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STN P CEN/TS 12977-2


Označenie: STN P CEN/TS 12977-2 zrušená
Slovenský názov: Tepelné solárne systémy a komponenty. Zákazkovo stavané systémy. Časť 2: Metódy skúšania na 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. 12. 2011
Dátum zrušenia: 1. 10. 2012
Jazyk: EN
ICS: 27.160
Triediaci znak: 74 7203
Úroveň zapracovania: idt CEN/TS 12977-2:2010
Vestník: 11/11
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 12977-2:2012-10 (74 7203)
Nahradené normy: STN P ENV 12977-2:2001-11 (74 7203)
Poznámka vo Vestníku:
Predmet normy:



Obsah normy STN P CEN/TS 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 General
6.1.1 Suitability for drinking water
6.1.2 Water contamination
6.1.3 Freeze resistance
6.1.4 High-temperature protection
6.1.5 Reverse circulation prevention
6.1.6 Pressure resistance
6.1.7 Electrical safety
6.2 Materials
6.3 Components and pipework
6.3.1 Collector and collector array
6.3.2 Supporting frame
6.3.3 Collector and other loops
6.3.4 Circulation pump
6.3.5 Expansion vessels
6.3.6 Heat exchangers
6.3.7 Store
6.3.8 Pipework
6.3.9 Thermal insulation
6.3.10 Control equipment
6.4 Safety equipment and indicators
6.4.1 Safety valves
6.4.2 Safety lines and expansion lines
6.4.3 Blow-off lines
6.4.4 Store shut-off valve
6.4.5 Indicators
6.5 Installation
6.5.1 Roof tightness
6.5.2 Lightning
6.5.3 Snow and wind loads
6.6 Initial operation, inspection and commissioning
6.7 Documentation
6.8 System performance (for small systems only)
6.9 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
7.7.1 General
7.7.2 Calculation procedure
7.7.3 Prediction of yearly system performance indicators
7.7.4 Calculation of the net auxiliary energy demand and fractional energy savings for solar-plus-supplementary systems
7.7.5 Calculation of the solar fraction for solar-only and preheat systems
7.7.6 Calculation of the parasitic energy (for all system types)
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 heat load
A.4.1 General
A.4.2 Stockholm
A.4.3 Davos
A.4.4 Würzburg
A.4.5 Athens
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.2.1 General
C.2.2 Accuracy and calibration of sensors
C.2.3 Data acquisition and processing
C.3 Check of short-term system performance
C.3.1 Principle
C.3.2 Measurement of the system energy gain
C.3.3 Criteria for termination of the test
C.3.4 Simulation of the system useful energy gain using components data
C.3.5 Comparison of measured with simulated data
C.3.6 Test report
C.4 Short-term test for long-term system performance prediction
C.4.1 General
C.4.2 Principle
C.4.3 Measurements
C.4.4 Criteria for termination of the test
C.4.5 Identification of collector array parameters
C.4.6 Criteria for the acceptance of the test results
C.4.7 Test report
C.4.8 Prediction of the yearly system gain
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 stores 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 system 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 — Presentation of system performance indicators for solar-plus-supplementary systems
Table 3 — Presentation of system performance indicators for solar-only and solar preheat systems
Table A.1 — Reference conditions for performance presentation
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
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