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IEA HPT Annex 40 Heat pump concepts for Nearly Zero Energy Buildings Case Study IEA HPT Annex 40 Pictures of the monitoring plant, blue pictures as background, if not enough pictures are available Logos of involved institutions Logos of involved institutions Images, Title of case study or best practice project Subtitle of case study orscheme best practice project cutaway views Summary Summary of the field monitoring project Concept Building Data Depiction of concept as square diagram (optional) Summary of building data Template as power point on the internal Annex 40 website October 2015 International Energy Agency Heat Pumping Technologies Pictures of the monitoring plant, blue pictures as background, if not enough pictures are available Logos of involved institutions 2 Background General market situation of the considered system Particular investigations carried out in the field monitoring project text Images, scheme Technical concept cutaway views Description of technical specifications of the field monitoring plant Description of functionalities Description of controls applied Caption Technical data of the unit/ building text Box with summary of technical data of the system or of the building, e.g. System configuration, System type Refrigerant, Output capacity, COP, data of the different components,volume flow rates Electrical backup Noise emissions Storage volume Ventilation rate As list State of market introduction Market state *footnote, e.g. testing standards, points About one sentence text Images, schemes cutaway views caption Pictures of the monitoring plant, blue pictures as background, if not enough pictures are available Logos of involved institutions 3 Field monitoring results Energy balances, Section describing the field monitoring and the field monitoring results energy flow chart Measurement period fractions as diagrams Measurement equipment comparisons real world operation – design values, calculated values Reasons for decisions, concept for measurements Settings in the pilot plant Energy balances, nZEB Balance caption Comparison field test results to calculated values Performance indicators, e.g. Performance charateristics Seasonal performance factors, e.g. SPF heat pump (boundary COP) Self-consumption of PV-electricity, load match, grid interaction, if applicable SPF system (all system components) Fractional losses/consumption, e.g. Changes during measurements Fraction storage losses (of total heat) Uncertainty of measurements Fraction back-up, auxiliaries (of total electricity) Conclusions, evaluations, recommendations Ratio of covered energy Supply cover factor Demand cover factor As text Operation times, e.g. Heat pump space heating, DHW As list Energy balances, energy flow chart pie diagrams (energy fractions), comparisons real world operation – design values, calculated values Images, Diagrams, Tables Pictures of the monitoring plant, blue pictures as background, if not enough pictures are available Logos of involved institutions System optimisation Economy, Ecology and Costs Derived characteristic number Evaluation of economy e.g. investment costs, installations cost, specific maintanance required, Interpretation of performance avoided costs compared to common designs Weak points, optimisation potentials payback time (compared to reference system) Evaluation of ecology, mainly CO2 emission Other environmental benefit Reached comfort Comparison to reference system Avoided emission If available primary energy Data sources PV economy and feed-in tariffs, As text or as key sentences (partly tabled values) As text Imprint Literature Architecture and Design e.g. link to detailed reports, publications Involved persons in the design phase link to other literature sources Field monitoring Institutions involved in the field measurements Date of sheet: October 2015 IEA HPT Annex 40 IEA HPT Annex 40 is a corporate research project on heat pump application in Nearly Zero Energy Buildings The project is accomplished in the Heat Pumping Technologies (HPT) Implementing Agreement of the International Energy Agency (IEA). Internet: http://www.annex40.net 4