Edwards E2M28 Instruction Manual
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Edwards E2M28 Instruction Manual

Rotary vacuum pumps
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E2M28 and E2M30 Rotary
Vacuum Pumps
INSTRUCTION MANUAL
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, 380/400 V, 50 Hz, or 230/460 V, 60 Hz, three-phase
E2M28, 200 V 50/60 Hz, or 380 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, 110/220-240 V, 50 Hz, or 115/200-230 V, 60 Hz, single-phase, (Fomblin) filled
E2M28-FF, 220/240 V, 50 Hz, or 230/240 V, 60 Hz, single-phase
E2M28-FF, 380/400 V, 50 Hz, or 230/460 V, 60 Hz, three-phase
E2M28-FF, 200 V, 50/60 Hz, or 380 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
A37310880_V
edwardsvacuum.com
ITEM NUMBER
A37315904
A37315981
A37315903
A37333940
A37333934
A37316903
A37317984
A37325984
A37325903
A37343940
A37343934
A37415904
A37415981
A37415903
Original instructions

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Summary of Contents for Edwards E2M28

  • Page 1 E2M28, 200-240 V, 50 Hz, or 230-240 V, 60 Hz, single-phase (Amphenol) A37316903 E2M28, 110/200-240 V, 50 Hz, or 115-120/200-230 V, 60 Hz, single-phase A37317984 E2M28-FF, 110/220-240 V, 50 Hz, or 115/200-230 V, 60 Hz, single-phase, (Fomblin) filled A37325984 E2M28-FF, 220/240 V, 50 Hz, or 230/240 V, 60 Hz, single-phase A37325903...
  • Page 2 EMF3, EMF10 and EMF20 oil mist filters A46226880 Trademark credit Edwards and the Edwards logo are trademarks of Edwards Limited, Innovation Drive, Burgess Hill, West Sussex RH15 9TW. Disclaimer The content of this manual may change from time to time without notice. We accept no liability for any errors that may appear in this manual nor do we make any expressed or implied warranties regarding the content.
  • Page 3 RH15 9TW The following product AXXX - Pump type Variant Motor description 373 = E2M28 01 to 99 903 = 220V/240V 50/60Hz Single Phase 374 = E2M30 904 = 100V/200V 50/60Hz Single Phase 930 = 220V/240V 50/60Hz Single Phase 934 = 220V/380V 60Hz Three Phase...
  • Page 4 Documentation Officer: Jelena Havelkova, Spielberk Office Centre, Holandska 10, Brno, 63900 Czech Republic, : +42(0) 734 418 896, : documentation@edwardsvacuum.com This declaration, based on the requirements of the listed Directives and EN ISO/IEC 17050-1, covers all product serial numbers from this date on: 21 May 2020.
  • Page 5 Additional Legislation and Compliance Information EU RoHS Directive: Material Exemption Information This product is compliant with the following Annex III Exemptions 6(b) Lead as an alloying element in aluminium containing up to 0.4% by weight • 6(c) Copper alloy containing up to 4% lead by weight •...
  • Page 6 This page has been intentionally left blank.

  • Page 7: Table Of Contents

    Contents 1. Safety and compliance........7 1.1 Definition of Warnings and Cautions.
  • Page 8 5.2 Gas-ballast control..........29 5.3 Start-up.
  • Page 9 10.3.7 Foreline trap..........46 10.3.8 Vibration isolators.
  • Page 10 List of Figures Figure 1: General view of the pump..........11 Figure 2: Single-phase motors: Dimensions mm (inches).

  • Page 11: Safety And Compliance

    A37310880_V - Safety and compliance 1. Safety and compliance 1.1 Definition of Warnings and Cautions NOTICE: This manual meets our obligation to provide you with information. For safe operation from the start, read these instructions carefully before you install or commission the equipment.
  • Page 12 A37310880_V - Safety and compliance Warning - refer to accompanying documentation. Warning - risk of electric shock. Warning - hot surfaces. Warning - do not block the pump outlet Warning - use protective equipment. Indicates that protective equipment must be used. Page 8...

  • Page 13: Introduction

    A37310880_V - Introduction 2. Introduction 2.1 Scope and definitions This manual provides installation, operation and maintenance instructions for our rotary vacuum pumps. The pump must be used as specified in this manual. Read this manual before installing and operating the pump. 2.2 ATEX directive implications This equipment is designed to meet the requirements of Group II Category 3 equipment in accordance with Directive 2014/34/EU of the European Parliament and the Council of...
  • Page 14 A37310880_V - Introduction 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.

  • Page 15: Gas-Ballast

    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 A37317984. On this pump, cable-gland/amphenol connector position and on/off switch are transposed, with cable-gland/amphenol connector position being an IEC60320 16-20 Amp socket.

  • Page 16: Technical Data

    Figure: Dimensions (mm) on page 14 below, measurements were taken using an untrapped total pressure capacitance diaphragm gauge on a header, as specified by Pneurop standards. Table 2 Performance data Parameter E2M28 E2M30 50 Hz electrical supply 19 cfm 32.2 m 60 Hz electrical supply 23 cfm 38.9 m...

  • Page 17: Mechanical Data

    A37310880_V - Technical data Parameter E2M28 E2M30 60 Hz electrical supply 1720 r min 1720 r min Ultimate vacuum without gas-ballast (partial pressure) 1 x 10 mbar 7 x 10 torr 1 x 10 without gas-ballast (total pressure) 1 x 10...

  • Page 18: Figure 2 Single-Phase Motors: Dimensions Mm (Inches)

    A37310880_V - Technical data Figure 2 Single-phase motors: Dimensions mm (inches) 598 (23.54) 584 (22.99) 180 (7.09) 12 (0.47) 317 (12.48) 60 (2.36) 12 (0.47) 347 (13.66) 111 (4.37) 170 (6.69) 241 (9.49) 25 (0.98) Figure 3 Three-phase motors: Dimensions mm (Inches) 553 (21.77) 180 (7.09) 12 (0.47)

  • Page 19: Lubrication Data

    A37310880_V - Technical data 3.4 Lubrication data Note: Manufacturers Material Safety Data Sheets for the oils specified below are available upon request. Table 4 Lubrication data Hydrocarbon pumps: Recommended oil* Ultragrade 19 Maximum oil capacity 1.32 litres PFPE - prepared EM pumps: Recommended oil* Krytox 1506 or Fomblin 06/6 Maximum oil capacity...
  • Page 20 A37310880_V - Technical data Pump item number Voltage (V) Frequency (Hz) 100-105 200-210 A37317984, A37325984 115-120 200-240 200-230 Motor output rating (continuous) 50 Hz operation 0.75 kW 60 Hz operation 0.90 kW Table 7 Recommended cord sets for -984 pump variants and cable specifications Description Rating Coupler type...

  • Page 21: Installation

    A37310880_V - Installation 4. Installation 4.1 Safety WARNING: Ensure that the installation technician is familiar with the safety procedures which relate to the pump oil and the products handled by the pumping system. WARNING: If a hydrocarbon oil is used in this pump, do not use the pump to process oxygen in concentrations greater than 25% in volume.

  • Page 22: Unpack And Inspect

    A37310880_V - Installation ▪ Avoid high levels of heat input to the pump from the process gases, otherwise the pump may overheat and seize, and cause the motor thermal overload device to open. ▪ If using the pump in a high ambient temperature with a high gas throughput, the temperature of the pump body may exceed 70 °C.

  • Page 23: Fill The Pump With Oil

    A37310880_V - Installation For the locations of the fixing holes in the box section skids refer to Figure: Dimensions (mm) on page 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.

  • Page 24: Amphenol Version Single-Phase Motors

    A37310880_V - Installation device may specify fuse ratings to ensure correct operation of the over-current protection device. Ensure that the fuse used is suitable for the starting currents given on the motor rating plate. The diameter of the outer sheath of the electrical supply cable must be within the range 7 mm to 10.5 mm.

  • Page 25: Standard Single-Phase Motors

    A37310880_V - Installation 4.6.2 Standard single-phase motors Remove the cover from the motor terminal box (Figure: General view of the pump on page 11). 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. Using a tool, tighten to a torque of 5 Nm.

  • Page 26: Figure 4 Single-Phase Motors: 220-240 V 50 Hz And 230-240 V 60 Hz

    A37310880_V - Installation Figure 4 Single-phase motors: 220-240 V 50 Hz and 230-240 V 60 Hz Figure 5 Single-phase motors: 100 V 50 Hz, 100-105 V 60 Hz and 115 V 60 Hz Wire colour codes: Brown Violet Grey White Orange Page 22...

  • Page 27: Figure 6 Single-Phase Motors: 200 V 50 Hz, 200-210 V 60 Hz And 230 V 60 Hz

    A37310880_V - Installation Figure 6 Single-phase motors: 200 V 50 Hz, 200-210 V 60 Hz and 230 V 60 Hz Wire colour codes: Brown Violet Grey White Orange Figure 7 Single-phase motors with Amphenol connector: 220-240 V 50 Hz and 230-240 V 60 Hz Pin codes: Live Neutral...

  • Page 28: Electrical Installation: Three-Phase Motors

    A37310880_V - Installation Figure 8 Motor voltage selection: single-phase motors, 110/200-240 V 50 Hz and 115-120/200-240 V 60 Hz A. Top view of motor A. Top view of motor B. Internal view of top of motor B. Internal view of top of motor C.

  • Page 29: Check The Direction Of Rotation

    A37310880_V - Installation We recommends connecting the electrical supply to the motor through a starter or circuit breaker that has thermal over-current protection and 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 person.

  • Page 30: Connect The Pump Inlet

    A37310880_V - Installation 4.8 Connect the pump inlet Take note of the following information when connecting the pump to the vacuum system. Refer to Accessories on page 44 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.

  • Page 31: Gas-Ballast Inlet Connection

    A37310880_V - Installation ▪ 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 as an optional accessory, refer to Pump outlet adaptor on page 47) and then connect to the NW25 flange.

  • Page 32: Operation

    A37310880_V - Operation 5. Operation WARNING: Do not expose any part of the human body to vacuum. Failure to obey this warning could result in injury. Note: If the pump is PFPE-prepared, refer to PFPE-prepared EM pumps on page 5.1 ATEX directive implications This equipment is designed to meet the requirements of Group II Category 3 equipment in accordance with Directive 2014/34/EU of the European Parliament and the Council of 26th February 2014 on the approximation of the laws of the Member States concerning...

  • Page 33: Gas Purges

    A37310880_V - Operation ▪ 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. 5.1.2 Gas purges WARNING: If using inert gas purges to dilute dangerous gases to a safe level, ensure that the pump is shut down if an inert gas supply fails.

  • Page 34: Start-Up

    A37310880_V - Operation When operating 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. 5.3 Start-up WARNING: Do not block the pump outlet or allow the outlet pressure to rise above 1.5 bar absolute.

  • Page 35: To Pump Condensable Vapours

    A37310880_V - Operation 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. Close the gas-ballast control. Open the vacuum system isolation-valve and pump down to ultimate vacuum. 5.5 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:...

  • Page 36: Shut-Down

    A37310880_V - Operation 5.8 Shut-down Note: 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 Gas ballast valve on page 47).

  • Page 37: Maintenance

    A37310880_V - Maintenance 6. Maintenance 6.1 Safety information WARNING: Allow the pump to cool (so that it is at a safe temperature for skin contact) before starting maintenance work. Make sure the pump is switched off in case the thermal overload device restarts the pump.

  • Page 38: Maintenance Plan

    A37310880_V - Maintenance 6.2 Maintenance plan The plan shown in Table: Maintenance plan on page 34 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 required if the pump is used to process corrosive or abrasive gases and vapours, in these circumstances, we recommend you to replace the pump seals every year.

  • Page 39: Replace The Oil

    A37310880_V - Maintenance Check that the oil‑level in the oil sight‑glass 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 and pour more oil into the reservoir until the oil reaches the MAX level mark.

  • Page 40: Clean The Gas-Ballast Filter

    A37310880_V - Maintenance Figure 9 Remove/replace the inlet filter 1. Inlet adaptor 1. Inlet adaptor 2. O-ring 2. O-ring 3. Circlip 3. Circlip 4. Inlet-filter 4. Inlet-filter 6.6 Clean the gas-ballast filter Note: The gas-ballast filter may have been removed to connect a gas supply or valve to the gas-ballast inlet.

  • Page 41: Clean The Motor Fan-Cover And Enclosure

    A37310880_V - Maintenance Figure 10 Remove/replace the gas-ballast filter 1. Filter element 1. Filter element 2. Wire mesh 2. Wire mesh 3. Retainer circlip 3. Retainer circlip 6.7 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.

  • Page 42: Fit New Blades

    A37310880_V - Maintenance 6.10 Fit new blades Fit new blades to the pump as described in the instructions supplied with the blade kit (see Spares and accessories on page 43). Page 38...

  • Page 43: Fault Finding

    A37310880_V - Fault finding 7. Fault finding A list of fault conditions and their possible causes is provided in the following sections to assist in basic fault-finding. If unable to rectify a fault when using this guide, call the supplier or our nearest service centre for advice. 7.1 The pump has failed to start ▪...

  • Page 44: The Pump Surface Temperature Is Above 100 °C

    A37310880_V - Fault finding 7.4 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. ▪...

  • Page 45: Storage

    A37310880_V - Storage 8. Storage CAUTION: Observe the storage temperature limits stated in Technical data on page 12. Storage below - 30 °C will permanently damage the pump seals. Note: If you will store a new pump in conditions of high humidity, remove the pump from its cardboard packaging box, dispose of the box (refer to Disposal on page 42).

  • Page 46: Disposal

    A37310880_V - Disposal 9. Disposal Dispose of the pump, the oil and any components removed from the pump safely in accordance with all local and national safety and environmental requirements. Particular care must be taken with components and waste oil which have been contaminated with dangerous process substances.

  • Page 47: Spares And Accessories

    A37310880_V - Spares and accessories 10. Spares and accessories Our products, spares and accessories are available from our 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 our training courses.

  • Page 48: Accessories

    Pump part number Motor part number Capacitor kit A37315903 A07110028 A50591813 A37315904 A07110033 A50591800 A37315981 A07110032 A50591800 A37316903 A07110036 A50591813 A37317984 A07110039 A50591814 E2M28 A37319903 A07110037 A50591813 A37324904 A07110040 A50591800 A37324930 A07110028 A50591813 A37325903 A07110028 A50591813 A37325984 A07110039 A50591813 A37415903 A07110028...

  • Page 49: Figure 11 Accessories

    A37310880_V - Spares and accessories Figure 11 Accessories 1. Inlet catchpot 1. Inlet catchpot 2. Inlet dust filter 2. Inlet dust filter 3. Inlet desiccant trap 3. Inlet desiccant trap 4. Inlet chemical trap 4. Inlet chemical trap 5. Gas ballast valve 5.

  • Page 50: Inlet Catchpot

    A37310880_V - Spares and accessories Accessory Item number PV25EK Valve: 110/127 V, 1-phase, 50/60 C41303000 FL20K foreline trap A13305000 Vibration isolators (pack of four) A24801412 ODE 1/4 Oil drain extension A50503000 Pump inlet adaptor C10520201 Flexible bellows C10511670 Pump outlet adaptor C10501414 Gas ballast banjo elbow assembly A50006003...

  • Page 51: Vibration Isolators

    A37310880_V - Spares and accessories 10.3.8 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. 10.3.9 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.

  • Page 52: Pfpe-Prepared Em Pumps

    A37310880_V - PFPE-prepared EM pumps 11. PFPE-prepared EM pumps If a PFPE-prepared EM pump has been ordered, the pump will be supplied prepared for use with the manufacturers PFPE mechanical pump oils, such as Fomblin YVAC 06/6 and Krytox 1506. PFPE-prepared EM pumps are suitable for pumping high concentrations of oxygen.
  • Page 53 A37310880_V - PFPE-prepared EM pumps ▪ When filling the PFPE-prepared EM pump with Fomblin oil, we recommend regular checks for oil leaks, particularly around the shaft seals. ▪ If an oil leak is detected, contact us or the supplier for advice. Page 49...

  • Page 54: Service

    A37310880_V - Service 12. Service Our products are supported by a world‑wide network of our 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.
  • Page 55 A37310880_V - Service Page 51...
  • Page 56 edwardsvacuum.com...

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