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Installation Procedure
• Connect the rated cables only.
• Connect using a driver which is able to apply the
rated torque to the screws.
• If the terminal is loose, fire may occur caused by arc.
If the terminal is connected too firmly, the terminal
may be damaged.
Tightening torque (kgf⋅cm)
M4
M5
• 1 N⋅m = 10 kgf⋅cm
CAUTION
• When connecting cables, you can connect the cables
to the electrical part or connect them through the
holes below depending on the spot.
• Connect the communication cable between the
indoor and outdoor units through a conduit to protect
against external forces, and feed the conduit through
the wall together with refrigerant piping.
• Remove all burrs at the edge of the knock-out hole
and secure the cable to the outdoor knock-out using
lining and bushing with an electrical insulation such
as rubber and so on.
• Must keep the cable in a protection tube.
• Keep distances of 50mm or more between power
cable and communication cable.
• When the cables are connected through the hole,
remove the Plate bottom.
Outdoor-to-indoor power and communication
cables specifications
Indoor power supply
Power supply
Max/Min (V)
1ø, 220-240V,
50 Hz
Communication cable
0.75 to 1.5 mm², 2 wires
• Power supply cords of parts of appliances for
outdoor use shall not be lighter than polychloroprene
sheathed flexible cord. (Code designation IEC:60245
IEC 57 / CENELEC: H05RN-F or IEC:60245 IEC 66 /
CENELEC: H07RN-F)
14
English
12.0 to 18.0
20.0 to 30.0
Indoor power cable
±10%
1.5 mm² , 3 wires
• When installing the indoor unit in a computer room
or net work room, use the double shielded (tape
aluminium / polyester braid + copper ) cable of
FROHH2R type.
Step 4 Optional: Extending the power
cable
1 Prepare the following tools.
Tools
Crimping pliers
Connection sleeve
(mm)
Width 19
Insulation tape
Contraction tube
(mm)
2 As shown in the figure, peel off the shields from the
rubber and wire of the power cable.
• Peel off 20 mm of cable shields from the pre-
installed tube.
CAUTION
• For information about the power cable
specifications for indoor and outdoor units, refer
to the installation manual.
• After peeling off cable wires from the pre-installed
tube, insert a contraction tube.
Power cable
20
Pre-installed tube for the power cable
(Unit: mm)
20
Spec
Shape
MH-14
20xØ6.5
(HxOD)
mm
70xØ8.0
(LxOD)
20
20
60
120
180
(Unit: mm)
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