Lennox VRF VELD007N432U, Инструкция по установке и эксплуатации

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Low ESP Fan Coil Indoor Unit
7
3.3.1 Select communication line for indoor unit and wired controller
Fig 3.3.1
Wire Type
Total Length of
Communication Line L(m)
Wire Gauge (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
60227-5:2007
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
Wire Type
Total Length of
ommunication
Line L(m)
Wire Gauge (mm
2
) Wire Standard Remark
Light/Ordinary
polyvinyl chloride
sheathed cord.
(60227 IEC 52
/60227 IEC 53)
L≤1000 ≥2×0.75
IEC
60227-5:2007
1) If the wire diameter is enlarged
to 2 × 1 mm
2
, the total
communication length line 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.