eurammon Symposium 2015 Ecodesign Regulations for Liquid Chillers for Hermann Renz, BITZER GmbH
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1 eurammon Symposium 2015 Ecodesign Regulations for Liquid Chillers for Hermann Renz, BITZER GmbH Hermann Renz, BITZER GmbH Schaffhausen, 25 th /26 th June, 2015
2 Ecodesign Regulations for Liquid Chillers Contents Main objectives of Ecodesign Framework Directive Projects within the Ecodesign Framework Directive ENTR Lot 1 / ENER Lot 21 Application ranges Mandatory requirements for placing on the market Load and temperature profiles Calculation method Efficiency requirements MEPS Summary Schaffhausen, 25 th / 26 th June, 2015 Page 2
3 Ecodesign Framework Directive 2009/125/EC The four main objectives Ensure the free movement of energy-related products within the EU Improve the overall environmental performance of these products and thereby protect the environment, Contribute to the security of energy supply and enhance the competitiveness of the EU economy, Preserve the interests of industry, consumers, and other stakeholders Schaffhausen, 25 th / 26 th June, 2015 Page 3
4 Projects (Lots) within the Ecodesign Framework Directive 2009/125/EC Commissions Energy (ENER) and Enterprise (ENTR) ENER Lot. ENTR Lot. 1. Boilers 10. Air cond. < 12 kw 20. Local room heating 1. Refrigeration 2. Water heaters 11. Motors, fans,.. - under revision 21. Central heating, cooling products 2. Transformers 3. PC 12. Com. Refrigerators.. 3. Multimedia 4. Copiers 13. Domestic Refrig Industr. furnaces 5. TV, 14. Dish washers 30. Motors / Drives 5. Machine tools 6. Stand-by losses 15. Fossil fuel burner 31. Compressors 6. A/C and Ventilation HT Process Chillers Comfort A/C Chillers Air Heating Heat Pumps 7. Battery charger 16. Laundry Driers 32. Windows 7. Steam boilers 8. Office lights 17. Vacuum cleaners 8. Power cables 9. Street lights 18. Set top boxes 9. Enterprise servers MT & LT Process Chillers Condensing Units HVAC&R Involvement 19. Domestic lighting Current main work items for HVAC&R Schaffhausen, 25 th / 26 th June, 2015 Page 4
5 Major Projects for HVAC&R Current Major Focus ENTR Lot 1 Professional Storage Cabinets, Blast Cabinets, Condensing Units and MT/LT Process Chillers ENER Lot 21 Air Heating Products (incl. Air HP), Cooling Products (incl. A/C Chillers) and High Temp Process Chillers Both Lots are still in a draft stage Regulation acc. to Lot 1 expected for July! Further Lots of Relevance ENER Lot 1(2) (EU) No 813/2013 Space heaters and Combi Heaters ENER Lot 11 ENER Lot 12 ENER Lot 30 (EU) No 327/2011 Fans Driven by Motors Revision Commercial Refrigerators and Freezers Motors & Variable Speed Drives ENTR Lot 6 A/C and Ventilation Units (merged with ENER Lot 10) Schaffhausen, 25 th / 26 th June, 2015 Page 5
6 ENTR Lot 1 / ENER Lot 21 Application Ranges for Chillers (1) Process Chillers (2) Comfort A/C Chillers LT -25 C brine MT -8 C brine HT +7 C water A/C +7 C water air-cooled and water-cooled air-cooled and water-cooled air-cooled and water-cooled air-cooled and water-cooled ENTR Lot 1 ENER Lot 21 Schaffhausen, 25 th / 26 th June, 2015 Page 6
7 ENTR Lot 1 Process Chillers (LT / MT) Mandatory Requirements for Placing on the Market Minimum Efficiency Performance Standards MEPS Process Chillers LT / MT SEPR SEER LT (brine -25 C) Cooling capacity < 200 kw // 200 kw MT (brine -8 C) Cooling capacity < 300 kw // 300 kw t amb (A) 35 C t amb (B) 25 C t amb (C) 15 C t amb (D) 5 C Criteria for MEPS* Application of the Regulation from.. full load part load part load part load Tier Tier SEPR Seasonal Energy Performance Ratio - calculated from EER at full and part load points Schaffhausen, 25 th / 26 th June, 2015 Page 7
8 ENER Lot 21 Process Chillers (HT) Mandatory Requirements for Placing on the Market Minimum Efficiency Performance Standards MEPS Process Chillers SEPR h s,c (SEER) HT (water 7 C) Cooling capacity < 400 kw // 400 kw // 1500 kw (water-cooled condenser) t amb (A) 35 C t amb (B) 25 C or 30 C t amb (C) 15 C or 25 C t amb (D) 5 C or 20 C Criteria for MEPS* Application of the Regulation from.. full load part load (25 ) part load (15 ) part load (5 ) Tier ?? Tier ?? or* full load part load (30 ) part load (25 ) part load (20 ) * Not yet confirmed SEPR Seasonal Energy Performance Ratio - calculated from EER at full and part load points h s,c Seasonal Space Cooling Efficiency [%] ISC Schaffhausen, 25 th / 26 th June, 2015 Page 8
9 ENER Lot 21 Comfort A/C Chillers Mandatory Requirements for Placing on the Market Minimum Efficiency Performance Standards MEPS Comfort A/C Chillers SEPR h s,c (SEER) A/C (water 7 C) Cooling capacity t amb (A) 35 C t amb (B) 30 C t amb (C) 25 C t amb (D) 20 C Criteria for MEPS* Application of the Regulation from.. < 400 kw // 400 kw // 1500 kw (water-cooled cond.) full load part load part load part load Tier ?? Tier ?? ISC h s,c Seasonal Space Cooling Efficiency [%] - calculated from SEER by CC (PEF) = 2.5 SEER Seasonal Energy Efficiency Ratio - calculated from EER at full and part load points Schaffhausen, 25 th / 26 th June, 2015 Page 9
10 Load and Temperature Profiles ENTR Lot 1 ENER Lot 21 LT Process Chillers MT Process Chillers HT Process Chillers A/C Comfort Chillers Reference Condition aircooled t amb [ C] watercooled t water [ C] load [%] Reference Condition aircooled t amb [ C] watercooled t water. [ C] load [%] A B C D A B C D Schaffhausen, 25 th / 26 th June, 2015 Page 10
11 Load profile [%] Liquid Chillers Load Profile vs. Ambient Temperature Ambient temperature [ C] Schaffhausen, 25 th / 26 th June, 2015 Page 11
12 BIN hours per year Temperature Profile Strasbourg ENTR Lot 1 Process Chillers Ambient temperature [ C] Schaffhausen, 25 th / 26 th June, 2015 Page 12
13 BIN BIN Stunden hours per pro year Jahr Temperature Profile ENER Lot 21* (EN 14825) for A/C Chillers vs. Temperature Profile Strasbourg Efficiency Evaluation SEPR Efficiency Evaluation h s,c (SEER) Umgebungstemperatur [ C] Ambient temperature [ C] * based on EN Schaffhausen, 25 th / 26 th June, 2015 Page 13
14 SEPR and SEER Calculation Method Seasonal Energy Performance Ratio Seasonal Energy Efficiency Ratio SEPR SEER EER bin SEPR, SEER = seasonal cooling demand seasonal electrical energy demand T j = BIN temperature j = BIN number with j {1,2, n} P R (Tj) = Refrigeration (cooling) demand for the corresponding BIN temperature T j h j = Number of BIN hours occurring at the corresponding BIN temperature T j COP PL (T j ) = COP values of the unit for the corresponding BIN temperature T j EER bin (T j ) = EER values of the unit for the corresponding BIN temperatur T j Schaffhausen, 25 th / 26 th June, 2015 Page 14
15 Cooling demand [-] Duration per bin in hours Degradation Coefficients for EER Correction Example: Process Chillers w/o Capacity Modulation 1,4 1,2 1,0 0,8 0,6 0,4 0,2 0,0 bin hours Demand D C Ambient temperature in C Capacity characteristic w/o modulation Degradation (Cd) of EER Cd B A Schaffhausen, 25 th / 26 th June, 2015 Page 15
16 EER Correction: Chillers w/o Modulation Part load EER for chillers (compressors) w/o capacity modulation: Calculation according to EN Degradation Coefficient (Cd), (Cdc) at part load (CR = capacity ratio): Cdc can be determined by test (EN 14825) A/C Chillers incl. power demand of all auxiliaries during standstill (e.g. oil heater). If not to be determined by test Cdc = 0,9 Process Chillers: Due to very high running hours over the year, power demand for oil heaters is not relevant for Cdc Schaffhausen, 25 th / 26 th June, 2015 Page 16
17 Excel Sheet for SEPR Calculation Example: Process Chillers Temperature range for SEPR calculation from -19 C to 38 C in 1 K increments 4 Reference Conditions: 35, 25, 15, 5 C ambient Schaffhausen, 25 th / 26 th June, 2015 Page 17
18 ENTR Lot 1 / ENER Lot 21 Projects Efficiency Requirements for Liquid Chillers Minimum Energy Performance Standards MEPS Schaffhausen, 25 th / 26 th June, 2015 Page 18
19 ENTR Lot 1 / ENER Lot 21 Status Following slides are showing the current status of minimum efficiency requirements (MEPS) Process Chillers: MEPS are accepted by Commission Officials and Stakeholders and will most likely not be changed in the final Regulation Comfort A/C Chillers: Very challenging (some non-plausible) MEPS were not lowered during the current Inter-service Consultation Process despite of convincing counter proposals from Stakeholders at an earlier stage Further initiatives are taken with the target to reach a consensus with the hope that MEPS (at least for Tier-1) will be changed Schaffhausen, 25 th / 26 th June, 2015 Page 19
20 ENTR Lot 1 / ENER Lot 21 Liquid Chillers Proposed Minimum Energy Performance Standards MEPS Process Chillers SEPR Analysis LT air-cooled MT air-cooled HT air-cooled Cooling capacity MEPS Tier-1 MEPS Tier-2 < 200 kw 200 kw < 300 kw 300 kw < 400 kw 400 kw 1,48 1,6 2,24 2,8 4,5 5,0 1,7 1,84 2,58 3,22 5,0 5,5 LT water-cooled < 200 kw 200 kw 1,82 2,1 2,09 2,42 MT water-cooled < 300 kw 300 kw 2,86 3,8 3,29 4,37 HT water-cooled < 400 kw 400 kw 1500 kw (ISC ) 6,5 7,5 8,0 7,0 8,0 8,5 Schaffhausen, 25 th / 26 th June, 2015 Page 20
21 A/C Chillers Conversion of SEER to Seasonal Space Cooling Energy Efficiency h s,c 1 CC h s,c [%] = SEER [%] F (i) [%] Subject for misinterpretation to be clarified with Commission SEER h s,c [%] =? 2,5 1,03 h s,c [%] = SEER 40 1,03 Conversion Coefficient CC = 2,5 (PEF) reflecting the estimated 40% average efficiency for generating electrical energy within the EU acc. to Directive 2012/27/EU, Annex IV Summation of Corrections F (i) = 3% accounts for the negative contribution due to adjusted contributions of temperature controls Schaffhausen, 25 th / 26 th June, 2015 Page 21
22 ENER Lot 21 Liquid Chillers Proposed Minimum Seasonal Space Cooling Efficiency Comfort A/C Chillers h s,c / SEER Analysis Refrigerants GWP > 150 air-cooled water-cooled Cooling capacity h s,c (SEER) Tier-1 h s,c (SEER) Tier-2 < 400 kw 400 kw < 400 kw 400 kw 1500 kw 157% (4,0) 173% (4,4) 196% (5,1) 256% (6,6) 256% (6,6)?? 161% (4,1) 185% (4,7) 200% (5,2) 272% (7,0) 272% (7,0)?? Comfort A/C Chillers h s,c / SEER Analysis Refrigerants GWP < 150 air-cooled water-cooled Cooling capacity h s,c Tier-1 h s,c Tier-2 < 400 kw 400 kw < 400 kw 400 kw 1500 kw 141% 156% 176% 230% 230%?? 145% 167% 180% 245% 245%?? ISC Schaffhausen, 25 th / 26 th June, 2015 Page 22
23 Ecodesign ENER Lot 21 A/C Chillers < 400 kw Market Influence within EU Tier-2 Tier-1 Tier-1: 2017 ~ 87% 80% Tier-2: 2019 ~ 92% 88% MEPS are not achieved by Eurovent data base : ESEER translated into SEER net Schaffhausen, 25 th / 26 th June, 2015 Page 23
24 Further Requirements Process and Comfort A/C Liquid Chillers Requirements for tolerances: SEPR, h s,c (SEER), EER at Reference Conditions Comfort A/C Chillers (air-cooled) Limits for maximum sound power levels General formal requirements acc. Directive 2009/125/EU Conformity assessment acc. Article 8 (2) CE Marking including Declaration of Conformity Technical Documentation acc. Annex IV and V Information on disassembly, recycling and disposal Schaffhausen, 25 th / 26 th June, 2015 Page 24
25 Example: Process Chillers Data sheet for performance declaration Schaffhausen, 25 th / 26 th June, 2015 Page 25
26 Summary Ecodesign Regulations Liquid Chillers are setting very high Energy Efficiency requirements in future Regulations still in draft stage ENTR Lot 1 expected for July 2015 Minimum Energy Performance Standards (MEPS) will become mandatory for being allowed to place products on the EU Market Tier-1 for CU and LT / MT Process Chillers as of July 1, 2016 Liquid Chillers for Comfort A/C will in future be assessed on basis of Seasonal Space Cooling Energy Efficiency Eurovent data base shows that the majority of currently produced products must be dropped from the market Proposed MEPS from the EU Commission are overstated request from Stakeholders to set lower levels Schaffhausen, 25 th / 26 th June, 2015 Page 26
27 Thank You for Your Attention! Contact: Hermann Renz Eschenbruennlestr. 15, D Sindelfingen Germany
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