Selection Of Communication Wire Material - Gree ME20-24/D1(T) Owner's Manual

7.2 Selection of Communication Wire Material

7.2.1 Material Selection for Communication Iine
（1） Model selection of Controller and Intelligent Remote Eudemon system
communication line shall use standard Ethernet communication line, the
length of network cable between Controller and router (computer,
switchboard, etc.) shall not exceed 80m.
（2） Communication line model selection for Controller and AC unit.
Wire type
Light-weight/normal
PVC jacket twisted
copper wire
7.2.2 Communication Connection Method
（1） Communication connection between Controller and Intelligent Remote
Eudemon system:
Fig. 7.3 Connecting method between Controller and router
L(m)Communication
line between Controller
and AC units
L≤ 500
Wire
diameter(mm2)
≥ 2×0.75
11
Intelligent Controller
Wire
Remark
standard
Total
IEC 60227- communication
5:2007 length shall not
exceed 500m