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Vertiv I Liebert LPC I User Manual
1.4.7 Filter-driers
Moisture can have an adverse effect on the operation and life of a system in the refrigeration
cycle. To counter that effect, Filter-driers are used to filter out particles, and remove and hold
moisture to prevent it from circulating through the system.
1.4.8 Controller
The Controller adheres to the latest and highly advanced PID regulation technology. With
features, such as the baked-in ability to recover from a power failure and streamlined
usability, it has a simplistic user interface making it easy-to-operate. Power-packed with
fuzzy logic, it is an intelligent utility with dimensions of 128x64 (dot matrix) with frontal
displays and high voltage protection features. The operation time of the main components is
available through the menus. Configured with the RS485 port in compliance with the
communication protocol of Ministry of Information Enterprise, it ensures top reliability and
maximum efficiency.
An interesting development is the compatibility with Vertiv Co.’s remote monitoring-and-
management application. SiteWeb (the remote management application) gathers a
continuous stream of data related to vital health parameters such as DC Power, batteries,
and renewable power sources to name a few.
Figure 1-8 shows the appearance of the controller currently used in the Liebert Models:
Figure 1-8 Controller
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