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6. Electrical Wiring Diagrams
Outdoor unit
• AM160~180MXVDGH
INV PBA1
Printed circuit board (inverter1)
EEV1
Electronic expansion valve 1
LIQUID(10K)
Thermistor (Liquid Tube Temp._10Kohm)
INV PBA2
Printed circuit board (inverter2)
EEV2
Electronic expansion valve 2
HOTGAS1 V/V
Solenoid valve (Hot Gas Bypass1)
EMI PBA1
Printed circuit board (emi1)
EVI-OUT(10K)
Thermistor (EVI-out_10kohm)
EVI BYPASS V/V
Solenoid valve (EVI BYPASS)
EMI PBA2
Printed circuit board (emi2)
EVI-IN(10K)
Thermistor (EVI-in_10kohm)
RETURN V/V
Solenoid valve (Accumulator Oil Return)
FAN PBA
Printed circuit board (fan motor)
SUCTION1(10K)
Thermistor (Suction Temp.1_10Kohm)
4WAY V/V
Solenoid valve (4 Way valve)
MAIN PBA
Printed circuit board (main)
SUCTION2(10K)
Thermistor (Suction Temp.2_10Kohm)
CCH1
Crank Case Heater (Compressor1)
HUB PBA
Printed circuit board (hub)
SNOW SENSOR
SNOW SENSOR
CCH2
Crank Case Heater (Compressor2)
COMM PBA
Printed circuit board (communication)
OIL-COMP1
Oil-Sensor (Compressor1)
MAIN COOLING
Solenoid valve (Main cooling)
COMP1
Motor (compressor1)
OIL-COMP2
Oil-Sensor (Compressor2)
HOTGAS2 V/V
Solenoid valve (Hot Gas Bypass2)
COMP2
Motor (compressor2)
OUT(10K)
Thermistor (Ambient Temp._10Kohm)
OD EEV V/V
Solenoid valve (Outdoor EEV)
FAN1
Motor (fan1)
COND(10K)
Thermistor (Cond Out Temp._10Kohm)
F101
FUSE (Inverter PBA)
FAN2
Motor (fan2)
TOP1(200K)
Thermistor (Compressor Top 1_200Kohm)
690V/T56A
FUSE (EMI PBA)
EVI V/V 1
Solenode valve (EVI1)
TOP2(200K)
Thermistor (Compressor Top 2_200Kohm)
MODE CHANGE
Connector (Remote switching cool/heat selector)
EVI V/V 2
Solenode valve (EVI2)
DIS1(200K)
Thermistor (Discharge Temp.1_200Kohm)
EXT CON
Connector (Output EXT CON)
EVI EEV
Electronic expansion valve (EVI)
DIS2(200K)
Thermistor (Discharge Temp.2_200Kohm)
ERROR/COMP EXT
Connector (Output ERROR/COMP EXT CON)
NOTE
• This wiring diagram applies only to the outdoor unit.
• Colors blk: black, red: red, blu: blue, wht: white, yel: yellow, brn: brown, sky: skyblue
• When operating, don’t shortcircuit the protection device (High Pressure switch)
• For connection wiring indoor-outdoor transmission F1-F2, outdoor_outdoor transmission OF1-OF2, refer to
the installation manual.
•
Protective earth(screw),
: connector,
: The wire quantity