Historical
DIN EN 378-4:2008
Refrigerating systems and heat pumps - Safety and environmental requirements - Part 4: Operation, maintenance, repair and recovery; German version EN 378-4:2008 (Foreign Standard)
This Part specifies requirements for safety and environmental aspects in relation to operation, maintenance, repair of refrigerating systems and the recovery, reuse and disposal of all types of refrigerant, refrigerant oil, heat transfer medium, refrigerating system and part thereof.
Deutsches Institut für Normung [din]