Building and Use

1. CIAT Commercial Agency, Septèmes-les-Vallons (13), FRANCE E.AUZENET, J. CANON CIAT: Compagnie Industrielle d’Applications Thermiques Building and Use Heating & Cooling System Heat Pump Air Handling Unit Fan Coil Unit • Number of device: 1 • Two R410A scroll compressors in parallel operating in stages • Electronic expansion valve • CIAT brazed plates heat exchangers • Heating Capacity: 25 kW • Cooling Capacity: 22.5 kW • Seasonal Coefficient Of Performance (SCOP *): 6.2 • Seasonal Energy Efficiency Ratio (SEER*): 7.3 * : according to PrEN14825(2008) • Working fluid: Pure water • Location: Septèmes les Vallons (South of France) • Building: composed of: • An office part of 250 m² • A workshop part of 88 m² • Total: 338 m² • Occupation: 9 workers, in the work days hours • Thermal needs: • Heating: 25 kW • Cooling: 15 kW Heating and cooling system Borehole Heat Exchanger Heating & Cooling System • Variable Speed Pumps • 6 three-way valves that allows: • Geocooling mode • Heating mode • Cooling mode • The heat exchangers are always in counterflow • 14 Fan Coil Units with high energy efficiency: • Brushless motors • COANDA effect • Unitary Heating capacity: 3.22 kW • Unitary Cooling capacity: 2.56 kW • Air Handling Unit: • Simple flow • Heating capacity: 5.25 kW • Cooling Capacity: 3.93 kW • Maximum air flow: 600 m3/h • Controller: Easy Ciat Control • Heat Pump • Fan Coil Units • Air Handling Unit BHE field photo Energy performance • General soil profile: Limestone • Boreholes: • 6 boreholes of 100 meters depth • Each borehole contain double-U tubes of 40 mm diameter • Available surface area: 140 m² • Borehole filling: Bentonite • Pipe Material: Polyethylene • Working fluid: Pure water Monitoring Under Deployment Companies Involved • Augsburger driller (CH) • D. Ley Architect (F) • G. Petitjean Plumber (F) • C. Burnaz Electricity (F) • Cristopia Control and Heat storage (F) • CIAT Service (F)