Recommended Wire Length And Diameter - Technibel MCAV97C5VAB Technical Data & Service Manual

8-3. 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 size for power
supply systems.
NOTE
Refer to the WIRING SYSTEM DIAGRAM for the meaning of
"A" and "B" in Table 2.
Table 2
Cross Sectional
Area (mm 2
Model
GRV187M2C5VAA
WARNING
WARNING
CAUTION
(A) Power Supply Wiring Length (m) (B) Power Line Length (m)
)
2.5 mm
23
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.
2
L
N
Unit
1
A
2
4
L
N
Unit
1
B
2
4
Indoor unit
Before starting installation of the multi-split
system, disconnect the gray tripolar cable of 2
meter length joined at the indoor units' terminal
base in positions L, N and Ground mark. Be sure
to refer to the Wiring System Diagram on the
outdoor unit for proper installation of the multi-
split system. Incorrect wiring can cause system
damage or personal injury.
18
Fuse or Circuit
Capacity
2.5 mm
2
20
WIRING SYSTEM DIAGRAM
Disconnect
switch
(Field supply)
A
B
1
2
1
2
3
4
1
2
3
4
Outdoor unit
WARNING
20A 20A
220–240V
~ 50Hz
Ground
Unit A
Ground
Unit B
Ground