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Implementation of Air Conditioning Split Unit with Hydrocarbon on the Danish Market

 

Summary and conclusions

In order to reduce the environmental impact from refrigerants that are ozone-depleting and contribute to global warming, the Danish Ministry of the Environment has prepared a phase-out plan for potential greenhouse gases, including HFCs. Therefore, the installation of air conditioning split units with hydrocarbons is being considered. Currently, HFC refrigerants are mainly used for air conditioners. In Southern Europe there are many manufacturers of such systems and Europe has therefore chosen to focus on the density of the systems rather than on the conversion of refrigerant. The previous AT regulation concerning refrigerants, No. 539 from 1950, (AT = Danish Working Environment Service) did not allow the installation of systems with flammable or toxic refrigerants in public space unless special permission had been applied for.

In spite of the restrictive regulations, there are manufacturers of split units who use hydrocarbons. The objective of this project is to demonstrate to the refrigeration trade that the products can be used and installed in a safe and legal manner.

The objective of the project is to install a split unit air conditioner at a hairdresser's - classified as "space with public access".

The main challenge and objective of the project has been to obtain approval of the set-up from the authorities and to prove to the refrigeration trade which procedure has to be followed when this type of system is installed.

result of project

  • The project has uncovered which legislation and which European standards should be followed when installing refrigeration systems with hydrocarbons.
  • It has been uncovered through which authorities permission has to be applied for, what the requirements are when applying and what the contents have to be.
  • A procedure and model concerning risk evaluation has been prepared during installation of the systems.
  • A risk evaluation has been carried out according to an European standard.
  • It has been demonstrated that it is possible to install hydrocarbon systems in public spaces with the approval of the authorities.

 

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Version 1.0 Marts 2005, © Miljøstyrelsen.