Carrier 50JS Installation, Start-Up And Service Instructions Manual page 9

LEGEND
FIELD SPLICE AHA
C
TERMINAL (MARKED)
CAP
TERMINAL (UNMARKED)
CB
SPLICE
COMP
SPLICE (MARKED)
CTD
FACTORY WIRING
DB
FIELD CONTROL WIRING
DFT
FIELD POWER WIRING DR
EQUIP
ACCESSORY OR OPTIONAL
FU
WIRING
GND
TO INDICATE COMMON
HR
POTENTIAL ONLY:
HTR
NOT TO REPRESENT WIRING
IFM
LPS
OFM
QT
RVS
S.B.
TC
TDR
TH
TRAN
NOTES:
1. IF ANY OF THE ORIGINAL WIRES FURNISHED ARE REPLACED, IT MUST BE
REPLACED WITH TYPE 90 DEGREE C WIRE OR IT'S EQUIVALENT.
2. SEE PRICE PAGES FOR THERMOSTAT AND SUBBASES.
3. USE 75 DEGREE COPPER CONDUCTORS FOR FIELD INSTALLATION.
4. FOR HIGH SPEED IFM, DISCONNECT RED
WIRE FROM TDR 3 AND CONNECT BLK WIRE FROM IFM.
FOR MEDIUM SPEED, DISCONNECT RED WIRE
FROM TDR 3 AND CONNECT BLU WIRE FROM IFM.
5. DEFROST TIMER TO BE SET AT 90 MINUTES EXCEPT FOR 50JS048, 060 MODELS
SET AT 50 MINUTES.
Fig. 12—Wiring Schematics
9
ADJUSTABLE HEAT ANTICIPATOR
CONTACTOR
CAPACITOR
CIRCUIT BREAKER
COMPRESSOR MOTOR
COMPRESSOR TIME DELAY
DEFROST BOARD
DEFROST THERMOSTAT
DEFROST RELAY
EQUIPMENT
FUSE
GROUND
HEATER RELAY
HEATER
INDOOR FAN MOTOR
LOW PRESSURE SWITCH
OUTDOOR FAN MOTOR
QUADRUPLE TERMINAL
REVERSING VALVE SOLENOID
SLOW BLOW FUSE
THERMOSTAT - COOLING
TIME DELAY RELAY
THERMOSTAT - HEATING
TRANSFORMER
A00073