Operating instructionsK3G500-AP25-90` II 2G Ex db eb ib IIB T3 GbIBExU14ATEX1122 X /03`Translation of the original operating instructions54005-4-8670ebm-papst Mulfingen GmbH & Co. KGBachmühle 2D-74673 MulfingenPhone +49 (0) 7938 81-0Fax +49 (0) 7938 81-110info1@de.ebmpapst.comwww.ebmpapst.comCONTENTS1. STANDARDS AND DIRECTIVES11. STANDARDS AND DIRECTIVES1.1 Applied standards and directives11.1 Applied standards and directivesAccording to Directive 2014/34/EU and the following standards:EN 14986: 2017Design of fans for use in potentially explosive atmospheresEN IEC 60079-0: 2018Explosive atmospheres - Part 0: Equipment - general requirementsEN 60079-1: 2014Explosive atmospheres - Part 1: Equipment protection by pressure-resistant enclosure "d"EN IEC 60079-7: 2015+A1: 2018Explosive atmospheres - Part 7: Equipment protection by enhancedsafety "e"EN 60079-11: 2012Explosive atmosphere Part 11: Equipment protection by intrinsic safety "i"TR CU 012/2011The fan satisfies the requirements of the Technical Regulations of theCustoms Union "On safety of equipment intended for use in explosiveatmospheres".These operating instructions are available in other languages onour website, www.ebmpapst.com.22. SAFETY REGULATIONS AND INFORMATION22.1 Hazard levels for warnings22.2 Staff qualifications22.3 Basic safety rules22.4 Voltage22.5 Safety and protective features32.6 Electromagnetic radiation32.7 Mechanical movement32.8 Emissions32.9 Hot surface32.10 Transport32.11 Storage (including spare part stocks)42.12 Disposal43. INTENDED USE64. TECHNICAL DATA64.1 Product drawing84.2 Nominal data84.3 Technical description84.4 Mounting data94.5 Transport and storage conditions94.6 Electromagnetic compatibility94.7 Ex areas94.8 The nameplate105. CONNECTION AND STARTUP105.1 Mechanical connection105.2 Electrical connection125.3 Connection in terminal box145.4 Factory settings155.5 Connection diagram165.6 Checking connections165.7 Switching on the device165.8 Switching off the device166. INTEGRATED PROTECTIVE FEATURES177. MAINTENANCE, MALFUNCTIONS, POSSIBLECAUSES AND REMEDIES177.1 Cleaning187.2 Safety inspection187.3 Maintenance interval187.4 Vibration checkItem no. 54005-5-9970 · ENU · Change 272968 · Approved 2022-11-23 · Page 1 / 18ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 (0) 7938 81-0 · Fax +49 (0) 7938 81-110 · info1@de.ebmpapst.com · www.ebmpapst.com