13
English
Installation
Step 2.3 Connecting the Power and
communication cables (assembly cable)
1(L)2(N)
F1 F2
•
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
(1.2-1.8 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 IEC66/CENELEC: H07RN-F,
IEC: 60245 IEC57 CENELEC: H05RN-F, IEC: 60227
IEC53: H05VV-F)
•
Power & Communication cable shall not exceed
30m.
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.
Model
Cable (Maximum)
TTTT
NXFS
TTTTTT
TTTT
NXWS
TTTTTT
TTTT
NXPD
TTTTTT
30m
•
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.
•
For the product that uses the R-32 refrigerant, be
cautious not to generate a spark by keeping the
following requirements:
–
Do not remove the fuses with power on.
–
Do not disconnect the power plug from the
wall outlet with power on.
–
It is recommended to locate the outlet in a
high position. Place the cords so that they are
not tangled.
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.)
Model
TT
09/12
TTTTTTTTTT
Power cable (Outdoor unit)
3G X 1.5 mm², H07RN-F
Outdoor-to-indoor power cable
3G X 1.0 mm², H07RN-F
Communication cable
2 X 0.75 mm², H05RN-F
Type GL
20A
Before
connecting
Correct
Upside down Damaged Non-circular
After
connecting
Correct
Correct
Upside down Non-fitted
(Front view) (Side view)
<Circular terminal>
Fasten the screws for the wire holders.
Control box
