LG multi V ARUB160BT3 Instruction Manual page 62

Electrical Wiring
n 2 Outdoor Units-3Ø, 208/230V
■ When the power source is connected
In series between the units.
Power supply
3 Phase 3 Wires
60Hz 208/230V
(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 208/230V
(Main Switch)
Power supply
1 Phase 60Hz
208/230V
L(L1) N(L2)
ELCB
62 Outdoor Unit
R(L1) S(L2) T(L3)
Switch
ELCB
Power Line
(3 Wires Cable)
Power Power Line
(2 Wires (2 Wires Cable)
Pull Box
(Installer option)
(2 Wires C (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
(Installer option)
HR unit
Power Line
(2 Wires Cable)
[Master] [Master] [Slave] [Sla
Pull Box Pull Box
(Installer option) (Installer option)
Power Line Power Line Power L r Line
(2 Wires Cable) (2 Wires Cable) (2 Wires Cab Wire
Com Communication Line
(3 Wires Cable)
[Indoor Units]
[Master]
Pull box Pull box
(Installer option) (Installer option)
Power Line Power Line
(2 Wires Cable)
(2 Wires Cable)
[Indoor Units]
Communication Line nication L
(2 Wires Cable) es Cable
[Slave]
Communication Line
(2 Wires Cable)
Power Line
(2 Wires Cable)
Communication Line
(3 Wires Cable)