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STN EN 12977-2


Označenie: STN EN 12977-2 zrušená
Slovenský názov: Tepelné solárne systémy a komponenty. Systémy stavané na zákazku. Časť 2: Metódy skúšania pre solárne ohrievače vody a kombinované systémy
Anglický názov: Thermal solar systems and components - Custom built systems - Part 2: Test methods for solar water heaters and combisystems
Pôvodné označenie:
Dátum vydania: 1. 10. 2012
Dátum zrušenia: 31. 10. 2018
Jazyk: EN
ICS: 27.160
Triediaci znak: 74 7203
Úroveň zapracovania: idt EN 12977-2:2012
Vestník: 09/12
Poplatok: Tlačená verzia: 21,40 € 


Elektronická verzia
  1. Bez možnosti tlače, prenosu textu a obrázkov: 19.26 €
  2. Bez možnosti tlače, s prenosom textu a obrázkov: 21.40 €
  3. S možnosťou tlače, prenosu textu a obrázkov: 27.82 €
Vestník harmonizácie:
Nariadenie vlády:
Zmeny:
Nahradzujúce normy: STN EN 12977-2:2018-10 (74 7203)
Nahradené normy: STN P CEN/TS 12977-2:2011-12 (74 7203)
Poznámka vo Vestníku:
Predmet normy:



Obsah normy STN EN 12977-2
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 System classification
6 Test methods
6.1 Introduction
6.2 General
6.3 Materials
6.4 Components and pipework
6.5 Safety equipment and indicators
6.6 Installation
6.7 Initial operation, inspection and commissioning
6.8 Documentation
6.9 System performance (for small systems only)
6.10 Water wastage (for small systems only)
7 Optional performance test of small custom built solar heating systems
7.1 General
7.2 Test of the solar collector
7.3 Test of the water store(s)
7.4 Test of the control equipment
7.5 Determination of the hot water comfort
7.6 System simulation model
7.7 Long-term performance prediction
7.8 Presentation of performance indicators
8 Performance test report
Annex A (normative) Reference conditions for performance prediction
A.1 General
A.2 Pipe diameter and insulation thickness
A.3 Calculation of mains water temperature at reference location
A.4 Space heating load
Annex B (normative) Additional information regarding the calculation of the fractional energy savings
B.1 Definition of a conventional reference water heating system
B.2 Calculation of fractional energy savings for other conditions
Annex C (informative) Short-term system testing
C.1 General
C.2 Instrumentation, data acquisition and processing
C.3 Check of short-term system performance
C.4 Short-term test for long-term system performance prediction
Annex D (informative) Long-term monitoring
D.1 General
D.2 Evaluation chart
D.3 Monitoring equipment
D.4 Data analysis
Annex E (informative) Determination of water wastage
Bibliography
Figures
Figure 1 — Energy balance for one-store and two-store solar-plus-supplementary systems
Figure 2 — Comparison of the gross auxiliary energy demand of the solar heating system, Qaux, to the gross energy demand of the conventional heating
system, Qconv
Figure 3 — Energy balance for solar only systems
Figure 4 — Energy balance for solar preheat systems
Figure C.1 — Principle of the short term system performance check: Check and intercomparison of useful energy gain
Figure C.2 — Principle of the short-term test and of the subsequent long term systém performance prediction
Figure C.3 — Example of the predicted performance dependence on load level and irradiation for a solar domestic hot water heating system (see [8])
Tables
Table 1 — Division for factory made and custom built solar heating systems
Table 2 — Symbols, definition and unit (1 of 2)
Table 2 — Symbols, definition and unit (2 of 2)
Table 3 — Presentation of system performance indicators for solar-plus-supplementary systems
Table 4 — Presentation of system performance indicators for solar-only and solar preheat systems
Table A.1 — Reference conditions for performance presentation (1 of 2)
Table A.1 — Reference conditions for performance presentation (2 of 2)
Table A.2 — External pipe diameter and insulation thickness for forced-circulation systems
Table A.3 — Data for calculation of the mains water temperature at the reference locations
Table A.4 — Space heating load file for Stockholm
Table A.5 — Space heating load file for Davos
Table A.6 — Space heating load file for Würzburg (1 of 2)
Table A.6 — Space heating load file for Würzburg (2 of 2)
Table A.7 — Space heating load file for Athens – Example to be updated
Table C.1 — Variables to be measured and corresponding maximum sampling intervals
Table C.2 — Variables to be measured during system test, and corresponding maximum sampling intervals
Table C.3 — Range of variations of the driving variables to be scanned during a test outdoors
Table C.4 — Permissible standard deviation for secondary collector parameters