LG Universal System Air Conditioner - Wiring Diagrams

Ceiling & Floor
Service Manual 37
5. Wiring Diagrams
CONNECTOR NUMBER LOCATION CONNECTOR NUMBER LOCATION
CN-POWER AC POWER SUPPLY CN-TH2 DISCHARGE PIPE SENSOR
CN-MOTOR BLDC FAN MOTOR OUTPUT CN-TH1 PIPE AND ROOM SENSOR
CN-D/PUMP DRAIN PUMP OUTPUT CN-HVB AIR CLEANER
CN-AC/DC AC/DC CONNECTION CN-DOOR STEP MOTOR
CN-DISPLAY DISPLAY CN-U/D1 STEP MOTOR
CN-FLOAT FLOAT SWITCH INUT CN-CC CENTRAL CONTROL
CN-CC
CN-TH1
IN-PIPE
THERMISTOR
ROOM
THERMISTOR
CN-FLOAT
FLOAT S/W
CN-
MOTOR
CN-
DPUMP
DRAIN
PUMP
INDOOR
MOTOR
CAPACITOR
FUSE
BR
BL
GN/YL
RD
3 4
1(L)
2(N)
OPTION
3854A20419D
TO OUTDOOR UNIT
CN-TH2
OUT-PIPE
THERMISTOR
CN-ACDC
CN-UD1
STEP
MOTOR
CN-HVB
A/CL UNIT
HVB
CN-DISP
DISPLAY
PCB ASSY
GN/YL
CENTRAL
CONTROL
CN-ACDC
CN-DOOR
S/W1
S/W2
AC PCB ASSY
DC PCB ASSY
WIRING DIAGRAM
AVNH-EL
A
VNH-BL