LG ARUM080LTE5 Engineering Product Data Book page 89

Multi V 5
5. Field Wiring
Series Outdoor Unit
 When the power source is connected In series between the units.
Outdoor
Power supply
(3Ø 4wires)
(Main Switch)
R S T N
Switch
Fuse
Indoor
Power supply
(1Ø 2wires)
L N
Power Line
(4 Wires Cable)
Power Line
(2 Wires Cable)
Pull Box
(Installer option)
HR unit
Power Line
(2 Wires Cable)
WARNING
When the total capacity is over than 68Hp, the power source do not use in series between the outdoor
units. The First terminal block could be burnt out.
 When the power source is supplied to Each outdoor unit individually.
Outdoor
Power supply
(3Ø 4wires)
(Main Switch)
R S T N
Switch
Fuse
Indoor
Power supply
(1Ø 2wires)
L N
Power Line
(2 Wires Cable)
Voltage range(V)
Frequency
Outdoor
60Hz 380
50Hz 380-415
82
※ The below System is representative Multi V 5 System.
Actual combination of outdoor unit may be different by product line-up of region.
[Master]
Pull Box
Pull Box
(Installer option)
(Installer option)
Power Line Power Line
(2 Wires Cable) (2 Wires Cable)
[Indoor Units]
R S T N R S T N
Switch Switch
Fuse Fuse
Power Line
(4 Wires Cable)
Pull Box
(Installer option)
Power Line
(2 Wires Cable)
Indoor
220
220-240
[Slave1] [Slave2]
Power Line
(2 Wires Cable)
Communication Line
(3 Wires Cable)
※ The below System is representative Multi V 5 System.
Actual combination of outdoor unit may be different by product line-up of region.
[Master]
R S T N
Switch
Fuse
Pull Box Pull Box
(Installer option) (Installer option)
HR unit
Power Line Power Line
(2 Wires Cable) (2 Wires Cable)
[Indoor Units]
Outdoor Units
[Slave3]
Communication Line
(2 Wires Cable)
Voltage range(V)
Frequency
Outdoor
60Hz 380
50Hz 380-415
[Slave1] [Slave2] [Slave3]
Communication Line
(2 Wires Cable)
Power Line
(2 Wires Cable)
Communication Line
(3 Wires Cable)
Indoor
220
220-240