Carrier Thermostat Installation, Start-Up, And Operating Instructions Manual page 7

MODEL AC SINGLE-STAGE
THERMOSTAT
24 VAC HOT R
FAN G
HEAT STAGE 1 W/W1
COOL STAGE 1 Y/Y2
N/A O/W2
N/A Y1/W2
24 VAC COMM C
N/A B
S1
OUTDOOR
SENSOR
S2
CONNECTION
ON
SUGGESTED DIP
SWITCH SETTINGS
A B C D
OFF OFF OFF OFF
Fig. 2—Single-Speed Air Conditioner
with Single-Stage Furnace—Model AC Thermostat
TWO-STAGE OR
MODEL AC
VARIABLE-SPEED
THERMOSTAT
24 VAC HOT R
FAN G
HEAT STAGE 1 W/W1
COOL STAGE 1 Y/Y2
N/A O/W2
N/A Y1/W2
24 VAC COMM C
N/A B
OUTDOOR S1
SENSOR
S2
CONNECTION
ON
SUGGESTED DIP
SWITCH SETTINGS
A B C D
OFF OFF OFF OFF
Fig. 3—Single-Speed Air Conditioner
with 2-Stage or Variable-Speed Furnace
—Model AC Thermostat
SINGLE-SPEED
FURNACE AIR CONDITIONER
R
G
W
Y Y
C C
See note 1
A98485
SINGLE-SPEED
AIR CONDITIONER
FURNACE
R
G
W/W1
Y/Y2 Y
W2
HUM
C C
See notes 1 and 6
MODEL HP
THERMOSTAT
24 VAC HOT
FAN
HEAT STAGE 1
COOL STAGE 1
HEAT STAGE 2
N/A Y1/W2
24 VAC COMM
N/A
OUTDOOR
SENSOR
CONNECTION
ON
A B C
OFF OFF ON OFF
A98486
Fig. 4—Single-Speed Air Conditioner
with 2-Stage or Variable-Speed Furnace
—Model HP Thermostat
7
TWO-STAGE OR
VARIABLE-SPEED
FURNACE
R R
G G
W/W1
W/W1
Y/Y2 Y/Y2
O/W2 W2
HUM
C C
B
S1
See note 2
S2
SUGGESTED DIP
SWITCH SETTINGS
D
SINGLE-SPEED
AIR CONDITIONER
Y
C
A98487