Gree GMV-ND22T/C-T

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