Water-cooled Heat Recovery DC Inverter VRF
24
Select communication wire between IDU and wired controller
Material type
Total length of
communication line
between IDU unit and
wired controller L m(ft.)
Wire size
Remarks
Light/Ordinary
polyvinyl chloride
sheathed cord.
L≤250(820-1/5)
2×AWG18~
2×AWG16
1. Total length of communication line should be shorter
than 250m (820-1/5ft.).
2. The cord shall be circular cord (the cores should be
twisted together).
3. If unit is installed in places with strong
electromagnetic interference existing, shielded wire
should be used.
Connection between IDU and wired controller figure
Fig.4.6.2
Select communication wire between ODU and IDU
Material Type
Total Length L(m) of
Communication Cable
between IDU Unit and
IDU (ODU ) Unit m(ft.)
Wire size
Remarks
Light/Ordinary
polyvinyl
chloride
sheathed cord.
L
≤1000(3280-5/6)
≥2×AWG18
1. If the wire diameter is scale up to 2 ×AWG16, the
total communication length can reach 1500m
(4921-1/4ft.).
2. The cord should be circular cord (the cores shall be
twisted together).
3. If unit is installed in places with strong
electromagnetic interference existing, shielded wire
should be used.
Fig.4.6.3
All of the selected communication wire should be consistent with local laws and regulations.
Summary of Contents for GMV-WQ120WM/A-F
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