York Heat Pump: THGD Re: Technical Data 2Ton 2.5Ton 3Ton 3.5Ton 4Ton 5Ton R-22 8lb-13oz 9lbs-0oz 9lb-7oz 9lb-12oz 13lb-9oz 13lb-6oz MOP 15 20 30 50 50 50 Lineset 3/8 & 3/4 3/8 & 3/4 3/8 & 3/4 3/8 & 7/8 3/8...

York Heat Pump: THGD Re: Not Defrosting / Frozen The THGD models may use either a Time & Temperature or Demand Defrost control board. Qty Possible Causes: Bad Defrost Stat Bad Condenser Fan Motor Bad Fan Capacitor Bad Defrost Board Low...

York Heat Pump: THGD Re: Outdoor Unit Running Continuous/Over-Heating The customer reports that the indoor and outdoor unit are running continuous and overheating the space. Qty Possible Causes: 1 Stuck Contactor Bad Thermostat Shorted Control Wire ...

York Heat Pump: THGD Re: Blowing Hot Air - Cooling Qty Possible Causes: No 24V on "O" Bad Reversing Valve 1 Loose Wire on Reversing Valve Heater Stuck On CHECKOUT: 1. Check Refrigerant Pressures With the outdoor unit operating, hook...

York Heat Pump: THGD Re: Contactor Won't Energize The contactor on the outdoor unit doesn't pull-in. No Compressor Operation No Outdoor Fan Operation Qty Possible Causes: 2 Bad Hi Pressure Switch Bad Low Pressure Switch 1 Wrong Defrost Pin Selection...