DIN Standards Committee Refrigeration Technology
EN 1861
Refrigerating systems and heat pumps - System flow diagrams and piping and instrument diagrams - Layout and symbols
Kälteanlagen und Wärmepumpen - Systemfließbilder und Rohrleitungs- und Instrumentenfließbilder - Gestaltung und Symbole
Responsible national committee
NA 044-00-01 AA - Safety and environment protection
Responsible european committee
CEN/TC 182 - Refrigerating systems, safety and environmental requirements