Multi Variable Air Conditioners Cassette Type Indoor Unit
6
Unit:mm
Model
H
GMV-ND28~50T/A-T
220
GMV-ND56~80T/A-T
270
GMV-ND90~140T/A-T
350
GMV-ND160T/A-T
310
NOTES!
①
The unit shall be installed in accordance with national standards or local regulations.
②
Only qualified personnel can carry out installation work, please contact with local dealer before
installation.
③
Make sure all the installation work completed before energizing.
④
The appliances are not accessible to general public.
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.