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Summary of Contents for Pfeiffer Vacuum HENA 401
- Page 1 OPERATING INSTRUCTIONS Translation of the Original HENA 401 | 631 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 part packages 12.2 Operating fluids – Maintenance level 1 12.3 Maintenance kit – maintenance level 1 12.4 Overhaul kit – maintenance level 3 12.5 Set of seals...
- Page 5 Technical data / temperature switches Tbl. 6: Requirements on the cooling water composition Tbl. 7: Motor protection switch settings for Hena 401 global motor Tbl. 8: Motor protection switch settings for Hena 401 Asian motor Tbl. 9: Motor protection switch settings for Hena 631 global motor Tbl.
- Page 6 Fig. 25: Dimensions Hena 401 with air cooling | Three phase motor IE3 Fig. 26: Dimensions Hena 401 S with water cooling | Three phase motor IE3 Fig. 27: Dimensions Hena 631 with air cooling | Three phase motor IE3 Fig.
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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
Year 2020 D-35614 Asslar Rating plate of the rotary vane vacuum pump Made in Germany Vacuum Pump = DEM119400160 Hena 401 = 800 hPa (mbar) = 630 m = 1200 1/min = 554 kg = P3 Oil quantity = 12 L 1 ~ 190 –... -
Page 9: Abbreviations
About this manual Fig. 1: Position of the stickers on the product 1 Operating instructions note Hot surface warning sign 2 Hot surface warning sign Arrow indicating direction of rotation 3 Rating plate of the motor Hot surface warning sign 4 Rating plate of the rotary vane vacuum pump 1.3.4 Abbreviations Abbreviation... -
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 receptacle. 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
► Use the vacuum pump only for pumping clean air or other non-aggressive, non-poisonous and non-explosive gases. ► Convey media with a greater density than air only after prior consultation with Pfeiffer Vacuum. Avoid high thermal and mechanical loading of the rotary vane pump and the drive. -
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 Safety ● Maintenance level 1 ─ Customer with technical education ─ Pfeiffer Vacuum service technician ● Maintenance level 3 ─ Pfeiffer Vacuum service technician 17/70...
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Page 18: 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 19: 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 20: Scope Of Delivery
Product description Pump type Characteristics Hena 631 ● Nominal pumping speed ─ 50 Hz: 630 m ─ 60 Hz: 760 m ● Vacuum connection and gas outlet: G 3" ● Operating fluid return via the float valve ● Gas ballast unit with shut-off valve ●... -
Page 21: 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 22: 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. Make sure that the gas ballast valve is closed. -
Page 23: Installation
5.2 Connecting the vacuum side NOTICE 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. 23/70... -
Page 24: 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 25: 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. Checking the fill level The correct fill level is between the MIN/MAX markings or within the ring mark on the sight glass. -
Page 26: Connect The Exhaust Gas Temperature Monitoring
Installation Max . Min. Fig. 6: Filling the operating fluid 1 Filler screw with manometer Sight glass 2 O-ring Drain screw Filling the operating fluid 1. Unscrew the filler screw. 2. Fill the operating fluid according to the sight glass. 3. -
Page 27: Tbl. 5: Technical Data / Temperature Switches
PK 100 135 -T Classification Temperature Switch Monitored Features Exhaust gas temperature For pump Hena 400 – Hena 1600 | Hena 401 | Hena 631 Temperature: Operating -12 – 130 °C Connection M12x1, 4-pin Cable length Set point: Temperature max. -
Page 28: Connecting The Oil/Water Heat Exchanger
Installation 5.6 Connecting the oil/water heat exchanger For applications with thermally unfavorable ambient conditions, Pfeiffer Vacuum recommends the use of an optional oil/water heat exchanger. This is fitted at the factory and cannot be retrofitted later on. The volume of cooling water can be regulated at the control valve in accordance with the operating con- ditions and cooling water temperature (position 0 =>... -
Page 29: Establishing Mains Connection
Installation Fig. 9: Making the cooling water connection 1 Cooling water outlet Pressure switch 2 Cooling water control valve Cooling water inlet 3 Solenoid valve Water filter 4 Ball valve (bypass valve) Oil/water heat exchanger Making the cooling water connection 1. -
Page 30: Connect Three Phase Motor With 6-Pin Terminal Board
► 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. NOTICE Property damage from high starting torque The specific load behavior of the vacuum pump requires direct on-line starting at full motor power. -
Page 31: Checking The Direction Of Rotation
Installation Fig. 12: Double star circuit Connect the three phase motor with double star circuit ► Connect the three phase motor according to the connection diagram. Fig. 13: Delta connection Connect the three phase motor with delta connection ► Connect the three phase motor according to the connection diagram. Fig. -
Page 32: Frequency Inverter For Vacuum Pumps With 3-Phase Motor
13.5 27.1 15.0 54.7 15.0 52.9 15.0 51.9 15.0 26.5 15.0 25.9 Tbl. 7: Motor protection switch settings for Hena 401 global motor Voltage [V] Frequency [Hz] Motor rating [kW] 13.5 54.2 13.5 31.3 15.5 56.9 15.0 32.9 Tbl. 8:... -
Page 33: Connecting The Ptc Thermistor Tripping Unit
Installation 5.7.6 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 ... 240 V T1...T3... -
Page 34: 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 35 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 36: 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 37: Switching Off The Vacuum Pump
Operation Max . Min. Fig. 17: Refilling operating fluid 1 Filler screw with manometer Sight glass 2 O-ring Drain screw 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 38 Operation Rotary vane vacuum pumps of the HenaLine have an integrated non-return valve on the suction side. The non-return valve closes automatically when the vacuum pump is switched off, preventing the return flow of gas and processing materials into the intake line. Procedure 1.
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Page 39: 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 40: 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 41: 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 42: Change The Operating Fluid
► Wear protective equipment. ► Use a suitable collection receptacle. 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. Checking the fill level The correct fill level is between the MIN/MAX markings or within the ring mark on the sight glass. -
Page 43: Rinsing And Cleaning The Rotary Vane Vacuum Pump
7.3.3 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 materials ●... -
Page 44: Changing The Operating Fluid Filter
Maintenance Change operating fluid for cleaning 1. Operate the vacuum pump with the gas ballast open, until it is warm. 2. Perform an operating fluid change. 3. Check the pollution level and repeat the changing of the operating fluid if necessary. 4. -
Page 45: 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 46: Mounting The Exhaust Filters
Maintenance 3. Loosen the screw of the filter springs to relieve tension in the springs. 4. Remove the filter springs. 5. Pull the exhaust filter out of the operating fluid separator. – If necessary, remove the filter supports. 7.4.2 Mounting the exhaust filters Prerequisites ●... -
Page 47: Cleaning The Gas Ballast Filter
Maintenance Prerequisites ● Vacuum pump switched off ● Vacuum pump is vented to atmospheric pressure on the suction side ● Vacuum pump cooled Required tool ● Hexagonal wrench, WAF 13 Fig. 22: Dismantling / assembling the intake strainer 1 Cylinder screw Intake strainer 2 Vacuum connection O-ring... -
Page 48: Cleaning The Operating Fluid Return Line
4. Check and clean the gas ballast line using compressed air if the gas ballast line is clogged. 7.7 Cleaning the operating fluid return line In order to guarantee correct functioning of the operating fluid return, Pfeiffer Vacuum recommends cleaning the operating fluid return line and the float valve: ●... -
Page 49: Fig. 24: Operating Fluid Return With Float Valve
Maintenance Fig. 24: Operating fluid return with float valve 1 Operating fluid separator Valve holder 2 Operating fluid return line O-ring 3 Elbow union Float valve 4 Screws Grub screw, set screw Dismantle the float valve Operating fluid leaks out Small amounts of operating fluid may leak out when carrying out the work described below. -
Page 50: Changing The Operating Fluid Type
Maintenance 7.8 Changing the operating fluid type Possibilities for changing the operating fluid type The operating fluid type can be changed between mineral operating fluid – P3 – and syn- thetic operating fluid – D1 – only. It is not possible to change from P3/D1 to F4/F5 or vice versa. Required consumables ●... -
Page 51: 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 52: 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 53: 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. ► We recommend taking advantage of our service training offering. -
Page 54: Tbl. 12: 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 Service. aged Pumping speed of vacuum ● The intake line is not suit- ● Make sure that connections are... -
Page 55: 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 56 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 57: Spare Parts
1. Have the vacuum pump part number to hand, along with other details from the rating plate. 2. Install original spare parts only. Spare parts package Pump type Order number Set of seals Hena 401 PK E60 024 -T Hena 631 Maintenance kit Hena 401 PK E61 023 -T... -
Page 58: Set Of Seals
Spare parts ● Set of seals with all seals relevant for the function ● Bearing ● Intake strainer ● Operating fluid and exhaust filters ● Wearing parts of the valves ● Coupling sleeve 12.5 Set of seals The set of seals contains: ●... -
Page 59: 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 Screwing flange Enables the connection of components with ISO-K Condensate separator Protects the pump from liquids from inlet line or backlow from exhaust line Dust separators... -
Page 60: 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 61 Switch Mains cable Weight 554 kg 554 kg 554 kg 554 kg 554 kg Tbl. 18: Hena 401 with air cooling Classification Hena 401 Hena 401 Hena 401 Hena 401 Part number PK D04 171 211 PK D04 171 212...
- Page 62 Motor protection Switch Mains cable Weight 554 kg 554 kg 554 kg 554 kg Tbl. 19: Hena 401 with water cooling Classification Hena 631 Hena 631 Hena 631 Hena 631 Hena 631 Part number PK D03 600 PK D04 181 111...
- Page 63 Technical data and dimensions Classification Hena 631 Hena 631 Hena 631 Hena 631 Hena 631 Emission sound pressure ≤ 77 dB(A) ≤ 77 dB(A) ≤ 77 dB(A) ≤ 77 dB(A) ≤ 77 dB(A) level without gas ballast at 50 Hz Emission sound pressure ≤...
- Page 64 Technical data and dimensions Classification Hena 631 Hena 631 Hena 631 Hena 631 Hena 631 Water vapor tolerance at 40 hPa 40 hPa 40 hPa 40 hPa 40 hPa 50 Hz Water vapor tolerance at 40 hPa 40 hPa 40 hPa 40 hPa 40 hPa 60 Hz...
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Page 65: Dimensions
1385 ± 2 DIN ISO 228-1 252.5 334.5 630 ± 1.5 451 ± 1.5 913 ± 2 DIN ISO 228-1 3x Ø 75 3x M12 Fig. 25: Dimensions Hena 401 with air cooling | Three phase motor IE3 Dimensions in mm 65/70... -
Page 66: Fig. 26: Dimensions Hena 401 S With Water Cooling | Three Phase Motor Ie3
3x M12 DIN ISO 228-1 1051 252.5 DIN ISO 228-1 21 ± 2 ( 451 ± 2 ) 1007 1019 ± 2 1352 Fig. 26: Dimensions Hena 401 S with water cooling | Three phase motor IE3 Dimensions in mm 66/70... -
Page 67: Fig. 27: Dimensions Hena 631 With Air Cooling | Three Phase Motor Ie3
Technical data and dimensions ± 2 1682 ± 1.5 G 3’’ G 3’’ DIN ISO 228-1 DIN ISO 228-1 Ø 3x M12 ± 1.5 ± 2 Fig. 27: Dimensions Hena 631 with air cooling | Three phase motor IE3 Dimensions in mm 67/70... -
Page 68: Fig. 28: Dimensions Hena 631 S With Water Cooling | Three Phase Motor Ie3
Technical data and dimensions 1520 `2 DIN ISO 228-1 225.5 334.5 792`1.5 (451`1.5) 1019 DIN ISO 228-1 3x n75 3x M12 Fig. 28: Dimensions Hena 631 S with water cooling | Three phase motor IE3 Dimensions in mm 68/70... -
Page 69: 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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