System Communication - Gree GMV-224WM/B-X Owner's Manual

D.C. Inverter Multi-variable Modular

4.6 System Communication

4.6.1 Communication system include:
(1) Communication among outdoor basic modules;
(2) Communication between ODU and IDU;
(3) Communication among IDUs;
(4) Communication between IDU and wired controller;
(5) Connection between IDU and light board receiver;
(6) Communication between different refrigeration systems;
(7) Graphics of general communication connection
Fig.36
29