Installation Requirements - Gree CE52–24/F(C) Owner's Manual

Dimension of Electric Box Cover
3.1

Installation Requirements

(1)Communication cord of the centralized controller and Multi-VRF(CAN Network)
must be selected according to the table below. Never use the cable that is not in
compliance with instructions of this manual.
Cord type
Network
Light/
Ordinary
Indoor
polyvinyl
network
chloride
sheathed
cord.
(60227
IEC 52
/60227
IEC 53)
Outdoor
network
Notice:
1) The cord shall be Circular cord (the cores shall be twisted together).
2) If unit is installed in places with intense magnetic field or strong interference, it is
necessary to use shielded wire
(2)Communication cord of the centralized controller and Umatch Unit（Modbus net）
must be selected according to the table below
Figure 3-3 Dimension of Electric Box Cover
Cord
standard
IEC 60227-
5:2007
Cord size Total
(mm / length L(m/
2
AWG) feet)
L≤1000m
(L≤3280-5/
2×0.75~ 6feet)
2×1.25 (2×
AW
G18~2×A
WG16)
L≤500
(L≤820-1/
5feet)
3
Centralized Controller
Remark
If cord size is
2×1mm
2
(2×AWG16),
communication
cord can be
stretched longer.
But the total length
can't exceed
1500m(4921-1/
4feet).
Total length of
communication
cord can't exceed
500m(820-1/
5feet).