E-
15
ENGLISH
INSTALLING THE OUTDOOR UNIT
Connecting the Cables to the Outdoor Unit
1
Remove the cabinet side RH of the outdoor unit.
2
Connect the assembly cable with the power cable such as figure.(40~70kgf.m)
Each wire is labelled with the corresponding terminal number.
Ensure the wire number of the indoor unit and the terminal number of the outdoor unit.
3
Connect the earth wires to the earth terminals.
Refer to the page 22 for further details on how to check that earthing is correct.
4
Fix the cables with cable clamps near terminal blocks to protect the wire
connection to the terminals from force on the wire.
5
Replace the terminal board cover, carefully tightening the screw.
6
Connect the power cable to the auxiliary circuit breaker.
2 electric cables must be connected to the outdoor unit:
The assembly cable connecting the indoor unit to the outdoor unit.
The power cable connecting the auxiliary circuit breaker to the outdoor unit.
The designs and shape are subject to
change according to the model.
1(L) 2(N) 1(L) 2(N)
1(L) 2(N)
F1
F2
1(L) 2(N)
F1
F2
F1 F2 F1 F2
L
N
F1 F2
F1 F2
1 2
2
1
1 2
F1 F2
F1 F2
1 2
1
2
B
C
B
C
A
�
�
�
�
MH040FX
A2B/MH040FX
A2C/MH050FX
A2B/MH050FX
A2C/MH18VF1X/MH19VF1X
A-unit
B-unit
Indoor unit
Assembly cable
Earth
terminal
Outdoor unit
Main Power
supply cable
Power cable to indoor units
Communication cable
to indoor units
�
�
�
Cable Type: A
Cable Type: B
Cable Type: C
The specification for cables :
Earth
terminal
Earth
terminal
Earth
terminal
Earth
terminal
When you install the unit, make first refrigerant connections and then elec-
trical connections.Connect the air conditioner to grounding system before
performing the electrical connection.If unit is uninstalled first disconnect
electrical cables, then refrigerant connections.
Connect the power cable to the auxiliary circuit breaker. If every pole fails to connect to the power supply,
it must be incorporated in a wire with a contact opening of ≥3mm.
The terminal is connected too firmly , the terminal may be damaged.
Model
Main Power Supply Cable Indoor Power Supply Cable
Communication Cable
FUSE
MCCB
Type GL
Specication
Type
Specication
Type
Specication
Type
MH040FX*A2B
MH040FX*A2C
MH050FX*A2B
MH050FX*A2C
MH18VF1X
MH19VF1X
3G, 2.5mm2 or
more,
H07RN-F
�
3G, 1.0mm2 or
more,
H07RN-F
�
2G, 0.75mm2 or
more,
H07RN-F
�
20A
Frame : 30A
Trip : 20A
20A
MH060FX*A3B
20A
Frame : 30A
Trip : 25A
25A
MH070FX*A4B
MH080FX*A4B
30A
Frame : 30A
Trip : 30A
30A
Screw
Torque(kgf.cm)
Unfasten Torque Tighten Torque
M4
17~30
25~40
M5
20~35
30~50
09'FJM_OUTDOOR_28896A_IM_E_11.23.09.indd 15
2009-11-24 9:19:52
