BOC E2M28 Page 9 Instruction Manual Download

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E2M28 and E2M30 Rotary Vacuum Pumps

INT

ODUCTI

PAGE

Issue K

Jul 05

Figure 1 – The E2M28/E2M30 pump

Oil filler

Outlet nozzle

Gas-ballast control

Gas-ballast inlet

Centring-ring and ‘O’ ring (supplied)

Inlet-port (adaptor flange)

Cable-gland/Amphenol connector position

Motor terminal box

On/Off switch

10.

Baseplate

11.

Oil drain-plug (gravity drain)

12.

Oil sight-glass

13.

Pump identification label

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 Number A373-17-984. On this pump, items 7 and 9 are

transposed, with Item 7 being an IEC60320 16-20 Amp socket.

Summary of Contents for E2M28

Page 1: ...40 E2M28 200 240 V 50 Hz or 230 240 V 60 Hz single phase Amphenol A373 16 903 E2M28 110 200 240 V 50 Hz or 115 120 200 230 V 60 Hz single phase A373 17 984 E2M28 FF 220 240 V 50 Hz or 230 240 V 60 Hz...

Page 2: ...dGenerators C22 2 No1010 1 t992 Safety Requirements for Electrical Equipment for Measurement Control andLaboratory Use Part1 General Requirements UL61010A 2002 Electrical Equipment for Laboratory Use...

Page 3: ...rd single phase motors 15 3 6 3 Amphenol version single phase motors 15 3 6 4 110 200 240 V 50 Hz or 115 120 200 230 V 60 Hz single phase motors 15 3 7 Electrical installation three phase motors 19 3...

Page 4: ...mp surface temperature is above 100 oC 34 5 11 6 The vacuum is not maintained after the pump is switched off 35 5 11 7 The pumping speed is poor 35 5 11 8 There is an external oil leak 35 6 STORAGE AN...

Page 5: ...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 Rem...

Page 6: ...E2M28 and E2M30 Rotary Vacuum Pumps PAGE iv Issue K iv Jul 05 This page intentionally blank...

Page 7: ...ructions you must obey these instructions The use of WARNINGS and CAUTIONS is defined below The units used throughout this manual conform to the SI international system of units of measurement The fol...

Page 8: ...table 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 r...

Page 9: ...e gland Amphenol connector position 8 Motor terminal box 9 On Off switch 10 Baseplate 11 Oil drain plug gravity drain 12 Oil sight glass 13 Pump identification label Notes A pump with a single phase m...

Page 10: ...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...

Page 11: ...vacuum with ambient temperature of 20 oC Table 1 Operating and storage conditions Maximum displacement E2M28 E2M30 50 Hz electrical supply 32 2 m3 h 1 19 cfm 60 Hz electrical supply 38 9 m3 h 1 23 cfm...

Page 12: ...mperatures lower than 13 C the start up current will be drawn for longer this may cause the motor thermal overload device to open Approximate pump mass 44 kg Dimensions See Figure 2 Degree of protecti...

Page 13: ...al data three phase motors Pump Item Number Voltage V Frequency Hz Full load current A Start current A Maximum fuse rating A A373 15 903 A373 16 903 A374 15 903 220 240 230 240 50 60 4 8 5 0 33 33 15...

Page 14: ...rs A B A373 15 903 A373 16 903 A374 15 903 251 A373 15 981 A374 15 981 598 251 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 si...

Page 15: ...E2M28 and E2M30 Rotary Vacuum Pumps TECHNICAL DATA PAGE 9 Issue K 9 Jul 05 Figure 2 Dimensions mm...

Page 16: ...E2M28 and E2M30 Rotary Vacuum Pumps PAGE 10 Issue K 10 Jul 05 This page intentionally blank...

Page 17: ...y 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...

Page 18: ...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 3 3...

Page 19: ...rature around the pump does not exceed 40 oC There must be a minimum space of 25 mm between the pump and the enclosure walls 3 5 Fill the pump with oil Fill the pump with oil as described below Refer...

Page 20: ...ical 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...

Page 21: ...se 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 e...

Page 22: ...Jul 05 Figure 3 Electrical supply connection single phase motors 220 240 V 50 Hz and 230 240 V 60 Hz Figure 4 Electrical supply connection single phase motors 100 V 50 Hz 100 105 V 60 Hz and 115 V 60...

Page 23: ...nection single phase motors 200 V 50 Hz 200 210 V 60 Hz and 230 V 60 Hz Figure 6 Electrical supply connection single phase motors with Amphenol connector 220 240 V 50 Hz and 230 240 V 60 Hz Wire colou...

Page 24: ...e motors 110 200 240 V 50 Hz and 115 120 200 240 V 60 Hz A Top view of motor B Internal view of top of motor 1 Terminal box cover 2 Electrical inlet socket 3 On Off switch 4 Position I on 5 Position O...

Page 25: ...lour coding with your local and national electrical installation regulations The temperature rating of the cable must be 70 oC or greater 1 Remove the cover from the motor terminal box 2 Remove the ca...

Page 26: ...ernal diameter not less than the inlet port diameter Support the vacuum pipelines to prevent loading of the coupling joints If necessary incorporate flexible bellows in your system pipelines to reduce...

Page 27: ...m Pumps INSTALLATION PAGE 21 Issue K 21 Jul 05 Figure 8 Electrical supply connection three phase motors 200 220 V 50 Hz and 200 230 V 60 Hz Figure 9 Electrical supply connection three phase motors 380...

Page 28: ...the 3 4 inch BSP threaded hole 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 b...

Page 29: ...als 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 ap...

Page 30: ...low 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 Safe...

Page 31: ...p 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 spec...

Page 32: ...he 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 o...

Page 33: ...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 p...

Page 34: ...E2M28 and E2M30 Rotary Vacuum Pumps PAGE 28 Issue K 28 Jul 05 This page intentionally blank...

Page 35: ...if the pump has been heated to 260 oC 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...

Page 36: ...ump This lowers the viscosity of the oil and allows the oil to be drained from the pump more easily 2 Isolate the pump from your electrical supply and disconnect it from your vacuum system 3 Remove th...

Page 37: ...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...

Page 38: ...Remove the retainer 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 re...

Page 39: ...ce of the pump motor in accordance with local regulations for periodic testing of electrical equipment We recommend that The earth ground continuity is less than 0 1 Insulation resistance is greater t...

Page 40: ...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 The motor b...

Page 41: ...missing The shaft seals have deteriorated 5 11 7 The pumping speed is poor The connecting pipelines are too small in diameter The connecting pipelines are too long The inlet filter is blocked 5 11 8...

Page 42: ...E2M28 and E2M30 Rotary Vacuum Pumps PAGE 36 Issue K 36 Jul 05 This page intentionally blank...

Page 43: ...tore 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 ove...

Page 44: ...E2M28 and E2M30 Rotary Vacuum Pumps PAGE 38 Issue K 38 Jul 05 This page intentionally blank...

Page 45: ...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 retur...

Page 46: ...he 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 wi...

Page 47: ...ul 05 Figure 12 Accessories 1 Inlet Catchpot 2 Inlet Dust Filter 3 Inlet Desiccant Trap 4 Inlet Chemical Trap 5 Gas Ballast Valve 6 Banjo Elbow Assembly 7 Solenoid operated pipeline valve 8 Foreline T...

Page 48: ...plug to make the drainage of oil from the pump easier 7 4 11 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...

Page 49: ...hazardous materials Note Some contaminated equipment may not be suitable for airfreight PROCEDURE 1 Contact BOC Edwards and obtain a Return Authorisation Number for your equipment 2 Complete the Retur...

Page 50: ...roof of decontamination YOU MUST CONTACT BOC EDWARDS FOR ADVICE BEFORE YOU RETURN SUCH EQUIPMENT Print your name _________________________________Print your job title _________________________ Print y...

Page 51: ...This page intentionally blank...

Page 52: ...C EDWARDS Ammerthalstra e 36 85551 Kirchheim Munich Tel 49 89 99 19 18 0 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...

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