Sample Wiring Diagrams
4 Wire, 1 Stage Cooling, 1 Stage
Residential Heat Pumps, split systems & package units, with no auxiliary heat.
| W |
| Y |
| B |
| O |
| G |
| R |
| 4 Conductor 18 to 22 gauge |
| unshielded cable from the |
| thermostat to the equipment. |
POWER | R |
FAN | G |
REVERSING VALVE | O |
COMPRESSOR | Y |
*For Heat Pump or Electric Heat applications see page 17 or 18 for Jumper configuration.
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