6 720 874 421 (2017/04) ZA
Mini VRF Heat Pump Outdoor Unit
10 | ELECTRICAL WIRING
Outdoor
Unit
Indoor
Unit
Power (220-240V~ 50Hz 1-Phase)
Power wiring
(indoor)
Communication Bus
Indoor
Unit
Indoor
Unit
wire distribution box
Switch / Circuit breaker
Switch / Circuit breaker
Power wiring
(outdoor)
Central control
monitor (CCM)
CCM
Computer
in broken line table, users can purchase the Central
control montior when necessary. please contact your
local supplier for details.
Power (380-415V~ 50Hz 3-Phase)
For 10.5~18 kw
Fig. 5-4
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.
•
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.
5.1 Outdoor Unit Wiring
■
The Specification of Power
Table 5-1
Power Source
220-240V~
1Ph 50Hz
208-230V~
1Ph 60Hz
208-230V 3Ph~
60Hz
380-415V 3Ph~
50Hz
380-415V 3Ph~
60Hz
Capicity (kW)
8
12
16
8
12
8
12
8
12
8
12
10.5
14
18
10.5
14
10.5
14
10.5
14
10.5
14
/
/
/
/
16
/
16
/
16
/
16
/
/
/
/
/
/
/
/
18
/
/
Power Wiring Size
Wire size must comply with local standards
Circuit Breaker (A)
25
40
63
25
40
25
32
16
25
16
25
Indoor unit/Outdoor unit
Signal wire (mm
2
)
3-core shielded wire 3X0.75
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.
CAUTION
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.
