Goodman Gas Furnace GMSS960402BNAA

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

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

Disconnect all power before servicing or installing the unit.

Check the following furnace components for proper working order and function

Was the ignitor handled with care, avoiding touching the ignitor body with bare fingers?

Was the ignitor protected from rough handling or vibration?

Were all necessary repairs or services performed?

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 by turning clockwise to increase pressure and counterclockwise to decrease pressure.

Record the final manifold pressure after adjustment.

Propane Gas Specific Instructions

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

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.

Ensure the new filter is of the same type and size