The main purpose of Ozone Protection and Synthetic Greenhouse Gas Management Regulations 1995 is to reduce the emission of fluorocarbon refrigerants into the atmosphere as they destroy the Ozone Layer and/or increase Global Warming. Therefore, it is vital to ensure operating refrigeration and air conditioning systems do not leak refrigerant by pressure testing the system before the system is commissioned or re-charged with refrigerant after service work. But how should the system be pressure tested and to what pressure?
