Page 36
Placing Furnace In Operation
1- Set thermostat to lowest setting.
2- Turn off all electrical power to appliance.
3- This appliance is equipped with an ignition device
which automatically lights the burner. Do not try to light
the burner by hand.
4- Open or remove the heat section access panel.
5- Turn gas valve switch to “OFF”. Do not force.
6- Wait five (5) minutes to clear out any gas. If you then
smell gas, STOP! Immediately call your gas suppli
er from a neighbor's phone. Follow the gas supplier's
instructions. If you do not smell gas, go to the next step.
7- Turn gas valve switch to “ON”. Do not force.
8- Close or replace the heat section access panel.
9- Turn on all electrical power to appliance.
10- Set thermostat to desired setting.
11- The combustion air inducer will start. The burners will
light within 40 seconds.
12- If the appliance does not light the first time (gas line not
fully purged), it will attempt two more ignitions before
locking out.
13- If lockout occurs, repeat steps 1 through 10.
14- If the appliance will not operate, follow the instructions
“Turning Off Gas to Appliance” and call your service
technician or gas supplier.
Turning Off Gas to Appliance
1- If using an electromechanical thermostat, set to the
lowest setting.
2- Before performing any service, turn off all electrical
power to the appliance.
3- Open or remove the heat section access panel.
4- Turn gas valve clockwise to “OFF”. Do not force.
D-Safety or Emergency Shutdown
Turn off power to the unit. Close manual and main gas
valves.
FIGURE 24
WHITE RODGERS 36H54 GAS VALVE
Two-Stage
LOW FIRE
ADJUSTMENT
HIGH FIRE
ADJUSTMENT
INLET
PRESSURE
TAP
MANIFOLD
PRESSURE
TAP
GAS VALVE SWITCH SHOWN IN ON POSITION.
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