Carrier 38BRC - Manual (Page 5)

Fig. 5—Typical 24v Circuit Connections
A01341
24 VAC HOT R
G
W/W1
Y/Y2
O/W2
R
W2
C
B
S1
S2
CARRIER
PROGRAMMABLE
THERMOSTAT
MODEL AC
FA, FB,
FC, FD, FF
FAN COIL
AIR
CONDITIONER
G
Y1/W2
L
INDOOR FAN
HEAT STAGE 1
COOL STAGE 1
NOT USED
24 VAC COM
NOT USED
NOT USED
NOT USED
OPTIONAL
OUTDOOR
SENSOR
CONNECTION
C
C
24 VAC HOT R
G
W/W1
Y/Y2
O/W2
R
W
Y
C
B
S1
S2
CARRIER
PROGRAMMABLE
THERMOSTAT
MODEL AC
SINGLE-STAGE
FURNACE
AIR
CONDITIONER
G
Y1/W2
L
INDOOR FAN
HEAT STAGE 1
COOL STAGE 1
NOT USED
24 VAC COM
NOT USED
NOT USED
NOT USED
OPTIONAL
OUTDOOR
SENSOR
CONNECTION
C
C
24 VAC HOT
24 VAC COM
R
C
G
W/W1
Y/Y2
R
C
C
CARRIER
NON-PROGRAMMABLE
THERMOSTAT
MODEL AC
FA, FB, FC,
FD, FF
FAN COIL
AIR
CONDITIONER
G
W2 HEAT STAGE 1
COOL STAGE 1
INDOOR FAN
24 VAC HOT
24 VAC COM
R
C
G
W/W1
Y/Y2
R
C
C
CARRIER
NON-PROGRAMMABLE
THERMOSTAT
MODEL AC
SINGLE-STAGE
FURNACE
AIR
CONDITIONER
Y
G
W HEAT STAGE 1
COOL STAGE 1
INDOOR FAN
24 VAC HOT R
W
Y
G
R
W
Y
OTHER
NON-PROGRAMMABLE
AC THERMOSTAT
SINGLE-STAGE
FURNACE
AIR
CONDITIONER
C
INDOOR FAN
HEAT STAGE 1
COOL STAGE 1
C
G
24 VAC HOT R
G
W
Y
R
C
C
OTHER
NON-PROGRAMMABLE
AC THERMOSTAT
FA, FB, FC,
FD, FF
FAN COIL
AIR
CONDITIONER
G
W2 HEAT STAGE 1
COOL STAGE 1
INDOOR FAN
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