Carrier 38CKG Installation And Start-Up Instructions Manual page 9

CARRIER
NON-PROGRAMMABLE
FK4C
THERMOSTAT
MODEL AC FAN COIL
DH
24 VAC HOT R
R
C
24 VAC COM
C
HEAT STAGE 1 W/W1
W1
Y/Y2
COOL STAGE 1
W2
Y/Y2
G
INDOOR FAN
G
O
Y1
OTHER
NON-PROGRAMMABLE
FK4C
AC THERMOSTAT
FAN COIL
DH
24 VAC HOT R
HEAT STAGE 1 W
Y
COOL STAGE 1
G
INDOOR FAN
Y/Y2
NOTES:
1. CARRIER THERMOSTAT-WIRING DIAGRAMS ARE ONLY ACCURATE FOR MODEL NUMBERS BEGINNING WITH 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. THERMOSTATS ARE FACTORY CONFIGURED WITH 5–MINUTE COMPRESSOR-CYCLE PROTECTION AND 4–CYCLES–PER-
–HOUR LIMIT. SEE THERMOSTAT-INSTALLATION INSTRUCTIONS FOR DETAILS.
5. TO STAGE ELECTRIC-RESISTANCE HEAT, CONSULT OUTDOOR THERMOSTAT-INSTALLATION INSTRUCTIONS.
6. A LIQUID LINE SOLENOID VALVE IS REQUIRED ON SOME UNITS. SEE SPECIFIC UNIT INSTRUCTIONS.
AIR
CONDITIONER
J1 JUMPER
J2 JUMPER
SEE
C
NOTE 2
AIR
CONDITIONER
J1 JUMPER
R
C
J2
JUMPER
W1
SEE
C
NOTE 2
W2
G
O
Y1
24-V FACTORY WIRING
24-V FIELD WIRING
FIELD SPLICE CONNECTION
C
CONTACTOR
Fig. 7—Typical 24–v Circuit Connections (Continued)
CARRIER
PROGRAMMABLE
THERMOSTAT
MODEL AC
24 VAC HOT
INDOOR FAN
HEAT STAGE 1
COOL STAGE 1
NOT USED
NOT USED
24 VAC COM
A97471
NOT USED
NOT USED
OPTIONAL
OUTDOOR
SENSOR
CONNECTION
A97365
LEGEND
9
AIR
FK4C
CONDITIONER
FAN COIL
DH
R
R
G
J1 JUMPER
G
W/W1
J2 JUMPER
W1
Y/Y2
W2
O/W2
Y/Y2
Y1/W2
C
C
Y1
B
O
L
S1
S2
SEE
C
NOTE 2
A97472
A97368