This new IOR Technical Committee guidance note outlines the legal requirements of the Pressure Equipment (Safety) Regulations - PE(S)R and Pressure Equipment Directive (PED) for installers of RACHP systems. 

In the RACHP sector components are supplied by a manufacturer for site installation  by a specialist third party contractor who might not realise that they have the responsibilities of the manufacturer of the assembly under PE(S)R. 

With the move to R32 and other A2L refrigerants, classified as PE(S)R group 1 fluid (“dangerous”), this moves many systems from SEP (sound engineering practice) or hazard category 1 into hazard category 2 or higher.   Systems which are category 2 or higher must comply with the PE(S)R and must be assessed by an approved Conformity Assessment Body or under an assessment scheme which has been certified by a Conformity Assessment Body.

Read the full 3 page guidance note (free to all as a pdf download) at https://ior.org.uk/technical/buy-documents 

 

Recent posts

About

About the IOR

23 Apr 2026

The Institute of Refrigeration is the professional engineering body for all individuals working in RACHP. Find out more about the IOR here. 

News
What We Do

What we do

23 Apr 2026

Find out what the IOR can do for you: technical queries, safety codes of practice, new  technologies and professional development.

News
Untitled Design 5

Join us

23 Apr 2026

When you become a member of the Institute of Refrigeration you are joining a group of specialist experts driving the sector forward.

News
EngCouncilMiriam

IOR at the Engineering Council Summer Networking Meeting

14 May 2026

The IOR attended the Engineering Council Summer Networking Meeting which focused on the work that the Engineering Council has done on reviewing professional standards, ethics and regulation of the engineering profession including international recognition agreements with countries such as USA and Australia.

Live event
Photo 29 10 2025 09 07 27

Apprenticeship Funding Under the Growth and Skills Levy

14 May 2026

The Department for Work and Pensions has recently published technical guidance outlining how new apprenticeship units will be funded under the reformed Growth and Skills Levy.

Education