Goodman Gas Furnace GMSS920603BNAA

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

Check accessibility for periodic inspection and cleaning of pre-filters and electronic cells.

Inspect and clean the pre-filters.

Inspect and clean the electronic cells.

Check accessibility for periodic inspection and replacement of the Media Air Cleaner filter cartridge.

Check for any visible damage to the filter housing

Verify system operation after filter maintenance

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.

HIGH VOLTAGE: Electrical components are contained in both compartments. To avoid electrical shock, injury or death, do not remove any internal compartment covers or attempt any adjustment. Contact a qualified service agent at once if an abnormal flame appearance should develop.

Turn the furnace on at the thermostat and wait a few minutes for any dislodged dust to settle.

Check that the burner flames are stable, quiet, soft, and blue with slightly orange tips.

Ensure the flames are not yellow.

Verify that the flames extend directly outward from the burner ports without curling downward, floating, or lifting off the ports.

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 calorific value of the gas (BTU per cubic foot)

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

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