Samsung AM BXVGFH/AA Series Technical Data Book page 46

6. Electrical Wiring Diagrams
Outdoor unit
AM072BXVGFH/AA, AM072BXVGJH/AA
INV PCB Printed circuit board (inverter)
EMI PCB Printed circuit board (emi)
MAIN PCB Printed circuit board (main)
COMPRESSOR Motor (compressor)
FAN1 Motor (fan1)
EVI V/V1 Solenode valve (EVI1)
EVI V/V2 Solenode valve (EVI2)
EVI EEV Electronic expansion valve (EVI)
EEV1 Electronic expansion valve 1
EEV2 Electronic expansion valve 2
OD EEV V/V Electronic expansion valve (Outdoor EEV)
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),
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)
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_200Kohm)
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)
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)