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ELECTRICAL WIRING
62
3 Outdoor Units-3Ø, 575V
When the power source is connected In series between the units.
Power supply
3 Phase 3 Wires
60Hz 575V
(Main Switch)
Switch
ELCB
Power supply
1 Phase 60Hz
208/230V
L(L1) N(L2)
Power Line
(3 Wires Cable)
ELCB
Power Line
(2 Wires Cable)
Pull Box
(Installer option)
HR unit
Power Line
(2 Wires Cable)
When the power source is supplied to Each outdoor unit individually.
Power supply
3 Phase 3 Wires
60Hz 575V
(Main Switch)
Switch
ELCB
Power supply
1 Phase 60Hz
208/230V
L(L1) N(L2)
ELCB
Power Line
(2 Wires Cable)
Power Line
(3 Wires Cable)
!
NOTE
- Field Wiring diagram is to be used as a guideline only. Wiring should comply with
applicable local and national codes
- ELCB must have function to prevent electrical short and over current at the same time .
- Use copper wires only.
- Unit must be grounded in compliance with the applicable local and national codes.
- ELCB and fuse/breaker must install to the power line
[Master]
R S T
Pull Box
Pull Box
(Installer option)
(Installer option)
Power Line
Power Line
(2 Wires Cable)
(2 Wires Cable)
[Indoor Units]
R S T
R S T
Switch
Switch
ELCB
ELCB
Pull box
Pull box
(Installer option)
(Installer option)
HR unit
Power Line
Power Line
(2 Wires Cable)
(2 Wires Cable)
[Slave1]
[Slave2]
Communication Line
(2 Wires Cable)
Pull Box
(Installer option)
Power Line
(2 Wires Cable)
Communication Line
(3 Wires Cable)
[Master]
[Slave1]
R S T
Pull box
(Installer option)
Power Line
Power Line
(2 Wires Cable)
(2 Wires Cable)
Communication Line
(3 Wires Cable)
[Indoor Units]
[Slave2]
Communication Line
(2 Wires Cable)

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  • Robert Falco Sep 02, 2019 01:27:
    looking for piping diagram for an LG unit Arum144