Requirements Of Communication Wire Selection - Gree GMV-ND28ZD/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 Select Communication Line for Indoor Unit and Wired Controller
Total Length of
Communication
Line between
Material Type
Indoor Unit and
Wired Controller L
Light/Ordinary
polyvinyl
chloride
sheathed cord.
(60227 IEC 52
/60227 IEC 53)
3.3.2 Select Communication Line for Indoor Unit and Outdoor Unit
Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit
Fig.3.3.1
Wire Size
(mm
(m)
2×0.75~2×1.2
L≤250m
5
Fig.3.3.2
Material
)
2
Standard
1. Total length of communication
2. The cord shall be Circular cord
IEC
60227-5
3. If unit is installed in places with
6
Remarks
line can't exceed 250m .
(the cores shall be twisted
together).
intense magnetic field or strong
interference, it is necessary to
use shielded wire.