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→ Table 2—Programmable Thermostat Quick Reference
THERMOSTAT OUTPUT
TSTAT Model Outdoor Unit
AC/HP
Configuration
(Switch C)
Staging
Configuration
(Switch D)
24v
Hot
Common Fan
Heat
Stage 1
Heat
Stage 2
Heat Stage 3 Heat Stage 4 Cool Stage 1
Cool
Stage 2
Reversing Valve
AC01-B AC EITHER EITHER R C G W/W1 N/A N/A N/A Y/Y2 N/A N/A
HP01-B HP OFF EITHER R C G Y/Y2 W/W1 N/A N/A Y/Y2 N/A O/W2
HP01-B AC ON EITHER R C G
W/W1
O/W2 N/A N/A Y/Y2 N/A N/A
2S01-B 2-Speed AC ON EITHER R C G
W/W1
O/W2 N/A N/A Y1/W2 Y/Y2 N/A
2S01-B 2-Speed HP OFF OFF R C G Y1/W2 Y/Y2 W/W1 N/A Y1/W2 Y/Y2 O/W2
2S01-B *1-Speed HP OFF ON R C G Y/Y2 W/W1 Y1/W2† W/W1, Y1/W2 Y/Y2 N/A O/W2
†Y1/W2 is on without W/W1
AC = Air conditioner, HP = Heat pump, 2S = 2-speed, N/A = Not applicable, * = Intelligent Heat option
Model Numbers: TSTAT--PAC01-B, TSTAT-PHP01-B, TSTAT--P2S01-B
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