Goodman Mfg ANSI Z21.47CSA-2.3 installation instructions Burner Flame

Disposable return air filters are supplied with this unit. See the unit Specification Sheet or Technical Manual for the cor- rect size and part number. To remove the filters, remove the filter access panel on return side of the unit.

CABINET FINISH MAINTENANCE

Use a fine grade automotive wax on the cabinet finish to maintain the finish’s original high luster. This is especially important in installations with extended periods of direct sun- light.

CLEAN OUTSIDE COIL (QUALIFIED SERVICER ONLY)

The coil with the outside air flowing over it should be inspected annually and cleaned as frequently as necessary to keep the finned areas free of lint, hair and debris.

CONDENSER, EVAPORATOR, AND INDUCED DRAFT MOTORS

Bearings on the air circulating blower motor, condenser mo- tor and the combustion fan motor are permanently lubricated. No additional oiling is required.

FLAME SENSOR (QUALIFIED SERVICER ONLY)

A drop in the flame current can be caused by a nearly invis- ible coating on the flame sensor. This coating, created by the fuel or combustion air supply, can be removed by carefully cleaning the flame sensor with steel wool.

NOTE: After cleaning, the microamp signal should be stable and in the range of 4 - 6 microamps DC.

FLUE PASSAGES (QUALIFIED SERVICER ONLY)

At the start of each heating season, inspect and, if neces- sary, clean the unit flue passage.

LUBRICATION

The fan shaft bearings, the 1 to 2 HP supply fan motors the condenser fan motors and compressors are permanently lu- bricated.

INSPECTION & CLEANING

All flue product carrying areas of the furnace, its vent sys- tem, and main burners should be examined by a qualified service agency before the start of each heating season. This examination is necessary for continued safe operation. Par- ticular attention should be given to deterioration from corro- sion or other sources. This examination is accomplished in the following manner.

1.Disconnect power to the unit and remove furnace section access panel.

2.Remove burner assembly:

a.Disconnect the three wires from the gas valve after noting which wires are connected to each terminal.

b.Disconnect wires from the flame rod and ignition electrode.

c.Disconnect the gas piping at the union.

d.The entire burner assembly can now be removed from the unit.

NOTE: Use all screws that were removed; they are necessary for safe and proper operation of the unit.

3.Inspect and periodically clean the vent outlet (bird screen) on the access panel.

NOTE: Periodic observation of the flame and a log of C02 measurements are recommended. This will aid in determining whether the furnace is operating efficiently or if the furnace requires cleaning.

Flames should be stable, soft and blue (dust may cause or- ange tips but must not be yellow). The flames must extend directly outward from the burner without curling, floating or lifting off.

BURNER FLAME

WARNING

TO AVOID PERSONAL INJURY OR DEATH DUE TO ELECTRIC SHOCK, DO NOT REMOVE ANY INTERNAL COMPARTMENT COVERS OR ATTEMPT ANY ADJUSTMENT. CONTACT A QUALIFIED SERVICER AT ONCE IF AN ABNORMAL FLAME SHOULD DEVELOP.

At least once a year, prior to or during the heating season, make a visual check of the burner flames.

NOTE: This will involve removing and reinstalling the heat exchanger door on the unit, which is held by two screws. If you are uncertain about your ability to do this, contact a qualified servicer.

If a strong wind is blowing, it may alter the airflow pattern within the unit enough that an inspection of the burner flames is not possible.

FUNCTIONAL PARTS

Refer to the unit Parts Catalog for a list of functional parts. Parts are available from your distributor.

23