page 1 of 6Operating manual6224 NUProduct type, manufacturing date (calendar week/year of construction)and if required, conformity mark can be found on the nameplate on theproduct.Please provide us with the contents of the nameplate when makingenquiries about the product.ebm-papst St.Georgen GmbH & Co. KGHermann-Papst-Straße 1D - 78112 St.GeorgenPhone: +49 (0) 7724 / 81-0Fax: +49 (0) 7724 / 81-1309info2@de.ebmpapst.comwww.ebmpapst.comAs per: 08.10.2019Version: 1 4Article number: 9295414237Original operating manualINDEX1 SAFETY REGULATIONS AND INFORMATION 12 INTENDED USE 33 TECHNICAL DATA 34 CONNECTION AND COMMISSIONING 45 FAULTS, POSSIBLE CAUSES AND REMEDIES 56 COMPLIANCE 51 SAFETY REGULATIONS AND INFORMATIONRead the operating manual carefully before commencing work at theproduct. Pay attention to the following warnings to avoid risk topersons or malfunctioning.This operating manual is an integral part of the product.In the event of resale or change of ownership the operating manualmust accompany the product. This operating manual may be copiedand provided as information on potential risks and their avoidance.Hazard classification of warning noticesThe following risk ratings are used in this operating manual to denotepotential risk situations and important safety instructions:DANGERThis is a potentially dangerous situationand warns of an impending health riskor risk of fatal injury if this warning isnot observed. Observe this warning.WARNINGThe dangerous situation can occur andcan result in major or fatal injuries if thewarning is not observed. Work withextreme care.CAUTIONThe dangerous situation can occur andcan result in minor injuries or damageto property if the warning is notobserved.NOTEA potentially dangerous situation canoccur and results in damage toproperty if not avoided.Qualification of personnelOnly skilled electricians are permitted to install the product, to carry outthe test run and to work at the electrical unit.Only instructed and authorized skilled personnel are permitted totransport, unpack, operate and service the product.Basic safety regulationsSafety risks related to the product must be reassessed after installingin the final device.The operating manual was developed in accordance with Europeanmarket requirements and may need adapting to the marketrequirements of the country in question.When working at the product, observe the following:Ø Do not make any changes to the product.WARNINGImpermissible high loadØ Stop the product immediately afterimpermissible loading (e.g. impact,heat, overvoltage).