Carrier 38BRW Installation And Start-Up Instructions Manual page 5

CORPORATE
NON-PROGRAMMABLE
THERMOSTAT
MODEL AC
R
24 VAC HOT
C
24 VAC COM
HEAT STAGE 1 W/W1
COOL STAGE 1 Y/Y2
INDOOR FAN
G
CORPORATE
PROGRAMMABLE
THERMOSTAT
MODEL AC
FURNACE
24 VAC HOT R
INDOOR FAN
G
HEAT STAGE 1
W/W1
COOL STAGE 1
Y/Y2
NOT USED
O/W2
NOT USED Y1/W2
24 VAC COM
C
NOT USED
B
NOT USED
L
OPTIONAL
S1
OUTDOOR
SENSOR
S2
CONNECTION
SINGLE
AIR
STAGE
CONDITIONER
FURNACE
R
C
SEE
W/W1 C
NOTE 2
Y/Y2
G
A94384
SINGLE
AIR
STAGE
CONDITIONER
R
G
W/W1
Y/Y2
SEE
C
NOTE 2
C
A94386
Fig. 5—Typical 24-v Circuit Connections
CORPORATE
NON-PROGRAMMABLE
THERMOSTAT
MODEL AC
R
24 VAC HOT
24 VAC COM
W/W1
HEAT STAGE 1
Y/Y2
COOL STAGE 1
G
INDOOR FAN
CORPORATE
PROGRAMMABLE
THERMOSTAT
MODEL AC
24 VAC HOT R
INDOOR FAN
HEAT STAGE 1
W/W1
COOL STAGE 1
Y/Y2
NOT USED
O/W2
Y1/W2
NOT USED
24 VAC COM
C
NOT USED
NOT USED
OPTIONAL
S1
OUTDOOR
SENSOR
S2
CONNECTION
5
FA, FB, FC,
FD, FF
AIR
CONDITIONER
FAN COIL
R
C
C
C
NOTE 2
W2
G
FA, FB, FC,
FD, FF AIR
CONDITIONER
FAN COIL
R
G G
W2
NOTE 2
C
C
B
L
SEE
A94385
SEE
A94387