Table of Contents
Advertisement
BRYANT
PROGRAMMABLE
THERMOSTAT
FK4C
MODEL 2S
FAN COIL
24 VAC HOT
R
FAN
G
COOL STAGE 1
Y1/W2
COOL STAGE 2
Y/Y2
HEAT STAGE 1
W/W1
HEAT STAGE 2
O/W2
24 VAC COMM
C
N/A
B
OUTDOOR
S1
SENSOR
CONNECTION
S2
BRYANT
THERMIDISTAT
FAN COIL
CONTROL
HEAT STAGE 2
O/W2
HEAT STAGE 1
W/W1
COOL STAGE 1
Y1/W2
COOL STAGE 2
Y/Y2
FAN
G
24 VAC HOT
R
DHUM
DEHUMIDIFY
C
24 VAC COMM
HUM
HUMIDIFY
B
N/A
S1
OUTDOOR
SENSOR
S2
CONNECTION
See notes 8, 10, 11, 12, 16, and 19
TWO-SPEED
AIR CONDITIONER
DH
J1
JUMPER
R
R
G
Y1
Y1
Y/Y2
Y2
REMOVE
W1
J2 JUMPER
FOR HEAT
STAGING
W2
C
C
O
L
See notes 6, 8, and 19
E
FK4C
TWO-SPEED
AIR CONDITIONER
W2
REMOVE J2 JUMPER
FOR HEAT STAGING
W1
Y1
Y1
Y2
Y/Y2
G
R
R
REMOVE
O
J1 JUMPER
DH
C
C
HUMIDIFIER
(24 VAC)
OUTDOOR
SENSOR
G
Fig. 7—Typical 24-v Circuit Connections (Continued)
BRYANT
NON-PROGRAMMABLE
THERMOSTAT
MODEL 2S
24 VAC HOT
24 VAC COMM
FAN
COOL STAGE 2
HEAT STAGE 1
HEAT STAGE 2
COOL STAGE 1
N/A
OUTDOOR
SENSOR
CONNECTION
A97449
OTHER BRAND
TWO-SPEED
THERMOSTATS
24 VAC HOT
24 VAC COM
FAN
COOL STAGE 2
HEAT STAGE 1
HEAT STAGE 2
COOL STAGE 1
A97465
—6—
FK4C
FAN COIL
DH
J1 JUMPER
R
R
C
C
G
G
Y/Y2
Y/Y2
W/W1
W1
REMOVE
J2 JUMPER
FOR HEAT
O/W2
W2
STAGING
Y1
Y1
O
B
S1
See notes 8, 9, 16, and 19
S2
F
FK4C
FAN COIL
DH
J1 JUMPER
R
R
C
C
G
G
Y/Y2
Y2
W1
W
REMOVE
J2 JUMPER
FOR HEAT
STAGING
W2
W2
Y1
Y1
O
See notes 8 and 19
H
TWO-SPEED
AIR CONDITIONER
R
C
Y2
Y1
L
A97454
TWO-SPEED
AIR CONDITIONER
R
C
Y2
Y1
L
A97459
Advertisement
Table of Contents
