The Sun from SOLution Solartechnik GmbH Solar domestic hot water, heating, cooling and electricity DERBI International Conference 11th-13th of June

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1 The Sun from SOLution Solartechnik GmbH Solar domestic hot water, heating, cooling and electricity DERBI International Conference 11th-13th of June 2009, Perpignan

2 SOLution Solartechnik GmbH The company

3 The company founded in 2000 staff 58 principle solar system distributor for -solar hot water preparation, -solar heating and cooling, -solar heat pumps and -PV installations to our clients (installers) location Gewerbestrasse 15 A-4642 Sattledt in Austria annual sold collector area (2008) m² managers and owners Mag. Andrea Dober and Ing. Gerald Jungreithmayr

4 The company markets 4

5 The company partners Different partners in France, but for first contact please adress to: Elvira Ilming, Responsable Commerciale France or SOLution Solartechnik GmbH or Franciska Klein, engineer research & development, solar cooling

6 Solar Cooling Systems

7 Solar Cooling Systems content: -introduction - principle and methods of solar cooling - Solar cooling system with absorption chiller or adsorption chiller - Cooling tower - package solutions - realised systems (examples)

8 Solar Cooling Systems correlation of cooling demand and solar energy Example for solar thermal installation Energie [kwh / Monat] Cooling Kühlungload Heating Heizungload hot Warmwasser water demand Sonneneinstrahlung Solar irradiance Jan Feb Mar Apr Mai Jun Jul Aug Sept Okt Nov Dez

9 Solar Cooling Systems advantages Thermally driven chillers, driven by heat from solar collectors In summer: Solar irradiation is very high when cooling demands occur (correlation) Less electricity for driving of the machines is needed Low driving temperatures (beginning with C) ideal for flat plate collectors Avoiding stagnation of the collector field in summer because the heat can be used for cooling High efficiency of the solar collector field for the whole course of the year (DHW preparation, cooling in summer and heating in winter) Existing solar collector systems can be enlarged for solar cooling Non toxic materials as working pair (sorbent and refrigerant) of the cooling machine Refrigerant = water has no global warming potential (GWP) Simple construction of the machines, especially adsorption chillers

10 Solar Cooling Systems SOLution Solartechnik GmbH as industrial partner within the EU project Solar Combi+ for solar cooling system with 15 kw absorption chiller and for solar cooling system with 8 kw adsorption chiller (See following package solutions according to the simulation results of SolarCombi+)

11 Solar Cooling Systems principle solar cooling (with absorption chiller)

12 Solar Cooling Systems COP Coefficient of Performance cold energy of the cooling machine COP = driving energy of the machine = cold energy of the cooling machine solar energy + energy backup heater

13 Solar Cooling Systems Methods of solar cooling: Cold water production by absorption chiller Cold water production by adsorption chiller

14 Solar Cooling Systems Absorptionskälteprozess process Condenser Q & C 3 2 Verflüssiger Q & C Generator Expansion valve 3 2 Expansion valve Q & H Austreiber Q & A Pump for sorbent 4 Evaporator 4 Lösungsmittelpumpe Entspannungsventil Expansionsventi l Q & Q & H Q & Absorber A Absorber Verdampfer Q & 0

15 Solar Cooling Systems Absorption process Cold Water Rejected heat Cooling tower Rejected heat Cooling tower Solar heat V -- Evaporator A -- Absorber G -- Generator K -- Condenser Cool water Hot water Cold water Poor solution Rich solution Water

16 Solar Cooling Systems 15 kw absorption chiller

17 Solar Cooling Systems Technical data 15 kw absorption chiller

18 Solar Cooling Systems Adsorption process Condenser Q & C Q & H Desorber Expansion valve Periodic change of function between both chambers Adsorber Evaporator Q & 0 Q & A

19 Solar Cooling Systems Adsorption process

20 Solar Cooling Systems Technical data 8 kw adsorption chiller

21 Solar Cooling Systems Cooling towers (wet, open circuit) Cooling towers (wet, closed circuit) adiabatic re-cooling

22 Solar Cooling Systems package solutions 8 kw adsorption package Pinguin 32 m² collector area Collector mounting components Solar pump station with primary pump External heat exchanger 150 l solar expansion tank Antifreeze concentrate 3-way motor switch valve Secondary solar pump Free progammable controller 1500 l hot buffer storage with insulation 150 l expansion tank in hot water circuit of the absorption chiller 3-way fixed value control 8 kw adsorption chiller 22 kw cooling tower (wet, open circuit) 50 l expansion tank in chilled water circuit of absorption chiller no cold water buffer storage needed 50 l expansion tank in cooling water circuit of absorption chiller Including startup costs and maintenance costs for the first two years Without: Pumps in three circuits of the chiller Cold distribution system Euro: ,-

23 Solar Cooling Systems package solutions 15 kw absorption package Grönland 60 m² collector area Collector mounting components Solar pump station with primary pump External heat exchanger 300 l solar expansion tank Antifreeze concentrate 3-way motor switch valve Secondary solar pump Free progammable controller 3000 l hot buffer storage with insulation 500 l expansion tank in hot water circuit of the absorption chiller 3-way fixed value control 15 kw absorption chiller 35 kw cooling tower (wet, open circuit) 500 l expansion tank in chilled water circuit of absorption chiller 1000 l cold water buffer storage (price special cold insulation on demand) 150 l expansion tank in cooling water circuit of absorption chiller Without: Pumps in three circuits of the chiller Cold distribution system Euro: ,-

24 Solar Cooling Systems Cold distribution system: on site - Chilled ceilings -Chilled sails source: html - Fan Coils - concrete core activation EXAMPLE: Chilled ceiling 75 W/m² ceiling area cooling performance of 20 kw result: 265 m² chilled ceiling surface source:

25 Solar Cooling Systems - References SOLution Solartechnik GmbH: first site, Sattledt Office with 500 m² surface area 20 persons Cooling load 8 kw Installed cooling capacity 15 kw with absorption chiller Collector area 40 m² Open cooling tower 35 kw

26 Solar Cooling Systems - References SOLution Solartechnik GmbH: first site, Sattledt Cold and heat distribution system by chilled ceilings Electronic dew point control

27 Solar Cooling Systems - References SOLution Solartechnik GmbH: first site, Sattledt Hot water buffer storage l Cold waterbufferstorage 800 l

28 Solar Cooling Systems - References SOLution Solartechnik GmbH: first site, Sattledt XX(UVR1611) Außenfühler XX(UVR1611)Raumgerät Heizkreis xx(uvr61) xx(uvr61) XX(UVR1611) C C Kühlturm XX(UVR1611) S1(UVR61) XX(UVR1611) XX(UVR1611) Kaltwasser Puffer 800 xx(uvr61) xx(uvr61) Puffer 2000 S4(UVR61) xx(uvr61) A2(UVR61) A1(UVR61) xx(uvr61) ADG300 XX(UVR1611) xx(uvr61) S3(UVR61) S5(UVR61) XX(UVR1611) XX(UVR1611) XX(UVR1611) A3(UVR61) xx(uvr61) S2(UVR61) xx(uvr61) Verdampfer Absorber Kondensator Generator xx(uvr61) XX(UVR1611) Gas- Therme XX(UVR1611)

29 Solar Cooling Systems - References Manschein GmbH, Gaweinstal (Austria) Office building and show room of installer Manschein GmbH 32 m² Collector area

30 Solar Cooling Systems - References Manschein GmbH, Gaweinstal (Austria) 7,5 kw Adsorption chiller l Hot water buffer storage No cold water buffer storage

31 Solar Cooling Systems - References Manschein GmbH, Gaweinstal (Austria) FRE Energie Kreis SOLution Kollektor Brutto Fläche 32,4 m² 6 bar bar C C KW WW KW WW VL Puffer RL Puffer KWR STB C C A VSG 2,5 ADG 18 l Rückkühler Rückkühlwasserkreislauf UWP 3010 (2,7 m³/h) Kaltwasser Zulauf ADG 140 l RGP 2872 PTL PUE 256 AB R MSV PUE 257 (1,7 m³/h) Heizwasserkreislauf PUE 256 (1,0 m³/h) Kaltwasserkreislauf Adsorptionskälte Maschine ADG 300 l

32 Solar Cooling Systems - References SOLution Solartechnik GmbH: new site, Sattledt 550 m² Collector area l Hot water buffer storage l Cold water buffer storage 60 kw Installed cooling capacity 4 x 15 kw adsorption chillers = 60 kw

33 Planning and support

34 Solar Cooling Systems planning and support

35 Solar Cooling Systems planning and support action Solar cooling training courses for clients, also within Solar Combi+ Check list solar cooling filled by client Detailed Offer by SOLution Charge affirmed by client Delivery of components to client or end-user by SOLution Hydraulic installation on site by installer Coordination and startup of cooling system by SOLution Maintenance of cooling system by SOLution

36 The company - contact Come and visit us! SOLution Solartechnik GmbH Gewerbestr.15 A-4642 Sattledt AUSTRIA contact in France: Elvira Ilming, Responsable Commerciale France Elvira.Ilming@sol-ution.com

37 Thank you for your attention.

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