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24 VAC HOT
R
C
W/W1
Y/Y2
G
R
DH
W2
W1
Y/Y2
BRYANT
NON-PROGRAMMABLE
THERMOSTAT
MODEL AC
FK4C
FAN COIL
AIR
CONDITIONER
C
INDOOR FAN
HEAT STAGE 1
COOL STAGE 1
24 VAC COM
Y1
C
SEE
NOTE 2
G
O
J2 JUMPER
J1 JUMPER
A97363
24 VAC HOT
R
W
Y
G
R
DH
W1
W2
Y/Y2
OTHER
NON-PROGRAMMABLE
AC THERMOSTAT
FK4C
FAN COIL
AIR
CONDITIONER
C
INDOOR FAN
HEAT STAGE 1
COOL STAGE 1
Y1
C
SEE
NOTE 2
G
O
J1 JUMPER
J2
JUMPER
A97365
24 VAC HOT
R
G
W/W1
Y/Y2
O/W2
R
DH
W1
W2
Y/Y2
C
B
S1
S2
BRYANT
PROGRAMMABLE
THERMOSTAT
MODEL AC
FK4C
FAN COIL
AIR
CONDITIONER
G
Y1/W2
L
INDOOR FAN
HEAT STAGE 1
COOL STAGE 1
NOT USED
24 VAC COM
NOT USED
NOT USED
NOT USED
OPTIONAL
OUTDOOR
SENSOR
CONNECTION
C
Y1
O
C
SEE
NOTE 2
J2 JUMPER
J1 JUMPER
A97364
NOTES:
1. BRYANT THERMOSTAT WIRING DIAGRAMS ARE ONLY ACCURATE FOR MODEL NUMBERS TSTAT_______.
2. WIRING MUST CONFORM TO NEC OR LOCAL CODES.
3. SOME UNITS ARE EQUIPPED WITH PRESSURE SWITCH(ES), TEMPERATURE SWITCH, OR 5-MINUTE COMPRESSOR
CYCLE PROTECTION. CONNECT 24-V FIELD WIRING TO FACTORY-PROVIDED STRIPPED LEADS.
4. A LIQUID-LINE SOLENOID VALVE IS REQUIRED ON SOME UNITS. SEE SPECIFIC UNIT INSTRUCTIONS.
5. THERMOSTATS ARE FACTORY CONFIGURED WITH 5-MINUTE COMPRESSOR CYCLE PROTECTION AND 4 CYCLES PER
HOUR LIMIT. SEE THERMOSTAT INSTALLATION INSTRUCTIONS FOR DETAILS.
6. TO STAGE ELECTRIC RESISTANCE HEAT, CONSULT OUTDOOR THERMOSTAT INSTALLATION INSTRUCTIONS.
Fig. 10—Typical 24-v Circuit Connections (Continued)
A97368
LEGEND
24-V FACTORY WIRING
24-V FIELD WIRING
FIELD SPLICE CONNECTION
CONTACTOR
C
© 2001 Bryant Heating & Cooling Systems 7310 W. Morris St. Indianapolis, IN 46231
—12—
Printed in U.S.A. ii550a181 Catalog No. 5355-013