The existing system provides the factory with chilled water via 10 pairs of fixed speed pumps running duty/standby. The customer was keen to take advantage of the energy savings on offer from a parallel pumping system, which Central had previously set up and had proved excellent savings using existing on site VSD’s.
The control panel contains twenty ACS550 Variable Speed Drives with power ratings ranging from 4 KW to 22KW. Each pair of drives is selectable via the control panel to allow either pump to run in duty or both pumps to run at a reduced speed (parallel pumping) thus providing excellent energy savings.
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