Emerson Liebert ICOM-DO Installation Manual download pdf (Page 19)

Liebert iCOM Control

5.0 LIEBERT ICOM CONTROL

The Liebert CRV is equipped with the most advanced Liebert iCOM control system. Each Liebert

CRV contains a return air temperature and humidity sensor, supply air temperature sensor and three

remote rack sensors. Up to an additional 7 remote rack sensors can be added to the sensor network.

Each rack sensor takes two temperature readings and reports either the average or the maximum

temperature of the two sensors.

5.1 Liebert iCOM Display Readout

The Liebert iCOM controller for the Liebert CRV supports multiple main screen layouts. The screens

are a graphical representation of the Liebert CRV, selectable to show unit operation with or without

rack sensors, unit operation with a rack sensor summary, historical temperature and humidity trend-

ing or trending the screens used on other Liebert products. Unlike other Liebert cooling products, the

Liebert CRV display will always revert to the Unit Screen instead of the System Screen.

Figure 12 Liebert CRV system screen

The System screen can be accessed by pressing the Up arrow key when the Unit screen is displayed.

The System screen shows the fan speed and cooling capacity averages of all connected units. The Sup-

ply, Return and Remote Rack sensors of all connected units are also displayed showing the average,

maximum and minimum of all connected sensors.

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Emerson Liebert ICOM-DO Installation Manual Page 19