CE-marking of collectors
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CE-marking related to Pressure Equipment Directive (PED)
As solar collectors are pressurized, the question arises if they are touched by the regulations of the EU pressure equipment directive (PED).
According to the rules and guidelines referred below:
  • Large collector modules with PS*V BIGGER THAN 50 bar*litres SHALL be CE-marked in relation with the PED
  • Normal collector modules with PS*V LOWER THAN 50 bar*litres CAN NOT be CE-marked in relation to the PED
In Guideline 2/23 of March 31st, 2006 to the Pressure equipment directive 97/23/EC by the Commission’s Working Group "Pressure", it is clarified that: "A typical solar panel would be classified as Article 3, paragraph 3 equipment, due to the maximum allowable pressure and volume" - see Annex II and the figure below:



PS: Maximum allowed pressure in bars; V: Volume (fluid content) in litres

It is seen that far most collectors are covered by the Article 3 Paragraph 3, stating: "Such equipment and/or assemblies must not bear the CE marking ...".

However, in some cases CE-marking of solar thermal collectors is obligatory according to the curves above (large collector modules):

PS. In accordance with clause (5) of the preface of the PED, not a collector array, but a single collector has to be considered.

Page updated 24/8 2007.
   
Webmaster: ESTIF - the European Solar Thermal Industry Federation