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1. A652 01 880 Issue S Original Instruction Manual RV3 RV5 RV8 and RV12 Rotary Vane Pumps A 65X YY ZZZ p Pump Type Variant Motor Description X YY ZZZ 2 RV3 01 to 99 903 220 240V 50 60Hz Single phase 3 RV5 904 100 200V 50 60Hz Single phase 4 RV8 905 200 230 380 460V 50 60Hz Three phase 5 RV12 906 110 115 120V 50 60Hz Single phase 965 NEMA Bareshaft 970 ISO Bareshaft Ep WARDS WWW EDWARDSVACUUNM COM amp bwaAnps Declaration of Conformity Edwards Manor Royal Crawley West Sussex RH10 9LW UK declare under our sole responsibility that the product s RV Rotary vacuum pumps A65X YY ZZZ Y Pump Variant Motor Description Type X YY ZZZ 2 RV3 01 to 99 903 220 240V 50 60Hz Single phase 3 RV5 904 100 200V 50 60Hz Single phase 4 RV8 905 200 230 380 460V 50 60Hz Three phase 5 RV12 906 110 115 120 50 60Hz Single phase to which this declaration relates is in conformity with the following standard s or other normative document s EN ISO 12100 2 2003 Safety of machinery Basic Concepts General Principles for Design EN 61010 1 2001 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use EN13463 5 2001 Non electrical equipment for potentially explosive atmospheres Part 5 Protection by constructional safety EN 1012 2 1997 Compressors and Vacuum Pumps Safety Requirements Part 2 Vacuum Pumps IEC 3
2. 411 then fit the element to the coupling hub 7 Align the coupling element in the hub with the coupling in the fan and fit the motor to the pump 8 cs the motor with the four screws 421 Tighten the screws to a torque of between 10 and 12 Nm Note that e The gap between the coupling faces must be 2 mm or less e f necessary adjust the position of the coupling hub on the pump shaft so that the gap is correct Edwards Limited 2007 All rights reserved Page 51 Edwards and the Edwards logo are trade marks of Edwards Limited sduund y 3JeuseoJeg sduund y 3JeusoJeg A652 01 880 Issue S Page 52 Ep WARDS Figure 11 Fit the motor to a bareshaft pump A Pump motor B Key in shaft 132 Coupling hub 409 Ducting sheet 410 Fan 411 Coupling element 413 Lifting plate RV8 RV12 414 Lifting handle RV3 RV5 421 Screw 422 Nut and bolt 453 Motor support 454 Screw 455 Screw Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited
3. Replace the oil Every 3000 hours of operation 5 4 Inspect and clean the inlet filter Yearly 5 5 Inspect and clean the gas ballast control Yearly 5 6 Clean the oil level sight glass Yearly 5 7 Clean the motor fan cover and enclosure Yearly 5 8 Clean and overhaul the pump Every 15000 hours of operation 5 9 Fit new blades Every 30000 hours of operation 5 10 Test the motor condition Every 15000 hours of operation 5 11 5 3 Check the oil level Note If required you can check the oil level while the pump is operating however you must switch off the pump and isolate the pump and other components in the pumping system from the electrical supply before you pour oil into the pump Refer to Figure 1 for the items in brackets 1 Check that the oil level in the sight glass 8 is between the MAX and MIN level marks on the bezel of the sight glass 2 If the oil level is near to or below the MIN level mark remove one of the filler plugs 6 and pour more oil into the reservoir until the oil reaches the MAX level mark If the oil level goes above the MAX mark remove the drain plug 9 and drain the excess oil from the pump Refit the filler plug 3 If the oil is contaminated drain and refill the pump with clean oil as described in Section 5 4 Page 34 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited ED WARDS A652 01 880 Issue S 5 4 Replace the oil 1 Refer to Figure 1 O
4. 50 15 9 0 2 5 460 60 1 5 8 7 2 5 Edwards Limited 2007 All rights reserved Page 15 Edwards and the Edwards logo are trade marks of Edwards Limited ejep jedIUude L A652 01 880 Issue S Ep WARDS This page has been intentionally left blank Page 16 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited ED WARDS A652 01 880 Issue S 3 Installation 3 1 Safety WARNING We recommend that you do not use a hydrocarbon prepared RV pump for pumping hazardous substances PFPE prepared pumps are suitable for oxygen applications refer to Section 8 You must ensure that the RV pump is suitable for your application If you have any doubt as to the suitability of the RV pump for your application refer to the Edwards guidelines on vacuum pump and vacuum system safety see the Associated publications at the end of the Contents list at the front of this manual A suitably trained and supervised technician must install your RV pump Obey the safety instructions listed below when you install the pump especially when you connect the pump into an existing system Details of specific safety precautions are given at the appropriate point in the instructions e Wear the appropriate safety clothing when you come into contact with contaminated components e Vent and purge your vacuum system before you start installation work e Ensure that the installation technician is familiar
5. 8 before you maintain the pump e A suitably trained and supervised technician must maintain the pump Obey your local and national safety requirements e Ensure that the maintenance technician is familiar with the safety procedures which relate to the pump oil and the products processed by the pumping system e Check that all the required parts are available and of the correct type before you start work e Isolate the pump and other components from the electrical supply so that they cannot be operated accidentally e Allow the pump to cool so that it is at a safe temperature for skin contact before you start maintenance work Make sure the pump is switched off in case the thermal overload device restarts the pump e Do not reuse O rings and seals if they are damaged e After maintenance is completed recheck the direction of pump rotation if the electrical supply has been disconnected e The pump and the pump oil will be contaminated with the process chemicals that have been pumped during operation Ensure that the pump is decontaminated before maintenance and that you take adequate precautions to protect people from the effects of dangerous substances if contamination has occurred e Do not touch or inhale the thermal breakdown products of fluorinated materials which may be present if the pump has been heated to 310 C and above Fluorinated materials are safe in normal use but can decompose into very dangerous substances which may
6. S 6 Storage and disposal 6 1 Storage CAUTION Observe the storage temperature limits stated in Section 2 1 Storage below 30 C will permanently damage the pump seals Note If you will store a new pump in conditions of high humidity remove the pump from its cardboard packaging box dispose of the box refer to Section 6 2 Use the following procedure to store the pump esodsip pue obeJo13S 1 Shut down the pump as described in Section 4 8 2 Disconnect the pump from the electrical supply Purge your vacuum system and the pump with dry nitrogen and disconnect the pump from your vacuum system Replace the oil as described in Section 5 4 Place and secure protective covers over the inlet and outlet ports OY UT d 9 Store the pump in cool dry conditions until required for use When required prepare and install the pump as described in Section 3 If the pump has been stored for more than a year before you install the pump you must clean and overhaul it as described in the instructions supplied with the clean and overhaul kit 6 2 Disposal Dispose of the pump and any components removed from it safely in accordance with all local and national safety and environmental requirements Take particular care with components and waste oil which have been contaminated with dangerous process substances Do not incinerate fluoroelastomer seals and O rings Edwards Limited 2007 All rights reserved Page 41 Edwards
7. WARDS This page has been intentionally left blank Page 6 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited ED WARDS A652 01 880 Issue S 2 Technical data Note To comply with CSA standards the pump must be installed and used indoors and within the operating conditions specified in Table 1 below 2 1 Operating and storage conditions Table 1 Operating and storage conditions Ambient temperature range operation 12 to 40 C Ambient temperature range storage 30 to 70 C Normal surface temperature of the pump body 50 to 70 C Maximum humidity operation 90 RH Maximum altitude operation 2000 m Pollution degree Installation category At ultimate vacuum with ambient temperature of 20 C 2 2 Performance 2 2 1 General Note In Tables 2 and 3 total pressures have been measured by a capacitance diaphragm gauge on a vacuum chamber without a cold trap as specified by Pneurop Standard 6602 1979 Table 2 General performance data High Vacuum mode 6 performance See Table 3 High Throughput mode 6 performance See Table 4 Suckback protection 1x10 mbar st 1x 103 Pal st Maximum initial pressure rise with no gas ballast flow 1x10 mbar 10 Pa RV5 Maximum displacement m ht 50 Hz electrical supply 60 Hz electrical supply Maximum pumping speed Pneurop 6602 1979 m3 ht 50 Hz electrical supply 60 Hz electrical supply Maximum permi
8. WARNING Connect the exhaust to a suitable treatment plant to prevent the discharge of dangerous gases and vapours to the surrounding atmosphere Use a catchpot to prevent the drainage of contaminated condensate back into the pump Before you connect the pump to your vacuum system fit the centring ring and inlet filter supplied with the pump to the pump inlet port see Figure 5 Take note of the following information when you connect the pump to your vacuum system Refer to Section 7 4 for details of the accessories mentioned below Use standard NW25 fittings not supplied when you connect the pump e Foroptimum pumping speeds ensure that the pipeline connected to the pump inlet is as short as possible and has an internal diameter of 25 mm or larger e Support the vacuum pipelines to prevent loading of the coupling joints e f necessary incorporate flexible bellows in your system pipelines to reduce the transmission of vibration and to prevent loading of coupling joints If you use flexible bellows you must ensure that you use bellows which have a maximum pressure rating which is greater than the highest pressure that can be generated in your system We recommend that you use Edwards flexible bellows e Use a suitable inlet trap if you pump condensable vapours or if you use the pump for very dusty applications e Use a suitable valve to isolate the pump from your vacuum system if you need to pump condensable vapours or maintain vacuum
9. a 31 To decontaminate the Oil ssiri ree terrre nte eR E ANAE UD LN M LP P bre ti RE RENE 31 Unattended operation iu ist rrt eiim seit bred te lieri E Ve kboncrt kn dnte bx beds ka ndr ap Re UT UAR 31 spen mec 32 MEINTCNANCS TU 33 Safety InformatloD su Sasi nne eet ninio n cmd eue nsn a sieut ue cr ER Rau 33 Maintenance plan 3 25 3 ex 262 ed enr riesen eoa Un RPA I es pune Prbx KL PLI M PLUTO aes 34 Gheck the oillevel UR A M 34 Replace theol soriana aa A N A aaa bis A E ieee 35 Inspect and clean the inlet filter ssssssssssssee memes meni hes nennen 35 Inspect and clean the gas ballast control sssssssssss mense e nnns 36 Clean the oil level sight glass sscsssssssssssenme mmn mmm meme memini ess nnns 37 Clean the motor fan cover and enclosure cece cece ete eee eee ene mmm eese 38 Clean and overhaul the pump 0 meme memes heme heh emen enne n nnne nn nnn 38 Fit new Blades S n 38 Test the motor condition 2 2 easet nte ma an naa aa DEEP EDU D NpeEU dd dur aS 38 Fault bpeM x agate avin 38 IAEFOGUCEIOM NEP CHR ITE 38 The pump has failed to sEart 1 uoto eee eene berg auiis upheld secet tsp inire cts quc 38 The pump has failed to achieve the specified performance has failed to reach ultimate vacuum 39 The pump ISMOISY srauni ee kubdd unes scuta rIertpeRR Rit fresa fiRPutbeni Denier bon
10. and the oil filler plug on the pump When the kit is fitted oil will be returned from the mist filter to the pump when the pump is switched off or when the gas ballast control is closed in the 0 position and there is no process gas being pumped 7 4 10 Oil drain extension Fit the oil drain extension between the oil drain port on the pump and the oil drain plug to make the drainage of oil from the pump easier 7 4 11 Exhaust nozzle kit The exhaust nozzle replaces the outlet flange Use the exhaust nozzle to connect the pump outlet to 12 mm internal diameter plastic hose 7 4 12 Vibration isolators Vibration isolators reduce vibration and noise when the pump is floor or frame mounted and help to reduce strain when the mounting area is uneven 7 4 13 Solenoid operated gas ballast valve Fit the gas ballast valve in place of the built in gas ballast control on the pump you must fit the gas ballast adaptor see Section 7 4 8 with the solenoid operated gas ballast valve The valve provides automatic on off control of the gas ballast and isolates the gas ballast inlet when the pump is switched off 7 4 14 Solenoid operated pipeline valve Fit the pipeline valve between your vacuum system and the pump inlet to provide additional system protection when the pump is switched off Page 46 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited Ep WARDS Figure 10 Accessorie
11. electrical supply voltage does not match that of the motor e The outlet pipeline or the outlet filter if fitted is blocked e The oil temperature is below 12 C e The oil is too viscous e The oil is contaminated e The pump has seized after long storage e The pump has been left to stand after contaminants have been pumped and has seized e The motor is faulty Page 38 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited ED WARDS A652 01 880 Issue S 5 12 3 The pump has failed to achieve the specified performance has failed to reach ultimate vacuum e Your pressure measurement technique or gauge head is unsuitable or gives an incorrect indication of pressure For example a contaminated Pirani gauge can indicate a pressure which is several times higher than the actual pressure in the system e You have filled the pump with the wrong type of oil o2ueuo1uleJ e There isa leak in your vacuum system e The mode selector and gas ballast control are set incorrectly e The oil level is below minimum level e The oil is contaminated e Your vacuum fittings are dirty or damaged e The inlet filter is blocked e The pump has not warmed up 5 12 4 The pump is noisy e The motor fan cover is damaged e The motor bearings are worn e The oil is contaminated with solid particles 5 12 5 The pump surface temperature is above 100 C Note If the inlet pressure is continuously higher
12. is defined below WARNING Warnings are given where failure to observe the instruction could result in injury or death to people CAUTION Cautions are given where failure to observe the instruction could result in damage to the equipment associated equipment and process The units used throughout this manual conform to the SI international system of units of measurement In accordance with the recommendations of IEC1010 the following warning labels are on the pump Warning refer to accompanying documentation Warning risk of electric shock Warning hot surfaces gt gt gt Edwards Limited 2007 All rights reserved Page 1 Edwards and the Edwards logo are trade marks of Edwards Limited uorjonpoJ3u uorjonpoJ3u A652 01 880 Issue S Ep WARDS 1 2 ATEX directive implications G 03 lt u Ta INTERNAL ATMOSPHERES ONLY Tech File Ref MPTR 0271 e This equipment is designed to meet the requirements of Group II Category 3 equipment in accordance with Directive 94 9 EC of the European Parliament and the Council of 23rd March 1994 on the approximation of the laws of the Member States concerning equipment and protective systems intended for use in potentially explosive atmospheres The ATEX Directive The ATEX Category 3 applies in respect of potential ignition sources internal to the equipment An ATEX Category has not been assigned in respect of potential ignition sources on the outside of the equipment ast
13. motor is totally enclosed and is cooled by the motor cooling fan which directs air along the motor fins The pumps are cooled by an additional fan attached to the motor coupling Single phase motors are fitted with an on off switch 12 and a thermal overload device When the motor is too hot the thermal overload device switches off the pump The thermal overload device has an automatic reset when the motor cools down the device resets and unless you have incorporated suitable control equipment which must be manually reset see Sections 3 7 2 and 3 8 2 the motor will restart The pump is mounted on a base plate on rubber feet 10 Details of suitable vibration isolators and other accessories are provided in Section 7 4 Refer to Section 8 for additional information if your pump is PFPE prepared 1 4 Performance modes and controls The pump hastwo controls the mode selector 11 and the gas ballast control 5 Six possible combinations of these controls allow for a wide choice of operating characteristics so you can optimise the performance of the pump for a given application 1 4 1 Mode selector The mode selector has two positions refer to Section 4 2 to select these positions Throughout the rest of this manual the following convention is used e The High Vacuum mode is specified by the symbol e The High Throughput mode is specified by the symbol With the mode selector set to High Vacuum mode 6 pressurised oil isfed to th
14. than 100 mbar 1 x 10 Pa the surface temperature of the RV12 pump can reach 115 C when the ambient temperature is 40 C e The ambient temperature is too high e The cooling air supply is insufficient or is too hot e The electrical supply voltage is too high e The outlet filter or the outlet pipeline is blocked e The oil level is below minimum level e You have filled the pump with the wrong type of oil e The oil is contaminated e The process gas is too hot or the throughput is too high 5 12 6 The vacuum is not fully maintained after the pump is switched off e The gas ballast control is open that is in position I or II e The inlet valve pad is damaged e Theinlet valve has not closed Edwards Limited 2007 All rights reserved Page 39 Edwards and the Edwards logo are trade marks of Edwards Limited A652 01 880 Issue S Ep WARDS 5 12 7 The pumping speed is poor e The connecting pipelines are too small in diameter e The connecting pipelines are too long e The inlet filter is blocked 5 12 8 There is an external oil leak o2ueuo1uleJ e The outer shaft seal is worn or damaged e The oil box gaskets have deteriorated e There is an oil leak from the gas ballast control e There is an oil leak from the drain plug e There isan oil leak from the sight glass Page 40 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited ED WARDS A652 01 880 Issue
15. when the pump is switched off e Ensure that sealing surfaces are clean and scratch free Page 24 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited ED WARDS A652 01 880 Issue S In any of the following circumstances we recommend that you fit an oil mist filter to the pump outlet e f you use the pump with the gas ballast control open in position I or position Il e f you operate the pump with an inlet pressure greater than 10 mbar 1 x 10 Pa for extended periods e If you frequently pump down from atmospheric pressure The oil mist filter will trap the oil exhausted from the pump you can reuse the oil if it is not contaminated 3 10 Leak test the system Leak test the system and seal any leaks found after you have installed the RV pump to prevent leakage of substances out of the system and leakage of air into the system Edwards Limited 2007 All rights reserved Page 25 Edwards and the Edwards logo are trade marks of Edwards Limited uonej ieasul A652 01 880 Issue S Ep WARDS This page has been intentionally left blank Page 26 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited ED WARDS A652 01 880 Issue S 4 Operation WARNING Do not expose any part of your body to vacuum If you do you may be injured uorneaedo 4 1 ATEX directive implications 4 1 1 Introduction T
16. with the safety procedures which relate to the pump oil and the products handled by the pumping system Take suitable precautions to avoid the inhalation of oil mist and excessive skin contact with pump oil as prolonged exposure can be harmful e Disconnect the other components in the pumping system from the electrical supply so that they cannot be operated accidentally 3 2 System design considerations Consider the following points when you design your pumping system e Usea suitable valve to isolate the pump from your vacuum system if you need to allow the pump to warm up before you pump condensable vapours or to provide additional system protection when the pump is switched off e Avoid high levels of heat input to the pump from the process gases otherwise the pump may overheat and seize and cause the motor thermal overload device to open e f you use the pump in a high ambient temperature and have a high gas throughput the temperature of the pump body may exceed 70 C and you must fit suitable guards to prevent contact with hot surfaces e Make sure that the exhaust pipeline cannot become blocked If you have an exhaust isolation valve make sure that you cannot operate the pump with the valve closed e Provide for a purge of inert gas when you shut down the pumping system to dilute dangerous gases to safe concentrations A suitable gas ballast adaptor for introduction of purge gas into the pump is available as an accessory see S
17. 01 036 A505 74 000 A652 01 134 A652 01 136 A652 99 000 A654 99 000 A652 98 000 A654 98 000 A652 97 000 A654 97 000 A652 01 137 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited PFPE prepared pumps H113 06 019 H113 06 020 A652 01 131 A652 01 130 A653 01 130 A654 01 130 A655 01 130 A652 09 032 A653 09 032 A654 09 032 A655 09 032 A652 01 036 A505 74 000 A652 01 134 A652 09 136 A652 99 000 A654 99 000 A652 98 000 A654 98 000 A652 97 000 A654 97 000 ED WARDS A652 01 880 Issue S 7 4 Accessories 7 4 1 Introduction The accessories which can be fitted to the RV pump are shown in Figure 10 and their Item Numbers are listed in Table 14 These accessories are briefly described in Sections 7 4 2 to 7 4 14 Table 14 Accessory Item Numbers Accessory Refer to Section Item Number ITO20K Inlet catchpot ITF20K Inlet dust filter ITD20K Inlet desiccant trap ITC20K Inlet chemical trap FL20K Foreline trap EMF10 Outlet mist filter EMF20 Outlet mist filter Gas ballast adaptor Gravity oil drain kit Oil drain extension Exhaust nozzle kit Vibration isolators pack of four EBV20 Solenoid Operated Gas Ballast Valve 220 240 V 50 60 Hz 100 120 V 50 60 Hz PV25EK Pipeline Valve aluminium 220 240 V 50 60 Hz 110 127 V 50 60 Hz PV25EK Pipeline Valve stainless steel 220 240 V 50 60 Hz 110 127 V 50 60 Hz 7 4 2 Inlet catc
18. 10 x10 1x 104 1x10 Pa Edwards Limited 2007 llrightsreserved Page 11 Edwards and the Edwards logo are trade marks of Edwards Limited ejep J e iuu e L A652 01 880 Issue S 2 3 Mechanical data Dimensions Degree of protection IEC 34 5 1981 Single phase pumps Three phase pumps Maximum tilt angle ejep jediuude L Motor rotational speed 50 Hz electrical supply 60 Hz electrical supply Maximum mass Pumps with motor without oil Bareshaft pumps 2 4 Ep WARDS Table 6 Mechanical data See Figure 3 IP44 IP54 10 1470 r min 1760 r min RV3 21 6 kg 14 0 kg RV8 26 0 kg 16 5 kg Noise and vibration data Table 7 Noise and vibration data Sound pressure Single phase pumps Three phase pumps Vibration severity Single phase pumps Three phase pumps Measured at ultimate vacuum 1 metre from the end of the pump to ISO 11201 High Vacuum mode 6 50 Hz operation T Measured at the inlet port to ISO 2372 1974 2 5 Lubrication data Note Edwards Material Safety Data sheets for the rotary pump oils are available on request Table 8 Lubrication data Recommended oil Hydrocarbon prepared pumps PFPE prepared pumps Oil capacity Maximum Minimum Edwards Ultragrade 19 Krytox 1506 or Fomblin 06 6 RV3 RV5 0 70 litres 0 70 litres 0 42 litres 0 42 litres RV8 0 75 litres 0 45 litres RV12 1 00 litres 0 65 litres Tooperate the pump when
19. 4 Parts 1 5 8 11 1991 General Requirements for Rotating Electrical Machines C22 2 No 77 1998 otors with Inherent Overheating Protection C22 2 No 100 1992 otors and Generators CAN CSA C22 2 No 61010 1 04 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use Part 1 General Requirements UL Std No 61010 1 2 Edition Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use Part 1 General Requirements UL 1004 1994 Electric Motors EN 13463 1 2001 on Electrical Equipment for Potentially Explosive Atmospheres 1 3 phase pumps only phase pumps only The pumps comply with EN 61010 1 when installed in accordance with the instruction manual supplied with the pumps phase pumps only Canadian Standards Authority and Underwriters Laboratory following the provisions of 2006 95 EC Low Voltage Directive 2004 108 EC Electromagnetic Compatibility Directive 98 37 EC Machinery Safety Directive 94 9 EC Equipment for use in Potentially Explosive Atmospheres ATEX Directive 9 Il 3 G c IIB T4 INTERNAL ATMOSPHERES ONLY Tech File Ref MPTR 0271 Agla E eY 18 09 08 Crawley Dr S E Ormrod CTO Date and Place This product has been manufactured under a quality system registered to ISO9001 P200 00 540 Issue E ITR 20439 pwarps Contents Section 1 PR CTA MER E TO TTE EO 1 1 Scope arid definitioris s s cese eire erp RO
20. KOH Re Buc e EE iE pt UR a eu Rr NEA 45 7 4 5 Inlet chemical trap iuuentus eeepc dte enacted Ru e arem erae tiir ru etr e ns 46 7 4 6 n2 t UTEM 46 7 4 7 eire L 46 7 4 8 Gas ballasE xadapEOE e us e Eure bre ELS e RUE pta OUI es canes Fu BUE EE uU T PbU HU DE LU rx EK eS 46 7 4 9 Gravity icb su T ionin enana ATA A E AEAEE AEA O INE 46 7 4 10 Oil drain CXESNSION is2itesdsededsaswdis cas MERE E ERDKRERUPRDER IR EE E E AO E E E ENERGA 46 7 4 11 Exhaust nozzi kit e 46 7 4 12 ML OE CMESEDIS ICT EE 46 7 4 13 Solenoid operated gas ballast valve ssssssssssssee mm mmm emen nnns 46 7 4 14 Solenoid operated pipeline valve oo HH HI eemems e ehe ene nnns 46 8 PFPESpr bparegd RY UGS Leia ces pere PRE FPES CEPR na eee ee 49 8 1 S MMATY TTE 49 8 2 relin tavesahiaadacs tadhaahieresges etka ELEOTRIS EEDE meee ee 49 8 3 OPETAtON soane yigna aa ziv edis enge n Debes AAi nins uui tba o ERE KE ATEA Piae KENTAR taxdided da 49 8 4 Maintenance E TEEEITTLIDLLIMMRUMU ULUSM 49 9 Bares E RV DUMPS S56 5 octets e RIS Fea eee RE EP eet een oreo AP RM MEER 51 9 1 P repp On 51 9 2 Fitthe motor to the bareshaft PUMP eise ce teta PERO E DDR MINE SIE pee E tala ete 51 For return of equipment complete the HS Forms at the end of this manual Illustrations Figure Page 1 B3 AUT canal tab indesabes acca igaciies i aenned
21. S 5 8 Clean the motor fan cover and enclosure If the motor fan cover and enclosure are not kept clean the air flow over the motor can be restricted and the pump may overheat 1 Switch off the pump and disconnect it from the electrical supply 2 Use a dry cloth and a soft brush to remove dirt and deposits from the fan cover and enclosure 5 9 Clean and overhaul the pump Clean and overhaul the pump as described in the instructions supplied with the clean and overhaul kit see Section 7 3 5 10 Fit new blades Fit new blades to the pump as described in the instructions supplied with the blade kit see Section 7 3 5 11 Test the motor condition Test the earth ground continuity and the insulation resistance of the pump motor in accordance with local regulations for periodic testing of electrical equipment The motor of single phase RV pumps complies with IEC 1010 1 We recommend that to maintain compliance with IEC 1010 1 the earth continuity is less than 0 1 O and the insulation resistance is greater than 10 MO If the motor fails these tests you must replace the motor 5 12 Fault finding 5 12 1 Introduction A list of fault conditions and their possible causes is provided in the following sections to assist you in fault finding If you are unable to rectify a fault when you use this guide call your nearest Edwards Service Centre for help 5 12 2 The pump has failed to start e The electrical supply fuse has failed e The
22. S1362 To prevent automatic restart of the pump motor if the electrical supply is restored after an electrical supply failure connect the pump to the electrical supply through suitable control equipment which must be reset manually after an electrical supply failure Make the electrical connections to the pump motor with an IEC 320 cable socket cold condition type that satisfies your local electrical standards To maintain compliance with CSA standards you must only use CSA UL certified electrical supply cables and connectors Cables must be SJT rated minimum and must incorporate an earth conductor The conductors in the cable must be a minimum of 18 AWG The temperature rating of the cable must be 70 C or greater Edwards Limited 2007 All rights reserved Page 19 Edwards and the Edwards logo are trade marks of Edwards Limited uonej ieasul uonejieasul A652 01 880 Issue S Ep WARDS If your RV pump was supplied with an electrical supply cable the cable will be fitted with a moulded IEC connector at one end The other end of the cable may be fitted with a plug suitable for your local electrical supply A cable without a plug will contain wires colour coded as follows Colour Use Green and yellow Earth ground Blue Neutral Brown Live 1 Ensure that the on off switch on the motor Figure 4 item 5 is in the off position 2 Insert the moulded IEC connector at the end of the cable into the electrical inlet connecto
23. ae ananegrasanenenee iene O O 3 2 Performance characteristics in High Vacuum mode pumping speed against inlet pressure 11 3 DIMENSIONS mm xsveiisasectisasaw sk Ea ubera Yee crea Re Y PUPA REEF ErRR UC EO VERE ba Rando eRe 13 4 Motor voltage configuration single phase pumps isssssss Meme nne 21 5 Three phase electrical connections 200 230 V oo e emen nnn 23 6 Three phase electrical connections 380 460 V oo meme 23 7 Inlet filter assembly 5 escritura eteted tres eidem e emet SC wes DEC pe hore eed rd ted 35 8 Gas ballast control assembly ssssssssssssssse eme e ehh hehe e nennen nnn 36 9 nen cor EE 37 10 ACCOSSOM OS 2 eM CM mE DH 47 11 Fit the motor to a bareshaft pump ssssssssssssseee meme nemen nemen se s nn nennen 52 Edwards Limited 2007 All rights reserved Page iii Edwards and the Edwards logo are trade marks of Edwards Limited S U9 U0 S U9 U0 A652 01 880 Issue S Ep WARDS Tables Table Page 1 Operating and storage conditions spse irssi enpa eee nemen eme sehn enne nnns 7 2 General performance data u 2 cs incer be ier ete imk hne i uter EROR Ri nba Rar ER oben Ex DoD Vx rbd CRUDO 7 3 Performance data High Vacuum mode neret I ERRHOR EX TODA EA DXR REPRINT ERIREE IPIPrERUUE 8 4 Performance data High Throughput mode sssssssssssse mm emm nene enne nnn 9 5 Performance Characteristics res ayssins ninan oin EE rer nr E ERU NU Gur PRI bu RR T aes 10 6 We
24. al pressure Ultimate total pressure m o e I y 3x 102 3 6x10 RV3 5 6 RV3 5 1 2x101 RV3 1 2 x 10 RV3 4x10 RV8 12 4 RV8 12 1 0x 101 RV5 1 0 x 10 RV5 6 x 10 RV8 12 6 0 RV8 12 Use for continuous inlet pressure Maximum water vapour pumping rate Maximum water vapour pumping rate un 1 phasepumps 3 phasepumps l phasepumps S phase pumps 1 phase pum 3 phase pumps 1 phase pumps 3 phase pumps 50 ar 5 x 10 Pa P pumps P pump p pump P pump 0 06 kg ht 0 04 kg ht 0 22 kg h RV3 5 8 0 12 kg h RV3 5 0 29kgh RV12 0 20kgh RV8 0 25 kg h RV12 S 9n55 088 T0 ZS9V xxii ED WARDS A652 01 880 Issue S 2 2 2 Performance characteristics Note The performance characteristics described below are for use with hydrocarbon oil The positions of the mode selector and the gas ballast control define the performance characteristics of the pump These performance characteristics are listed fully in Tables 3 and 4 Table 5 gives the ultimate vacuum and maximum water vapour inlet pressure for each of the six possible combinations of control positions The curves 0 and Il in Figure 2 show the relationship between inlet pressure and pumping speed for High Vacuum mode Figure 2 Performance characteristics in High Vacuum mode pumping speed against inlet pressure 100 96 50 S 0 g 1x10 1x10 1x10 1x 10 1x10 1x 102 1x 10 mbar 2 5 1x10 4x 10 1x 10 1x
25. and the Edwards logo are trade marks of Edwards Limited A652 01 880 Issue S Ep WARDS This page has been intentionally left blank Page 42 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited ED WARDS A652 01 880 Issue S 7 Service and spares 7 1 Introduction Edwards products spares and accessories are available from Edwards companies in Belgium Brazil China France Germany Israel Italy Japan Korea Singapore United Kingdom U S A and a world wide network of distributors The majority of these centres employ Service Engineers who have undergone comprehensive Edwards training courses Order spare parts and accessories from your nearest Edwards company or distributor When you order state for each part required e Model and Item Number of your equipment SoJeds pue 2N S e Serial number e ltem Number and description of part 7 2 Service Edwards products are supported by a world wide network of Edwards Service Centres Each Service Centre offers a wide range of options including equipment decontamination service exchange repair rebuild and testing to factory specifications Equipment which has been serviced repaired or rebuilt is returned with a full warranty Your local Service Centre can also provide Edwards engineers to support on site maintenance service or repair of your equipment For more information about service options contact your neares
26. ctor 5 Gas ballast control 12 On off switch t 6 Oil filler plug 13 Motor fan cover 7 NW25 outlet port 14 Correct direction of rotation RV3 and RV5 pumps only a lifting bracket is fitted to RV8 and RV12 pumps t Single phase pumps only Note Single phase RV3 RV5 pump shown Edwards Limited 2007 All rights reserved Page 3 Edwards and the Edwards logo are trade marks of Edwards Limited uorirjo2npoJ3u uorjonpoJ3u A652 01 880 Issue S Ep WARDS 1 3 Description The Edwards RV rotary vane pump is shown in Figure 1 Refer to Figure 1for item numbers in brackets in the following descriptions The RV pumps are two stage oil sealed sliding vane vacuum pumps The pump has NW25 inlet 4 and outlet 7 ports a gas ballast control 5 and a mode selector 11 When the pump is switched off an inlet valve seals the inlet and prevents the suck back of air and oil into the vacuum system The RV3 and RV5 pumps have a retractable lifting handle 3 The RV8 and the RV12 pumps are fitted with a lifting bracket for use with suitable lifting equipment An oil pump delivers pressurised oil to the vacuum pumping mechanism in the RV pump You can inspect the level and condition of the oil in the oil box through a sight glass 8 Two oil filler plugs 6 and an oil drain plug 9 are provided on the oil box The pump mechanism is driven directly by a single phase or three phase electric motor through a flexible motor coupling The
27. d A652 01 880 Issue S Ep WARDS This page has been intentionally left blank Page 50 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited ED WARDS A652 01 880 Issue S 9 Bareshaft RV pumps 9 1 Description Two types of bareshaft pump are available e To suit an IEC72 1 motor with an IMB14 FT85 face mounting and 14 mm diameter shaft e To suit a NEMA 56C motor with a 5 g inch diameter shaft The motor you will fit must have a power rating which is adequate for use with the RV pump refer to the pump electrical data section in the manual Note The performance data given in Section 2 applies to pumps supplied with a motor fitted as standard On a bareshaft pump the performance may be affected by the type of motor fitted 9 2 Fit the motor to the bareshaft pump 1 Refer to Figure 11 Use the four screws 455 to fit the motor support 453 to the motor 2 Use the two screws 422 to fit the lifting plate 413 then fit the lifting plate cover 414 3 Fit the fan ducting sheet 409 4 Ensure that key B is in place on the motor shaft then push the fan 410 onto the shaft Ensure that e The end of the shaft aligns with the bottom of the cavity in the fan e The back of the fan is 2 5 mm from the ducting sheet 5 Secure the fan to the shaft with the screw 454 tighten the screw to a torque between 7 and 9 Nm 6 Use a suitable lubricant on the coupling element
28. d gases do not enter their flammable ranges When flammable or pyrophoric materials are present within the equipment you must e Not allow air to enter the equipment e Ensure the system is leak tight e Useaninert gas purge for example a nitrogen purge to dilute any flammable gases or vapours entering the pump inlet and or use an inert gas purge to reduce the concentration of flammable gases or vapours in the pump and in the exhaust pipeline to less than one quarter of the gases published lower explosive limits LEL e Usean inert gas purge into the pump gas ballast connection to prevent the condensation of flammable vapours within the pump mechanism and exhaust pipeline Edwards Limited 2007 All rights reserved Page 27 Edwards and the Edwards logo are trade marks of Edwards Limited uorneaedo A652 01 880 Issue S Ep WARDS A 21 3 Gas purges WARNING If you use inert gas purges to dilute dangerous gases to a safe level ensure that the RV3 RV5 RV8 and RV12 rotary vane pump is shut down if an inert gas supply fails WARNING You must obey the instructions and take note of the precautions given below to ensure that pumped gases do not enter their flammable ranges Switch on the inert gas purge to remove air from the pump and the exhaust pipeline before the process starts Switch off the purge flow at the end of the process only after any remaining flammable gases or vapours have been purged from the pump and exhaus
29. e pump refer to Section 1 4 2 Use of gas ballast will prevent the condensation of vapours in the pump the condensates would contaminate the oil You can turn the gas ballast control to select one of three positions as follows To select gas ballast closed turn the control to position 0 Use this setting e toachieve ultimate vacuum e to pump dry gases To select low flow gas ballast turn the control to position I Use this setting e to pump low concentrations of condensable vapours e todecontaminate the oil To select high flow gas ballast turn the control to position II Use this setting e topump high concentrations of condensable vapours When you use either low flow or high flow gas ballast there will be an increased rate of oil loss from the pump Where possible we recommend that you select low flow gas ballast position I rather than high flow gas ballast position Il to minimise the loss of oil Edwards Limited 2007 All rights reserved Page 29 Edwards and the Edwards logo are trade marks of Edwards Limited uorneaedo A652 01 880 Issue S Ep WARDS 4 3 Start up procedure WARNING Ensure that your system design does not allow the exhaust pipeline to be blocked If the oil is contaminated or if the pump temperature is below 12 C or if the electrical supply voltage is more than 10 below the lowest voltage specified on the voltage indicator Figure 4 item 4 the pump may operate a
30. e low vacuum stage only In this mode of operation the pump provides the best possible ultimate vacuum With the mode selector set to High Throughput mode 6 pressurised oil is fed to the high vacuum and low vacuum stages In this mode of operation the pump can sustain long term high inlet pressures Page 4 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited ED WARDS A652 01 880 Issue S 1 4 2 Gas ballast control To pump high vapour loads gas ballast is delivered into the pump to prevent condensation of the vapour carried by the pumped gases Air can be introduced to the low vacuum stage through the gas ballast valve Alternatively an inert gas such as nitrogen can be supplied through a suitable external valve The gas ballast control has three positions e Closed position 0 e Low flow position I e High flow position Il 1 5 Construction The pump shafts and rotors are made of high grade cast iron The pump body and oil box are made from cast aluminium All surfaces of the pump which are exposed to the pumped gases are free from copper zinc and cadmium Other materials of construction include fluorocarbon elastomer nitrile silicon chemically resistant polymers nickel and stainless steel Edwards Limited 2007 All rights reserved Page 5 Edwards and the Edwards logo are trade marks of Edwards Limited uomonpoJa1ul A652 01 880 Issue S Ep
31. ection 7 4 8 Edwards Limited 2007 All rights reserved Page 17 Edwards and the Edwards logo are trade marks of Edwards Limited uonejieasul uonejjeasul A652 01 880 Issue S Ep WARDS 3 3 Unpack and inspect 1 Remove all packing materials and remove the pump from its packing box 2 Remove the protective covers from the inlet and outlet ports and inspect the pump If the pump is damaged notify your supplier and the carrier in writing within three days state the Item Number of the pump together with your order number and your supplier s invoice number Retain all the packing materials for inspection Do not use the pump if it is damaged If the pump is not to be used immediately replace the protective covers Store the pump in suitable conditions as described in Section 6 1 3 4 Locate the pump WARNING Use suitable lifting equipment to move the RV8 or RV12 pump The mass of the RV8 and RV12 pumps is approximately 26 kg The RV3 and RV5 pumps have a lifting handle which you can use to move the pump by hand If you wish to use mechanical lifting equipment do not attach the equipment to the handle for stability use slings around the motor and the pump body Do not lift the RV8 and RV12 pumps by hand attach your mechanical lifting equipment to the lifting bracket on the pump You do not need to use slings to move the RV8 and RV12 pumps Provide a firm level platform for the pump Locate the pump so that the oil leve
32. ectrical installation three phase pumps sss 3 8 1 Check and configure the motor cece eee cece cette e ee eee eee ees 3 8 2 Connect the pump to your electrical supply ceeeeee cette eee ee eee 3 8 3 Check the direction of rotation sss 3 9 Inlet and outlet connections sss 3 10 Leak test the system i iuis incessere ee E uaa a UE InE US teal Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited A652 01 880 Issue S Pagei Sjuo1u0 S U9 U0 A652 01 880 Issue S Ep WARDS 5 12 8 6 1 6 2 Page ii Opera ON eene a a r E E 27 ATEX directive Implications ssec exin rtp E A EE EE LESE EE 27 Midget EET 27 Flammable pyrophoric materials 2 55 52 prxter rotes uper EI DIEM RIF RA DD AR REPOS 27 Gas PUNGES ssceccsx entere EREREFRTERRIZAYEGSRRRDMERKREREDRRIAKRPNPIKRURRRERMERPERPERTERERM TAREA RUP PRRORIREXR RA 28 How to use the pump Controls s ecoeb icr corte ancients EE UR da vines bxc da A da br eee 28 TFaidgvis teurer PERPE I ETE a a E EEE a AAGE 28 Mode Selector E 29 Gas ballasECODEEOL 2 2 atttem tasted t ind he aA et n Seu p gir ura St ed Pants D Qon deb 29 Start up procede duxisse wv arhsicivic cutie nics ne desir a nde nh vente uon luae ne 30 To achieve ultimate vacuum 0 0 menn meme nemen nemen e ense e ese nee enn 30 To pump condensable vapours cesses cesse cea dee ani esee eme nee km e desees me nne
33. eflP B BPLUN REGRAS 39 The pump surface temperature is above 100 C oo Henne enne nennen 39 The vacuum is not fully maintained after the pump is switched Off sss 39 The pumping speed IS POOF iss ocio erbe oree ter enge Rte DEP RR P PUMP DEINDE RIDRO ceeded EDI KR RS URN 40 There is an external oil leak 1 icri tnonenad cups id cese ned arbori xdonerizbUupmb burla OTRE DETA 40 Storage and disposal NET RR RE UTI 41 Storage siz seas een i tx CEU RERO ERU FERDOQN EREBUNEER EA FERE E pERUR EU CEU MEE RUP CURBK ER ARE EDES 41 BELICE 41 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited ED WARDS A652 01 880 Issue S 7 Service and Gales PNE oO to I 43 7 1 IntrodUCcblOD xuxssexcentax eris ninni uer Rota UbOn e ebd xad una ai onde OUR Lu RU Y Fb T ER RT PERO RE RR TER 43 7 2 Jp 43 7 3 SDal 65 ceci UR EEUU VCDUDO RESUME REED ERO EE DO D ERE Rx EPRKEU ED RUE DLE RUE UUUPRURCUNFERN REPRE ES 43 7 4 ACCOSSOL GS coitum qus inten tatnaasian n untur Dunrsimbnutitaum ferant wean banana ORAE intent tutes etes UN DERE 45 7 4 1 INCFOGUCCION srrasor oniani nenni i n uiae a AE AE EEEE EE E TEEVEE TIE DEDI OEA 45 7 4 2 IMlEECOECH DOL soramesenaas uan aaria ENE E e E AE NE NEE E E AEN 45 7 4 3 l t SEP CTE e T M 45 7 4 4 Inlet desiccant Erap zacis aec emisit tete ntur RU b
34. eigen 1 2 ATEX directive implications isise errenneren 13 DESCrI PEON cm 1 4 Performance modes and controls cceceeeeeee eee ee eee ee eee e neta 1 4 1 uen E rrscodM 1 4 2 Gas ballast control ssssssssssseene emen 1 5 evuusese nee P 2 Technicakdata MENU DTP ETE 2 1 Operating and storage conditions sssssssssse 2 2 POTOPMANCE dene RE 2 2 1 er nct TT T A T 2 2 2 Performance characteristics sssssssssese ne 2 3 Mechanical data sssssssssssssseeene eene 2 4 Noise and vibration data csssssssssmmemne 2 5 Lubrication data six eiie Rav e tret bure PUDE X EAR REDUCE LEEREN 2 6 Electrical data single phase pumps ssssssss 2 7 Electrical data three phase pumps s sss 3 Di CI NENNT T T 3 1 Cir S 3 2 System design considerations sssssssss m 3 3 Unpack and INSPEC sciuseunocis see p tein etre sexos ber bir ex tpe Ux EU 3 4 Locate the pump iiis sedosve scia rer saves dikes eas XXE ER EXER CK TIMER 3 5 Fill the pump With dili cce eco tu eobt tet yr enhn bre ne eine ieianed vind 3 6 Fit the motor bareshaft pumps only sss 3 7 Electrical installation single phase pumps sssseeeee 3 7 1 Check and configure the motor sssessssm teeta ene 3 7 2 Connect the pump to your electrical supply c ec eeeeeee ee eee ee eee 3 1 3 Check the direction of rotation sss 3 8 El
35. eshaft pumps only If you have a bareshaft pump fit the motor to the pump now refer to Section 9 3 7 Electrical installation single phase pumps 3 7 1 Check and configure the motor CAUTION Ensure that the motor is correctly configured for your electrical supply If you operate the pump when the motor is not correctly configured for the electrical supply you will damage the motor Refer to Figure 4 for the item numbers in brackets Ensure that the voltage shown on the voltage indicator 4 in the motor cover corresponds with your electrical supply voltage If it does not you must change the configuration of the pump motor to match your electrical supply voltage use the procedure below 1 Undo the four screws remove the cover plate 1 and lift out the voltage indicator moulding 4 2 Press the voltage selector switch 3 to select the alternative position 3 Turn the voltage indicator moulding over so that the outer panel shows the required voltage Refit the moulding 4 Refit the cover plate and secure it with the four screws 3 7 2 Connect the pump to your electrical supply WARNING Ensure that the electrical installation of the RV pump conforms with your local and national safety requirements It must be connected to a suitably fused and protected electrical supply and a suitable earth ground point Notes In the UK if you use a 13 A plug it must comply with BS1363A and be fitted with a 13 A fuse which complies with B
36. gland Page 22 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited ED WARDS A652 01 880 Issue S Figure 5 Three phase electrical connections 200 230 V uonej ieasul A MES 3 L1 e n I oo l S Mu L3 f c 5 n I l I i dcs 0006 01 A Starter contactor 1 Links B Motor terminal box Figure 6 Three phase electrical connections 380 460 V p AG 2607 B A Starter contactor 1 Links B Motor terminal box Edwards Limited 2007 All rights reserved Page 23 Edwards and the Edwards logo are trade marks of Edwards Limited Uo 172 23SUI A652 01 880 Issue S Ep WARDS 3 8 3 Check the direction of rotation CAUTION Ensure that the pump motor rotates in the correct direction If it does not the pump and your vacuum system can become pressurised 1 Refer to Figure 1 Watch the motor cooling fan through the motor fan cover 13 2 Switch on the electrical supply to the motor for a few seconds 3 Check that the motor cooling fan rotates in the correct direction shown by the arrow on the motor mounting plate If the direction of rotation is incorrect e Switch off the electrical supply immediately e Isolate the pump from the electrical supply e Remove the terminal box cover and swap wires L1 and L3 see Figures 5 and 6 e Refit the cover to the terminal box 3 9 Inlet and outlet connections
37. he equipment has not been designed for use where there is an external potentially explosive atmosphere There is no potential source of ignition within the pump during normal operation but there may be potential sources of ignition under conditions of predicted and rare malfunction as defined in the Directive Accordingly although the pump is designed to pump flammable materials and mixtures operating procedures should ensure that under all normal and reasonably predicted conditions these materials and mixtures are not within explosive limits Category 3 is considered appropriate for the avoidance of ignition in the case of a rare malfunction which allows flammable materials or mixturesto pass through the pump while within their explosive limits e When flammable or pyrophoric materials are present within the equipment you must e Not allow air to enter the equipment e Ensure that the system is leak tight e For further information please contact Edwards refer to the Addresses page at the end of this manual for details of your nearest Edwards company Page 2 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited Ep WARDS A652 01 880 Issue S Figure 1 The RV pump 3 X l Electrical inlet connector 8 Oil level sight glass 2 Voltage indicator 9 Oil drain plug 3 Lifting handle 10 Rubber feet 4 off 4 NW25 inlet port 11 Mode sele
38. his equipment is designed to meet the requirements of Group II Category 3 equipment in accordance with Directive 94 9 EC of the European Parliament and the Council of 23rd March 1994 on the approximation of the laws of the Member States concerning equipment and protective systems intended for use in potentially explosive atmospheres The ATEX Directive The ATEX Category 3 applies in respect of potential ignition sources internal to the equipment An ATEX Category has not been assigned in respect of potential ignition sources on the outside of the equipment as the equipment has not been designed for use where there is an external potentially explosive atmosphere There is no potential source of ignition within the pump during normal operation but there may be potential sources of ignition under conditions of predicted and rare malfunction as defined in the Directive Accordingly although the pump is designed to pump flammable materials and mixtures operating procedures should ensure that under all normal and reasonably predicted conditions these materials and mixtures are not within explosive limits Category 3 is considered appropriate for the avoidance of ignition in the case of a rare malfunction which allows flammable materials or mixtures to pass through the pump while within their explosive limits 4 1 2 Flammable pyrophoric materials WARNING You must obey the instructions and take note of the precautions given below to ensure that pumpe
39. hpot The inlet catchpot traps any liquid droplets and prevents their entry into the pump 7 4 3 Inlet dust filter The inlet dust filter protects the pump against abrasive dust 7 4 4 Inlet desiccant trap Use a desiccant trap when you pump limited quantities of water vapour at high pumping speeds to a low vapour pressure Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited A441 10 000 A442 15 000 A445 10 000 A444 10 000 A133 05 000 A462 26 000 A462 29 000 A505 02 000 A505 01 000 A505 03 000 A505 09 000 A248 01 404 A500 06 930 A500 06 984 C413 01 000 C413 03 000 C413 02 000 C413 04 000 Page 45 SoJeds pue 92lAJoS SoJeds pue SDIAJOS A652 01 880 Issue S Ep WARDS 7 4 5 Inlet chemical trap The inlet chemical trap protects the pump against chemically active gases 7 4 6 Foreline trap Use a foreline trap on a clean pumping system to prevent back migration of pump oil vapour into your vacuum system 7 4 7 Outlet mist filter The outlet mist filter separates and traps oil droplets in the pump outlet to prevent oil mist discharge 7 4 8 Gas ballast adaptor Fit the gas ballast adaptor in place of the gas ballast control on the pump The adaptor allows you to fit a solenoid operated gas ballast valve or a controlled supply of inert gas to the pump 7 4 9 Gravity oil drain kit Fit the oil drain kit between the drain port of the outlet mist filter
40. include hydrofluoric acid if they are heated to 310 C and above The pump may have overheated if it was misused if it malfunctioned or if it was in a fire Material Safety Data Sheets for fluorinated materials used in the pump are available on request contact your supplier or Edwards e f necessary maintain the motor as specified in the manufacturers information supplied with the motor Edwards Limited 2007 All rights reserved Page 33 Edwards and the Edwards logo are trade marks of Edwards Limited DOUCUDIUIE A652 01 880 Issue S Ep WARDS 5 2 Maintenance plan The plan shown in Table 12 details the routine maintenance operations necessary to maintain RV pumps in normal use Instructions for each operation are given in the section shown More frequent maintenance may be required if the pump is used to pump corrosive or abrasive gases and vapours such as solvents organic substances and acids in these circumstances we recommend that you replace the pump seals every year refer to Section 7 3 for details of available spares If necessary adjust the maintenance plan according to your experience When you maintain the RV pump use Edwards spares and maintenance kits these contain all of the components necessary to complete maintenance operations successfully The Item Numbers of the spares and kits are given in Section 7 3 Table 12 Maintenance plan Operation Frequency Refer to Section Check the oil level Monthly 5 3
41. l sight glass is visible and the oil filler plug oil drain plug mode selector and gas ballast control are accessible If your pump will be located inside an enclosure make sure that there is adequate ventilation at both ends of the pump so that the ambient temperature around the pump does not exceed 40 C There must be a minimum space of 25 mm between the pump and the enclosure walls 3 5 Fill the pump with oil WARNING You must not use a hydrocarbon prepared pump to process oxygen in concentrations greater than 25 in volume If you do there is a risk of fire or explosion in the oil box of the pump PFPE prepared pumps are available refer to Section 8 Fill the pump with oil as described below Refer to Section 2 5 for the recommended oil Refer to Figure 1 for the item numbers in brackets 1 Remove one of the oil filler plugs 6 2 Pour oil into the pump until the oil level just reaches the MAX mark on the bezel at the top of the sight glass 8 If the oil level goes above the MAX mark remove the drain plug 9 and drain the excess oil from the pump 3 After a few minutes recheck the oil level If the oil level is now below the MAX mark pour more oil into the pump 4 Refit the oil filler plug Tighten the plug firmly by hand Do not overtighten Page 18 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited ED WARDS A652 01 880 Issue S 3 6 Fit the motor bar
42. lectrical supply failure To maintain compliance with CSA Canadian Standards Association standards you must incorporate a switch or circuit breaker in the pump electrical supply The switch or circuit breaker must be close to the pump and easily accessible and must be clearly marked to identify that it is the electrical supply disconnection device for the pump We recommend that you connect the electrical supply to the motor through a starter or circuit breaker which has thermal over current protection which can be adjusted to suit the full load current ratings shown in Table 11 The fuse ratings in Table 11 are provided for guidance only The supplier of your thermal over current protection device may specify different values to ensure correct operation of the fuse and the over current protection device Ensure that the fuse you use is suitable for the starting currents given in Table 11 1 Pass the electrical supply cable through the cable gland The diameter of the electrical supply cable should be in the range 7 to 11 mm 2 Use insulated crimped connectors to connect the wires in the cable to the terminals U1 V1 and W1 and Earth ground in the terminal box as shown in Figures 5 and 6 You must tighten the earth ground terminal connection to a torque of 2 13 to 2 87 Nm 3 Ensure that the cover gasket is correctly positioned then refit the cover to the terminal box and secure with the screws Tighten the strain relief nut on the cable
43. lure to achieve the specified performance note however that the most common causes are e Your pressure measurement technique or gauge head is unsuitable or the gauge head is faulty e You have used an oil other than the recommended oil and the vapour pressure of the oil is higher than the specified ultimate vacuum of the pump Use the following procedure to achieve ultimate vacuum 1 Isolate the RV pump from your vacuum system 2 Turn the mode selector to select High Throughput mode 6 set the gas ballast control to low flow position I and operate the pump for at least 1 hour or overnight to thoroughly purge the oil of contaminants 3 Turn the mode selector to select High Vacuum mode and close the gas ballast control that is set it to position 0 Open the vacuum system isolation valve and pump down to ultimate vacuum Page 30 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited ED WARDS A652 01 880 Issue S 4 5 To pump condensable vapours Use gas ballast gas ballast control in position I or Il when there is a high proportion of condensable vapours in the process gases 1 Close the vacuum system isolation valve uorneaedo 2 Turn the mode selector fully clockwise to select High Vacuum mode 6 or fully anticlockwise to select High Throughput mode 6 as required refer to Section 4 2 2 3 Turn the gas ballast control to high fl
44. mited UO 172 2ISUI A652 01 880 Issue S Ep WARDS 3 8 Electrical installation three phase pumps 3 8 1 Check and configure the motor CAUTION Ensure that the motor is correctly configured for your electrical supply If you operate the pump when the motor is not correctly configured for the electrical supply you will damage the motor 1 Remove the screws which secure the cover of the motor terminal box Remove the cover 2 Remove the cable gland from the inside of the terminal box and fit the cable gland to the cable leadthrough hole in the side of the terminal box 3 Ensure that the motor is correctly configured for your electrical supply If necessary reconfigure the links Figures 5 and 6 item 1 to suit your electrical supply e For 200 230 V electrical supplies the links must be configured as shown in Figure 5 e For 380 460 V electrical supplies the links must be configured as shown in Figure 6 3 8 2 Connect the pump to your electrical supply WARNING Ensure that the electrical installation of the RV pump conforms with your local and national safety requirements It must be connected to a suitably fused and protected electrical supply and a suitable earth ground point Notes To prevent automatic restart of the pump motor if the electrical supply is restored after an electrical supply failure connect the pump to the electrical supply through suitable control equipment which must be reset manually after an e
45. n you start a cold pump the motor will draw the start up current shown in Tables 9 and 10 for up to several seconds so you must use a slow blow fuse to prevent unnecessary fuse failure during pump start up Within five minutes as the oil in the pump warms up the current drawn will slowly reduce to the full load current specified in Tables 9 and 10 Table 9 Electrical data single phase pumps with Item Numbers 903 or 906 Nominal Full load Start up Maximum Frequency Hz Pump supply current current fuse rating V A A A RV3 and RV5 220 240 50 2 4 15 6 5 230 240 60 2 2 15 2 5 110 50 4 6 29 4 10 115 120 60 4 4 31 5 RV8 and RV12 220 240 50 4 0 18 0 230 240 60 3 6 18 0 110 50 7 8 34 0 115 120 60 7 2 34 0 Table 10 Electrical data single phase pumps with Item Numbers 904 Nominal Franc Full load Start up Maximum Pump supply q y current current fuse rating H V ve A A A RV3 and RV5 200 50 2 8 19 4 5 200 210 60 2 4 19 5 5 100 50 5 4 37 0 10 100 105 60 4 6 39 0 RV8 and RV12 200 50 3 9 21 0 200 210 60 3 8 20 6 100 50 7 6 40 0 100 105 60 7 6 41 5 Note The fuse type chosen should be either a time delay type CC or a type M or in the UK they should be to BS 88 Page 14 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited ED WARDS A652 01 880 Issue S 2 7 Electrical data three phase pumps The dual voltage dual frequency m
46. nd filter assembly 1 Do not allow the O ring to come into contact with the cleaning solution 3 Wash the centring ring and filter assembly in a suitable cleaning solution and allow it to dry 4 If necessary wipe the O ring with a clean dry lint free cloth 5 Refit the centring ring and filter assembly and the O ring to the inlet port Refit your vacuum system to the pump inlet port Figure 7 Inlet filter assembly l Centring ring and filter assembly 2 O ring 3 Inlet port B lt Edwards Limited 2007 All rights reserved Page 35 Edwards and the Edwards logo are trade marks of Edwards Limited DuLeu JUIeN o2ueuo1uleJ A652 01 880 Issue S Ep WARDS 5 6 Inspect and clean the gas ballast control Note The gas ballast filter element Figure 8 item 7 is retained in its seating with adhesive do not try to remove it 1 Refer to Figure 8 Turn the gas ballast control 1 to the high flow position position II 2 Push the control down against the compression spring 6 as far as it will go then turn the control anticlockwise slightly to release the bayonet lugs 5 and remove the control 3 If necessary wipe the control with a clean dry lint free cloth and check that the air hole 3 is not blocked 4 Refit the control into the gas ballast inlet and ensure that the compression spring locates correctly between the bayonet lugs 5 Push the control down as far as it will go and then turn
47. otor is designed for a three phase electrical supply and is suitable for 50 Hz or 60 Hz operation The motor can be manually switched between nominal supply voltages of 220 240 V and 380 460 V refer to Section 3 8 1 Pumps are supplied preset for nominal 380 460 V electrical supplies When you start a cold pump the motor will draw the start up current shown in Table 11 for up to 0 5 seconds The current will then reduce quickly as the motor reaches rated rotational speed Within 5 minutes as the oil and pump warms up the current drawn will slowly reduce to a maximum of the full load current specified in Table 11 When you start a warm pump the motor will draw the start up current shown in Table 11 for up to 0 5 seconds The current drawn will then immediately fall to a maximum of the full load current Electrical short circuit and ground fault protection of the pump will be provided by fitting Class CC fuses of the values shown in Table 11 at the point of connection to the supply If these are not available in your country of use Type aM European fuses of the same rating can also be used Table 11 Electrical data three phase pumps with Item Numbers 905 Nominal Full load Start up Maximum Frequency Hz Pump supply current current fuse rating V A A A RV3 and RV5 220 240 50 17 10 2 2 5 200 230 60 17 10 2 2 5 380 415 50 1 0 5 7 2 5 460 60 1 0 7 0 2 5 RV8 and RV12 220 240 50 2 5 14 0 4 0 200 230 60 2 9 12 0 4 0 380 415
48. ow position II and operate the pump for 30 minutes to warm the oil this will help to prevent vapour condensation in the pump 4 Set the gas ballast control to the position required for your application refer to Section 4 2 3 and the data in Tables 3 and 4 5 Open the vacuum system isolation valve After you have pumped condensable vapours you can if necessary decontaminate the oil use the procedure in Section 4 6 4 6 To decontaminate the oil The oil in the pump should be clear if the oil is cloudy or discoloured it is contaminated with process vapours 1 Look at the condition of the oil in the oil level sight glass Figure 1 item 8 If the oil is cloudy or discoloured continue with the procedure at Step 2 below 2 Close the vacuum system isolation valve 3 Turn the mode selector fully anticlockwise to select High Throughput mode 6 Set the gas ballast control to low flow position I 4 Operate the pump until the oil is clear 4 7 Unattended operation The RV pump is designed for unattended operation under the normal operating conditions specified in Section 2 1 However we recommend that you check the pump at regular intervals of not more than 14 days or more frequently if you pump high volumes of gas or vapour On single phase pumps the motor is protected by an overload device which isolates the pump from the electrical supply when critical temperature or current levels are exceeded The overload device rese
49. perate the pump for approximately ten minutes to warm the oil then switch off the pump this lowers the viscosity of the oil and enables it to be drained from the pump more easily n Isolate the pump from your electrical supply and disconnect it from your vacuum system 3 Remove one of the oil filler plugs 6 pA Place a suitable block under the pump motor to tilt the pump and place a suitable container under the drain plug 9 Remove the drain plug and allow the oil to drain into the container un If the oil drained from the pump is contaminated pour clean oil into the filler hole and allow it to drain out of the pump Repeat this step until the oil reservoir in the pump has been thoroughly cleaned D Refit the drain plug remove the block and reconnect the pump to your vacuum system N Fill a suitable container with clean oil and pour the oil into the filler hole until the oil level reaches the MAX level mark on the bezel of the sight glass 8 8 Allow afew minutes for the oil to drain into the pump If necessary add more oil Refit the filler plug 9 9 Inspect and clean the inlet filter 1 Refer to Figure 7 Disconnect your vacuum system from the pump inlet port 3 and remove the centring ring and filter assembly 1 and the O ring 2 Inspect the centring ring and the O ring If they are clean continue at Step 5 If they are not clean continue at Step 2 2 Remove the O ring 2 from the centring ring a
50. r on the motor Figure 4 item 2 3 Connect the plug if fitted at the other end of the cable to your electrical supply If a plug is not fitted connect the wires in the cable to the correct terminals of your electrical supply 3 7 3 Check the direction of rotation CAUTION Ensure that the pump motor rotates in the correct direction If it does not the pump and your vacuum system can become pressurised Refer to Figure 1 for the item numbers in brackets 1 Watch the motor cooling fan through the motor fan cover 13 2 Use the on off switch 12 to switch on the electrical supply to the motor for a few seconds 3 Check that the motor cooling fan rotates in the correct direction 14 shown by the arrow on the motor fan cover If the direction of rotation is incorrect switch off the electrical supply immediately and contact your supplier or Edwards for advice Page 20 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited ED WARDS A652 01 880 Issue S Figure 4 Motor voltage configuration single phase pumps uonej ieasul AG 0160 D A Top view of motor B Interview of top of motor Cover plate Electrical inlet connector Voltage selector switch Voltage indicator On off switch Position 0 off Position I on Shor UL ESO NS E Edwards Limited 2007 All rights reserved Page 21 Edwards and the Edwards logo are trade marks of Edwards Li
51. rating Page 28 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited ED WARDS A652 01 880 Issue S 4 2 2 Mode selector Note The pump is supplied with High Vacuum mode 6 selected If High Vacuum mode is selected and you cannot turn the mode selector by hand to select the High Throughput mode use a suitable tool fitted to the flat part of the mode selector to turn the selector The mode selector controls the flow of pressurised oil to the high vacuum stage of the pump see Section 1 4 1 You can turn the mode selector to one of two positions as follows uorneaedo To select the High Vacuum mode 6 turn the mode selector fully clockwise and tighten by hand When High Vacuum mode is selected there is a gap of approximately 3 mm between the mode selector and the inner face of the side panel of the pump Use this mode e toachieve ultimate vacuum e topump clean gases e topump clean condensable vapours To select the High Throughput mode 6 turn the mode selector fully anticlockwise until it touches the inner face of the side panel of the pump then gently tighten by hand Use this mode e for long term operation with high gas throughput that is inlet pressure 50 mbar e to pump dirty condensable vapours e todecontaminate the oil 4 2 3 Gas ballast control Use the gas ballast control to change the amount of air or inert gas introduced into the low vacuum stage of th
52. ration WARNING PFPE prepared RV pumps are suitable for pumping high concentrations of oxygen but we recommend that you do not use a PFPE prepared RV pump for the pumping of hazardous materials Operation of a PFPE prepared RV pump is as specified in Section 4 but take note of the warning above 8 4 Maintenance WARNING Obey the safety instructions given below and take note of appropriate precautions If you do not you can cause injury to people e Take additional care if you suspect that the pump and hence the PFPE oil has overheated e Do not touch or inhale the thermal breakdown products of PFPE oil which may be present if the pump has been heated to 260 C and above PFPE oils are safe in normal use but can decompose into very dangerous substances if they are heated to 260 C and above The pump may have overheated if it was misused if it malfunctioned or if it was in a fire Material Safety Data Sheets for PFPE oils used in the pump are available on request contact your supplier or Edwards Fomblin oil has different properties from other pump oils therefore e If you fill your PFPE prepared RV pump with Fomblin oil we recommend that you regularly check for oil leaks particularly around the shaft seals e f you detect an oil leak contact your supplier or Edwards for advice Edwards Limited 2007 All rights reserved Page 49 Edwards and the Edwards logo are trade marks of Edwards Limited sduund AY pe4edoud 3d J
53. rne BopuceT EITHER 12 7 Noise and vibration data iere erneut n E aE E ciingiveles Males a ale eie 12 8 Lubrication ge zou EDT 12 9 Electrical data single phase pumps with Item Numbers 903 or 906 ssssssssssemm 14 10 Electrical data single phase pumps with Item Numbers 904 isses 14 11 Electrical data three phase pumps with Item Numbers 905 csssssssse ne 15 12 Maintenance DIAN zc titer det oes itp bn o menda arbi bc Re DUE LEO EUM E EUR d nud dnd 34 13 Spares and maintenance Kits i siiis secet sede va ipie adeb RR ERES Ea EAEE E ERG KR ERE KR Eee e ER GER ed 44 14 Accessory Item N rmbers si ioc Sue pte ERU E VM MUb MD IM biPe PEE CU RH ME LIED 45 Associated publications Publication title Publication number Vacuum pump and vacuum system safety P300 20 000 Trademark credits Fomblin is a registered trademark of Ausimont SpA Page iv Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited ED WARDS A652 01 880 Issue S 1 Introduction 1 1 Scope and definitions This manual provides installation operation and maintenance instructions for the Edwards RV3 RV5 RV8 and RV12 Rotary Vane Pumps You must use your pump as specified in this manual Read this manual before you install and operate your pump Important safety information is highlighted as WARNING and CAUTION instructions you must obey these instructions The use of WARNINGS and CAUTIONS
54. s A652 01 880 Issue S 1 Inlet catchpot 8 Outlet mist filter 2 Inlet dust filter 9 Gas ballast adaptor 3 Inlet desiccant trap 10 Gravity oil drain kit 4 Inlet chemical trap 11 Vibration isolators 5 Solenoid operated gas ballast valve 12 Oil drain extension 6 Foreline trap 7 Solenoid operated pipeline valve Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited AG 0158 B Page 47 SoJeds pue 922lAJoS A652 01 880 Issue S Ep WARDS This page has been intentionally left blank Page 48 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited ED WARDS A652 01 880 Issue S 8 PFPE prepared RV pumps 8 1 Summary If you have ordered a PFPE prepared RV pump the pump will be supplied prepared for use with Edwards PFPE mechanical pump oils such as Fomblin YVAC 06 6 and Krytox 1506 PFPE prepared RV pumps are suitable for pumping high concentrations of oxygen We recommend that you refer to Edwards publication P300 20 000 Vacuum pump and Vacuum System Safety before you install and use a PFPE prepared RV pump 8 2 Installation CAUTION Never use hydrocarbon lubricants in a PFPE prepared pump When you fill the RV pump with oil as described in Section 3 5 you must use a suitable Edwards PFPE oil You must not use a hydrocarbon oil 8 3 Ope
55. sed position O Ultimate total pressure Gas ballast control low flow position I Ultimate total pressure Gas ballast flow Maximum water vapour pumping rate 0 06 Maximum water vapour inlet pressure 27 2 7 x 10 Gas ballast control high flow position II Ultimate total pressure Gas ballast flow Maximum water vapour pumping rate Maximum water vapour inlet pressure 0 04 18 1 8 x 10 0 06 16 1 6 x 10 D 0 04 0 06 0 04 11 7 5 11x10 7x10 5x10 6x 107 16 0 29 0 25 32 28 3 2x 10 2 8 x 10 S 9n55 088 T0 ZS9V ejep jediuude L peiiur spJewp3 JO seu apes eJe ooj spJeMp3 ay pue spJewp3 pansasa SIYBU Iv 002 paiiur spewp3 O OL ed Table 5 Performance characteristics MODE GAS BALLAST CONTROL SELECTOR POSITION Closed position 0 Low flow position I High flow position Il High Vacuum mode Ultimate total pressure Ultimate total pressure Ultimate total pressure mmu P m e 1l e I 1 2x10 2x10 3x 107 3 12x10 RV3 1 2 x 10 RV3 10x10 RV5 1 0 x 10 RV5 6 x 10 RV8 12 6 0 RV8 12 Use for the best Maximum water vapour pumping rate Maximum water vapour pumping rate ultimate pressure 1 phase pumps 3 phase pumps 1 phase pumps 3 phase pumps 0 06 kg ht 0 04 kg ht 0 22 kg hr RV3 5 8 0 12 kg hr RV3 5 0 29kgh RV12 0 20kgh RV8 0 25 kg h RV12 High Throughput mode Ultimate total pressure Ultimate tot
56. t Service Centre or other Edwards company 7 3 Spares See Table 13 for the spares and maintenance kits available for the RV pumps Edwards Limited 2007 All rights reserved Page 43 Edwards and the Edwards logo are trade marks of Edwards Limited SoJeds pue SDIAJOS A652 01 880 Issue S pb WARDS Table 13 Spares and maintenance kits Ultragrade 19 oil 1 litre Ultragrade 19 oil 4 litres Fomblin 06 6 oil 1 kg Fomblin 06 6 oil 5 kg Clean and overhaul kit Standard RV3 Blade kit RV5 Blade kit RV8 Blade kit RV12 Blade kit RV3 Cartridge Kit RV5 Cartridge Kit RV8 Cartridge Kit RV12 Cartridge Kit Inlet valve kit Motor Starting Relay Kit Outer Shaft Seal Kit Rotor Sleeve Kit RV3 RV5 Motor Kit Europe USA 50 60 Hz 250 300 W 1 phase 110 120 220 240 V RV8 RV12 Motor Kit Europe USA 50 60 Hz 450 550 W 1 phase 110 120 220 240 V RV3 RV5 Motor Kit J apan 50 60 Hz 250 300 W 1 phase 100 200 V RV8 RV12 Motor Kit J apan 50 60 Hz 450 550 W 1 phase 100 200 V RV3 RV5 Motor Kit Europe USA J apan 50 60 Hz 250 300 W 3 phase 200 230 380 460 V RV8 RV12 Motor Kit Europe USA J apan 50 60 Hz 450 550 W 3 phase 200 230 380 460 V Clean and Overhaul Kit Nitrile Page 44 Item Numbers Hydrocarbon prepared pumps H110 25 015 H110 25 013 A652 01 131 A652 01 130 A653 01 130 A654 01 130 A655 01 130 A652 01 032 A653 01 032 A654 01 032 A655 01 032 A652
57. t a reduced speed for a few minutes On single phase pumps if the pump continues to operate at reduced speed the motor thermal overload device will open and stop the pump When the motor has cooled the thermal overload device will reset automatically and the pump will restart 1 Check that the pump oil level is between the MAX and MIN marks on the bezel of the oil level sight glass if it is not refer to Section 5 3 2 Turn the mode selector fully clockwise to select High Vacuum mode 6 or fully anticlockwise to select High Throughput mode 6 as required refer to Section 4 2 2 3 Turn the gas ballast control to position 0 I or Il as required refer to Section 4 2 3 4 Switch on the electrical supply to the pump on single phase pumps use the on off switch 5 If you want to achieve ultimate vacuum to pump condensable vapours or to decontaminate the pump oil refer to the procedures in Sections 4 4 4 5 and 4 6 respectively Otherwise open the vacuum system isolation valve 4 4 To achieve ultimate vacuum If the pump does not achieve the performance specified in Section 2 2 make sure that this is not due to your system design before you contact your supplier or Edwards for advice In particular the vapour pressure of all materials used in your vacuum system including pump oil see below must be much lower than the specified ultimate vacuum of the pump Refer to Section 5 12 3 for a list of possible causes for fai
58. t pipeline If liquids that produce flammable vapours could be present in the pump foreline then the inert gas purge to the RV3 RV5 RV8 and RV12 rotary vane pump should be left on all the time this liquid is present Flammable liquids could be present in the foreline as a result of condensation or may be carried over from the process When you calculate the flow rate of inert gas required for dilution consider the maximum flow rate for the flammable gases vapours that could occur For example if a mass flow controller is used to supply flammable gases to the process you should assume a flow rate for flammable gases that could arise if the mass flow controller isfully open Continually measure the inert gas purge flow rate if the flow rate falls below that required you must stop the flow of flammable gases or vapours into the pump Note We recommend that you obtain and read the Vacuum Pump and Vacuum System Safety manual publication number P300 20 000 available from Edwards or your supplier 4 2 How to use the pump controls 4 2 1 Introduction You can use the mode selector Figure 1 item 11 and the gas ballast control Figure 1 item 5 to optimise the performance of the RV pump for your application The performance characteristics of the pump with the different control settings are shown in Tables 3 and 4 You can change the position of both the mode selector and the gas ballast control when the pump is off or when the pump is ope
59. the ambient temperature is outside the limits specified in Section 2 1 or to optimise the pump performance when you pump condensible vapours you may need to use a different oil Edwards Limited 2007 All rights reserved Page 12 Edwards and the Edwards logo are trade marks of Edwards Limited ED WARDS A652 01 880 Issue S Figure 3 Dimensions mm 3ivS10 Ov Top view of single phase pump Side view of single phase pump Side view of three phase pump Front view of single phase pump Side view of bareshaft pump 1 On off switch single phase pumps only 2 Lifting bracket Not fitted to RV3 and RV5 pumps a lifting handle is fitted instead mI1OOU0o2 Single phase pumps tThree phase pumps Edwards Limited 2007 All rights reserved Page 13 Edwards and the Edwards logo are trade marks of Edwards Limited ejep J e iuu e L ejep jedIUUDdE L A652 01 880 Issue 5 EDWARDS 2 6 Electrical data single phase pumps Note We recommend that you use fuses of the maximum ratings specified in Tables 9 and 10 You must not use fuses of a higher rating The dual voltage dual frequency motor is designed for a single phase electrical supply and is suitable for 50 Hz or 60 Hz operation The motor can be manually switched between nominal supply voltages of 110 120 V and 220 240 V refer to Section 3 7 1 Whe
60. the control clockwise slightly until the bayonet lugs engage correctly 6 Reset the gas ballast control to the required position Figure 8 Gas ballast control assembly AG 0156 B Gas ballast control O ring Air hole O ring Bayonet lugs Compression spring Filter element 24 QY mde GU NES Page 36 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited pb WARDS A652 01 880 Issue S 5 7 Clean the oil level sight glass Refer to Figure 9 for the item numbers in brackets 1 Drain the oil as described in Section 5 4 Tc pU c9 o xn oou Bly A o E Y Edwards Limited 2007 All rights reserved Check that the sight glass does not leak Sree Na Undo the two screws 1 and remove the bezel 2 the sight glass 3 and the O ring 4 from the oil box 5 Clean the screws bezel and sight glass with a suitable cleaning solution Wipe the O ring with a clean dry lint free cloth Wipe the sight glass recess in the oil box with the cloth Refit the O ring sight glass and bezel and secure with the two screws Refill the pump with oil as described in Section 5 4 Figure 9 Sight glass assembly AG 0161 8 Screws 2 off M6 x 20 Bezel Sight glass O ring Oil box Page 37 Edwards and the Edwards logo are trade marks of Edwards Limited o2ueuo1uleJ DOUCUDIUIE A652 01 880 Issue S Ep WARD
61. ts automatically when the motor has cooled When you check the pump make sure that the pump is not going through a repetitive cycle of thermal overload failures and automatic resets If necessary change the mode selector to High Throughput mode and reduce the thermal load from the pumped gases to prevent overheating of the pump Edwards Limited 2007 All rights reserved Page 31 Edwards and the Edwards logo are trade marks of Edwards Limited uorneaedo A652 01 880 Issue S Ep WARDS 4 8 Shut down We recommend as described in the procedure below that you decontaminate the oil before you shut down the pump this will prevent damage to the pump by the contaminates in the oil 1 a PP omm Refer to Section 4 6 and decontaminate the oil as required Close the vacuum system isolation valve if not already closed Close gas ballast that is set the gas ballast control to position 0 On single phase pumps use the on off switch to switch off the pump Switch off the electrical supply to the pump Page 32 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trade marks of Edwards Limited ED WARDS A652 01 880 Issue S 5 Maintenance 5 1 Safety information WARNING Obey the safety instructions given below and take note of appropriate precautions If you do not you can cause injury to people and damage to equipment o2ueuo1uleJ e f your pump is PFPE prepared refer to Section
62. tted inlet pressure and gas ballast inlet pressure bar gauge 0 5 0 5 0 5 Pa 1 5x 105 1 5 x 10 1 5 x 10 Maximum permitted outlet pressure bar gauge Pa Edwards Limited 2007 All rights reserved Page 7 Edwards and the Edwards logo are trade marks of Edwards Limited ejep jedIUude L peiiur spJewp3 JO seu apes eJe ooj spJeMp3 ay pue spJewp3 pansasa SIYBU Iv 002 paiiur spewp3 O g abeg Table 3 Performance data High Vacuum mode HIGH VACUUM MODE b ejep jediuude L RV3 RV5 RV8 RV12 Parameter 1 phase 3 phase 1 phase 3 phase 1 phase 3 phase 1 phase 3 phase Gas ballast control closed position 0 Ultimate total pressure Gas ballast control low flow position I Ultimate total pressure Gas ballast flow Maximum water vapour pumping rate 0 06 Maximum water vapour inlet pressure 27 2 7 x 10 Gas ballast control high flow position II Ultimate total pressure Gas ballast flow Maximum water vapour pumping rate Maximum water vapour inlet pressure 0 04 18 1 8 x10 0 06 16 1 6 x 10 0 04 11 11x10 S 9n55 088 T0 ZS9V xxiii p z spJewp3 JO sxJeu apes eJe obo spJeMp3 ay pue spuempy peAJaseJ SJH IV 007 pe1luur spjewpa o 6 a6eg Table 4 Performance data High Throughput mode HIGH THROUGHPUT MODE RV3 RV5 RV8 RV12 Parameter Parameter is 1 phase 3 phase 1 phase 3 phase 1 phase 3 phase 1 phase 3 phase Gas ballast control clo

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