GMV5 HR Heat Recovery Cooling and Heating Mode Exchanger
7
Figure 3.2
Type of wire
Total length of
communication wire
between indoor unit
and another
indoor/outdoor unit:
L(m)
Wire diameter
(mm
2
)
Material standard
Remarks
Light/Ordinary polyvinyl
chloride sheathed cord
(60227 IEC 52/60227 IEC
53)
L≤1000
≥2×0.75
IEC 60227-5:2007
1.if the wire diameter is enlarged
to 2×1mm
2
,the total
communication length can reach
1500m.
2.The cord shall be circular
cord(the cores shall be twisted
together).
Communication wire can be
longer if wire diameter is 2×1mm
2
.
But the total length cannot exceed
1500m.
3. If unit is installed in places with
intense magnetic field or strong
interference, it’s necessary to use
shielded wire.
