Multi-part Document
BS ISO 5149 - Refrigerating systems and heat pumps. Safety and environmental requirements

This is a multi-part document divided into the following parts:

• Part 1 Refrigerating systems and heat pumps. Safety and environmental requirements. Definitions, classification and selection criteria
• Part 2 Refrigerating systems and heat pumps. Safety and environmental requirement. Design, construction, testing, marking and documentation
• Part 3 Refrigerating systems and heat pumps. Safety and environmental requirements. Installation site
• Part 4 Refrigerating systems and heat pumps. Safety and environmental requirements. Operation, maintenance, repair and recovery