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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
4 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
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 36G54 gas valves.
Gas Inlet Pressure Check
Outlet
Pressure Boss
Open to
Atmosphere
Inlet
Pressure
Boss
10.0
Mode
White-Rodgers Model 36G54 Connected to Manometer
White-Rodgers Model 36G54 Connected to Manometer
Gas inlet pressure must be checked and adjusted in
accordance to the type of fuel being consumed.
With Power And Gas Off:
1. Connect a water manometer or adequate gauge to
the inlet pressure tap of the gas valve.
High Fire Regulator
Adjust
Regulator
Vent
Low Fire
Regulator
Adjust
Common
Terminal(C)
17
Inlet gas pressure can also be measured by
removing the cap from the drip leg and installing a
predrilled cap with a hose fitting.
Measuring Inlet Gas Pressure
Alternate Method
With Power And Gas On:
2. Put unit into heating cycle and turn on all other gas
consuming appliances.
INLET GAS PRESSURE
Natural
Min 5.0" W.C., Max 10.0" W.C.
Propane
Min 11.0" W.C., Max 13.0" W.C.
NOTE: Inlet Gas Pressure Must be within the Minimum
and Maximum Value Shown in the Inlet Gas Pressure
chart.
If operating pressures differ from above, make necessary
pressure regulator adjustments, check piping size, etc.,
and/or consult with local utility.
Manifold Pressure Check
3.5
Mode
White-Rodgers Model 36J54 Connected to Manometer
White-Rodgers Model 36G54 Connected to Manometer
1. Turn OFF gas to furnace at the manual gas shutoff
10.0
Mode
High Fire Regulator
Adjust
Regulator
Vent
Common
Terminal(C)
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