SWKI HE301-01:2020 is a standard published by the Swiss Association of Heating and Air Conditioning Professionals (SWKI). It outlines safety technical guidelines for heating installations, specifically focusing on preventing hazards related to pressure and temperature exceedances.

Purpose and objectives

The primary objective of the SWKI HE301-01:2020 standard is to ensure the safety of heating installations through established guidelines. It aims to prevent accidents and malfunctions caused by pressure and temperature exceedances, promoting safe operational practices. This standard provides essential requirements for various types of expansion vessels, safety valves, and solar thermal installations, ensuring that all systems operate within safe parameters. By adhering to these guidelines, stakeholders can enhance safety, reliability, and efficiency in heating systems.

Scope: who must comply

The SWKI HE301-01:2020 standard applies to a wide range of professionals involved in the design, installation, operation, and maintenance of heating installations. This includes:

• Manufacturers of heating systems and components.
• Installers and contractors responsible for the implementation of heating solutions.
• Regulatory bodies and inspectors ensuring compliance with safety standards.
• Maintenance personnel tasked with routine checks on system integrity.

Typical industries include construction, manufacturing, and energy sectors, particularly those focusing on heating and thermal management in buildings and industrial applications.

How SWKI HE301-01:2020 relates to other standards

The SWKI HE301-01:2020 is closely related to several other standards in the field, including:

• SICC 93-1:1997: This standard focuses on the safety requirements for installations using thermal agents, emphasizing compliance for components involved in heating systems.
• Directive 93-1:2007: A revision that outlines extended compliance requirements and safety measures for heating installations.
• ICS 91.140.10: This standard deals with the specifics of heating systems in buildings, providing further guidelines that complement the SWKI HE301-01:2020.

Revision history and current status

SWKI HE301-01:2020 is the latest version of the standard, reflecting updates and improvements based on technological advancements and safety practices since its earlier versions. The most recent revision has introduced updated safety requirements for pressurized expansion vessels and refined guidelines for solar thermal installations, ensuring the standard remains relevant and effective in mitigating risks associated with heating systems.