: Connect Connect Connect Connector MUST be installed in “ or MUST be installed in “ or MUST be installed in “ or MUST be installed in “⊃ ⊃ ⊃ ⊃” configuration. Use only ” configuration. Use only ” configuration. Use only ” configuration. Use only
the 36” long connector that was furnished with this heater. the 36” long connector that was furnished with this heater. the 36” long connector that was furnished with this heater. the 36” long connector that was furnished with this heater.
US ONLY: A gas connector certified for use on a tubular type infrared heater per the standard for Connectors A gas connector certified for use on a tubular type infrared heater per the standard for Connectors A gas connector certified for use on a tubular type infrared heater per the standard for Connectors A gas connector certified for use on a tubular type infrared heater per the standard for Connectors
for Gas Appliances, ANSI Z21.24/C for Gas Appliances, ANSI Z21.24/C for Gas Appliances, ANSI Z21.24/C for Gas Appliances, ANSI Z21.24/CSA 6.10 is supplied for installation in US only. The gas connector is 36” long SA 6.10 is supplied for installation in US only. The gas connector is 36” long SA 6.10 is supplied for installation in US only. The gas connector is 36” long SA 6.10 is supplied for installation in US only. The gas connector is 36” long
and and and and 1 1 1 1/ // /2 2 2 2” nominal ID, and must be installed as shown above, in ” nominal ID, and must be installed as shown above, in ” nominal ID, and must be installed as shown above, in ” nominal ID, and must be installed as shown above, in one plane, and without sharp bends, kinks or one plane, and without sharp bends, kinks or one plane, and without sharp bends, kinks or one plane, and without sharp bends, kinks or
twists. twists. twists. twists.
CANADA ONLY: A Type I hose connector should be used that is c A Type I hose connector should be used that is c A Type I hose connector should be used that is c A Type I hose connector should be used that is certified as being in compliance with the ertified as being in compliance with the ertified as being in compliance with the ertified as being in compliance with the
Standard for Elastomeric Composite Hose and Hose Couplings for Conducting Propane and Natural Gas Standard for Elastomeric Composite Hose and Hose Couplings for Conducting Propane and Natural Gas Standard for Elastomeric Composite Hose and Hose Couplings for Conducting Propane and Natural Gas Standard for Elastomeric Composite Hose and Hose Couplings for Conducting Propane and Natural Gas
(CAN/CGA 8.1) and is of length of 36+/
(CAN/CGA 8.1) and is of length of 36+/ (CAN/CGA 8.1) and is of length of 36+/ (CAN/CGA 8.1) and is of length of 36+/---- 6 in (90+/ 6 in (90+/ 6 in (90+/ 6 in (90+/---- 15 cm). 15 cm). 15 cm). 15 cm). The gas connector The gas connector The gas connector The gas connector must be installed as shown must be installed as shown must be installed as shown must be installed as shown
above above above above, in on , in on , in on , in one plane, and without sharp bends, kinks or twists. e plane, and without sharp bends, kinks or twists. e plane, and without sharp bends, kinks or twists. e plane, and without sharp bends, kinks or twists.