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Explains hazard symbols like DANGER, WARNING, and CAUTION used in operating instructions.
States that device operation is restricted to qualified, trained, and authorized technical personnel only.
Emphasizes observing industrial safety regulations and maintaining a clean, tidy workplace.
Warns of electrical voltage in terminals even when the unit is shut off, requiring a waiting period.
Highlights risks of serious injury from missing or ineffective guards and the need for fixed protective devices.
Addresses potential interference from electromagnetic radiation and the need for shielding if issues arise.
Warns of injury from rotating parts and entanglement risks for loose clothing or hair.
Notes that high sound pressure levels may occur, requiring appropriate safety measures for hearing protection.
Alerts to the risk of burns from high temperatures at the electronics housing.
Provides instructions for transporting the device securely in its original packaging to prevent damage.
Advises storing the device in a clean, dry, weatherproof place, free of vibrations.
Presents a detailed product drawing with all dimensions and part references.
Lists essential electrical and performance specifications such as voltage, speed, and power.
Provides efficiency categories and data in accordance with the EU Ecodesign regulation.
Details material, protection class, operation mode, bearing type, and electrical connection features.
Specifies screw strength class and mounting considerations for secure installation.
Outlines permissible ambient temperature limits for transport and storage.
States compliance with EMC directives, specifying EN 50121-3-2.
Guides on safely connecting the mechanical system and handling the device during installation.
Details on preparing connection lines and establishing supply connections using a plug.
Provides a wiring diagram and pin assignment for connecting the fan/motor to the customer circuit.
Instructions to ensure power is off and connections are secure before switching on.
Steps and precautions for safely switching on the device after installation and checks.
Procedures for switching off the device during operation and for maintenance tasks.
Guidelines for cleaning the fan, emphasizing dry cleaning and avoiding corrosive agents.
Outlines tests, methods, frequency, and measures for safety checks.
Provides recommendations for the ecological disposal of the product and its components.
This document outlines the operating instructions for the R3G280-RU26-81 device, a built-in component designed for conveying air. It emphasizes safety, proper usage, and maintenance to ensure long-term, trouble-free operation.
The device is intended for use in DC power systems, conveying air within an ambient pressure range of 800 mbar to 1050 mbar. It must be operated within specified ambient temperature ranges and with all protective features in place. The device is a built-in component, and the operator is responsible for ensuring it is adequately secured and operated only with a fixed protective device and guard grille. It is crucial to observe the operating instructions and ensure the customer's equipment can withstand the mechanical and thermal stresses generated by the product throughout its service life. Operation is only permissible in systems with on-board electrical system architecture of class 1 as per EN50533.
Improper usage, which is strictly prohibited and can cause hazards, includes operating the device with an imbalance (e.g., due to dirt deposits or icing), in resonance mode with heavy vibrations (including those transmitted from the customer system), or in medical equipment with life-sustaining or lifesaving functions. Moving solids content or abrasive particles in the flow medium, painting the device, or allowing connections to come loose during operation are also forbidden. The device should not be used to move highly corrosive air (unless specifically designed for salt spray mist), air with dust pollution (e.g., saw dust), or operated near flammable materials or in an explosive atmosphere. Using the device as a safety component or for safety-related functions, or operating it with completely or partially disassembled or modified protective features, constitutes improper use. Any application options not explicitly listed under proper use are also considered improper.
Safety is paramount, and the manual details several hazard levels: DANGER, WARNING, CAUTION, and NOTE, each indicating the severity of potential harm or property damage. Only qualified, trained, and authorized technical staff should transport, unpack, install, operate, and maintain the device. Authorized specialists are exclusively permitted to install the device, perform test runs, and work on the electrical installation. Any safety hazards stemming from the device must be re-evaluated once it is installed in the end device. Local industrial safety regulations must always be observed, and the workplace should be kept clean and tidy to minimize injury risks. Modifications, additions, or conversions to the device are prohibited without ebm-papst's approval. Regular checks of the electrical equipment are necessary, and loose connections or defective cables must be replaced immediately. Terminals and connections can remain live even when the unit is shut off, necessitating a five-minute wait after disconnecting voltage at all poles before opening the device to prevent electric shock. If control voltage is applied or a speed setpoint is stored, the motor may restart automatically after a mains failure, posing a risk of injury. Therefore, personnel must keep out of the device's hazard zone, switch off mains power, secure it against accidental re-activation, and wait for the device to stop before working on it. All tools and objects must be removed from the device after work.
Operating the device without a guard or with a malfunctioning guard poses a serious injury risk, as loose parts or clothing can be drawn in. The device is a built-in component, and the operator is responsible for ensuring it is adequately secured with a fixed protective device and guard grille. The device must be stopped immediately if a protective device is missing or ineffective. Electromagnetic radiation can cause interference, especially with open and closed-loop control devices. If unacceptable emission intensities occur, appropriate shielding measures must be taken by the user. The entire setup must be EMC compliant after integrating the device into the customer's installations.
Mechanical movement, particularly from the rotating rotor and impeller, can cause injury. The device must be secured against accidental contact, and all parts must come to a standstill before working on the system or machine. Long hair, dangling clothing, jewelry, and similar items can become entangled, so loose-fitting attire and jewelry should be avoided, and long hair should be covered with a cap when working near rotating parts.
Depending on installation and operating conditions, sound pressure levels greater than 70 dB(A) may occur, posing a risk of noise-induced hearing loss. Appropriate technical safety measures, including hearing protection, must be taken, and local agency requirements observed. The electronics housing can reach high temperatures, necessitating sufficient contact protection to prevent burns.
For transport, the device should only be moved in its original packaging and secured against slipping (e.g., with a clamping strap). Careful handling is essential to prevent bearing damage or impeller deformations from impacts. The fan(s) must be secured to prevent tipping or slipping. Storage should be in the original packaging, in a clean, dry, weatherproof place free of vibrations, and protected against environmental effects and dirt until final installation. It is recommended to store the device for no longer than one year to ensure trouble-free operation and maximum service life. Even devices intended for outdoor use should be stored as described before commissioning, maintaining the specified storage temperature.
Connecting the mechanical system requires careful handling of the impeller to remove the device from its packaging, avoiding shock, and wearing safety shoes and cut-resistant safety gloves. The device must be checked for transport damage, and damaged devices must not be installed. The undamaged device should be installed according to the application. Forces or impermissibly high vibration levels must not be transmitted to the fan from system components. If connected to air ducts, the fan should be isolated from vibrations using compensators or similar elements. The fan must be fastened to the substructure without distortion. During assembly, the device must be fixed in position until all attachment screws are tightened to prevent slipping and potential damage. The fan must not be strained during fastening.
For electrical connections, the fan is a built-in component without an electrically isolating switch. It must only be connected to circuits that can be switched off with an all-pole separating switch. When working on the fan, the installation/machine must be switched off and secured against re-activation. Water penetration into leads or wires can damage the device, so cable ends must be connected in a dry environment. Before connecting, ensure that the type plate data matches the connection data and that the supply voltage matches the operating voltage. Only cables designed for the current according to the type plate should be used, following EN 61800-5-1 principles for cross-section determination. The protective earth must have a cross-section equal to or greater than the outer conductor cross-section. The use of 105°C cables is recommended, with a minimum cable cross-section of AWG26/0.13 mm². The device should be operated with a safely isolated power pack.
For plug connections, the connection lines, including the customer-side interface, fall within the standard of the internal connection. Product conformity to standards and the type of protection in the end device must be observed after installing the ebm-papst device. The connection lines must be connected to the mating connectors. For supply connections, the PIN assignment of the connector must be checked, and the panel connector and mating connector must be connected, ensuring the connector is correctly locked.
Before switching on the device, ensure that power is off at all phases, secured against re-activation, and connection lines are correctly fitted. The device should only be switched on after proper installation, adherence to intended use, and with all required protective devices and professional electrical connections. This also applies to devices pre-equipped with plugs or terminals by the customer. A hot motor housing poses a fire hazard, so no combustible or flammable materials should be near the fan. The device must be inspected for visible external damage and proper function of protective features before switching on. Air flow paths must be checked for foreign objects and cleared. Nominal voltage should be applied to the supply, and the device started by changing the input signal. The fan must operate free of vibrations throughout its speed control range. Strong vibrations can result from improper handling, transport damage, component-induced or structural resonances. When putting the fan into service, speed ranges with excessive vibration and resonance frequencies must be identified. When regulating speed, resonance ranges should be passed through quickly or other remedies found. Excessive vibration levels can lead to premature failure. The maximum vibration severity should not exceed 3.5 mm/s and must be checked every 6 months, measured at least in and perpendicular to the axial direction where the motor is attached to the motor support plate. Vibration measurements in all three axes are recommended across the entire speed range for a complete understanding of all vibrations.
Switching off the device during operation should be done via the control input, not by switching the motor on and off via the power supply. For maintenance work, the device should be switched off via the control input and disconnected from the supply voltage.
Repairs should not be performed on the device; it should be returned to ebm-papst for repair or replacement. Even when shut off, terminals and connections can have voltage, requiring a five-minute wait after disconnecting voltage at all poles before opening. If control voltage is applied or a speed setpoint is stored, the motor may restart automatically after a mains failure, posing a risk of injury. Personnel must keep out of the device's hazard zone, switch off mains power, secure it against re-activation, and wait for the device to stop before working on it. All tools and objects must be removed from the device after work. If the device is not operated for a lengthy period in a dry environment, it should be started and operated at full speed for one hour every four months. In a damp environment (e.g., outdoors), it should be started and operated at full speed for at least two hours once a month to move the bearings and evaporate any condensate.
Maintenance involves regular checks for proper operation and soiling. Dirt deposits on the motor housing can lead to overheating, and dirt on the impeller can cause vibration, shortening the fan's service life and potentially destroying it. In such cases, the fan must be immediately switched off and cleaned. Dry cleaning, such as with compressed air, is the preferred method. Corrosive cleaning agents must never be used, and any cleaning agents used must be completely removed. If severe corrosion is apparent on load-bearing or rotating parts, the device must be immediately switched off and replaced, as repairs to these parts are not permissible. The fan should be operated for 2 hours at maximum speed to evaporate any ingressed water. If cleaning does not eliminate vibration, the fan may need re-balancing. The fan is equipped with maintenance-free ball bearings with a lifetime lubrication designed for 40,000 hours of service. Contact ebm-papst if bearing replacement is needed after this period. Maintenance intervals should be adapted to the dust pollution occurring.
For ebm-papst, environmental protection and resource preservation are top corporate goals. The company operates an environmental management system certified to ISO 14001, with ecological design, technical safety, and health protection as fixed criteria from the development stage. Applicable country-specific legal regulations for product and waste disposal must always be observed. Disassembly of the product must be performed or supervised by qualified personnel. The product should be disassembled into suitable components for disposal using standard procedures for motors. Heavy parts of the product can drop off during disassembly, potentially causing injury or material damage, so components must be secured before unfastening.
The products are primarily made of steel, copper, aluminum, and plastic. Metallic materials are generally fully recyclable. Components should be separated for recycling into categories: steel and iron, aluminum, non-ferrous metal (e.g., motor windings), plastics (especially with brominated flame retardants, according to marking), insulating materials, cables and wires, and electronic scrap (e.g., circuit boards). Only ferrite magnets are used in external rotor motors from ebm-papst Mulfingen GmbH & Co. KG, and these can be disposed of like normal iron and steel. Electrical insulating materials on the product, in cables, and wires are made of similar materials and should be treated the same way. These include miscellaneous insulators in the terminal box, power lines, internal wiring cables, and electrolytic capacitors. Electronic components should be disposed of using proper procedures for electronic scrap. For any further questions on disposal, ebm-papst should be contacted.
General| Manufacturer | ebm-papst |
|---|---|
| Model Number | R3G280-RU26-81 |
| Nominal Voltage | 230 V |
| Frequency | 50/60 Hz |
| Speed | 2800 rpm |
| Impeller Material | Plastic |
| Housing Material | Aluminum |
