Edwards A373-30-940 Instruction Manual Download Page 1

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A373-10-880

Issue R Original

Instruction Manual

E2M28 and E2M30 Rotary Vacuum Pumps

Description

Item Number

E2M28, 100/200 V, 50 Hz or 100-105/200-210 V, 60 Hz, single-phase

A373-15-904

E2M28, 115/230 V, 60 Hz, single-phase

A373-15-981

E2M28, 200-240 V, 50 Hz, or 230-240 V, 60 Hz, single-phase

A373-15-903

E2M28, 200-220/380-415 V, 50 Hz, or 200-230/460 V, 60 Hz, three-phase

A373-30-940

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

E2M28FF, 110/220-240 V, 50 Hz, or 115/200-230 V, 60 Hz, single-phase, (Fomblin) filled

A373-25-984

E2M28-FF, 220/240 V, 50 Hz, or 230/240 V, 60 Hz, single-phase

A373-25-903

E2M28-FF, 200-220/380-415 V, 50 Hz, or 200-230/460 V, 60 Hz, three-phase

A373-41-940

E2M30, 100/200 V, 50 Hz or 100-105/200-210 V, 60 Hz, single-phase

A374-15-904

E2M30, 115/230 V, 60 Hz, single-phase

A374-15-981

E2M30, 200-240 V, 50 Hz, or 230-240 V, 60 Hz, single-phase

A374-15-903

Summary of Contents for A373-30-940

Page 1: ...28 200 240 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 E2M28FF 110 220 240 V 50 Hz or 115 200 230 V 60 Hz single phase Fomblin filled A373 25 984 E2M28 FF 220 240 V 50 Hz or 230 240 V 60 Hz single phase A373 25 903 E2M28 FF 200 220 380 415 V 50 Hz or 200 230 460 V 60 Hz three phase A373 41 940 E2M30 100 ...

Page 2: ...n potentially explosive atmospheres Protection by constructional safety c EN60034 1 2004 Rotating electrical machines Rating and performance C22 2 No77 1995 Motors with inherent overheating protection C22 2 No100 2004 Motors and Generators C22 2 61010 1 04 2004 Safety requirements for electrical equipment for measurement Control and laboratory use Part 1 General requirements UL61010A 2002 Safety r...

Page 3: ...otors 12 3 6 3 Amphenol version single phase motors 12 3 6 4 110 200 240 V 50 Hz or 115 120 200 230 V 60 Hz single phase motors 12 3 7 Electrical installation three phase motors 16 3 7 1 Connect the electrical supply to the motor 16 3 7 2 Check the direction of rotation 17 3 8 Connect the pump inlet 17 3 9 Connect the pump outlet 18 3 10 Gas ballast inlet connection 18 3 11 Leak test the system 18...

Page 4: ...d off 29 5 11 7 The pumping speed is poor 29 5 11 8 There is an external oil leak 29 6 Storage and disposal 31 6 1 Storage 31 6 2 Disposal 31 7 Service spares and accessories 33 7 1 Introduction 33 7 2 Service 33 7 3 Spares 33 7 4 Capacitor selection table 34 7 5 Accessories 35 7 5 1 Introduction 35 7 5 2 Inlet catchpot 35 7 5 3 Inlet dust filter 35 7 5 4 Inlet desiccant trap 35 7 5 5 Inlet chemic...

Page 5: ...nd 230 240 V 60 Hz 15 7 Motor voltage selection single phase motors 110 200 240 V 50 Hz and 115 120 200 240 V 60 Hz 16 8 Remove replace the inlet filter 25 9 Remove replace the gas ballast filter 26 10 Accessories 36 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 ph...

Page 7: ...lighted as WARNING and CAUTION instructions you must obey these instructions The use of WARNINGS and CAUTIONS is defined below 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 ar...

Page 8: ... 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 r...

Page 9: ... 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 1 Oil filler 2 Outlet nozzle 3 Gas ballast control 4 Gas ballast inlet 5 Centring ring and O ring supplied 6 Inlet port adaptor flange 7 Cable gland Amphenol connector position 8 Motor terminal box 9 On Off switch 10 Box section skids 1...

Page 10: ...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 suckback unless the gas ballast valve is open For protection in this case refer to Section 1 4 You can ...

Page 11: ...with ambient temperature of 20 C 45 to 65 C Maximum humidity operation 90 RH Maximum altitude operation 2000 m Pollution degree 2 Installation category II Noise level at 1 metre 57 dB A at 50 Hz Vibration severity Measured at the inlet port to ISO 2372 1974 Class 1C Table 2 Performance data Maximum displacement E2M28 E2M30 50 Hz electrical supply 32 2 m3 h 1 19 cfm 60 Hz electrical supply 38 9 m3 ...

Page 12: ... kg Dimensions Refer to 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 4 Lubrication data Hydrocarbon pumps Recommended oil To operate the pump when the ambient temperatur...

Page 13: ... 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 Table 5 Electrical data three phase motors Pump Item Number Voltage V Frequency Hz A373 30 940 A373 41 940 200 220 50 380 415 50 200 230 60 460 60 Motor output rating continuous 50 Hz operation 0 75 kW 60 Hz operation 0 90 kW Table 6 Electrical data single phase m...

Page 14: ... 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 with single phase motor Pump Item Number Dimension mm Single phase motors 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 A373 25 984 251 Three phase motors A373 30 940 A373 41 940 217 ...

Page 15: ... Associated Publication at the end of the contents list at the front of this manual 3 2 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...

Page 16: ...n Section 6 1 3 4 Locate the pump The pump can be either free standing on its box section skids or be fixed by bolts through the four fixing holes in the box section skids or be used with vibration isolators For the locations of the fixing holes in the box section skids 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...

Page 17: ...age corresponds with the voltage specified on the motor data plate 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 on the motor rating plate The fuse ratings must be calculated by a qualified electrician The supplier of your thermal over ...

Page 18: ...x 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 ...

Page 19: ...ds Limited Installation A373 10 880 Issue R 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 Hz Wire colour codes BN Brown VT Violet GY Grey WH White OR Orange ...

Page 20: ...ights reserved Edwards and the Edwards logo are trademarks of Edwards Limited Installation Figure 5 Electrical supply connection single phase motors 200 V 50 Hz 200 210 V 60 Hz and 230 V 60 Hz Wire colour codes BN Brown VT Violet GY Grey WH White OR Orange ...

Page 21: ...s and the Edwards logo are trademarks of Edwards Limited Installation A373 10 880 Issue R Figure 6 Electrical supply connection single phase motors with Amphenol connector 220 240 V 50 Hz and 230 240 V 60 Hz 1 Live 2 Neutral 3 Not used Earth ground Pin codes ...

Page 22: ...l 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 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 sui...

Page 23: ...e 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 and secure with the screws 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 th...

Page 24: ...usted 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 Remove the outlet nozzle and replace it with an NW25 flange adaptor available a...

Page 25: ... 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 throug...

Page 26: ...tinually 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 Gas ballast control Use the gas ballast control Figure 1 item 3 to change the...

Page 27: ... vapours or to decontaminate the pump oil refer to the procedures in Section 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...

Page 28: ...erating 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 d...

Page 29: ...und 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 Edwards Material Safety Data sheets for fluori...

Page 30: ...ackets 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 2 Isolate the pump from your electrical supply and disconnect it from your vacuum system 3 Remove the oil filler plug 1 4 Place a suitable block under the pump motor to tilt the pump and place a suitable con...

Page 31: ... 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 8 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 filt...

Page 32: ...g 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 Figure 9 Remove replace the gas ballast filter 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 ...

Page 33: ... Fit new blades to the pump as described in the instructions supplied with the blade kit refer to Section 7 3 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 Edwards Service Centre for ...

Page 34: ...mp has not warmed up 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 The motor bearings are worn The oil is contaminated with solid particles One of the pump blades is sticking 5 11 5 The pump surface temperature is above 100 C The ambient tem...

Page 35: ...ntrol is open O ring s are damaged or 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 There is an external oil leak The oil pump shaft seal is worn or damaged The oil box gasket has deteriorated There is an oil leak from gas ballast control There is...

Page 37: ... the pump with dry nitrogen and disconnect the pump from your vacuum system 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 Note 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 over...

Page 39: ...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 option...

Page 40: ...0 A07110036 20µF White A50591813 A07110037 20µF White A50591813 A07110039 30µF White A50591814 A07110040 80µF Silver A50591800 Table 12 Capacitor kit selection table Pump Type Pump Part Number Motor Part number Capacitor Kit E2M28 A37315903 A07110028 A50591813 A37315904 A07110033 A50591800 A37315981 A07110032 A50591800 A37316903 A07110036 A50591813 A37317984 A07110039 A50591814 A37319903 A07110037...

Page 41: ...ap The Inlet Chemical Trap protects the pump against chemically active gases 7 5 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 Table 13 Accessory item numbers Accessory Item Number ITO20K Inlet Catchpot A441 10 000 ITF20K Inlet Dust Filter A44...

Page 42: ...ds Limited Service spares and accessories Figure 10 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 trap 9 Outlet mist filter 10 NW25 adaptor 11 Vibration isolators 12 Oil drain extension ...

Page 43: ...port on the pump and the oil drain plug to make the drainage of oil from the pump easier 7 5 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 to connect 28 mm bore plastic or rubber tube 7 5 12 Flexible bellows Use Flexible Bellows to connect the pump inlet to your vacuum system We recommend that you use b...

Page 45: ...e pump or the PFPE oil has overheated 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 when heated to 260 C and above The pump may have overheated if misused malfunctioned or if it was in a fire Material Safety Data Sheets for PFPE o...

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