Vertiv | Liebert PEX+Chilled Water | User Manual 65
iCOM Controller Operation
4.9. Multi-units and Teamwork Modes
Liebert® iCOM controller enables PEX+ chilled water unit to connect multiple units in single network through the
teamwork mode. This teamwork mode facilitates corresponding network connection and network setting.
The control board and graphic display can be connected to an Ethernet network through a CAT5 cable, as shown
in Figure 4-8. Up to 32 units (control boards) and up to 32 graphic displays can be connected together by using
the Global Bus Protocol. The two units (two control boards or one control board and one large graphic display)
can be directly connected through a crossed Ethernet cable, and multiple units can be interconnected in a
networking with the help of a hub or a switch, as shown in Figure 4-9.
Control Board Connection with Small Display Screen
Control Board Connection with Large Display Screen
Figure 4-8 Networking of the Two Units
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