GAS LINE CONNECTION
ORIFICE SIZES, PRESSURE AND BTU’S
NATURAL GAS PROPANE
GAS
FRONT BURNER
#48 (1.93mm)
#56 (1.32mm)
REAR BURNER
#43 (2.49 mm)
#54 (1.40 mm)
Manifold pressure.
3.8”w.c (.95kPa)
11”w.c (2.74kPa)
Min. Manifold Pressure.
1.1”w.c (.27kPa)
2.7”w.c (.67kPa)
Supply Pressure.
7.0”w.c (1.74kPa)
12”w.c (2.98kPa)
Min. Supply Pressure.
5”w.c (1.25kPa) 11.5”w.c
(2.86kPa)
Max. BTUH Input.
38,000 Btu/h (11.1 kW)
38,000 Btu/h (11.1 kW)
Min. BTUH Input.
20,000 Btu/h (5.9 kW)
20,000 Btu/h (5.9 kW)
Output fan off
27,800 Btu/h (8.14 kW)
28,900 Btu/h (8.46 kW)
Output fan on
29,400 Btu/h (8.6 kW)
30,300 Btu/h (8.86 kW)
WARNING:
Only persons licensed to work with gas piping may make the necessary gas connections to this
appliance.
NOTE:
The gas line connection may be made using 3/8" rigid tubing or an approved flex connector. Since some
municipalities have additional local codes it is always best to consult your local authorities and the CAN/CGA-
B149 (1 or 2) Installation Code. For USA gas installations follow either local codes or the current edition of the
National Fuel Gas Code ANSI.Z223.1.
UPON CONNECTION MARK APPROPRIATE FUEL TYPE ON WARNOCK HERSEY
RATING LABEL LOCATED ON THE INSIDE OF THE RIGHT HAND SIDE PANEL.
Manifold
Pressure
Tap.
Inlet
Pressure
Tap.
Millivolt Terminals
Pilot Adjustment screw. "HI-LOW" Burner Gas Knob. Pilot "ON-OFF" Gas Knob.
The appliance and its individual manual shutoff
valves must be disconnected from the gas supply
piping system during any pressure testing where the
pressure exceeds 1/2 PSIG (3.45kpa) or damage
will occur to the valve.
The appliance must be isolated from the gas supply
piping system by closing its individual manual
shutoff valve during any pressure testing of the gas
supply piping system at test pressures equal to or
less than 1/2 psig (3.5kpa).
When using copper or flex connectors use only
fittings approved for gas connections.
TO TEST
The pressure taps are located in the top right corner
on the valve face (right - inlet, left - manifold
pressure).
•
Turn set screw counter clockwise to loosen, 2
turns.
•
Place 5/16" hose over pressure tap system.
•
When finished, release pressure, remove hose
& tighten setscrew.
Always check for gas leaks with a soap and water
solution after completing the required pressure test.
NEVER USE AN OPEN FLAME FOR LEAK TESTING
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