LG Multi V Installation Manual

94 Outdoor Unit
Test Run
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 pres-
sure switch.
System is turned off by slave1 Outdoor Unit high pres-
sure switch.
System is turned off by slave2 Outdoor Unit high pres-
sure switch.
Master Outdoor Unit(208/230V) input voltage is over 300V or below 140V
Master Outdoor Unit(460V) input voltage is over 487V or below 270V
Slave1 Outdoor Unit(208/230V) input voltage is over 300V or below 140V
Slave1 Outdoor Unit(460V) input voltage is over 487V or below 270V
Slave2 Outdoor Unit(208/230V) input voltage is over 300V or below 140V
Slave2 Outdoor Unit(460V) input voltage is over 487V or below 270V
The First Start Failure by Master Outdoor Unit Inverter
Compressor Abnormality
The First Start Failure by Slave1 Outdoor Unit Inverter
Compressor Abnormality
The First Start Failure by Slave2 Outdoor Unit Inverter
Compressor Abnormality
System is turned off by Master Outdoor Unit DC Volt-
age Over Charging
System is turned off by Slave1 Outdoor Unit DC Volt-
age Over Charging
System is turned off by Slave2 Outdoor Unit DC Volt-
age Over Charging
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
Master Outdoor Unit Inverter Com-
pressor DC link Low Voltage
Slave1 Outdoor Unit Inverter Com-
pressor DC link Low Voltage
Slave2 Outdoor Unit Inverter Com-
pressor DC link Low Voltage
Master Outdoor Unit High Pres-
sure Switch
Slave1 Outdoor Unit High Pres-
sure Switch
Slave2 Outdoor Unit High Pres-
sure Switch
Master Outdoor Unit Input Voltage
High/ Low Voltage
Slave1 Outdoor Unit Input Voltage
High/ Low Voltage
Slave2 Outdoor Unit Input Voltage
High/ Low Voltage
Master Outdoor Unit Inverter Com-
pressor Start Failure
Slave1 Outdoor Unit Inverter Com-
pressor Start Failure
Slave2 Outdoor Unit Inverter Com-
pressor Start Failure
Master Outdoor Unit Inverter DC
link High Voltage
Slave1 Outdoor Unit Inverter DC
link High Voltage
Slave2 Outdoor Unit Inverter DC
link High Voltage
Master Outdoor Unit Inverter Com-
pressor Over Current
Slave1 Outdoor Unit Inverter Com-
pressor Over Current
Slave2 Outdoor Unit Inverter Com-
pressor Over Current
Display Title Cause of Error
1
2 3 2
3
1
2 4 2
3
1
2 5 2
3
1
2 6 2
3
1
2 8 2
3
1
2 9 2
3
Outdoor unit related error
System is turned off by Master Outdoor Uunit Constant Speed Com-
pressor2 High Discharge Temperature
System is turned off by Slave1 Outdoor Unit Constant Speed Com-
pressor2 High Discharge Temperature
System is turned off by Slave2 Outdoor Unit Constant Speed Com-
pressor2 High Discharge Temperature
System is turned off by Master Outdoor Unit Inverter Compressor
High Discharge Temperature
System is turned off by Slave1 Outdoor Unit Inverter Compressor
High Discharge Temperature
System is turned off by Slave2 Outdoor Unit Inverter Compressor
High Discharge Temperature
Master Outdoor Unit Constant Speed Com-
pressor2 High Discharge Temperature
Slave1 Outdoor Unit Constant Speed Com-
pressor2 High Discharge Temperature
Slave2 Outdoor Unit Constant Speed Com-
pressor2 High Discharge Temperature
Master Outdoor Unit Inverter Compressor
High Discharge Temperature
Slave1 Outdoor Unit Inverter Compressor
High Discharge Temperature
Slave2 Outdoor Unit Inverter Compressor
Discharge High Temperature
1
3 0 2
3
1
3 2 2
3

LG Multi V Specifications

General

Type	VRF (Variable Refrigerant Flow)
Compressor Type	Scroll
Refrigerant	R410A
Energy Efficiency	High
Control System	Centralized and individual control options
Indoor Units	Multiple types available (e.g., ceiling cassette, wall-mounted, ducted)