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Indoor Unit Installation
Step 2.1 Connecting the power and
communication cables (assembly
cable)
Before
connecting
Correct
Upside down
After
connecting
Correct
(Front view)
(Side view)
<Circular terminal>
09/12/18
N(1) 1
2
Fasten the screws for the wire holders.
Model
09/12/18
3G X 1.5 mm²,
Power cable
H05VV-F
Outdoor-to-
4G X 1.5 mm²,
indoor power
H07RN-F
cable
Communication
cable
Type GL
Control box
Damaged
Non-circular
Correct
Upside down
Non-fitted
24
1(L)2(N)
F1 F2
24
3G X 2.5mm²,
H07RN-F
3G X 1.0 mm²,
H07RN-F
2 X 0.75 mm²,
-
H05RN-F
20A
25A
• When performing electrical and earthing works,
be sure to comply with the 'technical standards of
electrical installations' and the 'wiring regulations' in
the local regulations.
• Tighten the terminal block screw to 1.2-1.8 N•m (12-
18 kgf•cm).
NOTE
• Each wire is labelled with the corresponding terminal
number.
• Use shield cable (Category 5; less than 50pF/m) for
noisy environmental site.
• Power supply cords of parts of appliances for outdoor
use shall not be lighter than polychloroprene sheathed
flexible cord. (Code designation IEC: 60245 IEC 66/
CENELEC: H07RN-F, IEC: 60245 IEC 57/CENELEC:
H05RN-F)
• Power & communication cable shall not exceed 20 m
(09/12/18) and 30 m (24).
CAUTION
• For the terminal block wiring, use a wire with a
ring terminal socket only. Regular wires without a
ring terminal socket may become a hazard due to
overheating of the electrical contact during installation.
• If you need to extend the pipe, be sure to extend the
cable too. The maximum length of each of the cable
and pipe used should not exceed 15(09/12)
/20(18)/30(24)metres.
• Do not connect two or more different cables to extend
the length. This connection may cause fire.
• Each circular terminal must match the size of its
corresponding screw in the terminal block.
• After connecting the cables, make sure that terminal
numbers on the indoor and outdoor units match.
• Ensure that power and communication cables are
separated, they must not be in the same cable.
WARNING
• Connect the wires firmly so that wires cannot be pulled
out easily. (If they are loose, it could cause burn-out of
the wires.)
• Tighten the Holder Wire Clamp screw to 0.8~1.0 N•m
(8~10 kgf•cm)
English
37
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