Goodman Gas Furnace GMES920805CNAA

Ensure all other gas appliances are turned off

Wait for at least fifteen minutes after the heating cycle has started

Clock the gas meter to determine the time for one complete revolution of the cubic foot dial

Enter the time recorded for one complete revolution of the cubic foot dial (in seconds)

Enter the calorific value of the gas (BTU per cubic foot)

Calculate the cubic feet of gas consumed per hour using the gas rate chart

Turn the furnace on at the thermostat

Wait a few minutes for dust to settle

Check the burner flames for the following characteristics

Are the flames stable, quiet, soft and blue with slightly orange tips?

Are the flames extending directly outward from the burner ports without curling downward, floating or lifting off the ports?

Ensure the air cleaner is installed in the correct position (not with the access door facing down).

Verify the air cleaner is located in the return air duct next to the blower compartment.

Electronic Air Cleaner Inspection

Inspect the accessibility of the electronic air cleaner for periodic inspection and cleaning.

Check the pre-filters for cleanliness and clean if necessary.

Inspect the electronic cells for cleanliness and clean if necessary.

Ensure the media air cleaner is accessible for periodic inspection and replacement of the filter cartridge.

Disconnect all power before servicing or installing the unit

Check the following furnace components for proper working order

Ensure ignitor is handled with care by a qualified servicer

Were all necessary repairs or services completed?

Connect a manometer to the outlet tap at the gas valve before adjusting the pressure regulator.

Record the initial manifold pressure in inches of water column.

Is the manifold pressure within the acceptable range for natural gas (3.5 inches water column) or propane gas (10 inches water column)?

Adjust the pressure regulator on the gas valve.

Record the final manifold pressure in inches of water column after adjustment.

Propane Gas Specific Instructions

Ensure no unit gas valve regulator is used for propane gas.