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6. Electrical Wiring Diagrams
Outdoor unit
AM072BXVTFH/AA, AM072/096/120BXVTJH/AA
INV PCB1
Printed circuit board (inverter1)
INV PCB2
Printed circuit board (inverter2)
EMI PCB1
Printed circuit board (emi1)
EMI PCB2
Printed circuit board (emi2)
FAN PCB
Printed circuit board (fan motor)
MAIN PCB
Printed circuit board (main)
COMPRSSOR1
Motor (compressor1)
COMPRSSOR2
Motor (compressor2)
FAN1
Motor (fan1)
FAN2
Motor (fan2)
EVI V/V1
Solenode valve (EVI1)
EVI V/V2
Solenode valve (EVI2)
EVI EEV
Electronic expansion valve (EVI)
SNOW SENSOR
SNOW SENSOR
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),
EEV1
Electronic expansion valve 1
EEV2
Electronic expansion valve 2
EVI-OUT(10K)
Thermistor (EVI-out_10kohm)
EVI-IN(10K)
Thermistor (EVI-in_10kohm)
SUCT1(10K)
Thermistor (Suction Temp.1_10Kohm)
SUCT2(10K)
Thermistor (Suction Temp.2_10Kohm)
COND IN(10K)
Thermistor (Cond In Temp._10Kohm)
AIR(10K)
Thermistor (Ambient Temp._10Kohm)
COND(10K)
Thermistor (Cond Out Temp._10Kohm)
TOP1(200K)
Thermistor (Compressor Top 1_200Kohm)
TOP2(200K)
Thermistor (Compressor Top 2_ 2 00Kohm)
DIS1(200K)
Thermistor (Discharge Temp.1_200Kohm)
DIS2(200K)
Thermistor (Discharge Temp.2_200Kohm)
LIQUID(10K)
Thermistor (Liquid Tube Temp._10Kohm)
: connector,
: The wire quantity
HOTGAS1 BYPASS V/V
Solenoid valve (Hot Gas Bypass1)
EVI BYPASS1 V/V
Solenoid valve (EVI BYPASS)
ACCUM OIL RETURN V/V
Solenoid valve (Accumulator Oil Return)
4WAY1 V/V
Solenoid valve (4 Way valve1)
4WAY2 V/V
Solenoid valve (4 Way valve2)
MAIN COOLING
Solenoid valve (Main cooling)
HOTGAS2 BYPASS V/V
Solenoid valve (Hot Gas Bypass2)
OD EEV V/V
Electronic expansion valve (Outdoor EEV)
F101
FUSE (INV PCB)
690V/40A
FUSE (EMI PCB)
MODE SELECTOR
Connector (Remote switching cool/heat selector)
EXTERNAL CONTROL
Connector (Output EXTERNAL CONTROL)
EXTERNAL OUTPUT
Connector (Output EXTERNAL)
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