Carrier Programmable Thermostats - Page 6

→Fig. 9—Two-Speed Air Conditioner
with 2-Stage or Variable-Speed Furnace
—Model 2S Thermostat
A96347
COOL STAGE 1


FAN


HEAT STAGE 1


COOL STAGE 2


HEAT STAGE 2


24 VAC HOT
R
W/W1
Y/Y2
O/W2
Y1/W2
G
24 VAC COMM


N/A


TROUBLE


OUTDOOR

SENSOR

CONNECTION
C
B
L
S1
S2
C
Y2
C
MODEL 2S
THERMOSTAT
TWO-STAGE OR
VARIABLE-SPEED
FURNACE
TWO-SPEED
AIR CONDITIONER
See notes 2 and 6
R
Y1
R
G
L
W/W1
Y/Y2
W2
Y1
*
→Fig. 10—Two-Speed Air Conditioner
with Typical Fan Coil—Model 2S Thermostat
A96348
24 VAC HOT


FAN


HEAT STAGE 1


COOL STAGE 2


HEAT STAGE 2


COOL STAGE 1
R
G
W/W1
Y/Y2
O/W2
Y1/W2
R
G
24 VAC COMM


N/A


TROUBLE


OUTDOOR

SENSOR

CONNECTION
C
B
L
S1
S2
C
Y2
C
MODEL 2S
THERMOSTAT
TYPICAL
FAN COIL
TWO-SPEED
AIR CONDITIONER
See notes 2, 6, and 7
W2
Y/Y2
*
Y1
E
L
*
O
*
R
W3
*
Y1
L
A96349
→Fig. 11—Two-Speed Heat Pump
with Single-Stage Furnace—Model 2S Thermostat
COOL/HEAT
STAGE 1

RVS COOLING


HEAT STAGE 3


COOL/HEAT
STAGE 2

FAN


24 VAC HOT
R
W/W1
Y/Y2
O/W2
Y1/W2
G
24 VAC COMM


RVS HEATING


TROUBLE


OUTDOOR

SENSOR

CONNECTION
C
B
L
S1
S2
C
Y
Y2
C
W2
MODEL 2S
THERMOSTAT
SINGLE-STAGE
FURNACE
TWO-SPEED
HEAT PUMP
See notes 3, 8, and 10
R
Y1
O
R
W3
G
L
W
→Fig. 12—Two-Speed Heat Pump
with 2-Stage or Variable-Speed Furnace
—Model 2S Thermostat
A96350
COOL/HEAT
STAGE 1

RVS COOLING


HEAT STAGE 3


COOL/HEAT
STAGE 2

FAN


24 VAC HOT
R
W/W1
Y/Y2
O/W2
Y1/W2
G
24 VAC COMM


RVS HEATING


TROUBLE


OUTDOOR

SENSOR

CONNECTION
C
B
L
S1
S2
C
Y2
C
W2
MODEL 2S
THERMOSTAT
TWO-STAGE OR
VARIABLE-SPEED
FURNACE
TWO-SPEED
HEAT PUMP
See notes 3, 5, 6, ,8 and 10
R
Y1
OO
R
W3
G
L
W/W1
Y/Y2
W2
Y1
*
*
6