13
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
lbfꞏft Nꞏm
M4 0.87 to 1.30 0.8 to 1.2
M5 1.45 to 2.17 2.0 to 3.0
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 1.97 inch(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) Indoor power cable
1Φ, 208-230V~, 60Hz ±10%
0.0012 inch²↑
(0.75mm² ↑), 3 wires
Communication cable
0.0012 inch²↑ (0.75mm² ↑), 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)
• When installing the indoor unit in a computer room or
network room, use the double shielded (tape aluminum /
polyester braid + copper ) cable of FROHH2R type.
Step 5 Optional: Extending the
power cable
1 Prepare the following tools.
Tools Spec Shape
Crimping pliers MH-14
Connection sleeve
[Inch(mm)]
0.78 (20)x
Ø0.25 (6.5) (HxOD)
Insulation tape Width 19 mm
Contraction tube
[Inch(mm)]
2.75 (70)x
Ø0.31 (8.0) (LxOD)
DB68-11579A-00_IM_RAC oudoor_AA_EN_.indd 13DB68-11579A-00_IM_RAC oudoor_AA_EN_.indd 13 2022-01-12 오후 1:37:502022-01-12 오후 1:37:50
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