LG multi V ARUB160BT3 Instruction Manual page 67

n 2 Outdoor Units-3Ø, 460V
■ When the power source is connected
In series between the units.
Power supply
3 Phase 3 Wires
60Hz 460V
(Main Switch)
Power supply
1 Phase 60Hz
208/230V
L(L1) N(L2)
ELCB
Pull Box
(Installer option)
Power Line
(2 Wires Cable)
■ When the power source is supplied to
Each outdoor unit individually.
Power supply
3 Phase 3 Wires
60Hz 460V
(Main Switch)
Power supply
1 Phase 60Hz
208/230V
L(L1) N(L2)
ELCB
[Master]
R(L1) S(L2) T(L3)
Switch
ELCB
Power Line
(3 Wires Cable)
Power Line
(2 Wires Cable)
Pull Box Pull Box
(Installer option) (Installer option)
HR unit
Power Line
(2 Wires Cable)
R(L1) S(L2) T(L3) R(L1) S(L2) T(L3)
Switch Switch
ELCB ELCB
Power Line
Power Line
(3 Wires Cable)
(2 Wires Cable)
Pull box Pull box
(Installer option) (Installer option)
HR unit
Power Line
(2 Wires Cable)
[Slave]
Communication Line
(2 Wires Cable)
Pull Box
(Installer option)
Power Line Power Line
(2 Wires Cable) (2 Wires Cable)
Communication Line
(3 Wires Cable)
[Indoor Units]
[Master] [Slave]
Pull box
(Installer option)
Power Line
Power Line
(2 Wires Cable)
(2 Wires Cable)
[Indoor Units]
Electrical Wiring
Communication Line
(2 Wires Cable)
Power Line
(2 Wires Cable)
Communication Line
(3 Wires Cable)
Installation Manual 67