Carrier Standard Programmable Thermostat - Typical Air Conditioner; Typical Heat Only; Typical Heat Pump; Two Zone with Air Conditioner

HEATING
FAN
24 VAC HOT
24 VAC COMM
COOLING
N/A
W
G
R
C
Y
W
G
R
C
Y
C
Y
AC
THERMOSTAT
SINGLE-SPEED
AIR CONDITIONER
TYPICAL
FAN COIL/
FURNACE
* See note 1
*
O
A01399
Fig. 2—Typical Air Conditioner
Fig. 4—Typical Heat Pump
A98217
HEAT STAGE 2
FAN
24 VAC HOT
24 VAC COMM
W
O
G
R
C
Y
W
O
G
R
C
Y
W
O
R
C
Y
HEAT PUMP
THERMOSTAT
SINGLE-SPEED
HEAT PUMP
TYPICAL
FAN COIL
VALVE
REVERSING
HEAT/COOL
STAGE 1
HEATING
FAN
24 VAC HOT
24 VAC COMM
COOLING
N/A
W
G
R
C
Y
W
G
R
C
Y
AC
THERMOSTAT
TYPICAL
FAN COIL/
FURNACE
*
* See note 1
O
A01400
Fig. 3—Typical Heat Only
HEATING
FAN
24 VAC HOT
24 VAC COMM
COOLING
N/A
W
G
R
C
W1
G
R
C
Y
Y
1
AC
THERMOSTAT
TWO-ZONE
THERMOSTAT
INPUT
O
A01401
Fig. 5—Two Zone with Air Conditioner
NOTE: 1. It is recommended to use a 5-wire hookup whenever
possible. However, if “power stealing” connection is used, leave off C
connection between thermostat and equipment.
NOTE: Two Zone applications must use 5-wire hookup.
5