This European Standard specifies checks, test methods and measuring instruments in order to verify the fitness for purpose of the installed systems at the stage of handing over. The Standard enables the choice between simple test methods, when sufficient, and extensive measurements, when necessary. The Standard applies to mechanically operated ventilation and air conditioning systems as specified in CR 12792 and comprising any of the following: - air terminal devices and units - air handling units - air distribution systems (supply, extract, exhaust) - fire protection devices - automatic control devices.