NBN EN 12976-1 : 2006

Foreword
Introduction
1. Scope
2. Normative references
3. Terms and definitions
4. Requirements
4.1 General
4.1.1 Suitability for drinking water
4.1.2 Water contamination
4.1.3 Freeze resistance
4.1.4 Overtemperature protection
4.1.5 Reverse flow protection
4.1.6 Pressure resistance
4.2 Materials
4.3 Components and pipework
4.3.1 Collector
4.3.2 Supporting frame
4.3.3 Piping
4.3.4 Circulation pump
4.3.5 Heat exchangers
4.3.6 Store
4.3.7 Control system
4.4 Safety equipment
4.4.1 Safety valves
4.4.2 Safety lines and expansion lines
4.4.3 Blow-off lines
4.5 Resistance to external influences
4.6 Documentation
4.6.1 General
4.6.2 Documents for the installer
4.6.3 Documents for the user
4.7 Marking
4.8 System performance
Annex A(informative) Conformity assessment
Bibliography

Defines requirements on durability, reliability and safety for factory made thermal solar heating systems. It also describes provisions for evaluation of conformity to these requirements.