Split Heat Pump 2H1C - All Electric - Board 77













































































| Submit Your Diagnosis | |
|---|---|
| faulty A92 | |
| faulty A175 | |
| faulty Capacitor | |
| faulty Surge Protector | |
| grounded coil | |
| grounded Crank Case Heater | |
| grounded heater element | |
| grounded safety switch | |
| grounded transformer | |
| grounded winding | |
| grounded wiring | |
| no faults | |
| no power | |
| open circuit breaker | |
| open coil | |
| open contacts | |
| open crankcase heater | |
| open fuse | |
| open heater element | |
| open High Pressure Switch | |
| open limit | |
| open Low Pressure Switch | |
| open winding or overload | |
| open wiring | |
| seizing Compressor | |
| seizing IFM | |
| seizing OFM | |
| welded contacts | |
| Key | |
|---|---|
| A92 | Control - Integrated |
| A175 | Control - Unitary |
| A177 | Outdoor Fan Control |
| B3 | Indoor Blower Motor |
| B4 | Outdoor Blower Motor |
| C1 | Capacitor |
| CB | Circuit Breaker |
| C,R,S | Common, Run, Start - Compressor Terminals |
| COIL | Coil Sensor |
| FLA | Full Load Amps |
| H,C,F | Hermetic, Common, Fan Dual Capacitor terminal F not used |
| HE | Heater Element |
| HP-PS | High Pressure Switch |
| HR1 | Crankcase Heater |
| HUM | Humidifier Terminals |
| JBA | Jumper Bar Assembly |
| K1 | Compressor Contactor |
| K32 | Relay - Electric Heat |
| K33 | Relay - Electric Heat |
| K34 | Relay - Electric Heat |
| L1 | Reversing Valve |
| LO-PS | Low Pressure Switch |
| LVT | Low Voltage Terminals |
| OAS | Outdoor Air Sensor |
| OFM | Outdoor Fan motor |
| S4 | High Pressure Switch |
| S15 | Switch - Limit, Primary, Electric Heat |
| S20 | Switch - Limit, Secondary, Electric Heat |
| S40 | Crankcase Heater Thermostat |
| S87 | Low Pressure Switch |
| SP | Surge Protector |
| P8 | Plug - Electric Heat |
| RT13 | Ambient Sensor |
| RT21 | Coil Sensor |
| SP | Surge Protector |
| T1 | Transformer |
| XFMR | Transformer Line Voltage |