A373_10_880 E2M28 user manual
Contents
1. Return Authorisation Number Return of BOC Edwards Equipment Declaration You must e Know about all of the substances which have been used and produced in the equipment before you complete this Declaration e Read the Return of BOC Edwards Equipment Procedure HS1 before you complete this Declaration e Contact BOC Edwards to obtain a Return Authorisation Number and to obtain advice if you have any questions e Send this form to BOC Edwards before you return your equipment SECTION 1 EQUIPMENT Equipment System Name IF APPLICABLE Part Number Tool Reference Number Serial Number Process Has the equipment been used tested or operated Failure Date YES _ Go to Section2 NO J Go to Section 4 Serial Number of Replacement Equipment SECTION 2 SUBSTANCES IN CONTACT WITH THE EQUIPMENT Are any substances used or produced in the equipment Note 1 BOC Edwards will not accept delivery of any equipment that is contaminated with radioactive substances biological infectious agents mercury PCB s dioxins or e Radioactive biological or infectious agents mercury sodium azide unless you poly chlorinated biphenyls PCBs dioxins or sodium azide if YES see Note 1 YES LJ NO e Decontaminate the equipment Hazardous to human e Provide proof of decontamination health and safety YES NO YOU MUST CONTACT BOC EDWARDS FOR ADVICE BEFORE YOU RETURN SUCH EQUIPMENT SECTION 3 LIST OF SUBSTANCES IN C2. Issue K a 1 n Jul 05 M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps 1 2 ATEX directive implications x II 3 GD T4 X INTERNAL ATMOSPHERES ONLY Tach Fila Ried META 0271 e This equipment is designed to meet the requirements of Group Il 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 Z j a O U0 C O O Z 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 predictable 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 predictable 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
3. Pollution degree 2 gt Installation category II Noise level at 1 metre 57 dB A at 50 Hz At ultimate vacuum with ambient temperature of 20 C Table 1 Operating and storage conditions Performance Note Where total pressures are shown in Table 2 below measurements were taken using an untrapped total pressure capacitance diaphragm gauge on a header as specified by Pneurop standards Maximum displacement E2M28 E2M30 50 Hz electrical supply 32 2 m h 19 cfm 60 Hz electrical supply 38 9 m h 23 cfm Maximum pumping speed Pneurop 50 Hz electrical supply 27 5 m h 16 2 cfm 60 Hz electrical supply 33 0 m h 19 4 cfm Motor rotational speed 50 Hz electrical supply 1440 r min 1440 r min 60 Hz electrical supply 1720 r min 1720 r min Ultimate vacuum without gas ballast partial pressure 1 x 104 mbar tatott 7 x 10 torr without gas ballast total pressure He sl 7 104 torr with full gas ballast partial pressure 2 x 107 mbar 1 5 x10 torr 2 x 101 Pa Maximum water vapour inlet pressure 30 mbar 22 5 torr 3 x 103 Pa Maximum water vapour pumping rate 0 7 kg h 0 7 kg h Maximum permitted outlet pressure 0 5 bar gauge 0 5 bar gauge for full pump throughout 1 5 bar absolute 1 5 bar absolute 1 5 x 105 Pa 1 5 x 10 Pa Table 2 Performance data Jul 05 m O I Z O gt rr U gt gt M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps 2 3 Mechanica
4. Tel 852 2372 2640 Fax 852 2796 9095 INDIA BOC EDWARDS DIVIN OF BOC INDIA LIMITED 203 Surya Kiran Building 19 Kasturba Gandhi Marg New Delhi 110 001 India Tel 91 11 851 0065 Fax 91 11 851 0245 ISRAEL EDWARDS ISRAEL VACUUM LTD 5 Habarzel Blvd Gat 2000 Industrial Zone Qiryat Gat 82000 Tel 972 8 681 0633 Fax 972 8 681 0640 ITALY BOC EDWARDS Via Carpaccio 35 20090 Trezzano sul Naviglio Milan Tel 39 02 48 4471 Fax 39 02 48 401638 JAPAN HEADQUARTERS BOC EDWARDS Shuwa Shiba Park Building A 3F 2 4 1 Shibakoen Minato ku Tokyo 105 0011 Tel 81 0 3 5470 6530 Fax 81 0 3 5470 6521 KOREA HEADQUARTERS SONGWON EDWARDS LTD 5th FL Daewoo Engineering Bldg Soonae dong Bundang gu Sungnam City Kyungki do Korea Tel 82 31 716 7070 Fax 82 31 738 1001 3 FACTORY amp GV SONGWON EDWARDS LTD 625 7 Upsong dong Chunan City Chungchong Nam do Korea Tel 82 41 621 7070 Fax 82 41 621 7700 SINGAPORE BOC EDWARDS ASIA 42 Loyang Drive Loyang Industrial Estate Singapore 508962 Tel 65 6546 8408 Fax 65 6546 8407 TAIWAN R O C EDWARDS TECHNOLOGIES LIMITED No 434 Chung hua Road Toufen Town Miaoli County Taiwan ROC Tel 886 37 611422 Fax 886 37 611401 PLEASE CONTACT ANY OF THESE COMPANIES FOR DETAILS OF OTHER SALES AND SERVICE CENTRES IN YOUR AREA BOC Edwards is part of BOC Limited BOC Edwards and the stripe symbol
5. Your local Service Centre can also provide BOC Edwards engineers to support on site maintenance service or repair of your equipment SAINOSSADOV ANY SJYVdS IDIAYAS For more information about service options contact your nearest Service Centre or other BOC Edwards company 7 3 Spares The maintenance kits listed in Table 10 contain all of the parts you will need to maintain your pump The maintenance kits also include instructions for the use of the kits Use the Clean and Overhaul Kit for routine maintenance operations Use the Blade Kit together with the Clean and Overhaul Kit when you must renew the blade assembly in the rotary pump Spare Item Number Clean and Overhaul Kit A373 01 131 Blade Kit A373 01 135 Ultragrade 19 Oil 4 litres H110 25 013 Capacitor Kit 100 200 V 1 phase motor A505 91 800 Table 10 Spares Item Numbers Issue K n O O Jul 05 MF BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps 7 4 Accessories 7 4 1 Introduction A range of accessories is available for the E2M28 and E2M30 pumps as shown in Figure 12 n The accessories are briefly described in the following sections Refer to Table 11 for the Item Numbers m of these accessories lt 0 Accessory Item Number gm ITO20K Inlet Catchpot A441 10 000 ITF20K Inlet Dust Filter A442 15 000 gt ITD20K Inlet Desiccant Trap A445 10 000 J ITC20K Inlet Chemical Trap A444 10 000 y EMF30 Outlet Mist Filter A462 33 000
6. The supplier of your thermal overcurrent protection device may specify different values to ensure correct operation of the fuse and the overcurrent protection device Ensure that the fuse you use is suitable for the starting currents given in Table 5 Refer to Figure 8 or 9 as appropriate for the correct electrical supply connection diagram for your motor The diameter of the outer sheath of the electrical cable must be in the range 10 14 mm The cable must conform in size and colour coding with your local and national electrical installation regulations The temperature rating of the cable must be 70 C or greater 1 Remove the cover from the motor terminal box 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 Refer to the electrical supply connection diagram for your pump Figure 8 or 9 Make sure that the metal links are connected as shown if they are not move the links to the positions shown 4 Pass the electrical supply cable through the cable gland and connect to the appropriate terminals as shown in Figures 8 and 9 You must tighten the earth ground terminal connection to a torque of 2 13 to 2 87 Nm 5 Tighten the cable gland until the outer sheath of the cable is firmly gripped Do not overtighten 6 Ensure that the gasket seal for the terminal box cover is correctly positioned then refit the cover to the terminal box
7. Assembly Gas Ballast Valve RETURN OF BOC EDWARDS EQUIPMENT Page 29 29 29 30 30 31 32 33 33 33 33 33 33 33 34 34 34 35 35 35 37 37 37 Jul 05 M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps ILLUSTRATIONS Figure Page 1 The E2M28 E2M30 pump 3 2 Dimensions mm key 8 3 Electrical supply connection single phase motors 220 240 V 50 Hz and 230 240 V 60 Hz 16 4 Electrical supply connection single phase motors 100 V 50 Hz 100 105 V 60 Hz and 115 V 60 Hz 16 5 Electrical supply connection single phase motors 200 V 50 Hz 200 210 V 60 H and 230 V 60 Hz 17 6 Electrical supply connection single phase motors with Amphenol connector 220 240 V 50 Hz and 230 240 V 60 Hz 17 7 Motor voltage selection single phase motors 110 200 240 V 50 Hz and 115 120 200 240 V 60 Hz 18 8 Electrical supply connection three phase motors 200 220 V 50 Hz and 200 230 V 60 Hz 21 9 Electrical supply connection three phase motors 380 415 V 50 Hz and 460 V 60 Hz 21 10 Remove replace the inlet filter 31 11 Remove replace the gas ballast filter 32 12 Accessories 41 TABLES Table Page 1 Operating and storage conditions 5 2 Performance data 5 3 Mechanical data 6 4 Lubrication data 6 5 Electrical data three phase motors 7 6 Electrical data single phase motors 7 7 Checklist of items 12 8 Motor connection details 14 9 Maintenance plan 30 10 Spares Item Numbers 39 11 Accessory Item Numbers 40 Associated publicat
8. are trade marks of The BOC Group BOC Edwards 2003 http www bocedwards com info bocedwards com Produced by Technical Publicity Techpublicity edwards boc com Mj BOC EDWARDS
9. flammable materials or mixtures to pass through the pump while within their explosive limits When flammable or pyrophoric materials are present within the equipment you must Not allow air to enter the equipment 7 Ensure that the system is leak tight g Use an inert 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 For further information please contact BOC Edwards refer to the Addresses page at the end of this manual for details of your nearest BOC Edwards company Issue K i 2 i Jul 05 M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps O AW 6410 A O NOILONGOULNI i l EAA 1 Oil filler 8 Motor terminal box 2 Outlet nozzle 9 On Off switch 3 Gas ballast control 10 Baseplate 4 Gas ballast inlet 11 Oil drain plug gravity drain 5 Centring ring and O ring supplied 12 Oil sight glass 6 Inlet port adaptor flange 13 Pump identification label 7 Cable gland Amphenol connector position Notes A pump with a single phase motor is shown in this figure The motor shown in this figure is not representative of the motor used on the E2M28 Amphenol pump with Item Numbe
10. gt PV25EK Valve 200 240 V 1 phase 50 60 Hz C413 01 000 z PV25EK Valve 110 127 V 1 phase 50 60 Hz C413 03 000 g FL20K Foreline Trap A133 05 000 gt Vibration Isolators pack of four A248 01 412 0 ODE 1 4 Oil Drain Extension A505 03 000 m Pump Inlet Adaptor C105 20 201 A Flexible Bellows C105 11 670 O Pump Outlet Adaptor C105 01 414 I Gas Ballast Banjo Elbow Assembly A500 06 003 m Gas Ballast Valve 110 V 50 60 Hz A500 06 984 a Gas Ballast Valve 240 V 50 60 Hz A500 06 930 Table 11 Accessory Item Numbers 7 4 2 Inlet Catchpot 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 7 4 5 Inlet Chemical Trap The Inlet Chemical Trap protects the pump against chemically active gases 7 4 6 Outlet Mist Filter The Outlet Mist Filter separates and traps oil droplets in the pump outlet to prevent oil mist discharge The Mist Filter is supplied with an adaptor to connect it to the pump outlet Issue K Se Jul 05 M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps AW 6412 A PRENE E E PE AE EE EP EE Pee am Pe ae pe 1 2 3 4 5 6 7 8 SAINOSSADOV ANY SJYVdS IDIAYAS Inlet Catchpot Inlet Dust Filter Inlet D
11. inlet socket On Off switch Position l on Position O off Voltage selector switch Position Il high voltage setting 200 240 V Position l low voltage setting 110 120 V A _ Top view of motor B Internal view of top of motor ONDURWN gt Figure 7 Motor voltage selection single phase motors 110 200 240 V 50 Hz and 115 120 200 240 V 60 Hz Issue K Jul 05 3 7 3 7 1 Issue K M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps Electrical installation three phase motors Connect the electrical supply to the motor WARNING Ensure that the electrical installation of the 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 CAUTION Ensure that the motor is correctly configured for your electrical supply voltage and frequency If you do not you can damage the motor Note The pump will restart automatically when the electrical supply is restored after an interruption If you do not want the pump to restart automatically use electrical control equipment which must be reset manually 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 5 The fuse ratings in Table 5 are provided for guidance only
12. is an oil leak from the drain plug Issue K nn 9 i Jul 05 M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps This page intentionally blank Issue K eee Jul 05 M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps 6 STORAGE AND DISPOSAL 6 1 Storage CAUTION Observe the storage temperature limits stated in Section 2 1 Storage below these limits will permanently damage the pump seals Note Ifyou 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 1 Shut down the pump as described in Section 4 8 2 Disconnect the pump from the electrical supply 3 Purge your vacuum system and the pump with dry nitrogen and disconnect the pump from your vacuum system TWSOdSIG ANV ADVYOLS 4 Replace the oil as described in Section 5 4 5 Place and secure protective covers over the inlet and outlet ports 6 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 you must clean and overhaul the pump before you install it as described in the instructions supplied with the clean and overhaul kit 6 2 Disposal Dispose of the pump the oil and any components removed from the pump safely in accordance with all local and national safety and env
13. outlet to a suitable treatment plant to prevent the discharge of dangerous gases and vapours to the surrounding atmosphere WARNING Use a catchpot to prevent the drainage of contaminated condensate back into the pump Z N gt E gt m O Z The exhaust system must be configured so that the maximum pressure at the pump outlet does not exceed 0 5 bar gauge 1 5 bar absolute 1 5 x 10 Pa at full pump throughput We recommend that you fit an oil mist filter to the pump outlet in the following circumstances g If you use the pump with the gas ballast control open If you operate the pump with an inlet pressure greater than 10 mbar for extended periods If you frequently pump down from atmospheric pressure The mist filter will trap the oil exhausted from the pump you can reuse the oil if it is not contaminated To connect the pump to your outlet accessories or to your exhaust treatment plant you can Connect 15 mm internal diameter vacuum or plastic hose to the outlet nozzle Figure 1 item 2 Remove the outlet nozzle and connect to the 3 4 inch BSP threaded hole s Remove the outlet nozzle and replace it with an NW25 flange adaptor available as an optional accessory see Section 7 4 13 and then connect to the NW25 flange 3 10 Gas ballast inlet connection The position of the gas ballast inlet is shown in Figure 1 item 4 The gas ballast inlet has several filters shown in Figure 11 to trap any d
14. procedure in Section 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 sight glass Figure 1 item 12 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 gas ballast control fully anti clockwise 4 Operate the pump until the oil is clear Unattended operation The 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 a regular interval of not more than 14 days check the pump more frequently if you pump high volumes of gas or if you operate the pump with the gas ballast control open Single phase motors are cooled by internal fans These motors have 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 the motor will restart 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 reduce the thermal load from the pumped gases to prevent overheating of the pump Ce Jul 05 4 8 Issue K M77 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps Shut down Note
15. 1 Receptacle connectors E Various sizes supplied with single phase motors except for pumps with Item Numbers A373 16 903 and A373 17 984 Table 7 Checklist of items o i Jul 05 3 4 3 5 Issue K M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps Locate the pump WARNING Use suitable lifting equipment to move the pump If you do not you can injure yourself or damage the pump Refer to Section 2 3 for the mass of the pump The pump can be either free standing on its baseplate or be fixed by bolts through the four fixing holes in the baseplate or be used with vibration isolators For the locations of the fixing holes in the baseplate refer to Figure 2 Provide a firm level platform for the pump Locate the pump so that the oil level sight glass is visible and the oil filler plug oil drain plugs 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 Fill the pump with oil Fill the pump with oil as described below Refer to Figure 1 for the item numbers in brackets 1 Remove the oil filler plug 1 2 Pour oil into the pump until the oil level reaches the MAX mark on the bezel at the top of the oil sight glass 12 If the oil level g
16. 969 3901 Burton Drive Santa Clara CA 95054 Tel 1 408 496 1177 Fax 1 408 496 1188 1810 West Drake Drive Suite 101 Tempe AZ 85283 Tel 1 602 777 7007 Fax 1 602 777 2244 11701 Stonehollow Drive Suite 100 Austin TX 78758 Tel 1 512 491 6622 Fax 1 512 491 0629 3501 Island Avenue Philadelphia PA 19153 Tel 1 215 365 8653 Fax 1 978 753 6846 BELGIUM BOC EDWARDS Bergensesteenweg 709 B1600 Sint Pieters Leeuw Brussels Tel 32 2 363 0030 Fax 32 2 363 0064 BRAZIL BOC DO BRASIL LTDA DIVISAO EDWARDS ALTO VACO Rua Bernado Wrona 222 02710 S o Paulo SP Tel 55 I1 3952 5000 Fax 55 I1 3965 2766 CANADA BOC EDWARDS 5975 Falbourne Street Mississauga Ontario L5R3WV6 Canada Tel 1 905 501 2558 Fax 1 905 501 1632 12055 Cote de Liesse Dorval Quebec H9P1B4 Canada Tel 1 514 631 3501 Fax 1 514 631 3502 CHINA BOC TRADING SHANGHAI CO LTD 23 Fu Te Road N Wai Gao Qiao Free Trade Zone Pudong Shanghai 200131 PRC China Tel 86 21 5866 9618 Fax 86 21 5866 9993 FRANCE BOC EDWARDS 125 Avenue Louis Roche 92238 Gennevilliers Cedex Paris Tel 33 47 98 24 O1 Fax 33 47 98 44 54 GERMANY BOC EDWARDS AmmerthalstraBe 36 85551 Kirchheim Munich Tel 49 89 99 19 180 Fax 49 89 99 19 18 99 HONG KONG S A R BOC EDWARDS ASIA 12 Chun Yat Street Tseung Kwan O Industrial Estate Tseung Kwan O Kowloon Hong Kong S A R
17. Decengen Zew SAovLenh Dr J D Watson Director of Technology Date and Place Vacuum Equipment and Exhaust Management Product Divisions This product has been manufactured under a quality system registered to SO9001 MVM BOC EDWARDS P200 00 620 ISSUE A Ipsitech 8207 D 05 M77 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps CONTENTS Section 1 INTRODUCTION 1 1 Scope and definitions 1 2 ATEX directive implications 1 3 Description 1 4 Gas ballast 2 TECHNICAL DATA 2 1 Operating and storage conditions 2 2 Performance 2 3 Mechanical data 2 4 Lubrication data 2 5 Electrical data 3 INSTALLATION 3 1 Safety 3 2 System design 3 3 Unpack and inspect 3 4 Locate the pump 3 5 Fill the pump with oil 3 6 Electrical installation single phase motors 3 6 1 Introduction 3 6 2 Standard single phase motors 3 6 3 Amphenol version single phase motors 3 6 4 110 200 240 V 50 Hz or 115 120 200 230 V 60 Hz single phase motors 3 7 Electrical installation three phase motors 3 7 1 Connect the electrical supply to the motor 3 7 2 Check the direction of rotation 3 8 Connect the pump inlet 3 9 Connect the pump outlet 3 10 Gas ballast inlet connection 3 11 Leak test the system 4 OPERATION 4 1 ATEX directive implications 4 1 1 Introduction 4 1 2 Flammable pyrophoric materials 4 1 3 Gas purges 4 2 Gas ballast control 4 3 Start up 44 To achieve ultimate vacuum 45 To pump condensable vapours 4 6 To decontaminate th
18. If the gas ballast control is open and the motor is switched off for any reason the pump drive shaft may rotate in the reverse direction causing a system pressure rise To prevent this use a gas ballast control valve refer to Section 7 4 15 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 Refer to Section 4 6 and decontaminate the oil as required 2 Close the vacuum system isolation valve if not already closed 3 Close gas ballast that is turn the gas ballast control clockwise 4 Switch off the electrical supply to the pump Co Min Jul 05 NOILVYJdO M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps This page intentionally blank Issue K O Jul 05 5 1 5 2 Issue K M BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps MAINTENANCE 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 A suitably trained and supervised technician must maintain the pump 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 Allow the pump to cool to a safe temperature before you start maintenance work Isolate the pump and other compo
19. Instruction Manual A373 10 880 Issue K Original E2M28 and E2M30 Rotary Vacuum Pumps Description E2M28 100 200 V 50 Hz or 100 105 200 210 V 60 Hz single phase E2M28 115 230 V 60 Hz single phase E2M28 200 240 V 50 Hz or 230 240 V 60 Hz single phase E2M28 200 220 380 415 V 50 Hz or 200 230 460 V 60 Hz three phase E2M28 200 240 V 50 Hz or 230 240 V 60 Hz single phase Amphenol E2M28 110 200 240 V 50 Hz or 115 120 200 230 V 60 Hz single phase E2M28 FF 220 240 V 50 Hz or 230 240 V 60 Hz single phase E2M28 FF 200 220 380 415 V 50 Hz or 200 230 460 V 60 Hz three phase E2M30 100 200 V 50 Hz or 100 105 200 210 V 60 Hz single phase E2M30 115 230 V 60 Hz single phase E2M30 200 240 V 50 Hz or 230 240 V 60 Hz single phase E2M30 200 220 380 415 V 50 Hz or 200 230 460 V 60 Hz three phase Mj BOC EDWARDS Item Number A373 15 904 A373 15 981 A373 15 903 A373 10 940 A373 16 903 A373 17 984 A373 25 903 A373 21 940 A374 15 904 A374 15 981 A374 15 903 A374 10 940 CE Declaration of Conformity BOC Edwards Manor Royal Crawley West Sussex RH10 2LW UK declare under our sole responsibility that the product s E2M28 and E2M30 Rotary Vacuum Pumps A373 10 940 A373 15 981 A374 10 940 A373 15 903 A373 21 940 A374 15 903 A373 15 904 A373 25 903 A374 15 904 A373 16 903 A374 15 981 A373 17 984 to which this declaration relates
20. ONTACT WITH THE EQUIPMENT Chemical Precautions required for example Action required after a spill Substance name Symbol use protective gloves etc leak or exposure SECTION 4 RETURN INFORMATION Reason for return and symptoms of malfunction If you have a warranty claim e who did you buy the equipment from e give the supplier s invoice number SECTION 5 DECLARATION Print your name Print your job title Print your organisation Print your address Telephone number Date of equipment delivery have made reasonable enquiry and have supplied accurate information in this Declaration have not withheld any information and have followed the Return of BOC Edwards Equipment Procedure HS1 el ah it a hel the signed form as hard copy Note Please print out this Signed P900 71 000 Issue K This page intentionally blank P800 80 000 Issue J 01A09 010 UNITED KINGDOM CORPORATE HEADQUARTERS BOC EDWARDS Manor Royal Crawley West Sussex RH10 9LW Tel 44 1293 528844 Fax 44 1293 533453 BOC EDWARDS Wingates Industrial Estate Great Bank Road Westhoughton Bolton Lancashire BL5 3SL Tel 44 1942 652652 Fax 44 1942 652651 AMERICA USA USA HEADQUARTERS BOC EDWARDS One Edwards Park 301 Ballardvale Street Wilmington MA 01887 Tel 1 978 658 5410 Toll free USA only 800 848 9800 Fax 1 978 658 7
21. allation work Ensure that the installation technician is familiar with the safety procedures which relate to the pump oil and the products processed 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 g Disconnect the other components in the pumping system from the electrical supply so that they cannot be operated accidentally Safely route any electrical supply cables so that they cannot accidentally trip people You must ensure that the E2M28 or E2M30 pump is suitable for your application If you have any doubts as to the suitability of the pump for your application refer to the BOC Edwards guidelines on vacuum pump and vacuum system safety see the Associated Publication at the end of the contents list at the front of this manual Issue K m Jul 05 Z 4 j gt E gt O Z 3 2 3 3 Issue K M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps System design Consider the following points when you design your pumping system Use a suitable inlet 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 if you need to maintain vacuum when the pump is switched off 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 dev
22. and secure with the screws 10 a Jul 05 Z N gt z gt O Z M BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps 3 7 2 Check the direction of rotation CAUTION Ensure that the motor rotates in the correct direction If it does not the pump and your vacuum system can become pressurized when you operate the pump 1 With the pump inlet still unconnected watch the motor cooling fan through the motor fan cover switch on the electrical supply to the motor for a few seconds then switch off the electrical supply again 2 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 Z 4 j gt e gt O Z e Switch off the electrical supply immediately 7 Isolate the pump from the electrical supply Remove the terminal box cover and swap wires L1 and L3 see Figures 8 and 9 Refit the cover to the terminal box 3 8 Connect the pump inlet 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 For optimum pumping speeds ensure that the pipeline connected to the inlet port is as short as possible and has an internal diameter not less than the inlet port diameter Support the vacuum pipelines to prevent loading of the coupling joints If necessary incorporate flexibl
23. e 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 BOC Edwards flexible bellows Use a suitable inlet catchpot if you pump condensable vapours or if you use the pump for very dusty applications a Ensure that sealing surfaces are clean and scratch free Connect your vacuum system to the inlet port Figure 1 item 6 To make this connection you can Connect to the NW25 flange supplied use the NW25 centring ring and O ring supplied Remove the NW25 flange and connect to the 1 inch BSP threaded hole Use an NW25 to 28 mm bore tube adaptor available as an optional accessory see Section 7 4 11 Issue K G Jul 05 M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps NOILVTIVLSNI AW 1804 A Figure 8 Electrical supply connection three phase motors 200 220 V 50 Hz and 200 230 V 60 Hz W2 U1 peas U2 u T 1 3 w E t Vi 3 ot WS V2 Wi lt w be S J x Figure 9 Electrical supply connection three phase motors 380 415 V 50 Hz and 460 V 60 Hz Issue K M MM Jul 05 M BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps 3 9 Connect the pump outlet WARNING Connect the pump
24. e oil 4 7 Unattended operation 4 8 Shut down Issue K i Page ARN DAA UMN UW Jul 05 Section 5 5 1 5 2 5 3 5 4 5 5 5 6 5 7 5 8 5 9 5 10 5 11 5 11 1 5 11 2 5 11 3 5 11 4 5 11 5 5 11 6 5 11 7 5 11 8 6 1 6 2 7 1 7 2 7 3 7 4 7 4 1 7 4 2 7 4 3 7 4 4 7 4 5 7 4 6 7 4 7 7 4 8 7 4 9 7 4 10 7 4 11 7 4 12 7 4 13 7 4 14 7 4 15 Issue K M BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps MAINTENANCE Safety information Maintenance plan Check the oil level Replace the oil Inspect and clean the inlet filter Clean the gas ballast filter Clean the motor fan cover and enclosure Clean and overhaul the pump Fit new blades Test the motor condition Fault finding Introduction The pump has failed to start The pump fail to achieve specified performance failure to reach ultimate vacuum The pump is noisy The pump surface temperature is above 100 C The vacuum is not maintained after the pump is switched off The pumping speed is poor There is an external oil leak STORAGE AND DISPOSAL Storage Disposal SERVICE SPARES AND ACCESSORIES Introduction Service Spares Accessories Introduction Inlet Catchpot Inlet Dust Filter Inlet Desiccant Trap Inlet Chemical Trap Outlet Mist Filter Solenoid Operated Pipeline Valve Foreline Trap Vibration Isolators Oil Drain Extension Pump Inlet Adaptor Flexible Bellows Pump Outlet Adaptor Gas Ballast Banjo Elbow
25. ecommend that you use bellows when you use Vibration Isolators Pump Outlet Adaptor This is a 3 4 inch BSP to NW25 adaptor Use this adaptor when you remove the hose adaptor supplied fitted to the pump outlet to adapt the 3 4 inch BSP thread to NW25 pump inlet Gas Ballast Banjo Elbow Assembly Use this 3 inch BSP assembly when a remote ballast supply or gas ballast valve is fitted Gas Ballast Valve Use this to control the gas ballast remotely You will also need the Gas Ballast Banjo Elbow Assembly see Section 7 4 14 when you fit this accessory io e Jul 05 P900 70 000 Issue K M7 BOC EDWARDS Form HS1 Return of BOC Edwards Equipment Procedure INTRODUCTION Before returning your equipment you must warn BOC Edwards if substances you used and produced in the equipment can be hazardous This information is fundamental to the safety of our Service Centre employees and will determine the procedures employed to service your equipment Complete the Declaration HS2 and send it to BOC Edwards before you dispatch the equipment It is important to note that this declaration is for BOC Edwards internal use only and has no relationship to local national or international transportation safety or environmental requirements As the person offering the equipment for shipment it is your responsibility to ensure compliance with applicable laws GUIDELINES Equipment is uncontaminated if it has not been used or if it has only been
26. ed if the pump is used to process corrosive or abrasive gases and vapours in these circumstances we recommend that you replace the pump seals every year If necessary adjust the maintenance plan according to your experience When you maintain the pump use BOC 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 Examine the condition of any external accessories filters or traps if fitted when you maintain the pump Refer to the instructions supplied with these accessories for the necessary maintenance procedures 29 Jul 05 z Z j m Z gt Z O m lt 2 Z m Z gt Z O m 5 3 5 4 Issue K M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps Operation Frequency Refer to Section Check the oil level As required at least monthly 5 3 Replace the oil Every 3000 hours of operation 5 4 Inspect and clean the inlet filter Every oil change 5 5 Clean or replace the gas ballast filter Yearly 5 6 Clean the motor fan cover and enclosure Yearly 5 7 Clean and overhaul the pump Every 15000 hours of operation 5 8 Fit new blades Every 30000 hours of operation 5 9 Test the motor condition Every 15000 hours of operation 5 10 Table 9 Maintenance plan Check the oil level Note If required you can check the oil level while the pump is operat
27. erminals as shown in Figures 3 to 5 You must tighten the earth ground terminal connection to a torque of 2 13 to 2 87 Nm 9 Tighten the dome shaped nut on the cable gland until the outer sheath of the cable is firmly gripped Do not overtighten 10 Check that the cable connections are correct then refit the cover on the motor terminal box 3 6 3 Amphenol version single phase motors When you select the mating half of the amphenol connector please ensure that it is compatible For conformance with CSA standards only CSA certified connectors are to be used the protective earth ground connection is required to make first and break last with respect to the other connections Connect the electrical supply cable to the appropriate pins as shown in Figure 6 3 6 4 110 200 240 V 50 Hz or 115 120 200 230 V 60 Hz single phase motors The motor is designed for a single phase electrical supply and is suitable for 50 Hz and 60 Hz operation The motor can be manually switched between nominal supply voltages of 110 120 V and 200 240 V Use the following procedure to check that the voltage selector switch is correctly positioned for your electrical supply voltage 1 Refer to Figure 7 Undo the three screws securing the terminal box cover 1 and remove the cover 2 Check the position of the voltage selector switch 6 If the switch is in the correct position continue at Step 3 If the voltage selector switch 6 is in the wrong position press t
28. esiccant Trap Inlet Chemical Trap Gas Ballast Valve Banjo Elbow Assembly Solenoid operated pipeline valve Foreline Trap 9 Outlet Mist Filter 10 NW25 Adaptor 11 Vibration Isolators 12 Oil Drain Extension Figure 12 Accessories Issue K ee ee Jul 05 N m J lt O m wn v gt p m N gt Z 0 gt O O m N A O m N 7 4 7 7 4 8 7 4 9 7 4 10 7 4 11 7 4 12 7 4 13 7 4 14 7 4 15 Issue K M BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps 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 Foreline Trap Use a Foreline Trap on a clean pumping system to prevent back migration of rotary pump oil vapour into your vacuum system Vibration Isolators The Vibration Isolators reduce transmission vibration and noise when the pump is floor or frame mounted and help to reduce strain when the mounting area is uneven 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 Pump Inlet Adaptor This is an NW25 to 28 mm bore tube adaptor supplied with connection hardware Attach this adaptor to the NW25 pump inlet to connect 28 mm bore plastic or rubber tube Flexible Bellows Use Flexible Bellows to connect the pump inlet to your vacuum system We r
29. he switch to select the alternative position 3 Refit the terminal box cover and secure with the three screws When you select the mating half of the connector please ensure that it is compatible IEC60320 C19 female For compliance with CSA standards only CSA certified connectors are to be used Issue K SS u Jul 05 M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps Z 4 j gt E gt O Z AW71829 A Figure 3 Electrical supply connection single phase motors 220 240 V 50 Hz and 230 240 V 60 Hz AW 1830 A Wire colour codes BN Brown VT Violet GY Grey WH White OR Orange Figure 4 Electrical supply connection single phase motors 100 V 50 Hz 100 105 V 60 Hz and 115 V 60 Hz Issue K G l Jul 05 M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps AW 1831 A Wire colour codes BN Brown VT Violet GY Grey WH White OR Orange Figure 5 Electrical supply connection single phase motors 200 V 50 Hz 200 210 V 60 Hz and 230 V 60 Hz U Or O Pin codes 1 Live 2 Neutral 3 Not used L Earth ground Figure 6 Electrical supply connection single phase motors with Amphenol connector 220 240 V 50 Hz and 230 240 V 60 Hz Issue K ee aM Jul 05 NOILVTIVLSNI M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps AW 6771 A Z 4 j gt E gt O Z Il 200 240V 110 120V Terminal box cover Electrical
30. ice to open If 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 Make sure that the exhaust pipeline cannot become blocked If you have an outlet isolation valve make sure that you cannot operate the pump with the valve closed 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 control valve for introduction of purge gas into the pump is available as an accessory see Section 7 4 15 Unpack and inspect 1 Remove all packing materials and protective covers and check 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 packing materials for inspection Do not use the pump if it is damaged Check that your package contains the items listed in Table 7 If any of these items are missing notify your supplier within 3 days 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 Quantity Description Check v 1 E2M28 or E2M30 rotary vacuum pump E 1 Fitting pack containing the following 1 NW25 centring ring E 1 O ring for centring ring 0
31. ing 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 oil sight glass 12 is between the MAX and MIN level marks on the bezel of the oil sight glass If the oil level is near to or below the MIN level mark remove the oil filler plug 1 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 oil drain plug 11 and drain the excess oil from the pump Refit the oil drain plug Refit the oil filler plug If the oil is contaminated drain and refill the pump with clean oil as described in Section 5 4 Replace the oil Refer to Figure 1 for the items in brackets 1 Operate the pump for approximately ten minutes to warm the oil then switch off the pump This lowers the viscosity of the oil and allows the oil to be drained from the pump more easily Isolate the pump from your electrical supply and disconnect it from your vacuum system Remove the oil filler plug 1 Place a suitable block under the pump motor to tilt the pump and place a suitable container under the oil drain plug gravity drain 11 Remove the oil drain plug and allow the oil to drain into the container If the oil is dirty or contaminated Refit the oil drain plug and pour clean oil in
32. ions Publication title Publication Number Vacuum pump and vacuum system safety P300 20 000 Vibration isolators A248 01 880 EMF3 EMF10 and EMF20 oil mist filters A462 26 880 Issue K n ii n Jul 05 M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps This page intentionally blank Issue K iv Jul 05 M BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps 1 INTRODUCTION 1 1 Scope and definitions This manual provides installation operation and maintenance instructions for the BOC Edwards E2M28 and E2M30 rotary vacuum pumps You must use the pump as specified in this manual Read this manual before you install and operate the pump Important safety information is highlighted as WARNING and CAUTION instructions you must obey these instructions The use of WARNINGS and CAUTIONS is defined below WARNING Warnings are given where failure to observe the instruction could result in injury or death to people NOILOINGOULNI 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 The following warning labels are on the pump Warning refer to accompanying documentation Warning risk of electric shock Warning hot surfaces Warning do not block the pump outlet
33. ironmental requirements Take particular care with the following Components which have come into contact with the pump fluid Components which have been contaminated with dangerous process substances Do not incinerate fluoroelastomer seals and O rings Issue K n a M Jul 05 MF BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps This page intentionally blank Issue K n eee Jul 05 M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps 7 SERVICE SPARES AND ACCESSORIES 7 1 Introduction BOC Edwards products spares and accessories are available from BOC 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 BOC Edwards training courses Order spare parts and accessories from your nearest BOC Edwards company or distributor When you order state for each part required Model and Item Number of your equipment Serial number Item Number and description of part 7 2 Service BOC Edwards products are supported by a world wide network of BOC 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
34. 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 EN 1012 2 1997 Compressors and Vacuum Pumps Safety Requirements Part 2 Vacuum Pumps IEC 34 Parts 1 5 8t 11 1991 Central Requirements for Rotating Electrical Machines C22 2 No 77 1998 Motors with Inherent Overheating Protection C22 2 No 100 1992 Motors and Generators C22 2 No 1010 1 1992 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use Part 1 General Requirements UL 61010A 2002 Electrical Equipment for Laboratory Use Part 1 General Requirements UL 1004 1994 Electric Motors EN 13463 1 2001 Non Electrical Equipment for Potentially Explosive Atmospheres 3 phase pumps only i phase pumps only The pumps comply with EN 61010 1 when installed in accordance with the instruction manual supplied with the pumps 1 phase pumps only Canadian Standards Authority and Underwriters Laboratory following the provisions of 73 023 EEC Low Voltage Directive 89 336 EEC Electromagnetic Compatibility Directive 98 37 EC Machinery Safety Directive 94 9 EC Equipment for use in Potentially Explosive Atmospheres ATEX Directive Category 3GD Internal Atmospheres Only oe De ce
35. l data Approximate pump mass 44 kg Dimensions See Figure 2 Degree of protection Single phase motors IP44 Three phase motors IP54 Pump inlet port NW25 the flange can be removed from the 1 inch BSP threaded hole Pump outlet port 15 mm external diameter nozzle the nozzle can be removed from the 3 4 inch BSP threaded hole Table 3 Mechanical data 2 4 Lubrication data Note A BOC Edwards Material Safety Data Sheet for the oil specified below is available on request Recommended oil Ultragrade 19 Maximum oil capacity 1 32 litres To operate the pump when the ambient temperature is outside the range specified in Section 2 1 or to optimise pump performance when you process condensible vapours you may need a different oil Table 4 Lubrication data 2 5 Electrical data Refer to Tables 5 and 6 The motor start up current is drawn for less than one second so you must use slow blow fuses to prevent unnecessary fuse failure when the pump starts Fuses should be to EN60269 Section 2 2 For conformance with CSA standards only CSA certified fuses are to be used If you use the pump at temperatures lower than 13 C the start up current will be drawn for longer this may cause the motor thermal overload device to open Issue K 6 EE Jul 05 M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps Pump Item Number Voltage Frequenc
36. low 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 BOC Edwards or your supplier Gas ballast control Use the gas ballast control Figure 1 item 3 to change the flow of gas ballast into the low vacuum stage of the pump and to provide an additional oil feed to the pump mechanism Use the gas ballast control closed To achieve ultimate vacuum s To pump dry gases Turn the gas ballast control six turns anti clockwise to open it fully Use the gas ballast control open s To pump high concentrations of condensable vapour To decontaminate the oil When you operate the pump with the gas ballast control open there will be an increased rate of oil loss from the pump Ideally a mist filter and oil return kit should be used on clean applications Go e Jul 05 4 3 4 4 Issue K M BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps Start up WARNING Do not block the pump outlet or allow the outlet pressure to rise above 1 5 bar absolute If you do the oil box may fracture and may cause injury to people nearby If the oil is contaminated or if the pump temperature is below 13 C or if the electrical supply voltage is more than 10 below the lowest voltage specified for the pump the pump may operate at a reduced speed for a few minutes On single phase pumps if the pump continues
37. mp has not warmed up 5 The motor shaft rotates in the wrong direction three phase motors only 5 11 4 The pump is noisy The motor fan cover is damaged The coupling and fan assembly are poorly adjusted The motor coupling is loose s The motor bearings are worn x The oil is contaminated with solid particles e One of the pump blades is sticking 5 11 5 The pump surface temperature is above 100 C The ambient temperature is too high The cooling air supply is insufficient or is too hot The cooling air supply is blocked The electrical supply voltage is too high The exhaust filter or exhaust line is blocked The oil level is too low The pump is filled with the wrong type of oil The oil is contaminated The process gas is too hot or the throughput is too high Issue K A i Jul 05 M BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps 5 11 6 The vacuum is not maintained after the pump is switched off 7 The gas ballast control is open O ring s are damaged or missing The shaft seals have deteriorated 5 11 7 The pumping speed is poor a The connecting pipelines are too small in diameter The connecting pipelines are too long The inlet filter is blocked 5 11 8 There is an external oil leak ADNVNALNIVW The oil pump shaft seal is worn or damaged The oil box gasket has deteriorated There is an oil leak from gas ballast control 7 There
38. nents in the pumping system from the electrical supply so that they can not be operated accidentally 7 After maintenance is completed recheck the pump rotation direction if the electrical supply has been disconnected g Do not reuse O rings and seals if they are damaged The pump and its 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 g Leak test the system after maintenance work is complete if you have connected or disconnected any vacuum or exhaust joints seal any leaks found s Do not touch or inhale the thermal breakdown products of fluorinated materials which may be present if the pump has been heated to 260 C and above These breakdown products are very dangerous Fluorinated materials in the pump may include oils greases and seals The pump may have overheated if it was misused if it malfunctioned or if it was in a fire BOC Edwards Material Safety Data sheets for fluorinated materials used in the pump are available on request contact your supplier or BOC Edwards Maintenance plan The plan shown in Table 9 details the routine maintenance operations necessary to maintain the pump in normal use Instructions for each operation are given in the section shown More frequent maintenance may be requir
39. ner circlip 3 2 Remove the protective wire mesh 2 and filter elements 1 3 Wash the wire mesh and filter in a suitable cleaning solution Allow the wire mesh and filter to dry before replacing them in the pump 4 Refit the wire mesh 2 and filter element 1 in the adaptor plate housing and retain with the retainer circlip 3 z gt Z m Z gt Z 0 m AP 2054 A 1 Filter element 2 Wire mesh 3 Retainer circlip Figure 11 Remove replace the gas ballast filter Issue K G Jul 05 M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps 5 7 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 brush to remove dirt and deposits from the fan cover and enclosure 5 8 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 9 Fit new blades ADNVNALNIVW Fit new blades to the pump as described in the instructions supplied with the blade kit see Section 7 3 5 10 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 We recommend that The earth gr
40. o e m S O Z o Q m S a O Z 4 1 3 4 2 Issue K M BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps Gas purges WARNING If you use inert gas purges to dilute dangerous gases to a safe level ensure that the 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 exhaust pipeline If liquids that produce flammable vapours could be present in the pump foreline then the inert gas purge to the 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 is fully open Continually measure the inert gas purge flow rate if the flow rate falls below that required you must stop the f
41. oes above the MAX mark remove the oil drain plug 11 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 Cc a Jul 05 Z N gt Zz gt O Z M BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps 3 6 Electrical installation single phase motors WARNING Ensure that the electrical installation of the 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 CAUTION Ensure that the motor is correctly configured for your electrical supply voltage and frequency If you do not you can damage the motor Z N gt E gt m O Z 3 6 1 Introduction Note The pump will restart automatically when the electrical supply is restored after an interruption and when the pump cools after it has overheated If you do not want the pump to restart automatically use electrical control equipment which must be reset manually Ensure that your electrical supply voltage corresponds with the voltage specified on the motor data plate Table 5 gives the recommended fuse rating and Table 8 specifies the Figure which identifies the correct electrical supply connection details The diameter of the o
42. or failure to achieve the specified performance note however that the most common causes are Your pressure measurement technique or gauge head is unsuitable or the gauge head is faulty 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 pump from your vacuum system 2 Turn the gas ballast control fully anti clockwise fully open and operate the pump for at least 1 hour or overnight to thoroughly purge the oil of contaminants 3 Close the gas ballast control 4 Open the vacuum system isolation valve and pump down to ultimate vacuum r Jul 05 o e m S O Z O 5 m gt O Z 4 5 4 6 4 7 Issue K M BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps To pump condensable vapours Use gas ballast open the gas ballast control when there is a high proportion of condensable vapours in the process gases 1 Close the vacuum system isolation valve 2 Turn the gas ballast control anti clockwise to fully open and operate the pump for 30 minutes to warm the oil this will help to prevent vapour condensation in the pump 3 Open the vacuum system isolation valve and continue to operate the pump with the gas ballast control open After you have pumped condensable vapours you can if necessary decontaminate the oil use the
43. ound continuity is less than 0 1 Q Insulation resistance is greater than 10 MQ If the motor fails these tests you must replace the motor 5 11 Fault finding 5 11 1 Introduction A list of fault conditions and their possible causes is provided in the following sections to assist you in basic fault finding If you are unable to rectify a fault when you use this guide call your supplier or your nearest BOC Edwards Service Centre for advice 5 11 2 The pump has failed to start The electrical supply fuse has failed 7 The motor is incorrectly wired cs The operating voltage does not match that of the motor The exhaust filter or exhaust line is blocked The oil temperature is below 13 C The oil is too viscous The oil is contaminated The pump is seized after long storage or has been left to stand after pumping contaminants The motor is faulty Issue K n I uM Jul 05 M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps 5 11 3 The pump fail to achieve specified performance failure to reach ultimate vacuum b Your measuring technique or gauge is unsuitable There is a leak in the external vacuum system The gas ballast control is open The oil level is too low You have filled the pump with the wrong type of oil The oil is contaminated x The pump has not primed The vacuum fittings are dirty The inlet filter is blocked lt a Z m Z gt Z O m a The pu
44. r A373 17 984 On this pump items 7 and 9 are transposed with Item 7 being an IEC60320 16 20 Amp socket Figure 1 The E2M28 E2M30 pump Issue K n 3 a Jul 05 Z j P O U0 Cc A O Z 1 3 1 4 Issue K M BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps Description The BOC Edwards E2M28 and E2M30 pumps are shown in Figure 1 Refer to Figure 1 for item numbers in brackets in the following descriptions The E2M28 and E2M30 pumps are two stage direct drive sliding vane pumps The pump is oil sealed and designed for reliable long term operation in both laboratory and industrial environments The pump is a free standing unit The drive is provided through a flexible coupling by a single phase or three phase four pole motor The motors are totally enclosed and are cooled by the motor cooling fan which directs air along the motor fins The single phase motors have 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 the motor will restart The single phase motors have an on off switch An oil pressure system lubricates the pump shaft bearing surfaces and rotor sealing faces The pump has an oil distribution valve which prevents discharge of oil to the pump interior suckback after the pump stops The pumping chambers are air tight so this arrangement prevents air s
45. the equipment for shipment it is your responsibility to ensure compliance with applicable law Note Equipment contaminated with some hazardous materials such as semiconductor by products may not be suitable for airfreight contact your transporter for advice Remove all traces of hazardous gases pass an inert gas through the equipment and any accessories that will be returned to BOC Edwards Where possible drain all fluids and lubricants from the equipment and its accessories Seal up all of the equipment s inlets and outlets including those where accessories were attached with blanking flanges or for uncontaminated product with heavy gauge tape Seal equipment in a thick polythene polyethylene bag or sheet If the equipment is large strap the equipment and its accessories to a wooden pallet If the equipment is too small to be strapped to a pallet pack it in a suitable strong box Fax or post a copy of the Declaration HS2 to BOC Edwards The Declaration must arrive before the equipment Give a copy of the Declaration HS2 to the transporter You must tell your transporter if the equipment is contaminated 10 Seal the original Declaration in a suitable envelope attach the envelope securely to the outside of the equipment package in a clear weatherproof bag WRITE YOUR RETURN AUTHORISATION NUMBER CLEARLY ON THE OUTSIDE OF THE ENVELOPE OR ON THE OUTSIDE OF THE EQUIPMENT PACKAGE M7 BOC EDWARDS Form HS2
46. 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 gas ballast control to the required position refer to Section 4 2 3 Switch on the electrical supply to the pump 4 Check that the oil level in the sight glass drops slightly by 3 to 5 mm after start up This shows that the pump has primed with oil 5 If the pump fails to prime operate the pump with the inlet open to atmosphere for approximately 30 seconds Then isolate the inlet and check that the oil level drops by 3 to 5 mm 6 f 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 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 BOC 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 11 3 for a list of possible causes f
47. to the pump Reconnect the pump to the electrical supply and operate the pump for about 5 to 10 minutes s Disconnect the pump from the electrical supply remove the oil drain plug and allow the oil to drain out of the pump Repeat this step until the oil reservoir is clean woo Jul 05 M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps 6 Refit the oil drain plug remove the block and reconnect the pump to your vacuum system 7 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 oil sight glass 12 8 Allow a few minutes for the oil to drain into the pump If necessary add more oil Refit the oil filler plug 5 5 Inspect and clean the inlet filter Refer to Figure 10 1 Unscrew the inlet adaptor 1 and remove the O ring 2 circlip 3 and inlet filter 4 2 Wash the filter in a suitable cleaning solution Allow the filter to dry ADNVNALNIVW 3 Refit the inlet filter 4 circlip 3 O ring 2 and inlet adaptor 1 AP 2052 A 1 Inlet adaptor 2 O ring 3 Circlip 4 Inlet filter Figure 10 Remove replace the inlet filter Issue K SS O M Jul 05 MF BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps 5 6 Clean the gas ballast filter Note You may have removed the gas ballast filter to connect a gas supply or valve to the gas ballast inlet Refer to Figure 11 1 Remove the retai
48. uckback unless the gas ballast valve is open For protection in this case refer to Section 1 4 You can inspect the level and condition of oil in the oil box reservoir through the oil sight glass 12 An oil filler plug 1 is fitted to the top of the oil box The pump has an oil drain plug 11 to allow gravity oil drain The pump has an inlet port 6 outlet nozzle 2 and gas ballast control 3 The pump is mounted on an aluminium alloy baseplate 10 on rubber pads Details of suitable vibration isolators and other recommended accessories are given in Section 7 4 Gas ballast To pump high vapour loads gas ballast is delivered into the pump to prevent condensation of the vapour carried by the pumped gases Air or another gas can be introduced into the low vacuum stage through the gas ballast control The gas ballast control is a multi turn valve which you can adjust as required between closed and fully open 4 E Jul 05 M BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps 2 TECHNICAL DATA 2 1 Operating and storage conditions Note To comply with CSA standards the pump must be installed and used indoors and within the operating conditions specified in Table 1 below j m Ambient temperature range operation 13 to 40 C O Ambient temperature range storage 30 to 70 C Normal surface temperature of the pump body 45 to 65 C O Maximum humidity operation 90 RH a Maximum altitude operation 2000 m 5
49. ump during normal operation but there may be potential sources of ignition under conditions of predictable 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 predictable 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 whilst within their explosive limits Flammable pyrophoric materials 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 When flammable or pyrophoric materials are present within the equipment you must 7 Not allow air to enter the equipment Ensure that the system is leak tight Use an inert 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 Use an inert gas purge into the pump gas ballast connection to prevent the condensation of flammable vapours within the pump mechanism and exhaust pipeline ra Jul 05
50. used with substances that are not hazardous Your equipment is contaminated if it has been used with any substances classified as hazardous under EU Directive 67 548 EEC as amended or OSHA Occupational Safety 29 CFR 1910 If your equipment has been used with radioactive substances biological or infectious agents mercury polychlorinated biphenyls PCB s dioxins or sodium azide you must decontaminate it before you return it to BOC Edwards You must send independent proof of decontamination for example a certificate of analysis to BOC Edwards with the Declaration HS2 Phone BOC Edwards for advice If your equipment is contaminated you must either e Remove all traces of contamination to the satisfaction of laws governing the transportation of dangerous hazardous substances e Or properly classify the hazard mark manifest and ship the equipment in accordance with applicable laws governing the shipment of hazardous materials Note Some contaminated equipment may not be suitable for airfreight PROCEDURE Contact BOC Edwards and obtain a Return Authorisation Number for your equipment Complete the Return of BOC Edwards Equipment Declaration HS2 If the equipment is contaminated you must contact your transporter to ensure that you properly classify the hazard mark manifest and ship the equipment in accordance with applicable laws governing the shipment of contaminated hazardous materials As the person offering
51. ust and debris if you use air as the gas ballast supply If you want to use a different gas for the gas ballast supply or if you want to connect a valve to the gas ballast inlet 1 Remove the filters as described in Section 5 6 2 Connect your gas supply or valve to the 1 4 inch BSP threaded hole 3 11 Leak test the system Leak test the system and seal any leaks found after you have installed the pump to prevent leakage of substances out of the system and leakage of air into the system Issue K ine Jul 05 Issue K M BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps OPERATION WARNING Do not expose any part of your body to vacuum If you do you may be injured ATEX directive implications Introduction 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 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 p
52. uter sheath of the electrical supply cable must be within the range 7 to 10 5 mm The cable must conform in size and colour coding with your local and national electrical installation regulations The temperature rating of the cable must be 70 C or greater Pump Item Number Voltage Frequency Connection details V Hz refer to Figure A373 16 903 all 50 60 6 A373 15 903 A374 15 903 all 50 60 3 A373 15 981 A374 15 981 115 60 4 230 60 5 A373 15 904 A374 15 904 100 50 4 100 105 60 4 200 50 5 200 210 60 5 A373 17 984 all 50 60 7 Table 8 Motor connection details Issue K ee Jul 05 M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps 3 6 2 Standard single phase motors 1 Remove the cover from the motor terminal box Figure 1 item 8 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 Pass the electrical supply cable through the gland Remove the receptacle connectors from the fitting pack Fit a ring connector to the earth ground wire su e w Select the correct size of receptacle connectors for your cable wires Use the red connectors for wire sizes 0 75 to 1 5 mm Use the blue connectors for wire sizes 1 5 to 2 5 mm NOILVTIVLSNI 7 Attach the appropriate connector to the live and neutral wires 8 Connect the electrical supply cable to the appropriate t
53. with single phase motor Figure 2 Dimensions mm key Issue K 8 se Jul 05 M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps AW 6411 B A mel 584 10 peee 241 B 28 12 347 111 das G 553 ME EO NARDS 28 Figure 2 Dimensions mm Issue K D 9 n Jul 05 VLVG TIVOINHO4AL M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps This page intentionally blank Issue K es 9 ee Jul 05 M BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps 3 INSTALLATION 3 1 Safety WARNING If you use a hydrocarbon oil in this pump you must not use the 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 WARNING You must not use the E2M28 or E2M30 pump to pump hazardous substances Z N gt Zz gt O Z WARNING Obey the safety instructions listed below and take note of appropriate precautions If you do not you can cause injury to people and damage to equipment A suitably trained and supervised technician must install the pump Wear the appropriate safety clothing when you come into contact with contaminated components Vent and purge your vacuum system before you start inst
54. y Full load Start Maximum V Hz current current fuse A A rating A 200 220 50 3 8 22 8 16 380 415 50 2 3 14 3 10 A373 10 940 A374 10 940 200 230 60 39 220 16 460 60 2 3 14 6 10 Motor output rating continuous 50 Hz operation 0 75 kW 60 Hz operation 0 90 kW Table 5 Electrical data three phase motors Pump Item Number Voltage Frequency Full load Start Maximum V Hz current current fuse A A rating A A373 15 903 A373 16 903 220 240 50 4 8 33 15 A374 15 903 230 240 60 5 0 33 15 115 60 11 0 71 40 A373 15 981 A374 15 981 230 60 55 36 20 100 50 12 0 80 30 100 105 60 12 0 80 30 A373 15 904 A374 15 904 200 50 65 40 20 200 210 60 5 5 40 20 110 50 12 0 36 30 115 120 60 12 0 50 30 Batiste 200 240 50 6 0 27 15 200 230 60 6 5 32 15 Motor output rating continuous 50 Hz operation 0 75 kW 60 Hz operation 0 90 kW Table 6 Electrical data single phase motors Issue K Jul 05 VLVG TIVWOINHOAL M7 BOC EDWARDS E2M28 and E2M30 Rotary Vacuum Pumps m O L Pump Item Number Dimension mm Z Single phase motors A B O gt A373 15 903 A373 16 903 A374 15 903 251 A A373 15 981 A374 15 981 598 251 gt A373 15 904 A374 15 904 598 251 A373 17 984 251 Three phase motors A373 10 940 A374 10 940 217 1 Top view of pump with single phase motor 2 Side view of pump with single phase motor 3 Side view of pump with three phase motor 4 Front view of pump
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