Daitsu CDV-46 Manual page 17

5.1 INSTALLATION OF WIRED CONTROLLER
5.1.1 Communication Line Selection
Total length of
communication line
Wire material
between indoor unit
type
and wired controller
Light/Ordinary
Polyvinyl
chloride
sheathed
cord.
(L≤820-1/5feet)
(60227 IEC 52
/60227 IEC
53)
Note:
If the air conditioner is installed at the strong electromagnetic interference
①
place, communication line of the wired controller must use shielding
twisted pair.
Fig. 5.2 Length of communication line
Wire size
(mm
L (m/feet)
2×0.75
mm
L≤250m
1.25 mm
(2×AWG1
8~2×AWG
Material
/AW
2
standard
G)
~2×
2
IEC
2
60227-5:2
007
16)
11
Wired Controller CDV-46
Remarks
(1)Total length of
communication line can't
exceed 250m (820-1/5feet).
(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.