Goodman Gas Furnace GCVC960804CN

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 (in seconds)

Enter the number of cubic feet of gas consumed per hour

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

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

Measure the current manifold pressure.

Is the manifold pressure within 3 inches water column of 3.5 inches for natural gas or 10 inches for propane gas?

Adjust the pressure regulator direction

Propane Gas Specific Instructions

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

Adjust the second stage supply line pressure regulator to 10 inches water column with all other gas consuming appliances running.

Media Air Filter or Electronic Air Cleaner Removal

Upright Counterflow Filter Removal

Turn off electrical power to furnace

Remove access door in ductwork above furnace

Inspection of Furnace Components

Check for blockage and/or leakage

Check the outside termination and connections at and internal to the furnace for the flue pipe system

Check the outside termination and connection at the furnace for the combustion air intake pipe system

Inspect heat exchanger for corrosion and/or buildup

Inspect burners for proper ignition, burner flame, and flame sense

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