D.C. Inverter Multi-variable Modular
29
Fig.36
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