4SN/L5,4BN/L6 Manual
IM080630
RD: JUNE 2008
RL: 1A
BA
GAS REQUIREMENTS AND LEAK TESTING:
NATURAL GAS:
NEVER CONNECT AN UNREGULATED GAS SUPPLY TO THE HEATER.
This heater requires a natural gas pressure regulator (not supplied)
PRECAUTIONS:
· Periodically check the whole system for leaks or if the smell of gas is detected.
· Extinguish all open flames.
· Never smoke while leak testing.
· If you can not stop a leak, turn off the gas supply and call a qualified and licensed techni-
cian, or your gas supplier.
· Only those parts recommended by the Manufacturer should be used. Substitution will void
the warranty.
·
Do not use the heater until all connections have been leak tested and are sound !!!
GAS REQUIREMENTS:
· Maximum inlet pressure to heater must not exceed 5” w.c.
· Heater manifold pressure required to maintain correct burner input is 5” w.c.
· The installation must conform with local codes, or in the absence of local codes, with Na-
tional Fuel Gas Code.
3.1 Series 4SN5/4BN6 specifications:
· Manifold pressure 5” w.c. maximum / 2” w.c. minimum
· Maximum Inlet gas supply pressure 5” w.c.
· Maximum operating input rating
38,000 BTUH @ 5” w.c.
· Low fire input rating
22,000 BTUH @ 2” w.c.
· Effective radiant range
8 to 20 foot circle (affected by wind and ambient
temperature)
· Fuel
N.G.
·
Net Weight
60 lbs .
· Certification
CSA International US and Canada
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