Multi Variable Air Conditioners Compact Cassette Type Indoor Unit
7
Material type
Total length of
communication line
between indoor unit and
wired controller L (m)
Wire size
(mm
2
)
Material
Standard
Remarks
Light/Ordinary
polyvinyl chloride
sheathed cord.
(60227 IEC 52
/60227 IEC 53)
L≤250
2×0.75
~2×1.25
IEC
60227-5
1. Total length of communication line
can't exceed 250m.
2. The cord shall be Circular cord (the
cores shall be twisted together).
3. If unit is installed in places with
intense magnetic field or strong
interference, it is necessary to use
shielded wire.
3.3.2 Select Communication Line for Indoor Unit and Outdoor Unit
Fig.3.3.2
Material Type
Total Length L (m) of
Communication Cable
between Indoor Unit and
Indoor (Outdoor) Unit
Wire size
(mm
2
)
Material
Standard
Remarks
Light/Ordinary
polyvinyl chloride
sheathed cord.
(60227 IEC 52
/60227 IEC 53)
L≤1000
≥2×0.75
IEC 60227-5
1. If the wire diameter is enlarged to 2×1
mm
2
, the total communication line
length can reach 1500 m.
2. The cord shall be Circular cord (the
cores shall be twisted together).
3. If unit is installed in places with intense
magnetic field or strong interference, it
is necessary to use shielded wire.
3.4 Wiring Requirements
Dimension of power cord and capacity of air switch.
NOTES!
①
The circuit breaker and power cord specification in above sheet are based on max power
(max current) of the unit.
②
The power cord specification in above sheet is based on ambient temperature of 40°C.
③
The circuit breaker specification in above sheet is based on ambient temperature of 40°C.
④
If the working condition is different, please adjust it according to the specification sheet of
circuit breaker.
⑤
Supply cords of parts of appliances for outdoor use shall not be lighter than polychloroprene
sheathed flexible cord (code designation 60245 IEC 57).