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CONTROLLING UNDER SURFACE HEATING/COOLING

  • US 20110006125A1
  • Filed: 11/12/2008
  • Published: 01/13/2011
  • Est. Priority Date: 11/15/2007
  • Status: Active Grant
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1. A method of controlling under surface heating/cooling, the method comprisingsupplying liquid to at least two supply loops in an under surface heating/cooling system, andcontrolling the flow of the liquid on and off such that during a duty cycle the flow is high and between the duty cycles the flow is offwherebyroom temperature is controlled by controlling the percentage of the duty cycles, which percentage is determined on the basis of the heating demand of the rooms, and different loops are controlled such that at least in two different loops the duty cycles start at different moments.

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