Gree ME30-44/D2 B - Communication Line Material Selection

BACnet Protocol Gateway
10
Fig. 7.2 Gateway installation guide
WARNING!
Power cord and communication line of Gateway must conduct
routing separately (the distance shall be over 15cm); otherwise, it might lead to
Gateway communication malfunction!
The thin real line shown in the figure is communication wire and weak current
wire, the thick real line is strong current wire. Above lines are only for reference.
7.2 Gateway and BMS Communication Connecting Method
7.2.1 Material Selection for Communication Iine
(1) Model selection of Gateway and BMS communication line shall use
standard Ethernet communication line, the length of network cable between
gateway and router (computer, switchboard, etc.) shall not exceed 80m
(2) Communication line model selection for Gateway and AC unit
Wire type
L(m)Communication
line between gateway
and AC units
Wire
diameter(mm
2
)
Wire
standard
Remark
Light-weight/normal
PVC jacket twisted
copper wire
L≤ 500 ≥ 2×0.75
IEC 60227-
5:2007
Total
communication
length shall not
exceed 500m