Carrier instruction manual → ÐProgrammable Thermostat Quick Reference, Thermostat Output

→Table 2ÐProgrammable Thermostat Quick Reference

THERMOSTAT OUTPUT

TSTAT Model

AC/HP

Staging

24v

Heat

Heat

Cool

Outdoor Unit

Configuration

Configuration

Common

Fan

Heat Stage 3

Heat Stage 4

Cool Stage 1

Reversing Valve

Hot

Stage 1

Stage 2

Stage 2

(Switch C)

(Switch D)

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

6

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/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 = 2-speed, N/A = Not applicable, * = Intelligent Heat option Model Numbers: TSTAT--PAC01-B, TSTAT-PHP01-B, TSTAT--P2S01-B