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| W1 |
| W1 |
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| W2 |
| W2 |
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| Y1 |
| Y1 |
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| The thermostat must provide a “G” signal | ||
| G |
| G |
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| Y2 |
| OCC |
| when there is a call for “W1.”The unit control | ||
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| UNITCONTROL | board will energize the indoor blower when | ||
| RH |
| REMOTE MINPOS | ||||
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| the thermostat calls for “W2” during the anti- | ||||
| C |
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| BOARD | the compressors are energized; however, if | ||
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| Y2 |
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| RC |
| installed) will be energized immediately | ||||
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| X |
| upon the call for “W2.” | ||
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| R |
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| SD |
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| C |
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TERMINALBLOCKTB1 |
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FIGURE 18 - FIELD WIRING 24 VOLT THERMOSTAT |
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GROUNDLUG | FIELDSUPPLIED | TREHASE |
DISCONNECT | ||
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| POWER |
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| SUPPLY |
FIGURE 19 - FIELD WIRING DISCONNECT
Unitary Products Group | 17 |