Gree GMV-NX140P/A(X1.2)-K, Руководство пользователя

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Multi Variable Air Conditioners Fresh Air Series Indoor Unit
7
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
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
Fig.3.3.1
Wire Type
Total Length of
Communication Line L(m)
Numbers × Size
(mm²)
Wire Standard Remark
Light/Common PVC
Jacket Soft Wire
L≤250 2×0.75~2×1.25 IEC 60227-5
The total length of
communication line should
not exceed 250m
3.3.2 Select communication line for indoor unit and indoor unit (outdoor unit)
Fig.3.3.2
Wire Type
Total Length of
Communication
Line L(m)
Numbers × Size (mm
²
)
Wire
Standard
Remark
Light/Common PVC
Jacket Soft Wire
L≤1000 ≥2×0.75 IEC 60227-5
If wire gauge is 2×1 mm
²
, then it’s
OK to increase the length of
communication line. But total
length should not exceed 1500m.