Sample Wiring Diagrams
4 Wire, 1 Stage Cooling, 1 Stage Gas Heat | Residential Gas or Electric Heat *, |
Electric Cool, split systems & package
| units | |
| W | |
| Y | |
| B | |
| O | |
| G | |
| R | |
| 4 Conductor 18 to 22 gauge | |
| unshielded cable from the | |
| thermostat to the equipment. | |
POWER | R | |
FAN | G | |
COOLING | Y | |
GAS OR | W | |
ELECTRIC HEAT | ||
|
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