7-2. Recommended Wire Length and Diameter
40
Regulations on wiring diameter differ from locality to locality. For field wiring requirements, please refer to
your local electrical codes. Carefully observe these regulations when carrying out the installation.
Supply cord and interconnection cord shall not be lighter than polychloroprene sheathed flexible cord
(code designation 60245 IEC 57).
Table 5 lists recommended wire lengths and diameters for power supply systems.
Refer to the wiring system diagram (Fig. 22) for the meaning of “A” and “B” in Table 5.
Table 5
Cross-Sectional
Area (mm
2
)
Model
C77 / 97
C127
(A)+(B) (A) Power Supply Wiring Length (m)
(B) Power Line Length (m)
2
3.5
Fuse or Circuit
Breaker Capacity
38
60
48
27
10 A
# … AWG (American Wire Gauge)
WARNING
Be sure to comply with local
codes on running the wire
from the indoor unit to the
outdoor unit (size of wire
and wiring method, etc.).
Each wire must be firmly
connected.
No wire should be allowed
to touch refrigerant tubing,
the compressor, or any
moving part.
CAUTION
Be sure to connect the power supply line to the outdoor unit as shown
in the wiring diagram. The indoor unit draws its power from the outdoor unit.
To avoid the risk of electric
shock, each air conditioner
unit must be grounded.
WARNING
Fig. 22
WIRING SYSTEM DIAGRAM
(B)
(A)
NOTE
The appliancce is fitted with means for disconnection from the supply mains
having a contact separation in all poles that provide full disconnection under
overvoltage categroy conditions, and these means must be incorporated
in the fixed wiring in accordance with the wiring rules.
our service agent or similarly qualified person in order to avoid a hazard.
If the supply cord is damaged, it must be replaced by the manufacturer or
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