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10 | ELECTRICAL WIRING
Power (380-415V~ 50Hz 3-Phase)
Switch / Circuit breaker
Power wiring
(outdoor)
Outdoor
Unit
CCM
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.
•
The outdoor unit should have a separate power supply. Ensure you
consult national electrical guidelines.
5.1 Outdoor Unit Wiring
The Specification of Power
■
Table 5-1
Power Source
Capicity (kW)
Power Wiring Size
Circuit Breaker (A)
Indoor unit/Outdoor unit
Signal wire (mm
)
2
CAUTION
Equipment 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 in
accordance with the National Wiring Regulations.
6 720 874 421 (2017/04) ZA
Power (220-240V~ 50Hz 1-Phase)
Switch / Circuit breaker
Power wiring
(indoor)
Indoor
Indoor
Unit
Unit
220-240V~
1Ph 50Hz
8
12
16
10.5
14
18
10.5
/
/
/
/
/
/
25
40
63
wire distribution box
Indoor
Unit
Communication Bus
For 10.5~18 kw
•
When installing multiple systems, ensure you connect the wires to the
correct system.
•
Use 3 core shielded wire for communication wire between indoor and
outdoor.
•
The installation should comply with local electric standards.
•
Ensure electrical work is carried out by a qualified person.
208-230V~
208-230V 3Ph~
1Ph 60Hz
60Hz
8
12
8
12
14
10.5
14
/
16
/
16
/
/
/
Wire size must comply with local standards
25
40
25
32
3-core shielded wire 3X0.75
The reserved function is indicated in broken line table,users can
select it when necessary.
Indoor/Outdoor Unit communication cable
Communication wires are polarity sensitive.
in broken line table, users can purchase the Central
control montior when necessary. please contact your
local supplier for details.
Central control
Computer
monitor (CCM)
380-415V 3Ph~
380-415V 3Ph~
50Hz
8
12
8
10.5
14
10.5
/
16
/
/
/
18
/
16
25
16
CAUTION
Mini VRF Heat Pump Outdoor Unit
Fig. 5-4
60Hz
12
14
16
/
25
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