Requirements Of Communication Wire Selection - Gree GMV-ND28TS/B-T Owner's Manual

3.3 Requirements of Communication Wire Selection

NOTE: If air conditioner used under strong electronic-magnetic interference circumstance, STP
(shielded twisted pair) communication cable must be adopted.
3.3.1 Selection of communication wire between indoor unit and wired controller
Wire type
between indoor unit and
Light/Ordinary
polyvinyl chloride
sheathed cord
(60227 IEC 52
/60227 IEC 53).
3.3.2 Selection of Communication Wire between Indoor Unit and Indoor Unit (or outdoor
unit)
Multi Variable Air Conditioners Two-way Cassette Type Indoor Unit
Total length of
communication wire
wired controller (m)
L≤250
Fig.3.3.1
Wire diameter
Wire standard
(mm²)
IEC 60227-
2×0.75~2×1.25
5:2007
Fig.3.3.2
7
Remark
Total length of communication
cable can't exceed 250m.
The cord shall be Circular cord
(the cores shall be twisted
together).
If unit is installed in places with
intense magnetic field or strong
interference, it is necessary to
use shielded wire.