Pfeiffer Vacuum HENA 202 Operating Instructions Manual
Rotary vane pump
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Summary of Contents for Pfeiffer Vacuum HENA 202
- Page 1 OPERATING INSTRUCTIONS Translation of the Original HENA 202 | 302 Rotary vane pump...
- Page 2 Dear Customer, Thank you for choosing a Pfeiffer Vacuum product. Your new rotary vane pump is designed to support you by its performance, its perfect operation and without interfering your individual application. The name Pfeiffer Vacuum stands for high-quality vacuum technology, a comprehensive and complete range of top-quality products and first-class service.
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Page 3: Table Of Contents
Table of contents Table of contents About this manual Validity 1.1.1 Applicable documents 1.1.2 Variants Target group Conventions 1.3.1 Instructions in the text 1.3.2 Pictographs 1.3.3 Stickers on the product 1.3.4 Abbreviations Trademark proof Safety General safety information Safety instructions Safety precautions Limits of use of the product Proper use... - Page 4 Recommissioning Recycling and disposal General disposal information Dispose of rotary vane pump Malfunctions Service solutions by Pfeiffer Vacuum Spare parts 12.1 Ordering spare parts packages 12.2 Operating fluids – Maintenance level 1 12.3 Maintenance kit – maintenance level 1 Accessories 13.1 Accessory information...
- Page 5 Features of the rotary vane pumps Tbl. 5: Requirements on the cooling water composition Tbl. 6: Motor protection switch settings for global motor Hena 202 Tbl. 7: Motor protection switch settings for Asian motor Hena 202 Tbl. 8: Motor protection switch settings for global motor Hena 302 Tbl.
- Page 6 Dismantling the exhaust filters Fig. 22: Change the exhaust filter Fig. 23: Dismantling / assembling the intake strainer Fig. 24: Changing the gas ballast filter Fig. 25: Disassemble the oil/air heat exchanger Fig. 26: Dimensions Hena 202 Fig. 27: Dimensions Hena 302 6/62...
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Page 7: About This Manual
Keep the manual for future consultation. 1.1 Validity This operating instructions is a customer document of Pfeiffer Vacuum. The operating instructions de- scribe the functions of the named product and provide the most important information for the safe use of the device. The description is written in accordance with the valid directives. The information in this op- erating instructions refers to the product's current development status. -
Page 8: Pictographs
2019 D-35614 Asslar D-35614 Made in Germany Rating plate of the rotary vane pump Vacuum Pump Hena 202 S/N = PPPPYYWWNNNN = 1 hPa (mbar) = 200 m³/h Motor rating plate (not shown) = 1800 min m = 175 kg... -
Page 9: Abbreviations
About this manual 1.3.4 Abbreviations Abbreviation Meaning in this document Operating instructions Efficiency of the electric motors (premium efficiency class) Internal diameter N.N. Mean sea level Earthed conductor (protective earth) Temperature-dependent resistor (positive temperature coefficient) Width across flats RSSR Radial shaft seal ring Tbl. -
Page 10: Safety
Safety 2 Safety 2.1 General safety information The following 4 risk levels and 1 information level are taken into account in this document. DANGER Immediately pending danger Indicates an immediately pending danger that will result in death or serious injury if not observed. ►... - Page 11 Safety Risks during installation DANGER Danger to life from electric shock Touching exposed and voltage-bearing elements causes an electric shock. Improper connection of the mains supply leads to the risk of touchable live housing parts. There is a risk to life. ►...
- Page 12 Safety Risks during operation WARNING Danger of poisoning due to toxic process media escaping from the exhaust pipe During operation with no exhaust line, the vacuum pump allows exhaust gases and vapors to escape freely into the air. There is a risk of injury and fatality due to poisoning in processes with toxic process media.
- Page 13 Safety Risks during maintenance, decommissioning and malfunctions WARNING Health hazard through poisoning from toxic contaminated components or devices Toxic process media result in contamination of devices or parts of them. During maintenance work, there is a risk to health from contact with these poisonous substances. Illegal disposal of toxic sub- stances causes environmental damage.
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Page 14: Safety Precautions
Safety CAUTION Scalding from hot operating fluid Danger of burns when draining operating fluid if it comes into contact with the skin. ► Wear protective equipment. ► Use a suitable collection vessel. CAUTION Danger of burns on hot surfaces In the event of a fault, the surface temperature of the vacuum pump can increase to above 105 °C. ►... -
Page 15: Limits Of Use Of The Product
(F4, F5, A113) as operating fluid. ► Adhere to the installation, commissioning, operating, and maintenance instructions. ► Do not use any accessory parts other than those recommended by Pfeiffer Vacuum. 2.6 Foreseeable improper use Improper use of the product invalidates all warranty and liability claims. Any use that is counter to the purpose of the product, whether intentional or unintentional, is regarded as misuse, in particular: ●... -
Page 16: Personnel Qualification
● Use of accessories or spare parts not listed in these operating instructions ● Use of operating fluids other than those specified by Pfeiffer Vacuum ● Use of D1 or mineral oil as operating fluid with an oxygen concentration level of > 21 %. Mineral oils are combustible and ignite in high temperatures and when they come into contact with pure oxygen. -
Page 17: Product Description
Product description 3 Product description 3.1 Function The rotary vane pumps of the HenaLine are single-stage, oil-sealed rotary positive displacement pumps with air cooling and circulatory lubrication. A non-return valve in the vacuum connection closes the in- take line automatically when the rotary vane pump is switched off and prevents an operating fluid return flow. -
Page 18: Cooling
The rotary vane pump is cooled by thermal radiation from its surface, the air current from the two fans and the pumped gas. In case of thermally unfavorable ambient conditions, Pfeiffer Vacuum recommends the use of a pump version with oil/water heat exchanger. -
Page 19: Scope Of Delivery
Product description 3.4 Scope of delivery ● Rotary vane vacuum pump with motor ● Operating fluid ● Locking caps for vacuum and exhaust connection ● Operating instructions 19/62... -
Page 20: Transportation And Storage
► Always transport the vacuum pump horizontally or without operating fluid filling. ► Fill in the operating fluid only at the final installation location. Preparations for transport Pfeiffer Vacuum recommends keeping the transport packaging and original protective cov- General information regarding safe transport 1. Observe the weight specified on packaging. -
Page 21: Storing The Vacuum Pump
5. Always place the vacuum pump on an adequately sized, level surface. 4.2 Storing the vacuum pump Storage Pfeiffer Vacuum recommends storing the products in their original transport packaging. Procedure 1. Seal the vacuum and exhaust connection. 2. Store the vacuum pump only in dry, dust-free rooms, within the specified ambient conditions. -
Page 22: Installation
Property damage from contaminated gases Pumping down gases that contain impurities (condensate, particles) damages the vacuum pump. ► Use suitable filters or separators from the Pfeiffer Vacuum range of accessories, to protect the vacuum pump. Installation and operation of accessories Pfeiffer Vacuum offers a series of special, compatible accessories for its rotary vane pumps. -
Page 23: Connecting The Exhaust Side
Shop. 7. Support or suspend the piping to the vacuum pump so that no piping system forces act on the vacuum pump. 8. Use a screwing flange, separator or filter from the Pfeiffer Vacuum line of accessories if necessa- 5.3 Connecting the exhaust side... -
Page 24: Filling The Operating Fluid
Vacuum are also excluded. ► Only use approved operating fluids. ► Only use other application-specific operating fluids after consultation with Pfeiffer Vacuum. The type of operating fluid specified, as well as the filling quantity for the entire rotary vane vacuum pump, are shown on the rating plate. -
Page 25: Connecting The Oil/Water Heat Exchanger
Installation Filling the operating fluid 1. Unscrew the filler screw. 2. Fill the operating fluid according to the sight glass. – The correct fill level is between the MIN/MAX markings or within the ring mark on the sight glass. 3. Screw in the filler screw. –... -
Page 26: Establishing Mains Connection
► Route the mains connection in accordance with locally applicable provisions. ► Always provide a suitable mains fuse to protect the motor and supply cable in the event of a fault. – Pfeiffer Vacuum recommends the circuit breaker type "K" with slow tripping characteristic. 26/62... -
Page 27: Connect Three Phase Motor With 6-Pin Terminal Board
Installation NOTICE Property damage from high starting torque The specific load behavior of the vacuum pump requires direct on-line starting at full motor power. Engine damage occurs if a different starting circuit is used. ► Always start the motor directly. ►... -
Page 28: Connect Three Phase Motor With 12-Pin Terminal Board
Installation The parallel-switched winding strands are arranged in a star layout. The mains current is distributed to two coils in each case. Connect the three phase motor with double star circuit ► Connect the three phase motor according to the connection diagram. Fig. -
Page 29: Checking The Direction Of Rotation
Motor rating [kW] 190 – 200 16.4 380 – 400 15.7 14.8 Tbl. 6: Motor protection switch settings for global motor Hena 202 Voltage [V] Frequency [Hz] Motor rating [kW] 18.5 10.7 Tbl. 7: Motor protection switch settings for Asian motor Hena 202... -
Page 30: Frequency Inverter For Vacuum Pumps With 3-Phase Motor
60 Hz. Start-up is ramped (maximum run-up time: 30 s). Shutdown can take place immediately. 5.6.7 Connecting the PTC thermistor tripping unit Tripping units store the shut-down Pfeiffer Vacuum recommends connecting motors with PTC in the stator winding to a PTC resistor tripping device for protection against overload. F1 - F3 AC 220 ... - Page 31 Installation Procedure ► After shut-down, switch the tripping unit back on manually via the installed RESET button or via the external RESET S3. – Switching on mains detected as automatic RESET. 31/62...
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Page 32: Operation
Operation 6 Operation 6.1 Putting the vacuum pump into operation WARNING Danger of poisoning due to toxic process media escaping from the exhaust pipe During operation with no exhaust line, the vacuum pump allows exhaust gases and vapors to escape freely into the air. There is a risk of injury and fatality due to poisoning in processes with toxic process media. - Page 33 Operation CAUTION Risk of injury from entrapment of body parts After a power failure or a standstill as a result of overheating, the motor restarts automatically. A risk exists of minor injury to fingers and hands (e.g., hematoma), from direct contact with the vacuum flange.
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Page 34: Operating The Rotary Vane Pump With Gas Ballast
Operation 6.3 Operating the rotary vane pump with gas ballast NOTICE Risk of damage from condensation in vacuum pump During operation without gas ballast, condensation may form as a result of the vapor compatibility of the vacuum pump being exceeded. ► Pump condensable vapors only when the vacuum pump is warm and the gas ballast valve open. ►... -
Page 35: Switching Off The Vacuum Pump
Operation Required aids ● Funnel (optional) Fig. 17: Refilling operating fluid 1 Filler screw with manometer Sight glass 2 O-ring Procedure 1. Unscrew the filler screw. 2. With the vacuum pump at operating temperature, refill with operating fluid up to the top marking before the minimum fill level is reached. - Page 36 Operation Procedure 1. If required, switch the vacuum pump off in each pressure range. 2. Switch the mains switch off or securely disconnect the drive motor from the mains. 3. Shut off the cooling water flow. 4. Install an additional shut-off valve in the intake line to ensure that the vacuum is maintained in the vacuum chamber.
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Page 37: Maintenance
► Provide suitable touch protection. NOTICE Danger of property damage from improper maintenance Unprofessional work on the vacuum pump will lead to damage for which Pfeiffer Vacuum accepts no liability. ► We recommend taking advantage of our service training offering. -
Page 38: Checklist For Inspection And Maintenance
Level 1 and Maintenance Level 3 (revision). If the required intervals listed below are exceeded, or if maintenance work is carried out improperly, no warranty or liability claims are accepted on the part of Pfeiffer Vacuum. This also applies wherever parts other than original spare parts are used. -
Page 39: Changing The Operating Fluid
Should process conditions change, you can convert to a different operating fluid type. Safety data sheets You can obtain the safety data sheets for operating fluids from Pfeiffer Vacuum on request, or from the Pfeiffer Vacuum Download Center. -
Page 40: Draining The Operating Fluid
► Wear protective equipment. ► Use a suitable collection vessel. Cleaning by changing the operating fluid Pfeiffer Vacuum recommends, in cases of heavy contamination with process residues, cleaning the inside of the vacuum pump with several operating fluid changes. Prerequisites ●... -
Page 41: Filling The Operating Fluid
5. Seal the drain hole. 7.3.3 Filling the operating fluid Cleaning by changing the operating fluid Pfeiffer Vacuum recommends, in cases of heavy contamination with process residues, cleaning the inside of the vacuum pump with several operating fluid changes. Required consumable material ●... -
Page 42: Rinsing And Cleaning The Rotary Vane Vacuum Pump
7.3.4 Rinsing and cleaning the rotary vane vacuum pump Cleaning by changing the operating fluid Pfeiffer Vacuum recommends, in cases of heavy contamination with process residues, cleaning the inside of the vacuum pump with several operating fluid changes. Required consumable material ●... -
Page 43: Change The Exhaust Filter In The Operating Fluid Separator
► Decontaminate affected parts before carrying out maintenance work. ► Wear protective equipment. Change the exhaust filter annually Pfeiffer Vacuum recommends replacing the exhaust filter in the operating fluid separator annually, depending on the work process and the contamination incurred during the proc- ess. -
Page 44: Dismantling The Exhaust Filters
Maintenance Signs for saturation of the exhaust filter: ● higher current consumption of the motor ● increased emission of operating fluid mist at the gas outlet ● increased pressure in the operating fluid separator (pressure gage display in the red area). 7.4.1 Dismantling the exhaust filters Prerequisites ●... -
Page 45: Cleaning The Intake Strainer
Maintenance Fig. 22: Change the exhaust filter 1 Operating fluid separator O-ring (2x) 2 Screw (4x) Exhaust filter Procedure 1. Apply a light coat of oil to the new o-rings. 2. Place the new o-rings on the front side of the exhaust filter. 3. -
Page 46: Changing The Gas Ballast Filter
Maintenance Fig. 23: Dismantling / assembling the intake strainer 1 Cylinder screw (4x) Vacuum connection 2 Washer (4x) Intake strainer Dismantling the intake strainer 1. Dismantle the intake line. 2. Unscrew the cheesehead screws. – Pay attention to the washers. 3. -
Page 47: Cleaning The Oil/Air Heat Exchanger
Maintenance Fig. 24: Changing the gas ballast filter 1 Gas ballast filter Removing and changing the gas ballast filter 1. Dismantle the gas ballast filter. 2. Check the gas ballast filter and replace the gas ballast filter in the event of severe contamination or damage. -
Page 48: Changing The Operating Fluid Type
Maintenance Fig. 25: Disassemble the oil/air heat exchanger 1 Screw (2x) Oil/air heat exchanger 2 Compressed air Disassemble the oil/air heat exchanger 1. Remove the 2 screws. 2. Remove the oil/air heat exchanger from the vacuum pump. – Be careful with the O-rings. 3. -
Page 49: Decommissioning
9. Pack the vacuum pump together with a drying agent in a plastic bag, and seal the vacuum pump airtight if it is to be stored in rooms with damp or aggressive atmospheres. 10. For longer storage periods (> 2 years), Pfeiffer Vacuum recommends changing the operating fluid again prior to recommissioning. -
Page 50: Recycling And Disposal
– Fluoroelastomers (FKM) – Potentially contaminated components that come into contact with media 9.2 Dispose of rotary vane pump Pfeiffer Vacuum rotary vane pumps contain materials that you must recycle. 1. Fully drain the lubricant. 2. Dismantle the motor. 3. Decontaminate the components that come into contact with process gases. -
Page 51: Malfunctions
► Wear personal protective equipment if necessary. NOTICE Danger of property damage from improper maintenance Unprofessional work on the vacuum pump will lead to damage for which Pfeiffer Vacuum accepts no liability. ► When ordering spare parts, specify the information on the nameplate. -
Page 52: Tbl. 11: Troubleshooting For Rotary Vane Pumps
● Top up the operating fluid. ● Leak in system ● Locate and eliminate the leak. ● Vacuum pump is dam- ● Contact Pfeiffer Vacuum Serv- aged ice. Pumping speed of vacuum ● The intake line is not suit- ● Make sure that connections are... -
Page 53: Service Solutions By Pfeiffer Vacuum
We are always focused on perfecting our core competence – servicing of vacuum components. Once you have purchased a product from Pfeiffer Vacuum, our service is far from over. This is often exactly where service begins. Obviously, in proven Pfeiffer Vacuum quality. - Page 54 Service solutions by Pfeiffer Vacuum 5. Prepare the product for transport in accordance with the provisions in the contamination declaration. a) Neutralize the product with nitrogen or dry air. b) Seal all openings with blind flanges, so that they are airtight.
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Page 55: Spare Parts
Manometer, 0 – 1 bar PK 100 127 Tbl. 12: Hena 202 | Hena 302 spare part packages 12.2 Operating fluids – Maintenance level 1 Select the respective operating fluid type and quantity under consideration of the details on the rating plate. -
Page 56: Accessories
Accessories 13 Accessories View the range of accessories for rotary vane pumps on our website. 13.1 Accessory information Operating fluid level switch Monitors operating fluid level Operating fluid temperature switch Monitors operating fluid temperature Condensate separator Protects the pump from liquids from inlet line or backlow from exhaust line Dust separators Protects the pump from particles out of processes Magnetized gas ballast valve... -
Page 57: Technical Data And Dimensions
Technical data and dimensions 14 Technical data and dimensions 14.1 General Basis for the technical data of Pfeiffer Vacuum rotary vane pumps: ● Specifications according to PNEUROP committee PN5 ● ISO 21360-1: 2016: “Vacuum technology - Standard methods for measuring vacuum-pump per- formance - Part 1: General description”... -
Page 58: Dimensions
-25 – 55 °C -25 – 55 °C Protection degree IP55 IP55 Motor protection Tbl. 17: Technical data for Hena 202 Classification Hena 302 with operat- Hena 302 with operat- ing fluid P3 ing fluid D1 Connection: Atmospheric side Female thread G 2"... - Page 59 Technical data and dimensions ± ± DIN ISO 228-1 ± ± 2x DN19 DIN ISO 228-1 DIN ISO 228-1 Ø 50 4x M10 ± ± Fig. 26: Dimensions Hena 202 2x DN19 Only for Hena 202 with water cooling 59/62...
- Page 60 Technical data and dimensions ± ± DIN ISO 228-1 ± 2x DN19 DIN ISO 228-1 DIN ISO 228-1 Ø 4x M10 ± ± Fig. 27: Dimensions Hena 302 2x DN19 Only for Hena 302 with water cooling 60/62...
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Page 61: Declaration Of Conformity
DIN EN ISO 2151 : 2009-01 DIN EN 13849-1: 2016-06 The authorized representative for the compilation of technical documents is Mr. Wolf- gang Bremer, Pfeiffer Vacuum GmbH, Berliner Straße 43, 35614 Asslar, Germany. Signature: Pfeiffer Vacuum GmbH Berliner Straße 43...
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