LG Multi V ARUB Series - Page 71

Installation Manual 71
ENGLISH
n 4 Outdoor Units - 3Ø, 460V
n When the power source is connected In series between the units.
n When the power source is supplied to Each outdoor unit individually.
Communication Line
(2 Wires Cable)
Power Line
(3 Wires Cable)
Communication Line
(3 Wires Cable)
Power Line
(2 Wires Cable)
Power Line
(2 Wires Cable)
Power Line
(2 Wires Cable)
Power Line
(2 Wires Cable)
Power Line
(2 Wires Cable)
[Master]
[Indoor Units]
Power supply
3 Phase 3 Wires
60Hz 460V
Power supply
1 Phase 60Hz
220V
(Main Switch)
[Slave1] [Slave2] [Slave3]
Pull Box
(Installer option)
Pull Box
(Installer option)
Pull Box
(Installer option)
Pull Box
(Installer option)
HR unit
R S T
Switch
Fuse
L(L1) N(L2)
Communication Line
(2 Wires Cable)
Power Line
(3 Wires Cable)
Communication Line
(3 Wires Cable)
Power Line
(2 Wires Cable)
Power Line
(2 Wires Cable)
Power Line
(2 Wires Cable)
Power Line
(2 Wires Cable)
Power Line
(2 Wires Cable)
[Master]
[Indoor Units]
Power supply
3 Phase 3 Wires
60Hz 460V
Power supply
1 Phase 60Hz
220V
(Main Switch)
[Slave1] [Slave2] [Slave3]
Pull Box
(Installer option)
Pull Box
(Installer option)
Pull Box
(Installer option)
Pull Box
(Installer option)
HR unit
R S T
Switch
Fuse
R S T
Switch
Fuse
R S T
Switch
Fuse
R S T
Switch
Fuse
L(L1)
N(L2)
WARNING
When the total capacity is over than as follow, the power source do not use in series between the units.
The First terminal block could be burnt out.
Electrical Wiring