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IEA SHC Task 38 Solar Air Conditioning and Refrigeration Subtask A Report, Date: 06/2011 6% 5% 5% 5% 6% 6% office building single family house kinder-garten 50% 17% training center sport center retirement home offices/ residential mixed winery Figure 2: Application types of solar heating and cooling plants 2.2.2 General questions To the question, if the plant did fulfil owners expectations, two third answered with yes and one third with no, which is rather a high percentage of dissatisfied plant owners (see Figure 3). For “no” the following reasons were mentioned: System is still not ready for operation Plant was only fully operating after the third season. The energy savings were much smaller than predicted by consultant Lots of adjustments for the operation Commissioning didn’t happen (2 plants) Start up phase is too late in the morning (first time of cold production at noon) Lack of continuity on the management of the project after commissioning (chiller provider is unable to maintain correctly the chiller and its control/monitoring system) page 7
IEA SHC Task 38 Solar Air Conditioning and Refrigeration Subtask A Report, Date: 06/2011 33% 67% yes no Figure 3: Fulfilment of expectations The plant quality was judged quite well by the plant owners (see Figure 4); for “moderate” and “bad” following additional information or impressions were given: The plant was not ready for daily use and needed a lot of manual adjustments, therefore, the plant has been dismounted The majority of solar thermal installation companies do not understand solar thermal systems 11% 33% 6% 50% very good good moderate bad Figure 4: Judgment of plant quality by plant owner 2.2.3 System configuration From the technology side 14 of the evaluated plants are equipped with absorption chillers only four are adsorption chiller systems. The preferably used technology on the solar thermal side are flat plate collectors (14 plants), only three plants operate with evacuated tube collectors and one uses both types of solar collectors. page 8
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IEA Solar Heating and Cooling Progr
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IEA Solar Heating and Cooling Progr
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Endbericht Solare Kühlung und Klim
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Task 38 Solar Air-Conditioning and
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IEA SHC Task 38 Solar Air Condition
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3.1 Adsorption Systems Table 1: Ads
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4 Heat Rejection There is a number
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M M IEA SHC Task 38 Solar Air Condi
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M M M IEA SHC Task 38 Solar Air Con
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IEA SHC Task 38 Monitoring Procedur
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Table of tables Table 1 List of ele
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Pompe évaporateur + compteur C3 Dr
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80 70 Temperature (°C) 60 50 40 3
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Power (kW) 20 19 18 17 16 15 14 13
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Power (kW) 20 19 18 17 16 15 14 13
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Page 284 and 285: IEA SHC Task 38 Solar Air Condition
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Grundprinzip Solare Wärme thermisc
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Hintergrund Operating Agent: Hans-M
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- Leistungsvergleich von verfügbar
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Subtask A: Pre-engineered systems f
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Abb. 3: Das Bürogebäude in St. Sc
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Beispiele realisierter großer Syst
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a) b) c) Abb. 9: Installation eines
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Subtask C: Modelling and fundamenta
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Liste der Systeme im Monitoring von
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Liste der Systeme im Monitoring von
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Marletta, L., Evola, G. and Sicurel
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Ellehauge & Kildemoes Vestergade 48
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Tekniker Centro Tecnológico Teknik
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IEA Solar Heating and Cooling Programm - NachhaltigWirtschaften.at

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