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Vertiv I Liebert LPC I User Manual
1.4.3 Electronic Expansion valve (EEV)
The EEV is designed for modulating control of the refrigerant mass flow with precision. The
EEV ensures effective control on super heating at the end of the evaporator and
simultaneously ensures that the compressor will never be filled by liquid from 10% to 100% of
its normal capacity.
Figure 1-4 shows the appearance of the EEV used in the Liebert LPC models:
Figure 1-4 Electronic Expansion Valve
1.4.4 EC Fans
The EC Fans used in the Liebert LPC models are energy-efficient and innovative with
integrated electronics and maintenance-free design. These fans provide a cost-effective way
to introduce energy-efficient technology by regulating the airflow and reducing fan input
power. Besides, the easy-to-connect facility bundled with the benefit of minimal wiring adds
to the high performance with a greater range of possible airflow rates.
Figure 1-5 shows the EC Fans used in the Liebert LPC model:
Figure 1-5 EC Fan
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