SOLEL SUNCOOLER SOLAR-POWERED AIR-CONDITIONING / HEATING SYSTEM

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Bryce Harrington
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1 SOLEL SUNCOOLER SOLAR-POWERED AIR-CONDITIONING / HEATING SYSTEM organization / project coordinator (address, telephone, ) Solel Solar Systems Ltd./ Mr. Avi Brenmiller 3, Hac'shara St, Industrial Zone West, POB 811, Beit Shemesh, Israel 99107Tel: +972(0) , Fax: +972(0) , avi@solel.com partnership (names, affiliations, contact information) Solel Solar Systems Ltd. type of project Demonstration, R & D System period of project (start-end) status of project (mainly r and d projects) Ongoing (dd/mm/year): Other: 01/ 07/ present Demonstration project objectives (mainly r and d projects) Demonstration of a solar-powered absorption system for cooling Demonstration of a solar-powered absorption system for cooling same solar collectors serve for winter heating. The Company's objective is to market the complete system commercially. project overview (deliverables, future work) Project is presently in operation since 7/2001. It provides cooling to an office building and industrial environment at the Conpany's site. Data is being collected.

com partnership (names, affiliations, contact information) Solel Solar Systems Ltd.

2 performance (cop-graph, capacity chart etc)

3 application Air conditioned floor area [m²]: Air conditioning, Factory, Office private 600 location and relevant weather data system classification system / technology description City: Country: Latitude [deg.]: Longitude [deg.]: Altitude [m]: Beit Shemesh Israel Summer Winter Average Mean outdoor temperature [ C]: Mean outdoor humidity [%]: Indoor temperature [ C]: Indoor humidity [%]: Cooling tower type: Cooling process: Absorption Wet Closed The system consists of a single-effect LiBr-water absorption chiller powered by hot water from an array of solar collectors. The chiller is a commercial product obtained from the Japan-based Yazaki Co. The collectors have been developed and are manufactured by the Solel company. Solel has also performed the system integration and developed the system concept. The system comprises, in addition to the collectors and absorption chiller, a cooling tower, heat storage in the form of a hot water storage tank, piping and controls and a data acquisition system. From the Company's web site: SunCooler: The Solel SunCooler is a breakthrough in renewable energy applications. It provides air-conditioning and heating for industrial, commercial and large residential buildings while drastically reducing energy charges. The SunCooler is powered by solar radiation with an additional back-up fuel source, so it can operate any time of day or night. SunCooler comprises flat collectors, an absorption chiller, minor auxiliary equipment and a compact storage tank. SunCooler Features: Powered by clean solar energy Operates on a variety of backup energy sources including; gas, biomass, etc Dependable and reliable - provides heating/cooling at any time, day or night SunPro Solar Collectors are low maintenance, non-tracking, flat collectors unparalled in performance and efficiency Electrical costs reduced by up to 75% compared to conventional A/C Competitively priced - competes with conventional air-conditioning systems over life-cycle Modular System - sized from 10 to 1,000 TR Required area of 1,000 sq. ft. to power a 10 ton refrigerating capacity Collectors are attractive and robust. They can be roof-mounted SunCooler's design is revolutionary with no movable parts (except for minor pumps) 10 years guarantee with normal maintenance; proprietary and patented technology

8 Mean outdoor humidity [%]: 60 64 61 Indoor temperature [ C]: 25 20 22.

4 system diagram / drawing / pictures

5 solar system backup system performance data I. chiller/ refrigerator data Thermal: Average operating temperature [ C]: Reporting period (dd/mm/year): System thermal COPth: Water heating, Flat (common), Stationary Gas, Electric (compression) Operation 01 / 07 / present 0.72 I.1 standard performance The heating medium is: The cooling medium is: The cold medium is: Water Water Water Supply [ C] Return [ C] Flow [m³/hr] Heating medium temperature and flow rate: Cooling medium temperature and flow rate: Cold medium temperature and flow rate: Machine (chiller or refrigerator) capacity [kw]: Electricity demand [kw]: Thermal COPth: I.2 non-standard (part-load) performance hot water inlet to generator varied in the range 72-88, cooling tower water inlet varied in the range 26-31, chilled water outlet varied in the range 7-12 C, cooling capacity varied in the range TR ( kw) [annual consumption] Water consumption [m³/yr]: Gas consumption [N.m³/yr]: Electricity consumption [kwh/yr]: III. solar system [solar thermal] Solar collector area [m²]: Average collector efficiency [%]: Collector optical efficiency coefficient (Co): Solar buffer heat storage size [m³]: Solar gains [kw]: IV. backup system Heater capacity [kw]: Average heater efficiency [%]: general [annual energy sums] Required total (solar & backup) heat [kwh/yr]: Required heat (heating, humidification) [kwh/yr]: Required heat from backup heat source [kwh/yr]: Delivered cold (cooling, dehumidification) [kwh/yr]:

Operation 01 / 07 / 2001 - present 0.72 I.

6 Total solar radiation incident on solar collectors [kwh/yr]: Delivered gross energy from solar collectors [kwh/yr]: financial data [energy & water costs] Electricity (energy price) [EUR/kWh]: Electricity (peak power price) [EUR/kW]: Water [EUR/m³]:

financial data [energy & water costs] Electricity (energy price)

ALONE. small scale solar cooling device Project No TREN FP7EN 218952. Project No TREN/FP7EN/218952 ALONE. small scale solar cooling device

ALONE. small scale solar cooling device Project No TREN FP7EN 218952. Project No TREN/FP7EN/218952 ALONE. small scale solar cooling device Project No TREN/FP7EN/218952 ALONE small scale solar cooling device Collaborative Project Small or Medium-scale Focused Research Project DELIVERABLE D5.2 Start date of the project: October 2008, Duration: