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IoR updates refrigerant safety code

UK: The Institute of Refrigeration has updated its Safety Code of Practice for Non Flammable, Lower Toxicity Refrigerants (Group A1). The Codes for other refrigerant types are also under revision.

The updated publication provides essential industry guidance for owners, designers, installers and operators of vapour compression refrigerating systems that use any group A1 refrigerants which include HFC and HFC blends.

It covers properties of refrigerants, decommissioning, testing and maintenance as well as design issues with useful appendices such as typical schedules for inspection and maintenance, system register details, machinery rooms, definitions and an updated list of relevant standards. 

The Code which can be downloaded from  has been prepared by the IOR Technical Committee as a reference source and guide to interpretation of current safety standards such as BS EN378:2016 and legal requirements such as F Gas, PED, PSSR.

It is available free to IoR members to download here. Non members can purchase a PDF download at a cost of £48 inc VAT.

The IoR publishes four Safety Codes of Practice specific to refrigerant type. The remaining Codes are under revision and are due to be reissued in April 2018. These include Flammable Lower Toxicity Refrigerants Group A2L, A2 and A3, Carbon Dioxide R744 and Ammonia R717.

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