39
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.
Table 2 lists recommended wire lengths and cross
section area for power supply systems.
Refer to the WIRING SYSTEM DIAGRAM for the
meaning of "A" and "B" in Table 2.
Table 2
●
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.
To avoid the risk of electric
shock, each air conditioner
unit must be grounded.
●
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.
INDOOR UNIT OUTDOOR UNIT
TerminalTerminal
Power
line
Control
line
Power supply
1
4
2
1
4
2
5
6
(B)
(A)
Grounding line
Power supply
CxxGA : 50 Hz, 1-phase , 220-240 VAC
CxxJA : 60 Hz, 1-phase , 220 VAC
Grounding line
7-3. Recommended Wire Length and Diameter
(A) + (B)
(A) Power Supply Wiring Length (m)
(B) Power Line (m)
Fuse or
Circuit Breaker
Capacity
2 3.5
C71 70 100
10A
C91 33 51
Model
Cross Sectional
Area (mm
2
)
C121 27 41
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