Simplified on-site performance evaluation method for VRF systems

Yasuhiro Sugata, Mitsuhide Yasuda, Masanari Ukai, Tatsuo Nobe

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Few case studies have examined the actual operation of variable refrigerant flow systems. The installation conditions for each case, such as the number of indoor units connected, piping length, height difference, and refrigerant filling budget, are not fixed. Therefore, accurately grasping the changes in performance is difficult. Moreover, specifying the performance evaluation method is necessary because of the complex and diverse operating conditions for each case. The system performance intended by the air conditioning designer/builder is not attained because the actual driving situation differs for each property. Therefore, possible complaints of the system being “too hot” or “too cold” raise a concern.

Original languageEnglish
Title of host publicationHealthy Buildings Europe 2017
PublisherInternational Society of Indoor Air Quality and Climate
ISBN (Print)9788379472604
Publication statusPublished - 2017
Externally publishedYes
EventHealthy Buildings Europe 2017, HB 2017 - Lublin, Poland
Duration: 2017 Jul 22017 Jul 5

Publication series

NameHealthy Buildings Europe 2017

Other

OtherHealthy Buildings Europe 2017, HB 2017
Country/TerritoryPoland
CityLublin
Period17/7/217/7/5

Keywords

  • COP
  • Outside unit
  • Probe insertion method
  • Small temperature loggers

ASJC Scopus subject areas

  • Civil and Structural Engineering

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