Requirements For Communication Line - Gree GMV-ND15G/B6B-T Owner's Manual

Standard.
⑦ This unit shall only be connected to an appliance suitable for the same refrigerant.

3.3 Requirements for Communication Line

NOTE!
If the unit is installed in the place with strong electromagnetic interference, shielded wire
must be applied on the communication wire between indoor unit and wired controller. Twisted
pair line with shielding function must be applied on the communication wire between indoor unit
and indoor unit (outdoor unit).
3.3.1 Select communication line for indoor unit and wired controller
Total length of
communication line
Material type
between indoor unit and
wired controller L (m/feet)
Light/Ordinary
polyvinyl
chloride
sheathed cord. (L≤820-1/5feet)
(60227 IEC 52
/60227 IEC 53)
3.3.2 Select communication line for indoor unit and indoor unit (outdoor unit)
Multi Variable Air Conditioners Wall Mounted Type Indoor Unit
Wire size
(mm 2
2×0.75~
L≤250m 2×1.25
(2×AWG18~
2×AWG16)
Fig 3.2
Material
/AWG) Standard
1.Total length of communication
line can't exceed 250m
(820-1/5feet).
2.The cord shall be Circular cord
IEC (the cores shall be twisted
60227-5-2007 together).
3.If unit is installed in places with
intense magnetic field or strong
interference, it is necessary to
use shielded wire.
Fig 3.3
6
Remarks