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Summary of Contents for Pfeiffer Vacuum UNO 20
- Page 1 Betriebsanleitung • Operating Instructions Rotary Vane Pumps UNO 20 UNO 60/UNO 90...
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Page 2: Table Of Contents
Table of contents Table of contents Preliminary remarks ........3 Validity . -
Page 3: Preliminary Remarks
1 Preliminary remarks 1.1 Validity This operating manual is for customers of Pfeiffer Vacuum. It describes the func- tioning of the designated product and provides the most important information for safe use of the unit. The description follows applicable EU guidelines. All informa- tion provided in this operating manual refer to the current state of the product's de- velopment. - Page 4 Preliminary remarks Pictograph definiti- Prohibition of an action or activity in connection with a source of danger, the disregarding of which may result in serious accidents. Warning of a displayed source of danger in connection with operation of the unit or equipment. Command to perform an action or task associated with a source of danger, the disregarding of which may result in serious accidents.
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Page 5: Safety
• Use of the vacuum pump to generate pressure. • Pumping of liquids. • The use of operating fluids not specified by Pfeiffer Vacuum. • Connection to pumps or units which are not suitable for this purpose according to their operating instructions. -
Page 6: Transport And Storage
Transport and storage 3 Transport and storage 3.1 Transport Transport instructions Remove the locking cap from the vacuum flange immediately before connec- ting! – Check the protective strainer, paying attention to the o-ring. Use only the crane eye sideways at the operating fluid separator to lift the pump. Fig. -
Page 7: Product Description
Product description 4 Product description 4.1 Product identification To correctly identify the product when communicating with Pfeiffer Vacuum, al- ways have the information from the rating plate available and use it: • Pump model and model number • Serial number •... -
Page 8: Design And Function
Operating fluid separator Sight glass 140 Operating fluid filler screw 250 Motor 290 Operating fluid return unit Fig. 2: UNO 20 Vacuum flange 74 140 200 74.4 1 Exhaust Pump casing Gas ballast valve 74.4 Gas ballast filter Operating fluid separator... -
Page 9: Installation
Installation 5 Installation 5.1 Setting up the pump Installation location Observe the following requirements when setting up the pump: • Note the load-bearing capacity of the mounting surface. • Maximum installation altitude 2000 m (above mean sea level) • Permissible ambient temperature: +12 ... 40°C •... -
Page 10: Connecting To The Mains Power Supply
Installation WARNING Emission of toxic substances from the exhaust! Danger of poisoning from emitted gases or vapours, which can be detrimental to health and/or can pollute the environment, depending on the particular application. Comply with the applicable regulations when working with toxic substances. Only officially approved filter systems may be used to separate and remove these substances. - Page 11 Installation Three-phase motors Inspection of the direction of rotation With pumps with three-phase motors is it necessary to check the direction of rota- tion! CAUTION Operating fluids may leak out! If the direction of rotation is incorrect, there is a danger that operating fluids may leak at the vacuum flange.
- Page 12 Installation Nominal voltage: 250 V, 50/60 Hz Nominal current: 2,5 A (cos ϕ=1) 1,6 A (cos ϕ=0,6) (contact opens at excess temperature) Fig. 6: Thermal motor protection, provided by customer Motor overload protection, provided by customer I> I> I> Fig. 7: Motor overload protection, provided by customer...
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Page 13: Filling Up The Operating Fluid
The delivery consignment for the standard pump contains sufficient operating fluid for one filling. The use of other operating fluids requires prior authorisation from Pfeiffer Vacuum. Permissible operating fluid • D1 (standard operating fluid) •... -
Page 14: Operation
Permissible Opera- Type / Version Intake pressure for contin- Intake pressure for intermit- ting Conditions uous operation ted operation UNO 20 400 ... 1 mbar 400 ... 1 mbar Version with operating fluid return line via the pum- unlimited unlimited... -
Page 15: Pumping Condensable Vapours
NOTE The oil return only works properly if the working pressure is in the following range: < 400 mbar for UNO 20 and < 600 mbar for UNO 60/UNO 90. 6.3 Pumping condensable vapours Should the process gases contain condensable gases present at high percentages, the rotary vane pump must be operated with a gas ballast (i.e. - Page 16 74.2 Gas ballast casing 74.4 Gas ballast filter "0" 74.4 "1" 74.2 74.1 Fig. 10: Gas ballast valve for UNO 60 UNO 90 Gas ballast valve 74.5 Gas ballast nozzle 74.5 "0" "1" Fig. 11: Gas ballast valve UNO 20...
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Page 17: Switching Off The Pump
Operation 6.4 Switching off the pump The pump can be switched off in any pressure range. Rotary vane pumps have an integrated safety valve on the intake side. If the differ- ential pressure between the exhaust side and the intake side is ≥ 250 mbar, then the valve closes automatically and vents the pump when the pump is switched off. -
Page 18: Maintenance
Use only alcohol or similar agents for cleaning pump parts. NOTE Service work should be carried out by qualified personal only! Pfeiffer Vacuum is not liable for any damage to the pump resulting from work carried out improperly. Take advantage of our service training programs; additional information at www.pfeiffer-vacuum.net. -
Page 19: Changing The Operating Fluid
If operating fluid leaks out from under the pump between the pump casing and the motor or fan, the radial shaft seals should be replaced. In this case please get in touch with your local Pfeiffer Vacuum Service. 7.2 Changing the operating fluid The changing interval for the operating fluid depends on the pump applications, but should be carried out once a year. - Page 20 Fill up with operating fluid and check the filling level (siehe S. 13, Kap. 5.5). NOTE Request safety data sheets for operating fluids and lubricants from Pfeiffer Vacuum or download them from the Internet. Dispose of operating fluid according to the local regulations.
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Page 21: Changing The Operating Fluid Filter
Maintenance 7.3 Changing the operating fluid filter Operating fluid filter 17 should be replaced at every operating fluid change but at least once every six months. It is also necessary to replace the filter when the pump is on operating temperature and the filter housing is cold. Allow the pump to warm up for a minimum of 15 minutes before replacing the filter. - Page 22 Fig. 15: Operating fluid separator UNO 60 / UNO 90 Assembling Re-assemble in reverse order: Fit new exhaust filter 120 (UNO 20: one filter cartridge, UNO 60 / UNO 90: two filter cartridges); take care with regard to the position of O-ring 121.
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Page 23: Cleaning The Operating Fluid Return Line
Visually inspect the inner of the pump before taking it into operation. If there is ev- idence of rust on the parts of the pump which form the housing, then do not take it into operation and contact Pfeiffer Vacuum Service. -
Page 24: Disposal
Malfunctions Depending on how long the pump is taken out of operation, it may be necessary to replace the radial shaft sealing rings. With reference to DIN 7716 and the manu- facturer's specifications we recommend replacing the installed elastomer parts af- ter 2 years. -
Page 25: Troubleshooting
Service if necessary NOTE Service work should be carried out by qualified personal only! Pfeiffer Vacuum is not liable for any damage to the pump resulting from work carried out improperly. Take advantage of our service training programs; additional information at www.pfeiffer-vacuum.net. -
Page 26: Service
Fill in the "Service Request" form and send it by fax or e-mail to your service address. Include the confirmation on the service request from Pfeiffer Vacuum with your shipment. Fill in the contamination declaration and enclose it in the shipment (required!). -
Page 27: Spare Parts
Spare parts pack- Pump type Parts according to the exploded view on the following page UNO 20 PK E50 011 -T 13, 14, 21, 26, 36, 81, 91, 98, 99 240.1, 260.1, 290.6, 74.9, 128, 236, 26, 84, Set of seals... - Page 28 Spare parts Exploded drawing UNO 20 Fig. 16: Exploded drawing UNO 20 Vacuum flange O-ring Buffer Cylinder Circlip Screw Cover Sieve insert Screw O-ring Screw Spring washer 8,1 O-ring Radial shaft seal Screw Rotor Screw Vane Washer Spring washer 8,1...
- Page 29 Spare parts Exploded drawing UNO 60 / UNO 90 Fig. 17: Exploded drawing UNO 60 / UNO 90...
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Page 30: Accessories
131 Set screw 290.5 Washer Coupling set II 137 Cylinder bolt 290.6 O-ring Lantern 138 Key Coupling protection 150 Washer Fan cover 152 Spring washer 12 Accessories Further detailed accessories are contained in the Pfeiffer Vacuum printed or Online Catalogue. -
Page 31: Technical Data
Technical data 13 Technical data Parameter UNO 20, 1-phase UNO 20, 3-phase DN 25 ISO-KF , female DN 25 ISO-KF, female Flange (in) thread G 1/2" thread G 1/2" Pumping speed at 50 Hz 21 m 21 m Pumping speed at 60 Hz 25 m ≤... -
Page 32: Dimensions
170 (190) 2xM6x6 367 ( 387) DN1=G 1/2" / DN 25 ISO-KF (...) : für Wechselstrommotor (...) : for AC motor version (single phase Fig. 18: Dimensions UNO 20 DN1=DN 40 ISO-KF / G 1 1/4 Fig. 19: Dimensions UNO 60... - Page 33 Technical data DN1=DN 40 ISO-KF / G 1 1/4 Fig. 20: Dimensions UNO 90...
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Page 34: Konformitätserklärung
Hiermit erklären wir, dass das unten aufgeführte Produkt den Bestimmungen der EU-Maschinenrichtlinie 98/37/EG, der EU-Richtlinie über Elektromag- netische Verträglichkeit 89/336/EWG und der EU-Niederspannungsrichtlinie 2006/95/EG entspricht. UnoLine™ UNO 20/60/90 Angewendete Richtlinien, harmonisierte Normen und angewendete, nationale Normen in Sprachen und Spezifikationen: DIN EN ISO 12100-1, -2 EN 294... - Page 36 Roots pumps Dry compressing pumps Leak detectors Valves Components and feedthroughs Vacuum measurement Gas analysis System engineering Service Pfeiffer Vacuum Technology AG · Headquarters/Germany Tel. +49-(0) 64 41-8 02-0 · Fax +49-(0) 64 41-8 02-2 02 · info@pfeiffer-vacuum.de · www.pfeiffer-vacuum.net...
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