Lennox VRF VEWCL1E - Communication Wire Requirements

Wired Controller VEWCL1E
11
6.1 Instruction of wired controller
6.1.1 Requirements for model selection of communication wire
Fig. 6.3 Length of communication wire
Wire
material
type
Total length of
communication line
between indoor unit
and wired controller
L (m/feet)
Material
standard
Remarks
Light/
Ordinary
Polyvinyl
chloride
sheathed
cord.
(60227
IEC 52
/60227
IEC 53)
L≤250m
(L≤820-1/5feet)
2×0.75
mm
2
~2×
1.25 mm
2
(2×AWG18
~
2×AWG16)
IEC
60227-5:20
07
(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.
Wire size
(mm
2
/AWG)