Best Way to Control 6 Chiller Pumps: Is VFD Suitable Without Reducing Pump Head?

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#1 21681340 16 Dec 2018 20:05

hawree palavan hawree palavan

Anonymous

Post #1
21681340 16 Dec 2018 20:05

dears,
i have below question, if anybody knows please help me...
there are 6 chillers that need 6 pumps. each chiller 1 pump. now for controlling these pumps what is best solution. i consider VFD. is it ok ? or not "please consider that débit and head of pumps is important for us and do not want to reduce head during operation of chiller"
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#2 21681341 19 Dec 2018 04:19

David Ashton David Ashton

Anonymous

Post #2
21681341 19 Dec 2018 04:19

More information please. How powerful are these pumps? What power is available? Is variable speed needed? If only on/off operation is needed and AC is available, then VFDs would unnecessarily complicate this. When you say "Head of pumps" I presume you mean how far up they have to pump their liquid? When do the pumps need to operate? If in response to external conditions then a PLC (Programmable logic controller) might make things easier....
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