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8 ELECTRICAL WIRING
CAUTION
● Please select power source for indoor unit and outdoor unit
respectively.
● The power supply has specified branch circuit with leakage
protector and manual switch.
● Outdoor unit and indoor unit conncet with required power
supply which is 220-240V~ 50Hz or 380-415V 3N~ 50Hz.
● Use 3-core screened wire as indoor and outdoor control wire.
● The installation should comply with relevant national electric
standard.
● Power wiring should be engaged by specialized electrician.
8.1 Outdoor Unit Wiring
1) The Specification of Power
Capicity(kW)
Phase
Voltage and
Outdoor
Frequency
Unit
Power
Power Wiring
(mm
2
)
Circuit Breaker (A)
Indoor/Outdoor unit
Signal wire (mm
)
2
(Weak electric signal)
Flexible cord must meet 60245IEC(H05RN-F) standards.
CAUTION
CEquipment complying with IEC 61000-3-12.
● A disconnection device having an air gap contact separation in
all active conductors should be incorporated in the fixed wiring
according to the National Wiring Regulation.
Power (220-240V~ 50Hz)
or (380-415V 3N~ 50Hz)
Switch / Circuit breaker
Power wiring
(outdoor)
Outdoor
Unit
Communication Bus
4~8
10~16
12~16
1 Phase
3 Phase
380-415V
220-240V 50Hz
3X2.5
3X4.0
32
40
3-core shielded wire
3X0.75
Power (220-240V~ 50Hz)
or (380-415V 3N~ 50Hz)
Leakage protection
switch
Switch / Circuit breaker
Power wiring
(indoor)
Indoor
Unit
4~16kW
L
Power Supply
Power Supply
L1 L2
Power Supply
Power Supply
A
●
The reserved function is indicated in broken line table, users
50Hz
can select it when necessary.
*
To prevent interference with communication, increase a magnetic
ring inside and outside communication line (around 1 lap).
5X2.5
32
2) Indoor/Outdoor Unit Signal Wire
Wrong connection may cause malfunction.
3) Wiring Connection
Seal the wiring connection with the insulation material , or
the condensing dew will be caused.
8.2 Indoor Unit Wiring
1) Power Supply
Capicity(kW)
Indoor Unit
Power
Circuit Breaker (A)
Indoor Unit /Outdoor Unit
Signal Wire (mm
(Weak electric signal)
● When power cord is parallel with signal wire, please put them
into separate wire distribution pipes, and leave a proper
distance.
● (Reference distance: It is 300mm when current capacity of
power cord is less than 10A, or 500mm when 50A).
8
N
Outdoor Unit
3x0.75mm
2
3x4.0mm
(3-shield wire)
2
3x2.5mm
L
N
Indoor Unit
L3
N
Outdoor Unit
3x0.75mm
2
5x2.5mm
(3-shield wire)
2
5x2.5mm
B
C
N
Indoor Unit
CAUTION
Phase
1-Phase or 3 Phase
Voltage and
220-240V 50Hz
Frequency
380-415V 50Hz
Power Wiring
3X2.5(1phase) or 5X2.5(3 phase)
(mm
2
)
3-core shielded wire
2
)
CAUTION
P
Q
E
2
*
P
Q
E
P
Q
E
2
P
Q
E
4~16
32
3X0.75
V.2
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