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Fig. 7—Typical 24-v Circuit Connections
C
A97464
O/W2
Y1/W2
W/W1
G
R
E
W3
BRYANT
THERMIDISTAT
CONTROL
TYPICAL
FAN COIL
TWO-SPEED
AIR CONDITIONER
W2
G
C
Y2
R
Y1
C
DHUM
HUM
B
S1
S2
Y
R
C
HEAT STAGE 2
HEAT STAGE 1
COOL STAGE 2
COOL STAGE 1
FAN
24 VAC HOT
24 VAC COMM
N/A
HUMIDIFY
N/A
OUTDOOR
SENSOR
CONNECTION
Y/Y2
HUMIDIFIER
(24 VAC)
OUTDOOR
SENSOR
See notes 8, 11, 12, and 16
A
A97448
24 VAC HOT
FAN
HEAT STAGE 1
COOL STAGE 2
HEAT STAGE 2
COOL STAGE 1
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
Y2
C
BRYANT
PROGRAMMABLE
THERMOSTAT
MODEL 2S
TYPICAL
FAN COIL
TWO-SPEED
AIR CONDITIONER
See notes 6 and 8
W2
Y
E
R
W3
Y1
L
H
R1
D
A97458
R
C
C
Y1
TYPICAL
FAN COIL
TWO-SPEED
AIR CONDITIONER
See note 8
Y
G
W2
R
Y2
E
W3
L
H
R1
24 VAC HOT
24 VAC COM
HEAT STAGE 1
COOL STAGE 2
FAN
R
C
G
W
Y2
Y1
OTHER BRAND
TWO-SPEED
THERMOSTATS
COOL STAGE 1
B
A97453
24 VAC HOT
24 VAC COMM
HEAT STAGE 1
COOL STAGE 2
FAN
R
C
G
W/W1
Y/Y2
R
C
HEAT STAGE 2
COOL STAGE 1
N/A
OUTDOOR
SENSOR
CONNECTION
Y1
B
S1
S2
C
Y1
BRYANT
NON-PROGRAMMABLE
THERMOSTAT
MODEL 2S
TYPICAL
FAN COIL
TWO-SPEED
AIR CONDITIONER
See notes 8, 9, and 16
Y
G
O/W2
W2
R
Y2
E
W3
L
H
R1
—5—