Installing The Outdoor Unit; Connecting The Cables To The Outdoor Unit - Samsung MH040FXA2B Installation Manual

Connecting the Cables to the Outdoor Unit

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.
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.
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.
MH040FXA2B/MH050FXA2B/MH18VF1X/MH19VF1X
1 2
1 2
1(L) 2(N) 1(L) 2(N)
� �
Power cable to indoor units
� Cable Type: A
� Cable Type: B
�
Cable Type: C
The specification for cables :
Main Power Supply Cable Indoor Power Supply Cable
Model
Specication
MH040FX*A2B
MH050FX*A2B
MH18VF1X
3G, 2.5mm 2 or
MH19VF1X
more,
MH060FX*A3B H07RN-F
MH070FX*A4B
MH080FX*A4B
 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.
08'FJM_OUTDOOR_28896A_IM_E.indd 15
A-unit
Indoor unit
1(L) 2(N) F1 F2
Assembly cable
F1 F2
Earth
terminal
B C
F1 F2
Earth
terminal
Outdoor unit
L N
Main Power
supply cable
1 2
A
Type Specication Type
3G, 1.0mm 2 or
�
more,
H07RN-F
B-unit
1(L) 2(N) F1 F2
1 2
F1 F2
Earth
terminal
B C
1 2
F1 F2
Earth
terminal
F1 F2 F1 F2
�
Communication cable
to indoor units
Earth
terminal
Communication Cable
FUSE
Specication Type
20A
2G, 0.75mm 2 or
� �
more,
H07RN-F 20A
30A

INSTALLING THE OUTDOOR UNIT

The designs and shape are subject to
change according to the model.
�
Type GL
MCCB
Frame : 30A
20A
Trip : 20A
Frame : 30A
25A
Trip : 25A
Frame : 30A 30A
Trip : 30A
15
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2007-12-12 14:28:19