Plumbing Regulations 2018

Refrigerated air-conditioning work is—

the construction, installation, replacement, repair, alteration, maintenance, testing or commissioning of refrigerated air‑conditioning equipment associated with the heating or cooling of a building, including—

any compressor, condenser, condensing unit, fan coil unit, fan and air distribution equipment, evaporator, pipework, refrigerant pipework and any tubing, motors and associated controls; and

any ductwork that is necessary for the purpose of any work described in this paragraph; and

any roof sheeting and roof flashing that is necessary for the purpose of any work described in this paragraph; and

any part of a single head split system, ceiling cassette system or any add-on condenser unit for a ducted system; and

the construction, installation, replacement, repair, alteration, maintenance, testing or commissioning of a split system heat pump water heater; and

any design work that is incidental to, or associated with, any work described in paragraph (a) or (b).

Refrigerated air-conditioning work does not include—

the connection or disconnection of refrigerated air-conditioning equipment from a water supply other than the disconnection of that equipment from a water supply at an isolating valve adjacent to a mechanical component of that equipment; or

any treatment of heating or cooling water; or

the connection or disconnection of a split system heat pump water heater from a water supply.