Installation Of Wired Controller; Selection Of Communication Wire; Parts Of Wired Controller; Length Of Communication Wire - Gree GMV-S120WL/A-S Service Manual

1
No.
Panel of wired
Name
controller
Quantity

3.3.1 Installation of Wired Controller

3.3.1.1 Selection of Communication Wire

Wire material type
Light/Ordinary
polyvinyl chloride
sheathed twisted
copper cord (RVVS)
Shielding
light/Ordinary
polyvinyl chloride
sheathed twisted
copper cord (RVVSP)
Notice:
① If air conditioner is installed in a place with strong electromagnetic interference,
communication wire of wired controller must be shielding twisted pair.
GMV5 Home DC Inverter Multi VRF Units
2
Fig.3.2 Parts of Wired Controller
1
Screw M4X25
1 pc 2 pc
Fig.3.3 Length of Communication Wire
Total length of
communication
wire between
Wire size (mm
indoor unit and
wired
controller L(m)
2×0.75～
L≤250
2×1.25
2×0.75～
L≤250
2×1.25
3
2 3
Soleplate of wired
controller
1 pc
2
) Material standard
GB/T 5023.5-2008
GB/T 5023.5-2008
67
4
4
Wiring box
mounted in the
wall
Prepared by user
Remarks
Total length of
communication wire
can't exceed 250m.
If unit is installed in a
place with strong
electromagnetic
interference, use
shielding wire (RVVSP)
as the communication
wire of the wired
controller.