Carrier A94134 Installation, Start-Up, And Operating Instructions Manual page 5

MODEL AC
THERMOSTAT
24 VAC HOT
R
24 VAC COMM
C
HEAT STAGE 1 W/W1
COOL STAGE 1
Y/Y2
FAN
G
Fig. 4—Single-Speed Air Conditioner with Typical
Fan Coil
TWO-STAGE OR
MODEL HP
VARIABLE-SPEED
THERMOSTAT
24 VAC HOT
R
24 VAC COMM
C
HEAT STAGE 1 W/W1
COOL STAGE 1
Y/Y2
FAN
G
HEAT STAGE 2
O/W2
N/A
Y1
N/A
B
TROUBLE OR
L
CLEAN FILTER
S1
OUTDOOR
SENSOR
S2
CONNECTION
Fig. 5—Single-Speed Air Conditioner with 2-Stage
or Variable-Speed Furnace
TYPICAL
SINGLE-SPEED
FAN COIL
AIR CONDITIONER
R
C
C
W2
*
Y/Y2 Y
G
W3
*
Y1
See note 5
*
O
*
L
E
A94278
SINGLE-SPEED
AIR CONDITIONER
FURNACE
R
C
C
W/W1
Y/Y2
Y
G
W2
See notes 2, 3, and 8
A94279
MODEL HP
THERMOSTAT
24 VAC HOT
R
24 VAC COMM
C
HEAT STAGE 1 W/W1
COOL STAGE 1
Y/Y2
FAN
G
HEAT STAGE 2
O/W2
N/A
Y1
N/A
B
TROUBLE OR
L
CLEAN FILTER
OUTDOOR S1
SENSOR
S2
CONNECTION
Fig. 6—Single-Speed Air Conditioner with Typical
MODEL HP
THERMOSTAT
24 VAC HOT
R
24 VAC COMM
C
HEAT STAGE 2 W/W1
COOL/ HEAT
Y/Y2
STAGE 1
G
FAN
RVS COOLING
O/W2
N/A
Y1
RVS HEATING
B
TROUBLE OR
L
CLEAN FILTER
OUTDOOR S1
SENSOR
S2
CONNECTION
Fig. 7—Single-Speed Heat Pump with Typical
5
TYPICAL SINGLE-SPEED
FAN COIL AIR CONDITIONER
R
C
C
W2
*
Y/Y2
Y
G
W3
*
Y1
*
O
*
L
See notes 2, 3, 5, and 8
E
Fan Coil
TYPICAL
SINGLE-SPEED
FAN COIL
HEAT PUMP
R
R
C
C
W2 W2
*
Y/Y2
Y
G
W3
*
O O
*
Y1
E
*
L
See notes 5, 6, and 8
Fan Coil
A94280
A94281