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Category: Goodman

Goodman

Goodman R-22 AC SERVICING – ECM CFM ADJUSTMENTS

Posted on November 9, 2021 by Jack

MBE MOTOR This section references the operation characteristics of the MBE model motor only. The ECM control board is factory set with the dipswitch #4…

Goodman

Goodman R-22 AC SERVICING – CHECKING ECM MOTOR WINDINGS

Posted on November 9, 2021 by Jack

1. Disconnect the 5-pin and the 16-pin connectors from the ECM power head. 2. Remove the 2 screws securing the ECM power head and separate…

Goodman

Goodman R-22 AC SERVICING – CHECKING FAN AND BLOWER MOTOR WINDINGS

Posted on November 9, 2021November 9, 2021 by Jack

PSC MOTORS The auto reset fan motor overload is designed to protect the motor against high temperature and high amperage conditions by breaking the common…

Goodman

Goodman R-22 AC SERVICING – CHECKING CAPACITOR

Posted on November 9, 2021November 9, 2021 by Jack

CAPACITOR, RUN A run capacitor is wired across the auxiliary and main windings of a single phase permanent split capacitor motor. The capacitors primary function…

Goodman

Goodman R-22 AC SERVICING – CHECKING LOSS OF CHARGE PROTECTOR

Posted on November 8, 2021 by Jack

(Heat Pump Models) The loss of charge protector senses the pressure in the liquid line and will open its contacts on a drop in pressure.…

Goodman

Goodman R-22 Air Conditioners SERVICING – CHECKING VOLTAGE

Posted on November 8, 2021 by Jack

1. Remove outer case, control panel cover, etc., from unit being tested. With power ON: 2. Using a voltmeter, measure the voltage across terminals L1…

Goodman

Goodman R-22 Air Conditioners – AFE18-60A CONTROL BOARD

Posted on November 8, 2021 by Jack

The AFE18 control is designed for use in heat pump applications where the indoor coil is located above/downstream of a gas or fossil fuel furnace.…

Goodman

Goodman R-22 Air Conditioners – COOLING CYCLE

Posted on November 8, 2021 by Jack

When the contacts of the room thermostat close making terminals R to Y & G, the low voltage circuit of the transformer is completed. Current…

Goodman

Goodman R-22 Air Conditioners – HEATING

Posted on November 8, 2021November 8, 2021 by Jack

The heating portion of the refrigeration cycle is similar to the cooling cycle. By energizing the reversing valve solenoid coil, the flow of the refrigerant…

Goodman

Goodman R-22 Air Conditioners – COILS AND BLOWER COILS

Posted on November 8, 2021November 8, 2021 by Jack

MBR/MBE blower cabinets are designed to be used as a two-piece blower and coil combination. MBR/MBE blower sections can be attached to cased evaporator coil.…

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