Recommended Wire Length And Diameter - Technibel MCAV180R5VAA Technical Data & Service Manual

7-3. Recommended Wire Length and Size
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
GR180R5TAA
GR220R5TAA
WARNING
WARNING
CAUTION
(A) Power Supply Wiring Length (m)
2
)
2.5
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.
(B) Power Line
2
mm
22
16
45
(C) Control Line
2
mm
mm
2.5 1.0
20 20
30
30
WIRING SYSTEM DIAGRAM
GRV180R5TAA
INDOOR
UNIT
(B)
1
2
4
5
6
7
(C)
Ground
Power supply
220 – 240 V 50Hz
GRV220R5TAA
INDOOR
UNIT
(B)
1
2
4
5
6
7
(C)
Ground
Power supply
220 – 240 V 50Hz
Fuse or Circuit
Breaker Capacity
2
20 A
20 A
OUTDOOR
UNIT
1
2
4
5
6
7
L
N
(A)
OUTDOOR
UNIT
1
2
4
5
6
7
L
N
(A)