Goodman Gas Furnace AMSS921005CNAA

Check for any visible damage to the filter housing

Verify system operation after filter maintenance

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 and electronic cells for cleanliness.

Inspect the accessibility of the media air cleaner for periodic inspection and replacement of the filter cartridge.

Verify the availability of the following filter cartridges for replacement

Ensure all other gas appliances are turned off

Ensure the heating cycle has been in operation for at least fifteen minutes

Record the time (in seconds) for one complete revolution of the cubic foot dial on the gas meter

Enter the number of cubic feet of gas consumed per hour (from gas rate chart)

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

Calculate the BTU input by multiplying the cubic feet of gas consumed per hour by the calorific value

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 ± 3 inches water column)?

Is the manifold pressure within the acceptable range for propane gas (10 ± 3 inches water column)?

Adjust the pressure regulator by turning clockwise to increase pressure and counterclockwise to decrease pressure.

Record the final manifold pressure after adjustment.

Propane Gas Specific Instructions

Turn the furnace on at the thermostat

Wait a few minutes for dust to settle

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

Are the flames not curling, floating, or lifting off the ports?