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BS EN 12975-2:2006

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Thermal solar systems and components. Solar collectors Test methods
Available format(s)

Hardcopy , PDF

Superseded date

30-11-2013

Language(s)

English

Published date

28-04-2006

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and units
5 Reliability testing of liquid heating collectors
  5.1 General
  5.2 Internal pressure test for absorbers
  5.3 High-temperature resistance test
  5.4 Exposure test
  5.5 External thermal shock test
  5.6 Internal thermal shock test
  5.7 Rain penetration test
  5.8 Freeze resistance test
  5.9 Mechanical load test
  5.10 Impact resistance test (optional)
  5.11 Final inspection
  5.12 Test report
6 Thermal performance testing of liquid heating collectors
  6.1 Glazed solar collectors under steady state conditions
       (including pressure drop)
  6.2 Unglazed solar collectors under steady state conditions
       (including pressure drop)
  6.3 Glazed and unglazed solar collectors under quasi-dynamic
       conditions
Annex A (normative) Schematics for durability and reliability
                    tests
Annex B (normative) Durability and reliability test report
                    sheets
      B.1 Record of test sequence and summary of main results
      B.2 Internal pressure test for inorganic absorbers
      B.3 Internal pressure test for absorbers made of organic
           materials
      B.4 High-temperature resistance test
      B.5 Exposure test
      B.6 External thermal shock test:
      B.7 Internal thermal shock test:
      B.8 Rain penetration test
      B.9 Freeze resistance test
      B.10 Mechanical load test
      B.11 Impact resistance test using steel balls
      B.12 Impact resistance test using ice balls
      B.13 Final inspection results
Annex C (normative) Stagnation temperature of liquid heating
                    collectors
      C.1 General
      C.2 Determination of stagnation temperature
Annex D (normative) Performance test report for glazed solar
                    collectors
      D.1 General
      D.2 Solar collector description
      D.3 Test results
Annex E (normative) Performance test report for unglazed solar
                    collectors
      E.1 General
      E.2 Solar collector description
      E.3 Test results
Annex F (normative) Modelling of the coefficients c[1] to c[6]
                    of the Collector model of 6
Annex G (normative) Measurement of effective thermal capacity
      G.1 Test installation
      G.2 Indoor test procedure
      G.3 Outdoor or solar irradiance simulator test procedure
Annex H (informative) Comparison of the collector model of 6.1 to
                      The collector model of 6
Annex I (informative) Properties of water (see DIN V
                      4757-4:1995-11)
      I.1 Density of water (at 1 bar) in kg/m[3]
      I.2 Specific heat capacity of water (at 1 bar) in kJ/kg K)
Annex J (informative) Performance test report summary for
                      quasi dynamic test method
Annex K (informative) General guidelines for the assessment
                      of uncertainty in solar collector
                      efficiency testing
      K.1 Introduction
      K.2 Measurement uncertainties in solar collector efficiency
          testing
Annex L (informative) Determination of the pressure drop across
                      a collector
      L.1 General
      L.2 Test installation
      L.3 Preconditioning of the collector
      L.4 Test procedure
      L.5 Measurements
      L.6 Pressure drop caused by fittings
      L.7 Test conditions
      L.8 Calculation and presentation of results
Bibliography

Gives test methods for validating the durability, reliability and safety requirements for liquid heating collectors as specified in EN 12975-1.

Committee
RHE/25
DevelopmentNote
Supersedes 97/718661 DC (01/2003) Supersedes 04/30113519 DC. (04/2006)
DocumentType
Standard
Pages
144
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

12/30177610 DC : 0 BS 5918 - SOLAR HEATING SYSTEMS FOR DOMESTIC HOT WATER - CODE OF PRACTICE
13/30274184 DC : 0 BS 5918 - SOLAR HEATING SYSTEMS FOR DOMESTIC HOT WATER - CODE OF PRACTICE

ISO 9845-1:1992 Solar energy — Reference solar spectral irradiance at the ground at different receiving conditions — Part 1: Direct normal and hemispherical solar irradiance for air mass 1,5
ISO 9459-1:1993 Solar heating — Domestic water heating systems — Part 1: Performance rating procedure using indoor test methods
ISO 9488:1999 Solar energy Vocabulary
ISO 9060:1990 Solar energy Specification and classification of instruments for measuring hemispherical solar and direct solar radiation
ISO 9553:1997 Solar energy — Methods of testing preformed rubber seals and sealing compounds used in collectors
EN 12975-1:2006+A1:2010 Thermal solar systems and components - Solar collectors - Part 1: General requirements
NFP 50 501 : 1980 LIQUID CIRCULATION SOLAR DETECTING ELEMENTS - MEASUREMENT OF THERMAL PERFORMANCES
ISO/TR 9901:1990 Solar energy Field pyranometers Recommended practice for use
ISO 9847:1992 Solar energy — Calibration of field pyranometers by comparison to a reference pyranometer
EN ISO 5167-1:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 1: General principles and requirements (ISO 5167-1:2003)
EN ISO 9488:1999 Solar energy - Vocabulary (ISO 9488:1999)
ISO 5167-1:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 1: General principles and requirements
ISO 9459-2:1995 Solar heating — Domestic water heating systems — Part 2: Outdoor test methods for system performance characterization and yearly performance prediction of solar-only systems
ASHRAE HDBK REFRIGERATION : 2014 ASHRAE HANDBOOK - REFRIGERATION
ASHRAE 41.7 : 2015 METHODS FOR GAS FLOW MEASUREMENT
ISO 9806-1:1994 Test methods for solar collectors Part 1: Thermal performance of glazed liquid heating collectors including pressure drop
ISO 9808:1990 Solar water heaters Elastomeric materials for absorbers, connecting pipes and fittings Method of assessment
BS 6757:1986 Methods of test for thermal performance of solar collectors
ISO 9846:1993 Solar energy Calibration of a pyranometer using a pyrheliometer
ISO 9806-2:1995 Test methods for solar collectors Part 2: Qualification test procedures
ISO 9806-3:1995 Test methods for solar collectors — Part 3: Thermal performance of unglazed liquid heating collectors (sensible heat transfer only) including pressure drop

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