Figure 1-4 DC Brushless Compressor
1.4.2 Fan
The EC Fans used in the Liebert CR012 models are energy-efficient and innovative with integrated electronics and a
maintenance-free design.
⚫ Ability to regulate the airflow and reduce the fan input power leading to high energy-efficiency
⚫ Easy-to-connect facility with minimum wiring leading to high performance with a great variety of possible air flow rates
Figure 1-5 shows the EC Fans used in the models belonging to the CR012:
Figure 1-5 CR012 EC Fans
1.4.3 Evaporator
The sophisticated design of the distributor ensures that the refrigerant is distributed evenly in each loop, thereby
improving the effectiveness of the heat exchanger.
⚫ Streamlined Heat exchanger design and air distribution for optimum performance
⚫ Fin-tube heat exchanger for higher efficiency
Figure 1-6 shows the image of an Evaporator:
Figure 1-6 Evaporator
1.4.4 Electronic expansion valve
The EEV is designed for modulating control of the refrigerant mass flow with precision. The EEV collects temperature
and pressure signals at the same time to accurately regulate the refrigerant flow. The EEV's wide operating envelope
also lowers down the condensing pressure, thereby resulting in significant energy savings.
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