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Energy-efficient operation of two-pipe fan-coil unit system with independent fresh air supply

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  • J.W. Wan
  • W.M. Zhang

Abstract

Year-round energy-efficient operation is presented for a two-pipe fan-coil unit air-conditioning system with independent fresh air supply. The study investigated two typical in-room fan-coil operating modes: the dry fan-coil mode in which the room cooling coil does no latent cooling and the wet fan-coil mode in which the room cooling coil is used for dehumidifying a part of moisture from conditioned space. The investigation shows that for a given indoor temperature and relative humidity level, the changeover time of hot-cold water is same in dry fan-coil mode and wet fan-coil mode, but the operating energy consumption required in dry fan-coil mode is more than that required in wet fan-coil mode during the periods of intermediate and summer seasons.

Suggested Citation

  • J.W. Wan & W.M. Zhang, 2009. "Energy-efficient operation of two-pipe fan-coil unit system with independent fresh air supply," International Journal of Energy Technology and Policy, Inderscience Enterprises Ltd, vol. 7(1), pages 30-45.
    • Handle: RePEc:ids:ijetpo:v:7:y:2009:i:1:p:30-45
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