4 Installation
Installation manual
11
3(A)MXM+3(A)MXF+4MXM+5MXM
R32 Split series
3P600450-1C – 2020.05
4.5.1
Specifications of standard wiring
components
Component
Power supply
cable
Voltage
220~240 V
Phase
1~
Frequency
50 Hz
Wire type
A
Interconnection cable
(indoor↔outdoor)
4-core cable 1.5 mm
2
or
2.5 mm
2
and applicable for
220~240 V
H05RN-F (60245 IEC 57)
Recommended circuit breaker
B
Earth leakage circuit breaker
MUST comply with
applicable legislation
Model
A
B
3MXM40
3- core cable 2.5 mm
2
H05RN-F (60245 IEC 57)
H07RN-F (60245 IEC 66)
3- core cable 4.0 mm
2
H07RN-F (60245 IEC 66)
16 A
3AMXM52,
3AMXF52,
3MXF52,
3MXM52,
3MXF68,
3MXM68,
4MXM68
20 A
4MXM80
3- core cable 4.0 mm
2
H07RN-F (60245 IEC 66)
25 A
5MXM90
32 A
Electrical equipment must comply with EN/IEC 61000-3-12, the
European/International Technical Standard setting the limits for
harmonic currents produced by equipment connected to public low-
voltage systems with input current >16 A and ≤75 A per phase.
4.5.2
To connect the electrical wiring to the
outdoor unit
1
Remove the switch box cover (1 screw).
1
2
1×
2
Connect the wires between the indoor and outdoor units so that
the terminal numbers match. Make sure to match the symbols
for piping and wiring.
3
Make sure to connect correct wiring to correct room.
e
-B
e
-E
e
-C
e
-D
a
-A
e
-A
a
-C
a
-D
a
-E
a
-B
b
c
d
a
Terminal for room (A, B, C, D, E)*
b
Circuit breaker
c
Earth leakage circuit breaker
d
Power supply wire
e
Interconnection wire for room (A, B, C, D, E)*
*May differ depending on the model.
4
Tighten the terminal screws securely using a Philips
screwdriver.
5
Check that the wires do not disconnect by pulling them lightly.
6
Firmly secure the wire retainer to avoid external stress on wire
terminations.
7
Pass the wiring through the cutout on the bottom of the
protection plate.
8
Make sure the electrical wiring does not contact with the gas
piping.
L N
1 2 3
1 2 3
2×
a
a
Wire retainer
9
Reattach the switch box cover and the service cover.
4.6
Finishing the outdoor unit
installation
4.6.1
To finish the outdoor unit installation
1
Insulate and fix the refrigerant piping and cables as follows:
g
b
a
f
e
c
d
a
Gas pipe
b
Gas pipe insulation
c
Interconnection cable
d
Field wiring (if applicable)
e
Liquid pipe
f
Liquid pipe insulation
g
Finishing tape
2
Install the service cover.
4.6.2
About standby electricity saving function
The standby electricity saving function:
▪ turns OFF the power supply to the outdoor unit and,