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74
ELECTRICAL WIRING
ENGLISH
3 Outdoor Units-3Ø, 460V
When the power source is connected In series between the units.
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]
(Main Switch)
[Slave1] [Slave2]
Pull Box
(Installer option)
Pull Box
(Installer option)
Pull Box
(Installer option)
Pull Box
(Installer option)
HR unit
Switch
ELCB
ELCB
Switch
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)
[Master]
[Indoor Units]
Power supply
3 Phase 3 Wires
60Hz 460V
Power supply
1 Phase 60Hz
208/230V
Power supply
3 Phase 3 Wires
60Hz 460V
Power supply
1 Phase 60Hz
208/230V
(Main Switch)
[Slave1] [Slave2]
Switch Switch
ELCB ELCB ELCB
Pull box
(Installer option)
Pull box
(Installer option)
Pull box
(Installer option)
Power Line
(2 Wires Cable)
HR unit
ELCB
L(L1) N(L2)
L(L1) N(L2)
RST
RST RST RST
When the power source is supplied to Each outdoor unit individually.
NOTE
!
- Field Wiring diagram is to be used as a guideline only. Wiring should comply with applica-
ble 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
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