LG ARUM080LTE5 Engineering Product Data Book page 92

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 Pull Box
(Installer option) (Installer option)
Power Line Power Line
(2 Wires Cable) (2 Wires Cable)
Communication Line
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)
N
L
Power Line
(2 Wires Cable)
Voltage range(V)
Frequency
Outdoor Indoor
60Hz 380V 220V
50Hz 380-415V 220-240V
[Master]
Pull Box
(Installer option)
Power Line
(2 Wires Cable)
(3 Wires Cable)
[Indoor Units]
R S T N R S T N
Switch Switch Switch
Fuse Fuse
Power Line
(4 Wires Cable)
Pull Box Pull Box
(Installer option) (Installer option)
Power Line
(2 Wires Cable)
[Slave1] [Slave2]
Power Line
(2 Wires Cable)
[Master]
R S T N
Fuse
Pull Box
(Installer option)
Power Line Power Line
(2 Wires Cable) (2 Wires Cable)
Communication Line
(3 Wires Cable)
[Indoor Units]
Outdoor Units
[Slave3]
Communication Line
(2 Wires Cable)
Voltage range(V)
Frequency
Outdoor
60Hz 380V
50Hz 380-415V 220-240V
[Slave1] [Slave2] [Slave3]
Communication Line
(2 Wires Cable)
Power Line
(2 Wires Cable)
Indoor
220V
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