Goodman Gas Furnace AMSS961205DNAA

Ensure all other gas appliances are turned off

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

Record the time taken for the hand on the cubic foot dial to make one complete revolution

Calculate the cubic feet of gas consumed per hour using the 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

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

Disconnect all power before servicing or installing the unit

Ensure multiple power sources are disconnected

Inspect the following components for proper working order

Check flue pipe system for blockage and/or leakage

Check combustion air intake pipe system for blockage and/or leakage

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

Adjust the pressure regulator direction

Re-measure the manifold pressure after adjustment.

Is the final manifold pressure within the acceptable range?

Propane Gas Specific Instructions