Wiring Diagrams - LG multi V PLUS Service Manual

Wiring Diagrams

7. Wiring Diagrams
CONNECTOR NUMBER SPEC
CN-POWER AC POWER SUPPLY
CN-MOTOR2 AC FAN MOTOR OUTPUT
CN-COM COMMUNICATION
CN-LEV LEV OUTPUT
CN-D1 DISPLAY
CN-D2 DISPLAY
CN-LR1 STEP MOTOR
CN-LR2 STEP MOTOR
CN-UD STEP MOTOR
CN-TH1 ROOM/PIPE SENSOR
CN-TH2 DISCHARGE PIPE SENSOR
CN-MOTOR1 AC FAN MOTOR OUTPUT
176 Indoor Unit
TEMP.
THERMISTOR
CAPACITOR
CN-ROOM CN-PIPE
BR YL
CN-MOTOR
BK
INDOOR
OR
MOTOR
CN-D/PUMP
DRAIN
PUMP
CN-POWER
FUSE T3.15A
CN-COMM
BUS-A
BUS-B
BR BL WH BK
1(L) 2(N) 3(A) 4(B)
POWER
TO OUTDOOR UNIT
INPUT
(OR TO OUTDOOR UNIT)
PIPE IN
FLOAT S/W
THERMISTOR
CN-FLOAT
MAIN PCB ASSY
MOTOR
CN-DISP
DISPLAY PCB ASSY
3854A20238C
COLOR DESCRIPTION
WHITE AC POWER LINE INPUT FOR INDOOR CONTROLLER
WHITE MOTOR OUTPUT OF PHASE CONTROL
WHITE COMMUNICATION BETWEEN INDOOR AND OUTDOOR
WHITE LEV CONTROL OUTPUT
BLUE DISPLAY OF INDOOR STATUS
WHITE DISPLAY OF INDOOR STATUS
WHITE STEP MOTOR OUTPUT FOR LEFT/RIGHT
WHITE STEP MOTOR OUTPUT FOR LEFT/RIGHT
BLUE STEP MOTOR OUTPUT
WHITE ROOM AND PIPE THERMISTOR
RED DISCHARGE PIPE THERMISTOR
YELLOW MOTOR OUTPUT OF PHASE CONTROL
LEV
STEP
REMOTE
CONTROL