Wiring Diagrams - LG multi V PLUS Service Manual

Wiring Diagrams

7. Wiring Diagrams
FAN
MOTOR
GN/YL
BR YL
SH-CAPA
BR BL WH BK
1(L) 2(N) 3 4
POWER
TO OUTDOOR UNIT
INPUT
CONNECTOR NUMBER SPEC
CONNECTOR NUMBER SPEC
CN-POWER AC POWER SUPPLY
CN-MOTOR AC FAN MOTOR OUTPUT
CN-COM COMMUNICATION
CN-LEV LEV OUTPUT
CN-L/R STEP MOTOR
CN-U/D STEP MOTOR
CN-TH1 ROOM/PIPE SENSOR
CN-TH2 DISCHARGE PIPE SENSOR
CN-SUC STEP MOTOR(FRONT)
CN-HVB AIR PURIFIER
CN-VFD DISPLAY
CN-CON SAFETY CONNECTION
CN_AC/DC AC/DC CONNECTION
138 Indoor Unit
AC PWB ASM
TRIAC
OR
BK
FUSE
250V AC/T2A
BUS-A
BUS-B
FORCED
OPERATION
S/W
DC PWB ASM
CN-LEV
CN-MAIN
CONNECTOR
PWB ASM
CN-STEP1 CN-STEP2
STEP
MOTOR-1 MOTOR-2
COLOR DESCRIPTION
COLOR DESCRIPTION
BLACK AC POWER LINE INPUT FOR INDOOR CONTROLLER
WHITE MOTOR OUTPUT OF PHASE CONTROL
BLACK COMMUNICATION BETWEEN INDOOR AND OUTDOOR
WHITE LEV CONTROL OUTPUT
BLUE STEP MOTOR OUTPUT FOR LEFT/RIGHT
WHITE STEP MOTOR OUTPUT
WHITE ROOM & PIPE THERMISTOR
RED DISCHARGE PIPE THERMISTOR
GRAY FRONT PANEL STEP MOTOR
BLUE AIR PURIFIER OUTPUT
WHITE DISPLAY OF INDOOR STATUS
GRAY SAFETY OF INDOOR STATUS
GRAY CONNECTION BETWEEN AC PCB AND DC PCB
STEP
MOTOR
STEP
MOTOR
RD RD
H.V.
A/CL
ASM
BK BK
ROOM SENSOR
PIPE-IN SENSOR
PIPE-OUT
SENSOR
DISPLAY
LIMIT S/W1
LIMIT S/W2
STEP
3854A20315L