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Fig. 7—Typical 24-v Circuit Connections (Continued)
A95282
G
W2
C
R
FAN COIL
C
G
Y
W
R
24 VAC HOT
HEAT STAGE 1
COOL STAGE 1
INDOOR FAN
AIR
CONDITIONER
SEE
NOTE 2
FA, FB, FC,
FD, FF
NON-CORPORATE
NON-PROGRAMMABLE
THERMOSTAT
MODEL AC
A95502
C
24 VAC HOT
CORPORATE
NON-PROGRAMMABLE
THERMOSTAT
MODEL AC
FK4C
FAN COIL
AIR
CONDITIONER
HEAT STAGE 1
COOL STAGE 1
INDOOR FAN
SEE
NOTE
2
Y/Y2
W1
C
W/W1
G
Y/Y2
R
C
O
W2
Y1
G
R
24 VAC COM
D
H
A95283
G
W/W1
C
R
C
G
Y
W
R
24 VAC HOT
HEAT STAGE 1
COOL STAGE 1
INDOOR FAN
NON-CORPORATE
NON-PROGRAMMABLE
THERMOSTAT
MODEL AC
AIR
CONDITIONER
SEE
NOTE 2
Y/Y2
SINGLE
STAGE
FURNACE
A95503
C
24 VAC HOT
CORPORATE
PROGRAMMABLE
THERMOSTAT
MODEL AC
FK4C
FAN COIL
AIR
CONDITIONER
HEAT STAGE 1
COOL STAGE 1
NOT USED
SEE
NOTE
2
Y/Y2
W1
G
W/W1
O/W2
Y/Y2
R
G
W2
Y1
C
O
R
INDOOR FAN
24 VAC COM
NOT USED
NOT USED
C
L
B
COOL STAGE 1
INDOOR FAN
S2
S1
Y1/W2
NOT USED
D
H
7