Multi Variable Heat Pump Floor and Ceiling Type Indoor Unit
4
Ceiling type
fig.3.2
(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) Do not connect power until all installation work is finished.
3.3 Requirements of Communication Wire Selection
Note:
If air conditioner is installed in or near a stong electromagnetic field, STP (shielded twisted pair)
communication cable must be used.
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/yd)
Wire
diameter
(mm
2
)
Wire standard
Remark
Light/Common
PVC Jacket Soft
Wire
L
≤
250
(273-13/32)
2×0.75
̚
2×1.25
IEC 60227-5
The total length of communication line should
not exceed 250m (850 feet)
