2.

Undertakings operating refrigeration, air conditioning or heat pump equipment, or fire protection systems, including their circuits, which contain controlled substances shall ensure that the stationary equipment or systems: with a fluid charge of 3 kg or more of controlled substances are checked for leakage at least once every 12 months; this shall not apply to equipment with hermetically sealed systems, which are labelled as such and contain less than 6 kg of controlled substances; with a fluid charge of 30 kg or more of controlled substances are checked for leakage at least once every 6 months; with a fluid charge of 300 kg or more of controlled substances are checked for leakage at least once every 3 months; and that any detected leakage is repaired as soon as possible and in any event within 14 days. The equipment or system shall be checked for leakage within 1 month after a leak has been repaired to ensure that the repair has been effective.

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Source: EUR-Lex (Cellar) · retrieved 2026-11-04 · Text as adopted (Official Journal); later amendments are not incorporated in this text.