Operating instructionsW3G300-CN02-32Translation of the original operating instructionsWARNINGLive terminals and connections even with deviceswitched offElectric shock→ Wait five minutes after disconnecting the voltage at all polesbefore opening the device.CAUTIONIn the event of a fault, the rotor and the impeller will beenergizedThe rotor and the impeller have basic insulation.→ Do not touch the rotor and impeller once installed.CAUTIONIf control voltage or a stored speed set value is applied,the motor will restart automatically, e.g. after a powerfailure.Risk of injury→ Keep out of the device’s danger zone.→ When working on the device, switch off the line voltageand ensure that it cannot be switched back on.→ Wait until the device comes to a stop.→ After working on the device, remove any tools or otherobjects from the device.1.5 Safety and protective featuresDANGERGuard missing and guard not functioningWithout a guard, hands may become caught up in the deviceduring operation for example, resulting in serious injury. Looseparts or items of clothing could be drawn in.→ The device is a built-in component. As the owner, you areresponsible for ensuring that the device is adequatelysafeguarded.# Operate the device only with a fixedprotective device and guard grill.→ Stop the device immediately if a protective device isfound to be missing or ineffective.1.6 Electromagnetic radiationInterference from electromagnetic radiation is possible, e.g. in conjunctionwith open- and closed-loop control devices.If impermissible radiation levels occur following installation, appropriateshielding measures have to be taken by the user.NOTEElectrical or electromagnetic interference after installingthe device in customer equipment.→ Verify that the entire setup is EMC-compliant.1.7 Mechanical movementDANGERRotating deviceRisk of injury to body parts coming into contact with the rotor orthe impeller.→ Secure the device against accidental contact.→ Before working on the system/machine, wait until allparts have come to a standstill.WARNINGRotating deviceLong hair and dangling items of clothing, jewelry and the likecan become entangled and be pulled into the device. Injuriescan result.→ Do not wear any loose-fitting or dangling clothing or jewelrywhile working on rotating parts.→ Protect long hair with a cap.1.8 EmissionsWARNINGDepending on the installation and operating conditions,the sound pressure level may exceed 70 dB(A).Risk of noise-induced hearing loss→ Take appropriate technical safety measures.→ Protect operating personnel with appropriate safetyequipment such as hearing protection.→ Also observe the requirements of local agencies.1.9 Hot surfaceCAUTIONHigh temperature on electronics housingRisk of burns→ Ensure sufficient protection against accidental contact.1.10 TransportNOTETransporting the device→ Transport the device in its original packaging only.1.11 Storage; Store the device, partially or fully assembled, in a dry place,protected against the weather and free from vibration, in the originalpackaging in a clean environment.; Protect the device against environmental effects and dirt until finalinstallation.; We recommend storing the device for no longer than one year inorder to guarantee trouble-free operation and the longest possibleservice life.; Even devices explicitly intended for outdoor use are to be stored asdescribed prior to commissioning.; Maintain the storage temperature, seeChapter 3.6 Transport and storage conditions.Item no. 51537-5-9970 · ENU · Change 205462 · Approved 2019-11-22 · Page 2 / 11ebm-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