Goodman Mfg GPG13 installation manual STARTUP, ADJUSTMENTS, and Checks, PG1348,60***1A only

NOTE: A 180-second anti-short cycle is integral to the control and prevents recycling of the compressor.

FAN ONLY

1.Thermostat calls for FAN ONLY by energizing “G”.

2.Approximately seven seconds later, the indoor fan starts.

3.The indoor fan continues to run for approximately 60 seconds after “G” is de-energized.

*PG13(48,60)***1A ONLY:

1.Thermostat calls for FAN ONLY by energizing “G”.

2.ECM motor is energized almost immediately at approximately 30% of the nominal high stage cooling airflow, depending on setting (see “Blower Speed Adjustment” section).

3.ECM is de-energized almost immediately after “G” is de- energized.

STARTUP, ADJUSTMENTS, AND CHECKS

HEATING STARTUP

This unit is equipped with an electronic ignition device to automatically light the main burners. It also has a power vent blower to exhaust combustion products.

On new installations, or if a major component has been replaced, the operation of the unit must be checked.

Check unit operation as outlined in the following instructions. If any sparking, odors, or unusual sounds are encountered, shut off electrical power and recheck for wiring errors, or obstructions in or near the blower motors. Duct covers must

be removed before operating unit.

Heat Anticipator Setting

Set the heat anticipator on the room thermostat to 0.4 amps to obtain the proper number of heating cycles per hour and to prevent the room temperature from overshooting the room thermostat setting.

Rollout Protection Control

The rollout protection device opens, cutting power to the gas valve, if the flames from the burners are not properly drawn into the heat exchanger. The rollout protection device is located on the burner bracket. The reason for elevated temperatures at the control should be determined and repaired prior to resetting this manual reset control.

WARNING

TO AVOID PROPERTY DAMAGE, PERSONAL INJURY OR DEATH DUE TO FIRE OR EXPLOSION, A QUALIFIED SERVICER MUST INVESTIGATE THE REASON FOR THE ROLLOUT PROTECTION DEVICE TO OPEN BEFORE MANUALLY RESETTING THE ROLLOUT PROTECTION DEVICE.

Rollout Protection

Rollout Protection on Burner Bracket

Secondary Limit Control

The secondary limit control is located on the top of the blower scroll assembly. This control opens when elevated temperatures are sensed. Elevated temperatures at the control are normally caused by blower failure. The reason for the opening should be determined and repaired prior to resetting.

If the power to the unit is interrupted during the heating cycle, it may cause the secondary limit to trip. Once the blower compartment temperature drops below the limit reset temperature, the limit will automatically reset.

Secondary

Control Limit

Back of Unit

Secondary Limit Control

Pre-Operation Checks

1.Close the manual gas valve external to the unit.

2.Turn off the electrical power supply to the unit.

3.Set the room thermostat to its lowest possible setting.

4.Remove the heat exchanger door on the side of the unit by removing screws.

5.This unit is equipped with an ignition device which automatically lights the main burner. DO NOT try to light burner by any other method.

6.Move the gas control valve switch to the OFF position. Do not force.

7.Wait five minutes to clear out any gas.

8.Smell for gas, including near the ground. This is important because some types of gas are heavier than air. If you have waited five minutes and you do smell gas, immediately follow the warnings on page 3 of this manual.

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