Lennox International Inc TUA75S, TUA45S WHITE RODGERS 36E GAS VALVE, ROBERTSHAW 2000DER GAS VALVE

Gas Valve Operation for White Rodgers 36E Series Valve (Figure 12)

1- STOP! Read the safety information at the beginning of this section.

2- Set thermostat to lowest setting.

3- Turn off all electrical power to appliance.

4- This appliance is equipped with an ignition device which automatically lights burner. DO NOT attempt

to light the burners manually.

WHITE RODGERS 36E GAS VALVE
	MANIFOLD PRESSURE
	ADJUSTMENT SCREW
NO
OFF	MANI-
	FOLD
INLET	PRESSURE
PRESSURE	TAP
TAP	GAS VALVE KNOB
	SHOWN IN OFF POSITION
	FIGURE 12

5- Turn knob on gas valve 180° either way to OFF.

6- Wait five minutes to clear out any gas. If you then smell gas, STOP! Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions. If you do not smell gas go to next step.

7- Turn knob on gas valve 180° either way to ON.

8- Close unit door.

9- Turn on electrical power to unit.

10-Set thermostat to desired setting.

11- The combustion air blower will start. The burners will light within 40 seconds.

12-If unit does not light first time (gas line not fully purged) it will attempt up to two more ignitions before locking out.

13-If lockout occurs, repeat steps 1 through 10.

14-If appliance still will not operate, follow the instructions “To Turn Off Gas to Unit" and call your service technician or gas supplier.

Gas Valve Operation for Robertshaw 2000DER Series Valve (Figure 13)

1- STOP! Read the safety information at the beginning of this section.

2- Set the thermostat to lowest setting.

3- Turn off all electrical power to appliance.

4- This appliance is equipped with an ignition device which automatically lights burner. DO NOT

attempt to light the burners manually.

ROBERTSHAW 2000DER GAS VALVE
GAS VALVE KNOB		MANIFOLD
SHOWN IN OFF POSITION		PRESSURE TAP
	OFF
INLET	MANIFOLD PRESSURE
PRESSURE	ADJUSTMENT SCREW
TAP	UNDER CAP

FIGURE 13

5- Depress knob on gas valve; knob will snap to OFF.

6- Wait five minutes to clear out any gas. If you then smell gas, STOP! Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions. If you do not smell gas go to next step.

7- Turn knob on gas valve 90° counterclockwise to ON.

8- Close unit door.

9- Turn on electrical power to unit.

10-Set the thermostat to desired setting.

11-The combustion air blower will start. The burners will light within 40 seconds.

12-If unit does not light first time (gas line not fully purged) it will attempt up to two more ignitions before locking out.

13-If lockout occurs, repeat steps 1 through 10.

14-If appliance still will not operate, follow the instructions “To Turn Off Gas to Unit" and call your service technician or gas supplier.

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