Pfeiffer Vacuum DUO 3 Operating Instructions Manual
Rotary vane pump
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Summary of Contents for Pfeiffer Vacuum DUO 3
- Page 1 OPERATING INSTRUCTIONS Translation of the original instructions DUO 3 / DUO 3 M / DUO 3 MC Rotary Vane Pump...
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Page 2: Table Of Contents
Table of contents Table of contents About this manual ..........3 1.1 Validity. -
Page 3: About This Manual
About this manual Validity This operating manual is for customers of Pfeiffer Vacuum. It describes the functioning of the designated product and provides the most important information for safe use of the unit. The description follows applicable EU guidelines. All information provided in this operating manual refers to the current state of the product's development. - Page 4 About this manual Pictographs Prohibition of an action to avoid any risk of accidents, 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 dan- ger, the disregarding of which may result in serious accidents Important information about the product or this document Instructions in the...
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Page 5: Safety
Installation and operation of accessories Pfeiffer Vacuum pumps can be equipped with a series of adapted accessories. The in- stallation, operation and maintenance of connected devices are described in detail in the operating instructions of the individual components. -
Page 6: Proper Use
● 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 7: Transport And Storage
Transport and storage Transport and storage Transport Transport instructions Remove the locking cap from the vacuum and exhaust flange immediately before con- necting! – Check the cone strainer, paying attention to the O-ring. Use only the handle on the top side of the pump to lift the pump. Fig. -
Page 8: Product Description
Product description Product description Product identification To correctly identify the product when communicating with Pfeiffer Vacuum, always have the information from the rating plate available. ● Pump model and model number ● Type and amount of operating fluid ● Date of manufacture Please find the voltage range and motor-related data on the separately attached motor rating plate. -
Page 9: Function
The version with magnetic coupling has as an alternative to conventional shaft feedthrough a static and maintenance-free seal towards the outside. 304/306 308/310 Fig. 3: Duo 3 Vacuum flange Gas ballast valve 310 O-ring Exhaust flange 302 Casing... -
Page 10: Installation
Installation Installation Set-up Installation location Observe the following requirements when setting up the pump: ● Consider the load-bearing capacity of the installation site. ● Maximum installation altitude 2000 m (above mean sea level) ● Permissible ambient temperature: +12 ... 40 °C ●... - Page 11 Installation CAUTION High pressure in the exhaust line! Danger of damage to the seals and danger of the pump bursting. Observe the maximum permissible pressure of 1500 hPa (absolute), activate shut- off valves in such a way that they open before or at the same time as the pump is started.
- Page 12 Installation ONF/OME 10/11 Fig. 5: Duo 3 with operating fluid return line Locking screw Spring (inside the hose) Clamping ring Fitting Fitting Centering ring Operating fluid return hose Locking cap Note: As the hexagon socket of the locking screw is not metric, a special spanner (3/ 16") (provided as part of the scope of supply) is required.
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Page 13: Connecting To The Mains Power Supply
Installation Connecting to the mains power supply Depending on the pump type, different motor versions or mains voltages are possible: ● Single phase motor for fixed voltage with – built-in thermal protection switch, – mains switch and – mains connection socket (C14) ●... - Page 14 Installation Fig. 6: Motor circuit diagram with switch Fuse protection The transmission power of the pump’s magnetic coupling is so great that the cou- pling is no overload protection for the motor. To protect the motor in case of malfunction, additionally provide a fuse protection in accordance with the regional regulations.
- Page 15 Installation Changing the voltage range NOTICE Overvoltage! An incorrect voltage range setting can damage the motor. Always check the set voltage range before switching on the pump. Only change the voltage range when the pump is disconnected from the power mains.
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Page 16: Filling Up The Operating Fluid
NOTICE Use approved operating fluids only! The use of operating fluids that have not been approved by Pfeiffer Vacuum shall result in a limited warranty. In such cases, it is not possible to guarantee that product-specific performance data will be achieved. -
Page 17: Operation
Operation Operation Before switching on the pump Check the operating fluid level in the sight glass. Compare the voltage and frequency information on the rating plate with the mains volt- age and frequency values. Check that the exhaust connection allows free flow (max. permissible pressure 1500 hPa absolute). - Page 18 Operation Gas ballast valve, To avoid condensation in the pump when pumping condensable vapours, air is periodi- cally fed into the working chamber at the beginning of the compression phase via the gas standard version ballast valve 60. The gas ballast valve is closed when turning to the right to position 0 and open when turn- ing to the left to position 1.
- Page 19 Operation Tighten screws 83, torque of 1 Nm. Connect flushing gas at the flushing gas connection 7.4. Set flushing gas pressure; maximum pressure 1500 hPa (absolute). – Select the type and amount of flushing gas depending on the process; consult Pfei- ffer Vacuum if necessary.
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Page 20: Topping Up The Operating Fluid
Operation Topping up the operating fluid If the operating fluid has reached its minimum filling level, the operating fluid must be topped up. The fluid can be topped up during operation in the final vacuum. Filling up the operat- ing fluid 304/306 (0.3 Nm) max. -
Page 21: Switching Off The Pump
Operation 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 differential pressure between the exhaust side and the intake side is 250 hPa, then the valve clos- es automatically and vents the pump when the pump is switched off. -
Page 22: Maintenance
NOTICE Service work should be carried out by a qualified person 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.pfei- ffer-vacuum.com. - Page 23 In the event of a breach of the required intervals set out below or in case of im- tion, maintenance properly completed maintenance work, any warranty and liability claims with respect to and overhaul Pfeiffer Vacuum shall be rendered void. This also applies if Pfeiffer Vacuum original spare parts are not used. Activity specified in the document Interval daily ≤...
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Page 24: Changing The Operating Fluid
Depending on the applications, Pfeiffer Vacuum recommends determining the ex- act service life of the operating fluid during the first year of operation. The replacement interval may vary from the guide value specified by Pfeiffer Vacuum depending on the thermal and chemical loads, and the accumulation of suspended par- ticles and condensation in the operating fluid. - Page 25 Maintenance 304/306 (0.3 Nm) 308/ Fig. 12: Draining the operating fluid Screw in operating fluid drain screw 308; pay attention to O-ring. Screw in operating fluid filler screw 304; pay attention to O-ring 306. Allow pump to run for a maximum of 5 seconds with the vacuum flange open. ...
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Page 26: Changing The Kind Of Operating Fluid
Maintenance Changing the kind of operating fluid When filling up, topping up or changing the operating fluid, always use the type of oper- ating fluid indicated on the pump type plate. If, for example, amended process conditions require the use of a different operating fluid, the fluid can be changed as follows: NOTICE Changing the type of operating fluid. - Page 27 Maintenance Remove valve tappet 66 from flange housing 62; watch O-ring 78. Clean all parts and examine for wear. Replace wear parts in accordance with service kit. Assembling Place valve tongue 74 precisely in screw cap 64; convex side facing down. –...
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Page 28: Decommissioning
Replace the radial shaft sealing rings and further elastomer parts. Replace bearings at pumps with anti-friction bearings. Follow the maintenance instructions and inform Pfeiffer Vacuum. Disposal Products or parts thereof (mechanical and electrical components, operating fluids, etc.) may cause environmental burden. -
Page 29: Malfunctions
Thermal protection switch has re- Detect and fix cause of overheating; allow sponded pump to cool off if necessary. Pump system dirty Clean pump; contact Pfeiffer Vacuum Ser- vice if necessary. Pump system damaged Clean and overhaul pump; contact Pfeiffer Vacuum Service if necessary. - Page 30 NOTICE Service work should be carried out by a qualified person 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.pfei- ffer-vacuum.com.
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Page 31: Service
The following steps are necessary to ensure a fast, smooth servicing process: Download the forms "Service Request" and "Declaration on Contamination". Fill out the "Service Request" form and send it by fax or e-mail to your Pfeiffer Vacuum service address. -
Page 32: Spare Parts
11.1 Spare parts packages Please state all information on the rating plate when ordering spare parts. Other spare parts than those described in this manual must not be used without the agreement of Pfeiffer Vacuum. Spare parts package Version Order no. - Page 33 Spare parts Radial shaft seal ring kit – Maintenance Level 2 The kit contains all the parts that should be replaced when changing the operating fluid and the RSSR: ● RSSR, coupling and felt ring ● O-rings for changing the operating fluid ●...
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Page 34: Accessories
PK Z40 001 PK Z40 001 Oil return unit from OME 16 S to Duo 1.6/Duo 3/Duo 6/Duo 11 PK 005 986 -T PK 005 986 -T OME 16 M, oil mist filter for pumping speeds of up to 12 m... -
Page 35: Technical Data
Technical data and dimensions 13.2 Technical data Parameter Duo 3 Duo 3 M Flange (in) DN 16 ISO-KF DN 16 ISO-KF Flange (out) DN 16 ISO-KF DN 16 ISO-KF Pumping speed at 50 Hz 2.5 m 2.5 m Pumping speed at 60 Hz 2.9 m... -
Page 36: Dimensions
Duo 3 Duo 3 M Duo 3 M men- sions Duo 3, 1-phase motor, 115 V, 50/60 Duo 3, 1-phase motor, 230- Duo 3 M, 1-phase motor, 115 Duo 3 M, 1-phase motor, Hz; 230 V, 50/60 Hz 240 V, 50/60 Hz V, 50/60 Hz;... -
Page 37: Declaration Of Conformity
The agent responsible for compiling the technical documentation is Mr. Sebastian Ober- beck, Pfeiffer Vacuum GmbH, Berliner Straße 43, 35614 Aßlar. DuoLine Duo 3 / Duo 3 M / Duo 3 MC Harmonised standards and national standards and specifications which have been ap- plied:... - Page 38 VACUUM SOLUTIONS FROM A SINGLE SOURCE Pfeiffer Vacuum stands for innovative and custom vacuum solutions worldwide, technological perfection, competent advice and reliable service. COMPLETE RANGE OF PRODUCTS From a single component to complex systems: We are the only supplier of vacuum technology that provides a complete product portfolio.
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