LG multi V PLUS

240 Outdoor Unit
Wiring Diagrams
Inverter Board
Main Board
CONNECTOR No. SPEC COLOR DESCRIPTION
CN1 POWER YL AC POWER
CN2 DC-LINK RD DC LINK VOLTAGE DETECT
CN3 WRITE WH ON BOARD WRITING
CN4 H/P, M GRAY HIGH PRESSURE MAGNETIC SWITCH
CN5 PHASE NT 3 PHASE DETECT
CN6 SIGNAL RD TRANXMISSION WITH CONTROL BOARD
CN10, 11, 12 IPM WH PWM SIGNAL
CN13 IPM WH PWM CONTROL POWER
CONNECTOR No. SPEC COLOR DESCRIPTION
CN01 AC POWER IN NT AC POWER
CN02 AC TRANS IN NT AC POWER TO TRANS
CN03 AC TRANS OUT YL AC POWER FROM TRANS
CN04 4WAY BK 4WAY REVERSING VALVE
CN05 LIQ(I) RD INVERTER COMP LIQUID INJECTION VALVE
CN06 LIQ(C) GY CONSTANT COMP LIQUID INJECTION VALVE
CN07 HEATER(I) YL INVERTER COMP CRANK HEATER
CN08 HEATER(C) WH CONSTANT COMP CRANK HEATER
CN10 HOT-GAS GR HOT GAS BYPASS VALVE
CN11 OILPASS(I) BL NOT USE
CN12 OILPASS(C) OR NOT USE
CN14 MAGNET(C) BR MAGNETIC SWITCH
CN15 COOLING FAN YL HEATSINK FAN
CN16 LEV-OUT RD LINEAR EXPANSION VALVE(MAIN)
CN17 LEV-SC BL LINEAR EXPANSION VALVE(SUBCOOLING CIRCUIT)
CN18 TO-JIG NT TRANSMISSION WITH JIG
CN19 CEN-CONTROL/WRITE BL TRANSMISSION WITH CENTRAL CONTROLLER
CN20 TO FAN BOARD BL TRANSMISSION WITH FAN BOARD
CN21 TO INVERTER BOARD RD TRANSMISSION WITH INVERTER BOARD
CN22 TO INDOOR UNIT WH TRANSMISSION WITH INDOOR UNIT
CN23 TO SUB OUTDOOR BK TRANSMISSION WITH SUB OUTDOOR UNIT
OUT-AIR OUTDOOR AIR THERMISTOR
CN25 S_PIPE(I) BK INVERTER COMP SUCTION PIPE THERMISTOR
D_PIPE(C) CONSTANT COMP DISCHARGE PIPE THERMISTOR
D_PIPE(I) INVERTER COMP DISCHARGE PIPE THERMISTOR
CN26 HEX_PIPE(C) VT CONDENSOR PIPE THERMISTOR(C)
HEX_PIPE(I) CONDENSOR PIPE THERMISTOR(I)
SC-OUT SUBCOOLING CIRCUIT OUTLET PIPE THERMISTOR
CN27 SC-IN YL SUBCOOLING CIRCUIT INLET PIPE THERMISTOR
SC-L SUBCOOLING CIRCUIT LIQUID PIPE THERMISTOR
CN28 P-SEN(H) RD HIGH PRESSURE SENSOR
CN29 P-SEN(L) BL LOW PRESSURE SENSOR
JIG 1 JIG WH JIG POWER
JIG 2 JIG WH JIG POWER