LG multi V JRUN Series Installation Manual page 59

2 Outdoor Units-3Ø, 380-415V
■ When the power source is connected
In series between the units.
3 Phase 4 Wires
Power supply
50Hz 380-415V
(Main Switch)
Power supply
1 Phase 50Hz
220-240V
L N
(2 Wires Cable)
Pull Box
(Installer option)
Power Line
(2 Wires Cable)
■
When the power source is supplied to
Each outdoor unit individually.
3 Phase 4 Wires
Power supply
50Hz 380-415V
(Main Switch)
Power supply
1 Phase 50Hz
220-240V
N
L
(2 Wires Cable)
[Master]
R S T N
Switch
Fuse
Power Line
(4 Wires Cable)
Power Line
Pull Box Pull Box
(Installer option) (Installer option)
Power Line Power Line
(2 Wires Cable) (2 Wires Cable)
Communication Line
(3 Wires Cable)
[Indoor Units]
R S T N R S T N
Switch Switch
Fuse Fuse
Power Line
Power Line
(4 Wires Cable)
Pull Box Pull Box
(Installer option) (Installer option)
Power Line Power Line
(2 Wires Cable) (2 Wires Cable)
[Slave]
Communication Line
(2 Wires Cable)
Pull Box
(Installer option)
Power Line
(2 Wires Cable)
[Master] [Slave]
Pull Box
(Installer option)
Power Line
(2 Wires Cable)
Communication Line
(3 Wires Cable)
[Indoor Units]
Electrical Wiring
Communication Line
(2 Wires Cable)
Pull Box
(Installer option)
Power Line
(2 Wires Cable)
Installation Manual 59