15
3. Set the room thermostat to its lowest possible setting.
4. Remove the heat exchanger door on the side of the
unit by removing screws.
5. This unit is equipped with an ignition device which
automatically lights the main burner. DO NOT try to
light burner by any other method.
6. Move the gas control valve switch to the OFF position.
Do not force.
7. Wait five minutes to clear out any gas.
8. Smell for gas, including near the ground. This is
important because some types of gas are heavier than
air. If you have waited five minutes and you do smell
gas, immediately follow the warnings on page 3 of this
manual. If having waited for five minutes and no gas
smell is noted, move the gas control valve switch to
the ON position.
9. Replace the heat exchanger door on the side of the
unit.
10. Open the manual gas valve external to the unit.
11. Turn on the electrical power supply to the unit.
12. Set the thermostat to desired setting.
Gas Supply And Manifold Check
Gas Valve
On/Off
Selector
Switch
INLET
OUTLET
White-Rodgers 36J22 (Single Stage)
Inlet
Pressure Boss
Low Fire
Regulator Adjust
High Fire Regulator
Adjust
Regulator
Vent
Outlet
Pressure Boss
White-Rodgers Model 36G54 (Two Stage)
Gas supply pressure and manifold pressure with the
burners operating must be as specified on the rating plate.
NOTE:
Use adapter kit #0151K00000S to measure gas
pressure on White-Rodgers 36J22 and 36G54 gas valves.
Gas Supply Pressure Measurement
T
O
PREVENT
UNRELIABLE
OPERATION
OR
EQUIPMENT
DAMAGE
,
THE
I
NLET
GAS
SUPPLY
PRESSURE
MUST
BE
AS
SPECIFIED
ON
THE
UNIT
RATING
PLATE
WITH
ALL
OTHER
HOUSEHOLD
GAS
FIRED
APPLIANCES
OPERATING
.
CAUTION
The line pressure supplied to the gas valve must be within
the range specified in the
Inlet Gas Supply Pressure
table.
The supply pressure can be measured at the gas valve inlet
pressure tap or at a hose fitting installed in the gas piping drip
leg. The supply pressure must be measured with the unit
OFF. To measure inlet pressure, use the following procedure.
Regulator Cover
Screw
Mode
10.0
White-Rodgers Model 36J22 Connected to Manometer
Inlet
Pressure
Boss
Low Fire
Regulator
Adjust
Manometer
Manometer
Hose
High Fire Regulator
Adjust
Regulator
Vent
Outlet
Pressure Boss
Open to
Atmosphere
On/Off Switch
High Fire Coil
Terminal (HI)
Coaxial Coil
Terminal (M)
Common
Terminal(C)
White-Rodgers Model 36G54 Connected to Manometer
Mode
10.0
White-Rodgers Model 36G54 connected to Manometer
