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Operating behaviour of single split coil systems under modulating and two-position control.

Author(s) : LE T. H., KNABE G., HENZE G. P.

Summary

This paper introduces the modelling of single-split coil room air-conditioning systems governed by modulating control action for use in building energy simulation. The model calculates energy consumption, sensible and latent cooling capacities of the split coil system at part-load operation, matching the sensible and latent cooling zone loads. As a result, the zone air states can be exactly determined. The model of the split system under two-position control has previously been developed and verified. Results of the simulation show a significant impact of the controller type on both room comfort (temperature and humidity) and energy consumption.

Details

  • Original title: Operating behaviour of single split coil systems under modulating and two-position control.
  • Record ID : 2006-3059
  • Languages: English
  • Source: ASHRAE Transactions. 2005 Annual Meeting, Denver, Colorado, USA. Volume 111, part 2 + CD-ROM.
  • Publication date: 2005

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