Requirements Of Communication Wire Selection - Gree GMV-ND22T/C-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
communication wire between
Wire type
indoor unit and wired
Light/normal PVC
hose
3.3.2 Selection of Communication Wire between Indoor Unit and Indoor Unit (or outdoor
unit)
Total length of
Wire diameter
controller (m)
L≤250
Multi Variable Air Conditioners Cassette Type Indoor Unit
Fig.3.3.1
Wire standard
(mm²)
2×0.75 IEC
~2×1.25 60227-5
Fig.3.3.2
6
Remark
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.