→TABLE 2ÐPROGRAMMABLE THERMOSTAT QUICK REFERENCE
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| THERMOSTAT OUTPUT |
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| TSTAT Model |
| AC/HP | Staging | 24v | Common | Fan | Heat | Heat | Heat Stage 3 | Heat Stage 4 | Cool Stage 1 | Cool | Reversing Valve |
| Outdoor Unit | Configuration | Configuration | |||||||||||
| Hot | Stage 1 | Stage 2 | Stage 2 | ||||||||||
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| (Switch C) | (Switch D) |
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Ð6Ð | AC | EITHER | EITHER | R | C | G | W/W1 | N/A | N/A | N/A | Y/Y2 | N/A | N/A | |
HP | OFF | EITHER | R | C | G | W/W1 | W/W1 | N/A | N/A | Y/Y2 | N/A | O/W2 | ||
| Y/Y2 | |||||||||||||
| AC | ON | EITHER | R | C | G |
| O/W2 | N/A | N/A | Y/Y2 | N/A | N/A | |
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| ON | EITHER | R | C | G | W/W1 | O/W2 | N/A | N/A | Y1/W2 | Y/Y2 | N/A | ||
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| OFF | OFF | R | C | G | Y1/W2 | Y/Y2 | W/W1 | N/A | Y1/W2 | Y/Y2 | O/W2 | ||
| OFF | ON | R | C | G | Y/Y2 | W/W1 | Y1/W2² | W/W1, Y1/W2 | Y/Y2 | N/A | O/W2 |
²Y1/W2 is on without W/W1
AC = Air conditioner, HP = Heat pump, 2S =