LG MULTI V IV PRO ARUN080LLH4 Installation Manual page 78

ELECTRICAL WIRING
78
Display
Master Outdoor Unit Inverter Com-
1
pressor DC link Low Voltage
Slave1 Outdoor Unit Inverter Com-
2 3 2
pressor DC link Low Voltage
Slave2 Outdoor Unit Inverter Com-
3
pressor DC link Low Voltage
Master Outdoor Unit High Pressure
1
Switch
Slave1 Outdoor Unit High Pressure
2 4 2
Switch
Slave2 Outdoor Unit High Pressure
3
Switch
Master Outdoor Unit Input Voltage
1
High/ Low Voltage
Slave1 Outdoor Unit Input Voltage
2 5 2
High/ Low Voltage
Slave2 Outdoor Unit Input Voltage
3
High/ Low Voltage
Master Outdoor Unit Inverter Com-
1
pressor Start Failure
Slave1 Outdoor Unit Inverter Com-
2 6 2
pressor Start Failure
Slave2 Outdoor Unit Inverter Com-
3
pressor Start Failure
Master Outdoor Unit Inverter Com-
1
pressor Over Current
Slave1 Outdoor Unit Inverter Com-
2 9 2
pressor Over Current
Slave2 Outdoor Unit Inverter Com-
3
pressor Over Current
Title
DC charging is not performed at Master Outdoor
Unit after starting relay turn on.
DC charging is not performed at Slave1 Outdoor
Unit after starting relay turn on.
DC charging is not performed at Slave2 Outdoor
Unit after starting relay turn on.
System is turned off by Master Outdoor Unit high
pressure switch.
System is turned off by slave1 Outdoor Unit high
pressure switch.
System is turned off by slave2 Outdoor Unit high
pressure switch.
Master Outdoor Unit input voltage is over 487V or
below 270V
Slave1 Outdoor Unit input voltage is over 487V or
below 270V
Slave2 Outdoor Unit input voltage is over 487V or
below 270V
The First Start Failure by Master Outdoor Unit In-
verter Compressor Abnormality
The First Start Failure by Slave1 Outdoor Unit In-
verter Compressor Abnormality
The First Start Failure by Slave2 Outdoor Unit In-
verter Compressor Abnormality
Master Outdoor Unit Inverter Compressor Fault
OR Drive Fault
Slave1 Outdoor Unit Inverter Compressor Fault OR
Drive Fault
Slave2 Outdoor Unit Inverter Compressor Fault OR
Drive Fault
Cause of Error