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Fluorinated greenhouse gases (F gases) are powerful greenhouse gases that contribute to global warming if released into the atmosphere. Their effect can be much greater than carbon dioxide.

Hydrofluorocarbons (HFCs), Perfluorocarbons (PFCs) and Sulphur Hexafluoride (SF6) are all types of F-Gas. HFCs are the most common type of F-Gas and are mainly used as the refrigerant in air conditioning and commercial refrigeration systems. Therefore, all users of refrigeration and air conditioning equipment have responsibilities for the F-Gas they have in their mechanical heat pump or cooling systems.

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 that you should know about. F-gases include HFCs, which are the commonest refrigerants in use today. The Regulation aims to minimise emissions of these gases, which affect global warming if they escape into the atmosphere.

Operator responsibilities.
“Operators” are defined as the people or organisations that have actual power over the technical functioning of the equipment. The legal responsibility for compliance with the Regulation lies with the operator. For further details of the definition of the operator see the DEFRA Guidance for Users. Any equipment small enough to plug in rather than have to be permanently wired is likely to be excluded from the requirements, other than an overall requirement to prevent leakage and to repair any leaks as soon as possible.
For stationary refrigeration, air conditioning and heat pump units over 3kg charge (6 kg if hermetic), 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 to the schedule shown below
• Ensure that only certified competent personnel carry out leakage checks
• Maintain records of refrigerants and of servicing
For non-stationary equipment (e.g. mobile units on trucks) and any other products containing F-gases, operators must ensure that appropriately qualified personnel are used to recover gases, as long as this is feasible and not excessively expensive.

Leak checking schedule.
The leak checks must be carried out according to the procedure laid down by the Commission in October 2007.
The schedule for leak checks varies depending on the amount of refrigerant in the system, as follows:
• At least annually for applications with 3kg or more of F-gases (unless the equipment is hermetically sealed and labelled as such. In which case the threshold is up to 6kg).
• At least once every six months for applications with 30kg or more of F-gases
• At least once every three months for applications with 300kg or more of F-gases
• Leakage detection systems must be installed on applications with 300 kg or more of F-gases, and when these are in place, checking requirements are halved
• 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

Maintenance and servicing records.
Operators of all stationary systems containing 3kg or more of F-gases must maintain records including:
• Quantity and type of F-gases installed, added or recovered
• Identification of the company or technician carrying out servicing and details of the Operator
• Dates and results of leakage checks, specifically identifying separate pieces of equipment containing 30kgs or more of refrigerant.
It is the operator’s responsibility to ensure that the relevant servicing personnel have obtained the necessary certification, which shows that they understand the regulations and are competent.

Do you want to find out more?
• Contact Pitkin and Ruddock
• The Air Conditioning and Refrigeration Industry Board is an umbrella body for trade bodies and professional associations in the refrigeration and air conditioning industry. It has been helping UK government with technical aspects of the regulation and promoting requirements within the industry. The ACRIB web site contains links to the Government Department sites (DEFRA and BERR) where you can see the full text of the regulation and down load detailed guidance.

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