Liebert CR020 User Manual page 15

Chapter 1 Preliminary Operations 5
Thermal performance
The thermal performance (at 1.1m from floor) of a system with 2 CRV and 20 racks is shown in Figure 1-4.
Figure 1-4 Schematic diagram of thermal performance
Inlet air enters this unit from the hot aisle, is filtered, cooled and conditioned, and is returned to the cold aisle. It
provides all the necessary functions of a standard precision air conditioner, including cooling, heating, humidification,
dehumidification, air filtration, condensate management, temperature control, alarm functions and data
communications. The Liebert.CRV is optimized for maximum cooling capacity in minimal footprint.
iCOM display panel
The iCOM display panel is shown in Figure 1-5.
Figure 1-5 iCOM display panel
The iCOM display panel shows: air inlet temperature and humidity, air outlet temperature, fans status, cooling power
status, next service time.
Component locations
The component locations of Liebert.CRV air-cooled (A), water/glycol-cooled (W) and chilled water (C) units are
shown in Figure 1-6.
Liebert.CRV Series Air Conditioner User Manual