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Leak Detection

The European Union's F-gas Regulation No 842/2006 became law on 4 July 2006. This imposes obligations on "operators" of this equipment from 4 July 2007. F-gases include HFCs are the most Common refrigerants in air conditioning systems today. The Regulation aims to minimise emissions and escape of these gases, which affects global warming.

What are the user’s responsibilities?

The user defined as the people or organisations that have actual power over the technical functioning of the equipment. The legal responsibility with complying with the Regulation lies with the operator.

Stationary refrigeration, air conditioning and heat pump units with over 3kg of gas, operators must;

• Prevent leakage and repair any leaks as soon as possible
• Arrange proper refrigerant recovery by certified personnel during servicing and disposal
• Carry out leak checks depending on the amount of kg of gas (see table below)
• Ensure that only certified competent personnel carry out the leak checks
• Maintain records of refrigerants and service visits

 

How often do you need leak checks?

The leak check varies depending on the amount of refrigerant in the system. Compare the table below to see the minimum amount of leak checks you need a year.

Amount of Refrigerant	Annual Visit	Visit every six months	Visit every three months
3kg - 29kg	Yes
30kg - 299kg		Yes
300kg onwards			Yes*

* Leak detection systems must be installed on systems that have 300kg or more of refrigerant. Once the leak detection is in place, there will be two leak test visits a year.

If a leak is detected and repaired, a further check must be carried out within one month to ensure that the repair has been effective.

What information do you need to log down?

All users with systems that are stationary and hold 3kg or more of refrigerant must keep records of the following information;

• The quantity and type of F-gas installed, added or recovered
• The company name and technician carrying out the service
• The dates and results of the leak checks, specifically identifying separate equipment containing 30kgs or more of refrigerant.

It is the users responsibly to ensure that the company responsible for servicing and leak detection has, the necessary certifications in the handling of refrigerants and is up to date with the F-gas Regulation. 

Need more Information?

If you need more information on the F-gas regulation, DTI has set up a website specifically for the F-gas regulation. The website includes, frequency asked questions, up to date guidance and you can download a full copy of the Regulation.