IEA Solar Heating and Cooling Programm - NachhaltigWirtschaften.at

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IEA SHC Task 38 Solar Air Conditioning and Refrigeration Subtask A Report A-D3b, Date: December 2010 Monitoring Data Measured period Jan 2009 – Aug 2010 Monitoring level (according to Task 38 procedure) 3 Monitoring by Person responsible for evaluation ZfS Rationelle Energietechnik GmbH, Hilden Edo Wiemken (Fraunhofer ISE, Germany) Phone: +49 (0)761 4588 5412 Email: edo.wiemken@ise.fraunhofer.de page 34
IEA SHC Task 38 Solar Air Conditioning and Refrigeration Subtask A Report A-D3b, Date: December 2010 2.10 Germany: Fraunhofer ISE, Freiburg Solar air-conditioning with adsorption chiller of the canteen kitchen area at Fraunhofer ISE, Freiburg, Germany Description of the application The Fraunhofer Institute for Solar Energy Systems (ISE) institute building is an energy efficient building with passive cooling measures. An exception is the canteen kitchen area, where due to high internal loads active cooling of the supply air is appropriate. This is done by means of a small size thermally driven chiller. Type of building kitchen area of institute Location Freiburg, Germany In operation since 2007 System operated by Fraunhofer ISE Air-conditioned area 42 m 2 System used for space heating? Yes System used for DHW preparation? No General description of the system The system technology is a closed cycle chilled water system with an adsorption chiller. Heat is provided by a solar thermal system and by the heat network of the institute which is fed by a CHP unit. During summer, the system runs in cooling mode. The medium temperature heat of the chiller is rejected by three ground boreholes of 80 m each. In winter, the heat pump function of the machine is activated and the ground tubes act as low-temperature energy source. The system thus cools the supply air into the kitchen (max. flow rate 3000m³/h) and pre-heats the air in the main channel of the air handling unit (max. flow rate 9000m³/h). Central air-conditioning unit Technology closed cycle Nominal capacity 5.5 kW cold (08/2008 – 07/2009) 7.5kW (since 11/2009) Type of closed system Adsorption Brand of chiller unit SorTech ACS 05 (till 08/2009) ACS08 (since 11/2009) Chilled water application supply air cooling Dehumidification occasionally Heat rejection system dry, ground coupled boreholes Solar thermal Collector type Brand of collector Collector area Tilt angle, orientation Collector fluid Typical operation temperature flat-plate Solvis FF 35s 3/2 FKY 22 m 2 aperture 30°, south water-glycol 75 °C driving temperature for chiller operation page 35
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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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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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79 Spain Private House Olivares-Sev
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Questionnaire for Owners of Small-S
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9. Maintenance o What type of maint
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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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