cen:proj:78257

CEN/TS 15502-3-3: Gas-fired central heating boilers – Part 3-3: 100 % Hydrogen – Expansion of EN 15502-2-1:2022 cen:proj:78257

Scope

As scope for TS 15502-3-3, the scope of EN 15502-2-1:2022 applies with the following modifications:

Replace
b) ...
by:
b) that use gases with 98-100% hydrogen (4th gas family for fully premix appliances);

Delete:
k) .... (as is not applicable).

Replace in the list following "This document does not cover all the requirements for:"
ag) .....
by
ag) C(10) boilers

and
ah) ...
by
ah) C(11) boilers

note: al) is kept. This means that ACCF is not covered