Carrier Thermostat User Manual
Page 8
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Fig. 7—Single-Speed Heat Pump
with Typical Fan Coil—Model HP Thermostat
A98490
24 VAC HOT
FAN
RVS COOLING
COOL /HEAT
STAGE 1
HEAT STAGE 2
N/A
R
G
W/W1
Y/Y2
O/W2
Y1/W2
R
G
24 VAC COMM
N/A
OUTDOOR
SENSOR
CONNECTION
C
B
S1
S2
C
Y
C
MODEL HP
THERMOSTAT
TYPICAL
FAN COIL
SINGLE-SPEED
HEAT PUMP
See notes 3, 7, and 8
Y
W2
*
W3
E
R
O
W2
SUGGESTED DIP
SWITCH SETTINGS
ON
A
B
C
D
OFF OFF OFF OFF
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Fig. 5—Single-Speed Air Conditioner
with Typical Fan Coil—Model AC Thermostat
(Single-Stage Heat Control)
A98488
24 VAC HOT
FAN
COOL STAGE 1
HEAT STAGE 1
N/A
N/A
R
G
W/W1
Y/Y2
O/W2
Y1/W2
R
G
24 VAC COMM
N/A
OUTDOOR
SENSOR
CONNECTION
C
B
S1
S2
C
Y
C
MODEL AC
THERMOSTAT
TYPICAL
FAN COIL
SINGLE-SPEED
AIR CONDITIONER
See notes 1, 7, and 8
Y
W2
W3
*
E
SUGGESTED DIP
SWITCH SETTINGS
ON
A
B
C
D
OFF OFF OFF OFF
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Fig. 8—Two-Speed Air Conditioner
with Single-Stage Furnace—Model 2S Thermostat
A98491
COOL STAGE 1
FAN
HEAT STAGE 1
COOL STAGE 2
N/A
24 VAC HOT
R
W/W1
Y/Y2
O/W2
Y1/W2
G
24 VAC COMM
N/A
OUTDOOR
SENSOR
CONNECTION
C
B
S1
S2
C
Y2
C
MODEL 2S
THERMOSTAT
SINGLE-STAGE
FURNACE
TWO-SPEED
AIR CONDITIONER
See note 2
W
R
Y1
R
G
Y
SUGGESTED DIP
SWITCH SETTINGS
ON
A
B
C
D
OFF OFF
ON OFF
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Fig. 6—Single-Speed Air Conditioner
with Typical Fan Coil—Model HP Thermostat
(Dual-Stage Heat Control)
A98489
24 VAC HOT
FAN
HEAT STAGE 1
COOL STAGE 1
HEAT STAGE 2
N/A
R
G
W/W1
Y/Y2
O/W2
Y1/W2
R
G
24 VAC COMM
N/A
OUTDOOR
SENSOR
CONNECTION
C
B
S1
S2
C
Y
C
MODEL HP
THERMOSTAT
TYPICAL
FAN COIL
SINGLE-SPEED
AIR CONDITIONER
See notes 2, 7, and 8
W2
Y
W3
*
E
SUGGESTED DIP
SWITCH SETTINGS
ON
A
B
C
D
OFF OFF
ON OFF
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