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Summary of Contents for PVR EU 45
- Page 1 EU 45 - EU 45/B EU 65 - EU 65/B Lubricated vane vacuum pump Operating and maintenance instructions Publication Number: LI 718.06 April 2021 TRANSLATION...
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Page 2: Table Of Contents
Operating and maintenance instructions Index 1. General information ....................page 3 2. Product specifications ..................page 4 2.1 Pump description ..................... page 4 2.2 Expected use .....................page 5 2.3 Forbidden use....................page 5 2.4 Protections ......................page 5 2.5 Accessories .......................page 5 3. Safety rules ......................page 6 4. -
Page 3: General Information
Operating and maintenance instructions 1. General information This manual contains information necessary for the proper operation of the pump in order to prevent unsuitable use and for the safety of the operators. Do not attempt any other type of operation without having first contacted our Service Department. The information provided herewith does not intend to replace, integrate or change any rules, regulations, law by decree, directive or law of specific character in force in the Country where the installation takes place. -
Page 4: Product Specifications
2. Product specifications 2.1 Pump description The pumps series EU: EU 45 - EU 65 see annex are lubricated, with oil recirculation system, rotary vane vacuum pumps. The flanged electric motor is coupled by means of an elastic coupling. The cooling is made by means an air/oil cooler, cooled with a centrifugal fan. -
Page 5: Expected Use
Operating and maintenance instructions 2.2 Expected use These vacuum pumps have been designed to handle air and small quantity of water vapour only. They are suitable to evacuate closed systems or to operate at a constant vacuum within the following vacuum range: EU45 - EU65 da 0,5 a 400 mbar (abs.) EU45/B - EU65/B da 10 a 850 mbar (abs.) The ambient temperature and the inlet temperatures must be included between 12°... -
Page 6: Safety Rules
Operating and maintenance instructions 3. Safety rules WARNING: Despite of all the precautions adopted when designing the equipment, there are some risk elements that arise during operation and servicing. HOT SURFACES The temperature of the pump surfaces may exceed 80°C. Install the pump in a protected area accessible only by authorized personnel, to prevent possible personal injures due to contact with hot surfaces. - Page 7 Operating and maintenance instructions ELECTRIC SAFETY Some components of the electric equipment are electrically charged during operation. Any contact may cause serious injuries to persons or objects. Connection and control of the electric system must be carried out by skilled personnel only.
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Page 8: Transport/Handling
For unloading use a lifting equipment suitable for the pump weight. For lifting the packaging and the pump, please refer to the figures here below. Pump packaged (Figure 0) Pump with motor (Figure 1). Pump without motor (Figure 1). EU 45 Pump Packaged pump 52 Kg 58 Kg... -
Page 9: Assembly
Operating and maintenance instructions 5. Commissioning and operation 5.1 Assembly If the pump is supplied without any electric motor, install a motor whose characteristics are the same as stated on the technical sheet, constructive form IM B 5. WARNING: - Use lifting equipment suitable for the motor weight (between 14 and 22 Kg depending on the versions) - To assure the continuity of the equipotential circuit of the pump, clean the contact surfaces very well, by removing any grease or protective painting. -
Page 10: Location
Operating and maintenance instructions 5.2 Location WARNING: The pump must be installed in a protected area (see safety rules). It must be fastened with support feet on horizontal surface. It must be accessible for correct and easy maintenance, by respecting the minimum distances from possible obstructions (see figure 6). -
Page 11: Connection To The Machine
Operating and maintenance instructions 5.3 Connection to the machine The connection to the chamber to be pumped down must be carried out by means of pipes of the same diameter as the inlet port. Pipe weights and expansions, if any, must not rest on the pump. It is advisable to make the final connection to the pump inlet port with flexible pipes or fittings. -
Page 12: Electrical Connection
Operating and maintenance instructions 5.5 Electric connection The control panel and electric connections must be carried out by skilled personnel and conform to the EN 60204-1 rules or to other local regulations in the Country of use. The electric equipment must comply with EN 61000-6-4 and EN 61000-6-2 standard concerning electromagnetic compatibility, emission standard and immunity for industrial environments. -
Page 13: Commissioning
Operating and maintenance instructions 5.6 Commissioning The pump is supplied without lubricating oil. NOTE: the operation without oil causes big damages to the pump. Carry out the first filling up through the plug (E) up to the half of the sight glass (F) and close the plug (E) (Figure 8). -
Page 14: Water Vapour Intake
Operating and maintenance instructions 5.8 Water vapour intake In order to pump down any water vapour, the following operations are recommended: Let the pump run for thirty minutes at the maximum vacuum in order to bring the pump temperature to its operating value. At the end of the working cycle, in case of further presence of condensate in the oil, let the pump run for at least thirty minutes at the maximum vacuum. - Page 15 Operating and maintenance instructions SERVICING FREQUENCY DESCRIPTION OF THE OPERATION AUTHORIZED PERSONNEL 24 Hours/every day Check oil level before starting. Operator Clean the external inlet element with a blast of air (Figure 9 Operator pos.A). 100 Hours/every week Clean the cooling surfaces of the pump, of the oil cooler and of Operator the electric motor with a blast of air.
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Page 16: Oil Change
Operating and maintenance instructions 6.2 Oil change For a correct operation, oil change should be done when the pump is still warm. ATTENTION: Use protective gloves to avoid injury caused by heat. Please refer to Figure 8, section 5.6. Unscrew the oil filling plug (E) and the discharge plug (G) only after having placed below the pump tank a suitable container (proper size and shape) for collecting the total quantity of oil. -
Page 17: Spares Necessary For Normal Servicing
7. Lubricants Oil recommended for generic use Mineral oil for compressors according to DIN 51506 group VC-VCL or VDL classifica- tion ISO L-DAG. Ambient temperature Viscosity PVR oil 5 - 30°C ISO 68 Rotant VF 203 25 - 40°C ISO 100 Rotant VF 204 Oil recommended for heavy duty, both for high and low temperatures. -
Page 18: Decommissioning
Operating and maintenance instructions 8. De-commissioning Drain the oil from the pump prior to the removal. If the oil is polluted, flush the pump with fresh oil (see “oil change”). Drain the oil from the tank, plug the inlet and the discharge ports and store the pump without oil. -
Page 19: Troubleshooting
Operating and maintenance instructions 11. Troubleshooting TROUBLE CAUSE REMEDY Inlet pipes or machine are leaking Identify leaking point and seal it Check oil level and oil conditions. Drop in perfomances No lubrication Fill with oil to the right oil level or change the oil and the oil filter Inlet filters are dirty Clean or replace... - Page 20 HEADQUARTERS: Via Santa Vecchia, 107 - 23868 Valmadrera (LC), Italy T +39 0341 1918 51 - F +39 0341 1918 599 info@pvr.it - www.pvr.it LOCAL UNIT: Via IV Novembre, 104F 23868 Valmadrera (LC), Italy...
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