Gree GMV-ND07T/A-T(U), Руководство пользователя

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Multi Variable Air Conditioners Cassette Type Indoor Unit
5
3.3 Requirements for Communication Line
Notice:
If air conditioner used under strong electronic-magnetic interference circumstance, STP
(shielded twisted pair) communication cable must be adopted.
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
≤
250m
(L
≤
820ft.)
2×0.75~2×1.25
(2×AWG18~2×AW
G16)
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)
Unit
Wire size
(mm 2 /AWG)
Material
Standard
Remarks
Light/Ordinary
polyvinyl
chloride
sheathed
cord. (60227
IEC 52
/60227 IEC
53)
L
≤
1000m
(L
≤
3280ft.)
≥
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
1500 m (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.