Multi Variable Air Conditioners Cassette Type Indoor Unit
5
3.3.1 Select Communication Line for Indoor Unit and Wired Controller
Fig.3.3.1
Material type
Total length of
communication line
between indoor unit and
wired controller L (m/ft.)
Wire size
(mm
2
/AWG)
Material
standard
Remarks
Light/Ordinary
polyvinyl
chloride
sheathed cord.
(60227 IEC 52
/60227 IEC 53)
L≤250
(L≤820)
2×0.75~2×1.25
(2×AWG18
~2×AWG16)
IEC
60227-5
1. Total length of communication line
can't exceed 250m (820ft.).
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 Selection of Communication Wire between Indoor Unit and Indoor Unit (or Outdoor
Unit)
Fig.3.3.2
Material Type
Total Length L (m/ft.)
of Communication
Cable between
Indoor Unit and
Indoor (Outdoor)
Wire size
(mm
2
/AWG)
Material
standard
Remarks
Light/Ordinary
polyvinyl chloride
sheathed cord.
(60227 IEC 52
/60227 IEC 53)
L≤1000
(L≤3280)
≥2×0.75
(≥2×AWG18)
IEC 60227-5
1. If the wire diameter is enlarged to 2×1 mm
2
(2×AWG16), the total communication line
length can reach 1500m (4920ft.).
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.
Summary of Contents for GMV-ND07T/C-T
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