→
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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