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A366-04-880

Issue A

Original Instructions

Instruction Manual

E2M175 and E2M275

Rotary Vacuum Pumps

Description

Item Number

E2M175 Rotary Vacuum Pump, 200 V 50/60 Hz, 380 V 60 Hz, three-phase

A366-04-934

E2M175 Rotary Vacuum Pump, 380/400 V 50 Hz, 230/460 V 60 Hz, three-phase

A366-04-940

E2M175 Rotary Vacuum Pump, 200 V, 50/60 Hz, 380 V 60 Hz 50/60 Hz, three-phase, Fomblin prepared

A366-17-934

E2M175 Rotary Vacuum Pump, 380/400 V 50 Hz, 230/460 V 60 Hz, three-phase, Fomblin prepared

A366-17-940

E2M175 Rotary Vacuum Pump, 200 V 50/60 Hz, 380 V 60 Hz 50/60 Hz, three-phase, Azide prepared

A366-07-934

E2M175 Rotary Vacuum Pump, 380/400 V 50 Hz, 230/460 V 60 Hz, three-phase, Azide prepared

A366-07-940

E2M275 Rotary Vacuum Pump, 200 V 50/60 Hz, 380 V 60 Hz 50/60 Hz, three-phase

A367-04-934

E2M275 Rotary Vacuum Pump, 380/400 V 50 Hz, 230/460 V 60 Hz, three-phase

A367-04-940

E2M275 Rotary Vacuum Pump, 200 V, 50/60 Hz, 380 V 60 Hz 50/60 Hz, three-phase, Fomblin prepared

A367-17-934

E2M275 Rotary Vacuum Pump, 380/400 V 50 Hz, 230/460 V 60 Hz, three-phase, Fomblin prepared

A367-17-940

E2M275 Rotary Vacuum Pump, 200 V 50/60 Hz, 380 V 60 Hz 50/60 Hz, three-phase, Azide prepared

A367-07-934

E2M275 Rotary Vacuum Pump, 380/400 V 50 Hz, 230/460 V 60 Hz, three-phase, Azide prepared

A367-07-940

Содержание A366-04-934

Страница 1: ... 380 V 60 Hz 50 60 Hz three phase Azide prepared A366 07 934 E2M175 Rotary Vacuum Pump 380 400 V 50 Hz 230 460 V 60 Hz three phase Azide prepared A366 07 940 E2M275 Rotary Vacuum Pump 200 V 50 60 Hz 380 V 60 Hz 50 60 Hz three phase A367 04 934 E2M275 Rotary Vacuum Pump 380 400 V 50 Hz 230 460 V 60 Hz three phase A367 04 940 E2M275 Rotary Vacuum Pump 200 V 50 60 Hz 380 V 60 Hz 50 60 Hz three phase ...

Страница 2: ... 13 3 7 Electrical installation 13 3 7 1 Connect the pump to your electrical supply 13 3 7 2 Check the direction of rotation 14 3 8 Connect the pump inlet to your system 14 3 9 Connect the pump outlet to your system 15 3 10 Gas ballast inlet connection 15 3 11 Leak test the system 15 4 Operation 17 4 1 Gas ballast control 17 4 2 Start up procedure 17 4 3 To achieve ultimate vacuum 17 4 4 To pump c...

Страница 3: ...ccessories 29 7 1 Introduction 29 7 2 Service 29 7 3 Spares 29 7 4 Accessories 30 7 4 1 Inlet dust filter 30 7 4 2 Inlet catchpot 30 7 4 3 High capacity inlet dust filter 30 7 4 4 Inlet chemical trap 30 7 4 5 Outlet catchpot 30 7 4 6 Outlet mist filter clean applications 31 7 4 7 External oil filter 31 7 4 8 Solenoid operated gas ballast control valve 31 7 4 9 Thermostatic control valve 31 7 4 10 ...

Страница 4: ...Vacuum pump and vacuum system safety P400 40 100 Ultragrade 15 19 and 20 oils P110 10 010 Vibration isolators A248 01 880 Oil return kits MF100 and 300 for E1M40 to E2M275 pumps A500 04 880 EOF300 external oil filter A500 09 880 EBV100S 300D and 300S gas ballast valves A500 18 881 EOF external oil filtration system A540 01 880 EOF adapter kit for E1M E2M175 and 275 A540 36 880 IT20K IT100 IT300 an...

Страница 6: ...y information is highlighted 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 follow...

Страница 7: ...trademarks of Edwards Limited Introduction Figure 1 The E2M175 pump 1 Gas ballast control 2 External oil filter connections 3 Oil filler plug 4 Outlet port 5 Inlet port 6 Motor terminal box 7 Oil filter location 8 Oil pressure gauge 9 Oil level sight glass 10 Oil drain tap 11 Cooling water connections ...

Страница 8: ...evel and condition of oil in the oil box through an oil level sight glass 9 An oil filler plug 3 is fitted at the top of the oil box An oil drain tap 10 is fitted at the bottom of the oil box The pump has an inlet port 5 with an ISO63 flange and an outlet port 4 with an ISO40 flange Connections for an external oil filter are provided 2 these are not shown in Figure 1 external oil filter outlet is ...

Страница 9: ...e maintained inside the pump For remote control fit a solenoid operated gas ballast control valve available as an accessory from Edwards refer to Section 7 to the gas ballast inlet and open the gas ballast control Connect the gas ballast valve to your control system so that the valve is closed when the pump is switched off and if the electrical supply to the pump is interrupted Under these circums...

Страница 10: ...placement m3h 1 50 Hz electrical supply 178 292 60 Hz electrical supply 214 350 Maximum Speed Pneurop m3h 1 50 Hz electrical supply 160 255 60 Hz electrical supply 196 306 Motor rotational speed r min 1 50 Hz electrical supply 1 440 1 440 60 Hz electrical supply 1 720 1 720 Ultimate vacuum without gas ballast partial pressure mbar Pa 10 4 10 2 10 4 10 2 without gas ballast total pressure mbar Pa 1...

Страница 13: ...erate with either the high range or low range electrical supply We endeavour to supply dual voltage motors preset to the highest of the selectable voltages For motor current information please refer to the motor rating plate Overall dimensions See Figure 2 E2M175 pumps and Figure 3 E2M275 pumps Degree of protection IEC 34 5 1981 IP55 Pump inlet port ISO63 flange with trapped O ring Pump outlet por...

Страница 14: ...et for the following oil is available on request Hydrocarbon Pumps Recommended oil Ultragrade 70 PFPE Prepared Pumps Recommended oil To operate your pump when the ambient temperature is outside the limits specified in Section 2 1 or to optimise your pump performance when you pump condensable vapours you may need to use a different oil Fomblin 16 6 E2M175 E2M275 Oil capacity litres Maximum 25 28 Mi...

Страница 16: ...from the electrical supply so that they cannot be operated accidentally 3 2 System design considerations Consider the following points when you design your pumping system Use a suitable valve to isolate the pump from your vacuum system if you need to allow the pump to warm up before you pump condensable vapours or if you need to maintain vacuum when the pump is switched off Avoid high levels of he...

Страница 17: ...any physical hazards For example trip hazards to personnel 3 5 Connect the pump to the cooling water Connect the two 3 8 in BSP internally threaded connections to the cooling water supply The maximum pressure that can be admitted to the cooling circuit is 3 bar and the recommended minimum cooling water supply flow rates at 20 C are Your pump will reach optimum operating temperature and will operat...

Страница 18: ...to the pump Figure 4 Oil level indication 4 Refit the oil filler plug Tighten the plug firmly by hand Do not over tighten 3 7 Electrical installation 3 7 1 Connect the pump to your electrical supply CAUTION If your pump motor can be used with more than one voltage range you must ensure that the motor is configured for your electrical supply voltage If you do not you may damage the motor Note The p...

Страница 19: ...9 or better 5 Pass the motor electrical supply cable through the cable gland 6 Connect the cables to the terminals as shown in the wiring diagram supplied in the motor terminal box 3 7 2 Check the direction of rotation CAUTION Ensure that the pump motor rotates in the correct direction If it does not the pump and your vacuum system can become pressurised 1 Watch the motor cooling fan through the m...

Страница 20: ...bar gauge 1 5 bar absolute 1 5 x 105 Pa at full pump throughput In the following circumstances we recommend that you fit an oil mist filter to the pump outlet 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 or if you frequently pump down from atmospheric pressure The mist filter will trap the oil exhaust...

Страница 22: ...ss drops slightly 3 to 5 mm after start up This shows that the pump has primed with oil 4 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 3 5 mm 5 If you want to achieve ultimate vacuum to pump condensable vapours or to decontaminate the pump oil refer to the procedures in Section 4...

Страница 23: ...scoloured it is contaminated with process vapours 1 Look at the condition of the oil in the sight glass Figure 1 item 9 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 4 6 Unattended operation The pump is designed for unattended ope...

Страница 24: ... or inhale the thermal breakdown products of fluorinated materials which may be present if the pump has been heated to 310 C and above Fluorinated materials are safe in normal use but can decompose into very dangerous substances which may include hydrofluoric acid if they are heated to 310 C and above The pump may have overheated if it was misused or if it was in a fire Health and Safety Data shee...

Страница 25: ... oil level while the pump is operating however you must switch off the pump and isolate the pump and other components in the pumping system from the electrical supply before you pour oil into the pump Refer to Figure 1 for the items in brackets 1 Check that the oil level in the sight glass 9 is between the MAX and MIN level marks indicated on the bezel of the sight glass see Figure 4 2 If the oil ...

Страница 26: ...n the drain tap and allow the oil to drain into the container 5 If the oil drained from the pump is contaminated pour clean oil into the filler hole and allow it to drain out of the pump Repeat this step until the oil reservoir in the pump has been thoroughly cleaned 6 Close the drain tap 7 Fill a suitable container with clean oil and pour the oil into the filler hole until the oil level reaches t...

Страница 27: ...e filter head plate 3 Remove the filter head plate and its gasket 5 from the pump end plate 1 4 Withdraw the filter adaptor assembly 2 with filter element attached from the pump end plate 5 Unscrew the filter element from the adaptor Clean the filter element in a suitable cleansing solution Allow the filter to dry 6 Screw the filter element firmly back into the adaptor 2 Replace the assembly back ...

Страница 28: ...ove the four retaining screws 4 securing the gas ballast adjustor knob bearing plate 2 4 Withdraw the adjustor knob bearing plate from the pump end plate 1 5 Replace the felt filter elements 6 There are two for E2M175 275 pumps Clean the assembly before re fitting new filter elements by washing in a suitable cleaning solution Allow the assembly to dry 6 Fit the filter elements Replace the assembly...

Страница 29: ...er 1 4 Clean the inlet filter by washing it in a suitable cleaning solution Allow the filter to dry 5 Replace items 1 and 2 6 Reconnect the pump to your vacuum system 7 Reconnect the electrical supply to your pump 5 8 Clean the motor fan cover You must keep the motor fan cover clean Your pump may overheat if the air flow over the motor is restricted 1 Isolate the pump from your electrical supply 2...

Страница 30: ...fy a fault when you use this guide call your nearest Edwards Service Centre for help 5 12 1 The pump has failed to start The electrical supply fuse is blown The electrical supply voltage does not match the motor The outlet pipeline or the outlet filter if fitted is blocked The oil temperature is below 12 C The oil is too viscous The oil is contaminated The pump has seized after long storage The pu...

Страница 31: ...illed the pump with the wrong type of oil The oil is contaminated The process gas is too hot or the throughput is too high 5 12 5 The vacuum is not fully maintained after the pump is switched off The gas ballast control is open Damaged or missing O ring Anti suckback valve faulty Shaft seals damaged Exhaust valve damaged 5 12 6 The pumping speed is poor The connecting pipelines are too small in di...

Страница 32: ... drain from the pump 5 Purge your vacuum system and the pump with dry nitrogen and disconnect the pump from your vacuum system 6 Replace the oil as described in Section 5 4 paragraphs 3 to 8 7 Place and secure protective covers over the inlet and outlet ports 8 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 p...

Страница 34: ... including equipment decontamination service exchange repair rebuild and testing to factory specifications Equipment which has been serviced repaired or rebuilt is returned with a full warranty Your local Service Centre can also provide Edwards engineers to support on site maintenance service or repair of your equipment For more information about service options contact your nearest Service Centre...

Страница 35: ... through a glass cover at the top of the filter The filter is supplied with bolts washers and 63 mm co seal 7 4 4 Inlet chemical trap The inlet chemical trap see Figure 8 item 1 protects your pump against chemically active gases which may attack your pump or pump oil You must provide the trapping material suitable for your application The trapping material is contained in a removable fine mesh con...

Страница 36: ... but removes abrasive particles down to 0 5 microns You must check that the external oil filter you choose is suitable for your application 7 4 8 Solenoid operated gas ballast control valve The solenoid operated gas ballast control valve see Figure 8 item 5 gives you automatic or remote control of gas ballast You can connect the valve to shut off gas ballast when the pump is switched off and so pr...

Страница 37: ... is floor or frame mounted You must use flexible bellows or other flexible piping between inlet and outlet connections when you fit vibration isolators Figure 8 Accessories Product Item Number Vibration Isolators set of 4 A248 01 406 1 Inlet dust filter or inlet catchpot or high capacity inlet dust filter or inlet chemical trap 2 External oil filter 3 Outlet catchpot or outlet mist filter 4 Vibrat...

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