Lennox International Inc G32 SERIES Lighting and Operating Information, Filters, Thermostats

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greatly impacted by the individual installation and the op2 erating environment. It is your responsibility to ensure that this appliance is maintained. Proper maintenance is critical for your safety and the satisfactory operation of the product. Lennox strongly recommends annual in. spection and maintenance of this appliance. Contact your independent Lennox dealer for an inspection by a qualified service technician.

Lighting and Operating Information

WARNING

If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life.

BEFORE LIGHTING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor.

The unit is equipped with a gas control knob. Use only your hand to move the gas control knob. Never use tools. If the knob will not move by hand, do not try to repair it. Call a qualified service technician. Force or attempted repair may result in a fire or explosion.

To place G32 furnace into operation:

G32 units are equipped with a SureLightt ignition sys2 tem. Do not attempt to manually light these furnaces. Each time thermostat calls for heat, the burners will be au2 tomatically lit by the ignitor. The ignitor does not get hot when there is no call for heat.

Operating the Gas Valve (Figure 3)

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

2 - Set thermostat to lowest setting. See figure 2.

THERMOSTATS

Figure 2

3 - Turn OFF all electrical power to appliance.

4 - This appliance is equipped with an ignition device which automatically lights the burners. Do not try to light the burners by hand.

5 - Remove upper access panel.

6 - Turn the gas valve knob to OFF. See figure 3.

HONEYWELL VR8205 Series Gas Valve

high fire adjusting screw (under cap)

manifold pressure tap

low fire adjusting screw (under cap)

inlet pressure tap

Gas Valve Shown In OFF Position

 

Figure 3

7 - Wait five (5) 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.

8 - Turn the gas valve knob to ON. Do not force the knob. 9 - Replace the unit access panel.

10 - Turn on all electrical power to the unit.

11 - Set thermostat to desired setting.

NOTE - When the unit is first started, steps 1 through 11 may need to be repeated to purge air from pilot line.

12 - If the appliance still will not operate, follow the in2 structions •Turning Off Gas to the Unit" and call your service technician or gas supplier.

Turning Off Gas to the Unit

1 - Set thermostat to lowest setting.

2 - Turn off all the electrical power to unit if service is to be performed.

3 - Remove the upper access panel.

4 - Turn the gas valve knob to OFF. Do not force the knob.

5 - Replace the upper access panel.

Filters

A filter must be in place any time the unit is operating. Ask your dealer to show you where the filter is located. The filter should be inspected monthly and cleaned when necessary to assure proper furnace operation.

Foam filters may be cleaned for reuse. If replacement is necessary, order Lennox part no. 31J81 for 14 X 25 inch filter used in G32-75 units or P-8-7831 for 20 X 25 inch filter used in G32-100 and -125 units. Use the following procedure to clean filter.

Bottom Return Air Filter Installation (Figure 4)

1 - Turn off electric power to furnace.

2 - Remove blower access panel.

3 - Remove filter by pressing side filter clips and pulling filter up and out. See figure 4.

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Contents G32 Series G32 Parts Identifications SURELIGHTtImportant Directions Carbon monoxide gas is invisible, odorless, and toxicFilters Lighting and Operating InformationThermostats Seasonal Inspections Bottom Return Filter InstallationRemoving / Replacing Filter Door Safety Precautions Service ReminderPlanned Service