6
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.
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
Fig 3.3.1
Material type
Total length of
communication line
between indoor unit
and wired controller
L (m)
Wire size (mm
2
)
Material
Standard
Remarks
Light/Ordinary
polyvinyl chloride
sheathed cord.
(60227 IEC 52
/60227 IEC 53)
L≤250m
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 Select Communication Line for Indoor Unit and Outdoor Unit
Fig 3.3.2
Compact 4-Way Cassette Indoor Unit