274
3
2
1
3
2
1
L
N
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
ti
n
u
r
o
o
d
n
i
e
h
t
n
o
s
l
a
n
i
m
r
e
T
Colour of wires (Connection cable)
Terminals on the outdoor unit
(Power supply cord)
(UNIT A)
(UNIT B)
(UNIT C)
(UNIT D)
Terminals on the isolating devices
(Disconnecting means)
(L) (N)
CU-4Z80***
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
ti
n
u
r
o
o
d
n
i
e
h
t
n
o
s
l
a
n
i
m
r
e
T
Colour of wires (Connection cable)
Terminals on the outdoor unit
L
N
(Power supply cord)
(UNIT A)
(UNIT B)
(UNIT C)
(UNIT D)
(UNIT E)
Terminals on the isolating devices
(Disconnecting means)
(L) (N)
CU-5Z90***
Remarks:
It is the responsibility of the installer or user of the equipment to ensure, by consultation with the suitable
distribution/supply network operator if necessary, that the equipment should be connected only to a supply with,
-
Short-circuit power Ssc ≥ 2750kW
-
Service current capacity ≥ 100A per phase
The equipment complies with IEC/EN 61000-3-11 and IEC/EN 61000-3-12. Please liaise with supply authority to
ensure that the above items at the interface point are sufficient for the installation of the equipment.
CU-4Z80***
Unit D
Unit C
Unit A
Unit B
Indoor & Outdoor connection cable
Power Supply Cord
Isolating
Devices
Indoor
Unit A
Indoor
Unit D
Indoor
Unit B
Indoor
Unit C
CU-5Z90***
Unit E
Unit D
Unit C
Unit A
Unit B
Indoor & Outdoor connection cable
Power Supply Cord
Isolating
Devices
Indoor
Unit A
Indoor
Unit D
Indoor
Unit B
Indoor
Unit C
Indoor
Unit E
5. For wire stripping and connection requirement, refer to the diagram below.
6. Secure the power supply cord and connecting cables onto the control board with the holder.
7. Attach the control board cover back to the original position with screw.
Wire stripping
(gap between
wires)
No loose strand when
inserted
Indoor/outdoor
connecting
terminal board
10
±
1
m
m
Conductor fully
inserted
Conductor over
inserted
Conductor not
fully inserted
ACCEPT
PROHIBITED
PROHIBITED
WIRE STRIPPING AND CONNECTING REQUIREMENT
5 mm
or more
This equipment must be properly earthed.
Note: Isolating Devices (Disconnecting means) should have minimum 3.0 mm contact gap.
Earth wire shall be Yellow/Green (Y/G) in colour and longer than other AC wires for safety reason.
AMP Air Conditioning
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