Embed Size (px)
Citation preview
ASERCOM Annual Meeting Standardization Activities
Heinz Jürgensen
Convenor ASERCOM Work Group Standards
Brussels, 2017-01-13
ASERCOM Annual Meeting, 2017-01-13, Heinz Jürgensen, 2
ASERCOM Standardization targets
Why are we engaging in standardization
Our customers shall be able to trust in our data
Compressor and condensing unit performance data
– EN 12900 and EN 13215 Declaration of performance data
» Defined rating points
» Easier to compare
» Fixed tolerances
» Guaranteed performance
– EN 13771-1 and -2 Performance testing
» Repeatability and accuracy of performance data
– All basis for certification
– Cooperation with AHRI and CRAA for alignment
ASERCOM Annual Meeting, 2017-01-13, Heinz Jürgensen, 3
ASERCOM Standardization targets
Why are we engaging in standardization
Our customers shall be safe
EN 12693 Compressor safety
– Component safety
» Harmonization with Machinery Directive
» Aligned with IEC/EN standards
EN 378 Refrigeration system safety
– General standard setting the landmarks
» Harmonization with Machinery Directive, Pressure Equipment Directive, …
» Aligned widely with ISO 5149
Active members at CEN, ISO, ASHRAE and national standardization bodies
ASERCOM Annual Meeting, 2017-01-13, Heinz Jürgensen, 4
Contents
CEN TC 113 WG 6 Status
Compressors and condensing units
EN Refrigeration System Safety
Compressor safety
ASERCOM – CEN – ISO
AHRI / ASERCOM
ASERCOM Annual Meeting, 2017-01-13, Heinz Jürgensen, 5
EN 13771-1 Compressor performance testing
Compressors and condensing units for refrigeration
– Performance testing and test methods
– Part 1: Refrigerant compressors
Changes in draft standard
Transcritical operation for e.g. CO2
– Nomenclature: liquid fluid
– Diagrams
2-stage / economized compressor
Formula and symbols revision
Conditions for cyclic capacity control
ASERCOM Annual Meeting, 2017-01-13, Heinz Jürgensen, 6
EN 13771-1 Compressor performance testing
EN 13771-1 :2016
Revised Draft given to main committee
CEN TC 113 for formal voting
– After some formality feedback of secretary
– Voting 2016-05-12 until 2016-07-12
– YES
New standard published December 2016
ASERCOM Annual Meeting, 2017-01-13, Heinz Jürgensen, 7
EN 13215 Condensing units performance rating
Condensing units for refrigeration
- Rating conditions, tolerances and
presentation of manufacturer's performance data
EU Mandate M/495 acc to ErP Directive
Additional rating points
– At tamb 32, 25, 15, 5 °C
SEPR calculation
– Annex A with formula, ambient temp bins, …
» Acc to working doc from JIEG
Tolerances part load and SEPR
Economized compressors in CUs
New Annex ZA with reference to Commission Regulation 1095/2015
ASERCOM Annual Meeting, 2017-01-13, Heinz Jürgensen, 8
EN 13215 Condensing units performance rating
EN 13215:2016 Draft given to main committee
CEN TC 113 for evaluation on voting
– Voting 2016-06-01 until 2016-08-01
– YES
New standard published December 2016
ASERCOM Annual Meeting, 2017-01-13, Heinz Jürgensen, 9
Temperature glide impact on EN 13215 Condensing units performance (theoretical)
/ Rating point for compressor Rating point B for CU
Dew pt / dew pt Dew pt / air temperature (≈mid pt)
-35 / 40 / 20 °C (to/ tc resp ta/ RGT) -35 / 25 / 20 °C and 15 K ΔTc
ASERCOM Annual Meeting, 2017-01-13, Heinz Jürgensen, 10
EN 13771-2 Condensing units performance testing
Compressors and condensing units for refrigeration
– Performance testing and test methods
– Part 2: Condensing units
Economized/2-stage
Carbon dioxide CO2 transcritical
Transfer formula and symbols from part 1
Define air side for testing more specific
Text and formula revision drafted
CEN / TC 113 meeting 2016-06-21
– Draft for CEN Enquiry voting accepted
» Technical comments possible
» Voting running
Next WG6 meeting March 2017
– Process comments
ASERCOM Annual Meeting, 2017-01-13, Heinz Jürgensen, 11
EN 13771-2 Condensing units performance testing
Test setup definition to improve accuracy
Sensor location definitions
– EN 327 testing of air cooled refrigerant condensers
Room size and air flow definition
– EN 14511-3 testing of heat pump/AC outdoor units
Operational descriptions for CUs
– Subcooling, temperature deviations, …
Other revision parts from EN 13771-1 compressor testing
Strongly revised test uncertainty description
Definitions on power absorbed
– inverter driven compressors
– Open type compressors
New result evaluation (incl statistics and cyclic capacity control)
ASERCOM Annual Meeting, 2017-01-13, Heinz Jürgensen, 12
EN 378 alignment ISO 5149:2014
Refrigerating systems and heat pumps
– Safety and environmental requirements
In CEN / TC 182
Incorporation of new A2L and B2L lower flammability class
Refrigerants of the future
– Necessary for phase out of F-Gases with high global warming
Focus on safety
Harmonization with PED
CEN voting: YES
New standard end of 2016
ASERCOM Annual Meeting, 2017-01-13, Heinz Jürgensen, 13
EN 12693 revision
Refrigerating systems and heat pumps
– Safety and environmental requirements
– Positive displacement refrigerant compressors
In CEN / TC 182
Minor changes requested
Alignment with other revised standards
Incorporation of rules for inverters in high voltage safety testing
Draft for changes submitted 2016-03 on TC 182 meeting
CEN voting: YES
ASERCOM Annual Meeting, 2017-01-13, Heinz Jürgensen, 14
Status ISO TC 86 Refrigeration
Plenary meeting called in Atlanta 2016-05-18 to 05-25
Secretariat ANSI/USA
Seems to be a re-boot
All SCs meet
TC 86 SC 4 meeting
2016-05-20
Secretariat China
Compressors
No participation in plenary from TC 113 WG 6 possible
– Active participation in work via DIN / HJ
ASERCOM Annual Meeting, 2017-01-13, Heinz Jürgensen, 15
Status ISO TC 86 WG 4 Compressor Performance
ISO 9309:1989 Refrigerant compressors – Presentation of
performance data Similar to EN12900 – outdated
ISO 917:1989 Testing of refrigerant compressors Similar to EN13771 - outdated
Withdrawn April 2015 by TC 86
– Decision of summer 2014
Withdrawal seems withdrawn
– Both standards may be revised
– Ideas for new standards on operation performance investigated
ASERCOM Annual Meeting, 2017-01-13, Heinz Jürgensen, 16
ISO TC 86 Work item proposals
Qualification of personnell Basis EN 13313
Possible: ISO/R 916 Testing of refrigeration systems
(revision)
Basis DIN 8976:2016
Revision of DIN 8976:1972
English version send to ISO as working draft
– ISO TC 86 SC 4 will be responsible
– Accepted as working draft
ASERCOM Annual Meeting, 2017-01-13, Heinz Jürgensen, 17
AHRI - ASERCOM Uncertainties Workgroup
Joint work group AHRI and ASERCOM
Develop white paper on uncertainties
– Common understanding of
» Concept
» Terms
» Tolerance, testing uncertainty, reproducibility, …
– Compressor testing
» Testing procedure deviation allowances
– Performance declaration
» Production variation
» Random testing uncertainties
– Good base for political stakeholder discussions
Draft White Paper technically finished
– Editorial refining in progress
ASERCOM Annual Meeting, 2017-01-13, Heinz Jürgensen, 18
ASERCOM Standards Conclusion
Work where our competence is
Work where our customers benefit
Focus on component standards
Performance data
– Presentation and testing
Compressor safety
Involvement in system safety standards
Cooperation with other associations
AHRI
CRAA
Activities in CEN, ASHRAE, ISO, national bodies
