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