scope:

This document specifies the requirements for the installation and commissioning of water-based heating systems in buildings with a maximum operating temperature of 110 oC and a maximum operating pressure of 6 bar. This document covers the system's requirements for the installation and commissioning of individual components of the system (e.g. heat generators, pumps, controls). It does not cover the specific commissioning requirements for these components. This document does not cover the installation or commissioning of attached systems (e.g. air conditioning, domestic hot water or ventilation systems). This document covers only the technical requirements, and does not cover any commercial or contractual arrangements between parties.