IEA Solar Heating and Cooling Programm - NachhaltigWirtschaften.at
IEA Solar Heating and Cooling Programm - NachhaltigWirtschaften.at IEA Solar Heating and Cooling Programm - NachhaltigWirtschaften.at
IEA SHC Task 38 Solar Air Conditioning and Refrigeration Subtask A Report, Date:… As it can be seen, the system was designed to limit as much as possible the electricity consumption of the overall installation. Indeed only 4 pumps are used to run the entire system (without distribution). Moreover, a simple system always works better than a complicated one. Another point which must be enlightened it the choice of a dry cooler for the system’s heat rejection. The “Résidence de Lac” is a building for retired peoples. As a consequence legislation is very drastic concerning the legionella bacteria, and a drycooler was the only affordable way to reject efficiently energy without any restrictive regulation. Building: - Type of building: Retired people residence - Location: Maclas, France - In operation since 2007 - System operated by: SIEL - Air-conditioned area: 210 m² - System is used for space cooling and heating (No DHW preparation) System general properties: - Technology: closed cycle - Nominal capacity: 10 kWcold - Type of closed system: Absorption - Brand of chiller unit: Sonnenklima - Chilled water application: Fan coils - Dehumidification: no - Heat rejection system: dry Solar thermal: - Collector type: Evacuated tube - Brand of collector: Thermomax Mazdon 20 - Collector area: 24 m² absorber - Tilt angle, orientation: 30°, 15° west - Collector fluid: water-glycol - Typical operation temperature: 75°C driving tempe rature for chiller operation Configuration: - Heat storage: 0.5 m3 water - Cold storage: Buffer water (80 liters) - The hot and cold backups are not included into the solar project, so they are not monitored. Indeed, the building is an existing building, so a conventional heater and air conditioning system were already used.
IEA SHC Task 38 Solar Air Conditioning and Refrigeration Subtask A Report, Date:… Photos: Building Cooled space Solar collector field Dry cooler Technical premises Distribution system Task 38 standard Scheme for the installation: If the standard Task 38 scheme is used to describe the installation, the scheme is as follows: Task 38 standard hydraulic scheme for the Maclas installation
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- Page 266 and 267: Pompe évaporateur + compteur C3 Dr
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<strong>IEA</strong> SHC Task 38 <strong>Solar</strong> Air Conditioning <strong>and</strong> Refriger<strong>at</strong>ion<br />
Subtask A Report, D<strong>at</strong>e:…<br />
Photos:<br />
Building Cooled space <strong>Solar</strong> collector field<br />
Dry cooler Technical premises Distribution system<br />
Task 38 st<strong>and</strong>ard Scheme for the install<strong>at</strong>ion:<br />
If the st<strong>and</strong>ard Task 38 scheme is used to describe the install<strong>at</strong>ion, the scheme is as follows:<br />
Task 38 st<strong>and</strong>ard hydraulic scheme for the Maclas install<strong>at</strong>ion
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