Goodman Heat Pump: GS13 Re: Time & Temperature Defrost Board The Goodman GS13 Heat Pump uses a Time & Temperature Defrost Board. A defrost thermostat mounted to the outdoor coil closes at approximately 30 deg. and opens at approximately 60 deg. An adjustable setting on the board...

Goodman Heat Pump: GS13 Re: Won't Defrost The Goodman GS13 Heat Pump uses a Time & Temperature Defrost Board. A defrost thermostat mounted to the outdoor coil closes at approximately 30 deg. and opens at approximately 60 deg. An adjustable setting on the board allows adjustment of the...

Goodman Heat Pump: GS*13 Re: Out of Freon / Low on Freon Qty Possible Causes: 3 Leak in Outdoor Coil Leak in Indoor Coil

Goodman Heat Pump: GSZ13 Re: Low Voltage Short Qty Possible Causes: 1 Shorted Low Pressure Switch Wires Shorted Contactor CHECKOUT: