Pfeiffer Vacuum OKTA 500 ATEX Operating Instructions Manual Download Page 49

Page: 49 / 60

Problem

Possible causes

Remedy

Unusual noises during op-

eration

● Suction chamber dirty

● Switch the roots pump off immedi-

ately and clean the suction chamber

● Damage to the bearing

or gear wheels

● Switch the roots pump off immedi-

ately; contact Pfeiffer Vacuum Serv-

ice

● Damage to motor

bearing

● Switch the roots pump off immedi-

ately

● Replace the motor; contact Pfeiff-

er Vacuum Service

Tbl. 17:

Troubleshooting

Malfunctions

49/60

Summary of Contents for OKTA 500 ATEX

Page 1: ...OPERATING INSTRUCTIONS EN Translation of the Original OKTA 500 ATEX Roots pump...

Page 2: ...eiffer vacuum de Further operating instructions from Pfeiffer Vacuum can be found in the Download Center on our website Disclaimer of liability These operating instructions describe all models and var...

Page 3: ...pump 22 4 2 Storing the vacuum pump 23 5 Installation 24 5 1 Preparatory work 24 5 2 Installing the vacuum pump 24 5 3 Filling with lubricant 25 5 4 Connecting the vacuum side 26 5 5 Connecting the f...

Page 4: ...hamber 44 7 5 Cleaning the overflow valve 44 8 Decommissioning 46 8 1 Shutting down for longer periods 46 8 2 Recommissioning 46 8 3 Disposing of the vacuum pump 47 9 Malfunctions 48 10 Service soluti...

Page 5: ...29 Tbl 11 Evaluated frequency ranges 37 Tbl 12 Characteristic bearing damage frequencies of the roots pump 38 Tbl 13 Characteristic frequencies of the roots pump 38 Tbl 14 Evaluated frequency range of...

Page 6: ...ng capacity of the connection flange 27 Fig 7 Check temperature monitoring 28 Fig 8 Delta connection for low voltage 30 Fig 9 Star circuit for high voltage 31 Fig 10 Checking the direction of rotation...

Page 7: ...tus of the product The documentation remains valid as long as the cus tomer does not modify the product in any way 1 1 1 Applicable documents Document Number Declaration of conformity for Equipment ca...

Page 8: ...ched on when it has reached a pressure at which the required gas quantity can be assumed by the backing pump The blocking may not be canceled under any circumstances As an alternative the optionally a...

Page 9: ...ove the sight glass Motor rating plate not shown Vor Inbetriebnahme Pumpe mit l f llen Fill the pump with oil before putting into operation Remplir la pompe d huile avant la mise en route Sticker red...

Page 10: ...n BA Operating instructions DIN German Institute for Standardization Deutsches Institut f r Normung EPL Equipment Protection Level ISO International Organization for Standardization n Rotation speed H...

Page 11: ...t or on this document 2 2 Safety instructions All safety instructions in this document are based on the results of the risk assessment carried out in accordance with Machinery Directive 2006 42 EC Ann...

Page 12: ...ions e g increased exhaust pressure There is a danger of bursting Injuries caused by flying fragments the escaping of high pressure and damage to the unit cannot be excluded Route the exhaust line wit...

Page 13: ...m after switching off the motor and can trap fingers and hands within their reach Wait until the vacuum pump comes to a complete standstill Secure the vacuum pump against re start WARNING Danger of po...

Page 14: ...l of toxic sub stances causes environmental damage Take suitable safety precautions and prevent health hazards or environmental pollution by toxic process media Decontaminate affected parts before car...

Page 15: ...changes the original product or installs additional equipment Following the installation into a system the operator is required to check and re evalu ate the conformity of the overall system in the co...

Page 16: ...O 80079 36 for non electrical equipment A protection type established for electrical equipment is not used Explosion groups Gases and vapors are divided into three Explosion groups based on their part...

Page 17: ...Electrical sparks Electric motor The use of an explosion proof electric motor is prescri bed Observe the marking on the motor rating plate Static elec tricity Vacuum pump not earth ed Integrate the va...

Page 18: ...s protected against dust deposits falling objects fire fighting water Outdoors protected against falling objects direct influence of weather such as rain splash wa ter strong drafts and sunlight fire...

Page 19: ...tion chamber are cast iron steel and stainless steel Seals are FPM alternative seals available on request Pumping media that introduce an ignition source to the suction chamber Pumping media that form...

Page 20: ...equipped with a magnetic coupling and a thermometer 1 2 3 4 5 6 7 9 10 11 12 8 Fig 2 Okta 500 ATEX design 1 Blank flange mounted on the vacuum flange 7 Thermometer 2 Eye bolts 8 Fore vacuum flange 3...

Page 21: ...bricant P3 for standard pump Thermometer Ball valve Locking screw Operating instructions of the roots pump Operating instructions of the motor Additional documents for the thermometer Additional docum...

Page 22: ...ecure the danger zone if necessary Pay attention to the center of gravity of the load during transport Ensure even movements and moderate speeds Observe safe handling of the transport devices Avoid sl...

Page 23: ...not have any corrosion protection on the inside If you intend to store the roots pump for longer periods we recommend that you use a special corrosion protection agreed with us Procedure 1 Close both...

Page 24: ...1 Fig 4 Dismantle the fittings to vent the vacuum pump 1 Protective cover 5 Small flange 2 Measurement connection 6 Circlip 3 Seal 7 Ball valve 4 Locking screw Draining the nitrogen 1 Open the ball va...

Page 25: ...or rating plate remains accessible at all times for a clear view of the voltage and frequency specifications 9 Maintain the minimum distances to bordering surfaces to guarantee sufficient air circulat...

Page 26: ...ts pump NOTICE Property damage from intake of solid particles During commissioning there is a risk of damage to the suction chamber from dirt from the system or the pipes Use a suitable protective str...

Page 27: ...roots pump CAUTION Danger of injury from bursting as a result of high pressure in the exhaust line Faulty or inadequate exhaust pipes lead to dangerous situations e g increased exhaust pressure There...

Page 28: ...es are generated in the exhaust channel of the roots pump In order to avoid effective sources of ignition due to prevailing gas temperatures the roots pump is equipped with a thermometer that measures...

Page 29: ...gnition protection system on the operator side in accordance with the requirements for the device category or EPL Observe the necessary ignition protection system type Regular check Check the thermome...

Page 30: ...frequency converter observe the rotation speed range specified in the technical data Depending on the pump type different motor designs or mains voltages can be used Three phase motor with PTC withou...

Page 31: ...Procedure When switching on for the first time check the roots pump s direction of rotation 1 Switch the vacuum pump on briefly 2 to 3 seconds The motor and coupling must rotate clockwise see directio...

Page 32: ...inner and outer coupling The eddy currents that are caused as a result lead to the overheating of the magnetic coupling When the vacuum pump is used as intended the magnetic coupling is unlikely to b...

Page 33: ...odulated PWM motor voltage that comprises voltage blocks with a relatively steep rise and fall speed The steepness of the flanks of the voltage blocks de fine the voltage slew rate SR u t Factors whic...

Page 34: ...ve in the event of cut in pressure if the backing pump can assume the required amount of gas Depending on the pumping speed of the backing pump SVvp the cut in pressure for the roots pump is calculate...

Page 35: ...ns Nm3 h p Intake pressure hPa p0 Ambient pressure under standard conditions hPa p Differential pressure max hPa pV Fore vacuum pressure hPa AS Sealing gas content at the operating gas flow 0 01 AS 0...

Page 36: ...3 VDI 3836 Measurement and evaluation of mechanical vibrations of screw compres sors and roots blowers VDI 3832 Measurement of structure borne sound of rolling element bearings in ma chines and plant...

Page 37: ...pump Condition monitoring takes place in accordance with guideline VDI 3836 You must evaluate the vibra tions in two relevant frequency ranges in accordance with the broadband method Frequency range A...

Page 38: ...or the overall roots pump The characteristic frequencies of the roots pump can also be evaluated using the frequency selec tive method narrow band method The evaluation is not relevant for the ignitio...

Page 39: ...intake side 4 Make sure that you do not vent the vacuum chambers through the vacuum pump 5 Switch off the process and pump specific media supply e g the sealing gas supply Procedure with contaminated...

Page 40: ...roots pump WARNING Danger of injury from strong magnetic field There is a risk of injury for people with pacemakers and medical implants Make sure that such individuals do not enter the sphere of inf...

Page 41: ...ly 1 year 2 years Inspection Visual and acoustic pump check Check the lubricant level and color of the lubricant Check the vacuum pump for leaks Check the vacuum pump for running noises Maintenance le...

Page 42: ...When changing the lubricant there is a health hazard due to contact with poisonous substances Illegal disposal of toxic substances causes environmental damage Wear suitable personal protective equipme...

Page 43: ...s 1 Shut down the vacuum pump and allow it to cool if necessary 2 Vent the vacuum pump to atmospheric pressure via the intake side 3 Unscrew the filler screws 4 Place the collection receptacle underne...

Page 44: ...the lubricant and bearing chambers The clearance between pistons and housing are within a tenth of a centimeter range Sustained accu mulating contamination has the following effect the friction heat...

Page 45: ...5 Clean and dry the guide pin from the valve cover 6 Lightly rub the surface with emery cloth grain size 180 Never oil the guide pin this has an adverse effect on damping If necessary replace complete...

Page 46: ...of machines traffic routes etc as strong vibrations may damage the bearing 8 2 Recommissioning DANGER Risk of explosion from electrostatic charging during transport There is a risk of sustaining inju...

Page 47: ...risk to health from contact with these poisonous substances Illegal disposal of toxic sub stances causes environmental damage Take suitable safety precautions and prevent health hazards or environmen...

Page 48: ...ndustrial Safety and Health We recommend taking advantage of our service training offering Problem Possible causes Remedy Roots pump will not start up Mains voltage is miss ing or the incorrect op era...

Page 49: ...f immedi ately and clean the suction chamber Damage to the bearing or gear wheels Switch the roots pump off immedi ately contact Pfeiffer Vacuum Serv ice Damage to motor bearing Switch the roots pump...

Page 50: ...and addresses can be found on our website in the Pfeiff er Vacuum Service section Advice on the optimum solution is available from your Pfeiffer Vacuum contact partner For quick and smooth handling of...

Page 51: ...ontainers e Observe the applicable transport conditions ERKL RUNG KONTAMINIERUNG 6 Affix the declaration of contamination to the outside of the packag ing 7 Then send your product to your local Servic...

Page 52: ...packs Observe the following instructions when ordering spare parts Have the vacuum pump part number and any other necessary details from the rating plate to hand when ordering spare parts Install ori...

Page 53: ...er number Sealing gas set for Okta 500 ATEX G 3 8 4 PP 042 753 T Screw set for Okta 300 M Okta 500 M ATEX Okta 600 M Okta 800 M DN PN16 Zinc plated Steel PP 042 663 T Blank flange set for Okta 300 M O...

Page 54: ...59 2 0 75 0 987 Pa m3 s 10 1 592 7 5 9 87 sccm 1 69 10 2 1 69 10 3 1 1 27 10 2 1 67 10 2 Torr l s 1 33 0 133 78 9 1 1 32 atm cm3 s 1 01 0 101 59 8 0 76 1 Tbl 21 Conversion table Units for gas throughp...

Page 55: ...40 C with motor magnetic coupling and overflow valve Flange in DN 100 PN 16 DN 100 PN 16 Flange out DN 100 PN 16 DN 100 PN 16 Nominal pumping speed 280 670 m h 280 670 m h Nominal pumping speed at 50...

Page 56: ...ons Dimensions in mm 250 15 15 140 170 246 277 382 945 max 5 20 DN 100 PN 16 180 8x M16 20 depth 102 H11 x 4 5 depth DN 100 PN 16 sealing groove inner 126 outer 138 depth 3 4 mm 102 H11 x 4 5 depth 22...

Page 57: ...hazardous substances delegated directive 2015 863 EU Harmonized standards and applied national standards and specifications DIN EN ISO 12100 2011 DIN EN ISO 13857 2008 DIN EN 1012 2 1996 A1 2009 DIN E...

Page 58: ...hazardous substances delegated directive 2015 863 EU Harmonized standards and applied national standards and specifications DIN EN ISO 12100 2011 DIN EN ISO 13857 2008 DIN EN 1012 2 1996 A1 2009 DIN E...

Page 59: ...59 60...

Page 60: ...PW0150 E Date 1908 P N PW0150BEN...

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Pfeiffer Vacuum OKTA 500 ATEX, Operating Instructions Manual

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