Lennox Gas Furnace GHR32Q5-100

Inspect filters for dirt and debris

Are the filters reusable foam filters?

Wash reusable foam filters with water and mild detergent

Dry the filters completely before reinstallation

Spray filters with filter handicoater

Is filter replacement necessary?

Turn off electrical and gas power supplies to furnace.

Remove upper and lower furnace access panels.

Disconnect and remove intake pipe from air intake fitting.

Mark all gas valve wires and disconnect them from valve.

Remove gas supply line connected to gas valve.

Disconnect gas valve sensing hose from valve.

Remove burner box cover (4 to 6 screws).

Check all wiring for loose connections

Check circuit breaker located in unit control box

Enter the voltage at unit (unit operating)

Is the heat operating (if applicable)?

Supply Air Blower Inspection and Cleaning

Verify motors are prelubricated for extended life

Check all connections for tightness

Ensure there is no blockage in the intake and exhaust lines

Check if the condensate line has free flow during operation