Gree GMV-ND07PLS/B-T, Owner'S Manual

Page: 8 / 26

Multi Variable Air Conditioners Duct Type Indoor Unit
4
Unit: mm(in.)
>250
(9-7/8)
>500
(19-5/8)
Fig 3.2.1
(1) Installation of the unit must be in accordance with National Electric Codes and local regulations.
(2) Improper installation will affect unit’s performance, so do not install the unit by yourself. Please contact local
dealer to arrange professional technicians for the installation.
(3) Do not connect power until all installation work is finished.
3.3 Requirements for Communication Line
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
Fig 3.3.1
Material type
Total length of communication
line between indoor unit and
wired controller L (m/feet)
Wire size Remarks
Light/Ordinary
polyvinyl chloride
sheathed cord
L≤250m
(L≤820-1/5ft.)
2×AWG18
~2×AWG16
(1) Total length of communication line
can't exceed 250m (820-1/5ft.).
(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.