4 - General maintenance

Preventative maintenance of appliances/devices shall be carried out at least yearly, or more often if required by law or relevant manufacturer's instructions. The maintenance shall include the inspection of possible leakage and assurance of the proper functioning at least for energy equipment (e.g. heating, ventilation and air conditioning (HVAC) appliances, refrigeration systems, etc.) and water equipment (e.g. plumbing fixtures, irrigation systems, etc.) at the accommodation premises.

Appliances using refrigerants covered by the Regulation (EU) No 517/2014 of the European Parliament and of the Council (4), shall be inspected and maintained as follow:

(a)


for equipment that contains fluorinated greenhouse gases in quantities of 5 tonnes of CO2 equivalent or more, but of less than 50 tonnes of CO2 equivalent: at least every 12 months or, where a leakage detection system is installed, at least every 24 months;

(b)


for equipment that contains fluorinated greenhouse gases in quantities of 50 tonnes of CO2 equivalent or more, but of less than 500 tonnes of CO2 equivalent: at least every 6 months or, where a leakage detection system is installed, at least every 12 months;

(c)


for equipment that contains fluorinated greenhouse gases in quantities of 500 tonnes of CO2 equivalent or more: at least every 3 months or, where a leakage detection system is installed, at least every 6 months.

All maintenance activities have to be registered in a specific maintenance register, specifying the approximate amounts of the water leaking from the water supply equipment.