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Power to the pump.

Author(s) : CATCHPOLE A.

Type of article: Article

Summary

Variable speed drives are expensive. However savings should be made on energy used. Tests conducted using the heating water circuit at Ipswich Civic Centre, United Kingdom, confirm that a payback period of about four years could be obtained using variable speed water pumps and a variable flow rate system. The tests were conducted on a scaled down laboratory model using a heating load distribution curve based on a 10 year mean. The conclusion is that on circuits using thermostatic radiator valves or a weather compensated volume flow, variable speed pumps offer an economic solution. D.W.H.

Details

  • Original title: Power to the pump.
  • Record ID : 1995-0400
  • Languages: English
  • Source: J. chart. Inst. Build. Serv. - vol. 16 - n. 2
  • Publication date: 1994/02
  • Document available for consultation in the library of the IIR headquarters only.

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