Two-way Cassette Indoor Unit Owner's Manua
7
Wire type
Total length of
communication wire between
indoor unit and wired
controller (m)
Wire diameter
(mm
2
)
Wire standard
Remark
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 cable 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 Selection of communication wire between indoor unit and indoor unit (or outdoor
unit)
Fig 3.3.2
Wire type
Total length of
communication wire
between indoor unit and
indoor unit(outdoor unit)
(m/feet)
Wire diameter
(mm
2
)
Wire standard
Remark
Light/Ordinary
polyvinyl
chloride
sheathed
cord.(60227
IEC 52 /60227
IEC 53) (60227
IEC 52
/60227 IEC 53)
L≤1000
≥2×0.75
IIEC 60227-5
1)If the wire diameter is
enlarged to 2 × 1 mm
2
, the total
communication cable length
can reach 1500m.
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.
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