Carrier 38CMC Installation And Start-Up Instructions Manual page 8

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
W1
Y
COOL STAGE 1
W2
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.
Copyright 1997 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1 4
PC 101 Catalog No. 563-840
Tab 3a 2a
AIR
CONDITIONER
J1 JUMPER
J2 JUMPER
SEE
C
NOTE 2
AIR
CONDITIONER
J1 JUMPER
R
C
J2
JUMPER
SEE
C
NOTE 2
G
O
Y1
24 VOLT FACTORY WIRING
24 VOLT FIELD WIRING
FIELD SPLICE CONNECTION
C
CONTACTOR
Fig. 5—Typical 24-v Circuit Connections (Continued)
Printed in U.S.A.
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
Form 38CMC-1SI
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
A97368
Pg 8 9-97 Replaces: 38BRC-1SI/38-7SM
AIR
SEE
C
NOTE 2
A97472
38cmc1si