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7-3. Recommended Wire Length and Diameter
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.
Table 2
Cross Sectional
Area (mm
Model
CR184
CR224
WARNING
WARNING
CAUTION
(A) Power Supply Wiring Length (m)
2
)
2.5 mm
22
16
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.
NOTE
Refer to the WIRING SYSTEM DIAGRAM for the
meaning of "A" "B", and "C" in Table 2.
(C) Control Line Length (m)
(B) Power Line Length (m)
2
INDOOR UNIT
TERMINAL
1
2
3
4
5
6
7
26
2
2.5 mm
30
30
WIRING SYSTEM DIAGRAM
(B)
(C)
GROUNDING LINE
GROUNDING
LINE
(A)
POWER SUPPLY
1PHASE 220-240VAC 50Hz
Fuse or
Circuit Breaker
Capacity
20A
OUTDOOR UNIT
TERMINAL
1
2
3
4
5
6
L
N
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