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Series outdoor units
When the power source is connected In series between the units.
Outdoor
Power supply
(3Ø 4wires)
(Main Switch)
R S T N
Switch
Fuse
Indoor
Power supply
(1Ø 2wires)
L
N
Power cable
(4 Wires Cable)
Power cable
(2 Wires Cable)
Pull Box
Pull Box
(Installer option)
(Installer option)
Power cable
Power cable
(2 Wires Cable)
(2 Wires Cable)
Communication cable
(3 Wires Cable)
WARNING
!
When the total capacity is over than as follow, the power source do not use in series be-
tween the units.
The First terminal block could be burnt out. (Heat Pump : 68 Hp)
When the power source is supplied to Each outdoor unit individually.
Outdoor
Power supply
(3Ø 4wires)
(Main Switch)
R S T N
Switch
Fuse
Indoor
Power supply
(1Ø 2wires)
L
N
Power cable
(2 Wires Cable)
Voltage range(V)
Frequency
Outdoor
Indoor
60Hz
380V
220V
50Hz
380~415V 220~240V
[Master]
Pull Box
(Installer option)
Power cable
(2 Wires Cable)
[Indoor Units]
R S T N
R S T N
Switch
Switch
Switch
Fuse
Fuse
Fuse
Power cable
(4 Wires Cable)
Pull Box
Pull Box
(Installer option)
(Installer option)
Power cable
(2 Wires Cable)
(2 Wires Cable)
[Slave1]
[Slave2]
Pull Box
(Installer option)
Power cable
(2 Wires Cable)
[Master]
R S T N
Pull Box
(Installer option)
Power cable
Power cable
(2 Wires Cable)
Communication cable
(3 Wires Cable)
[Indoor Units]
ELECTRICAL WIRING
[Slave3]
Communication cable
(2 Wires Cable)
Voltage range(V)
Frequency
Outdoor
60Hz
380V
50Hz
380-415V 220-240V
[Slave1]
[Slave2]
[Slave3]
Communication cable
(2 Wires Cable)
Pull Box
(Installer option)
Power cable
(2 Wires Cable)
61
Indoor
220V
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