Indicator assessment of the Variable Refrigerant Flow (VRF) air conditioning system on EEWH,LEED,ASGB and CASBEE
Date Issued
2015
Date
2015
Author(s)
Wang, Chien-Chung
Abstract
In recent years, The Variable Refrigeerant Flow (VRF) air conditioner market continned to flourish.Since VRF has meritson energy-saving, indepeneect controll system and precise temperature control features, The VRF industry has become an integral part of the air conditioning. However,the risting concerns of the environmental awareness has caused every leading country to develop their own green building standard in order to protect our environment .Those standard are LEED (USA), CASBEE (Japan), BREEAM (UK) and ASGB (China). Our country,TAIWAN has also developed EEWH(TAIWAN) for sub-tropical and tropical climate in 1996.Also the diversity of the country in different conditions makes energy conservation,waste reduction reduce the weight of each evaluation system,in which VRF air conditioning system is no exception. Therefore, this study "" Variable Refrigeerant Flow ""as a subject. We will discuss for different Green Building standards by LEED (USA), CASBEE (Japan), EEWH (TAIWAN) and ASGB (Mainland China) and aggregated domestic and foreign paper,Using relatively inductive way, to do an anylysis on the homogeneity and the difference of the above mentioned four standards, Moreover,we will sort out the strength,weakness and matters needed attention four mentioned Green Building Rating System.At the same time and thrn real case study, ""X Holding"",analyze the assessment index system for future application of a better Green Building Construction project selection.Through this real case study,we summarized the following for conclusions: 1. "" The Variable Refrigeerant Flow (VRF)"" should be part of the efficiency of its air conditioning load (Part Load) Assessment: inverter air conditioning system has been widely used in various countries, each country there is a wireless evaluate their level of energy efficiency indicators: such as (partial load efficiency) IPLV , annual operating efficiency (APF) and seasonal operation efficiency (IEER), with its conduct its annual comprehensive energy efficiency rating. But only EEWH assessment system is still in full load efficiency (COP) to assess not fully reflect the part load energy-saving features. Fortunately, according to the ROC Ministry of Economic Affairs on May 29, 2015 enactment of the new announcement, the monomer unit and separate (multi-type air conditioner system contains frequency) energy efficiency has been modified to identify the cooling operation using among the energy consumption efficiency (Cooling seasonal Performance Factor, CSPF), and on January 1, 2017 came into effect. I believe the new version of the follow-up evaluation system should EEWH will be amended to cope with the global trend. 2. Inverter air conditioning system can contribute to the LEED score is not high (but a necessary condition), it is only in efficiency for compliance. The reason for the American system of LEED, the majority of air-conditioning box + duct system, more emphasis on air quality and verification partial weight, more than air conditioning efficiency due. And its emphasis on building energy cycle and the overall operation of timber resources on the burden of energy on the planet, so weighting of inverter air conditioning system is not high in the future. 3. In CASBEE (Japan) on, VRF can account for higher weights.Because of its temperature control and more emphasis on the future operation and management section. And the VRF system developed in Japan and the mainstream system, is the main reason. 4. Green Building Rating System (China), the vast mainland China since then, the region is not exactly the same as the ambient temperature, combined with various types of air conditioning systems to flourish, its weight distribution is more comprehensive. However, after analysis, VRF air source can be used as flexible, water ground source system, if adopted after the overall score will have a considerable
Subjects
Variable Refrigerant Flow
Assessment standard for green building
Type
thesis
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