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BOC E2M28 Instruction Manual

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Instruction Manual
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
A373–10–880 Issue K Original
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

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Summary of Contents for BOC E2M28

  • Page 1 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 A373-10-940 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...

  • Page 3: Table Of Contents

    E2M28 and E2M30 Rotary Vacuum Pumps CONTENTS PAGE Section Page INTRODUCTION Scope and definitions ATEX directive implications Description Gas-ballast TECHNICAL DATA Operating and storage conditions Performance Mechanical data Lubrication data Electrical data INSTALLATION Safety System design Unpack and inspect Locate the pump...
  • Page 4 E2M28 and E2M30 Rotary Vacuum Pumps Section Page MAINTENANCE PAGE 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 5.10...
  • Page 5 E2M28 and E2M30 Rotary Vacuum Pumps ILLUSTRATIONS PAGE Figure Page The E2M28/E2M30 pump Dimensions (mm): key Electrical supply connection: single-phase motors: 220-240 V 50 Hz and 230-240 V 60 Hz Electrical supply connection: single-phase motors: 100 V 50 Hz, 100-105 V 60 Hz...
  • Page 6 E2M28 and E2M30 Rotary Vacuum Pumps PAGE This page intentionally blank. Issue K Jul 05...

  • Page 7: Introduction

    PAGE 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;...

  • Page 8: Atex Directive Implications

    E2M28 and E2M30 Rotary Vacuum Pumps ATEX directive implications PAGE • 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.

  • Page 9: The E2M28/E2M30 Pump

    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.

  • Page 10: Description

    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 PAGE 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.

  • Page 11: Technical Data

    E2M28 and E2M30 Rotary Vacuum Pumps TECHNICAL DATA PAGE 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. Ambient temperature range (operation)

  • Page 12: Mechanical Data

    E2M28 and E2M30 Rotary Vacuum Pumps Mechanical data PAGE 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...

  • Page 13: Electrical Data: Three-Phase Motors

    E2M28 and E2M30 Rotary Vacuum Pumps PAGE Pump Item Number Voltage Frequency Full load Start Maximum (Hz) current current fuse rating (A) 200-220 22.8 380-415 14.3 A373-10-940, A374-10-940 200-230 22.0 14.6 Motor output rating (continuous) 50 Hz operation 0.75 kW 60 Hz operation 0.90 kW...

  • Page 14: Dimensions (Mm): Key

    E2M28 and E2M30 Rotary Vacuum Pumps PAGE Pump Item Number Dimension (mm) Single-phase motors A373-15-903, A373-16-903, A374-15-903 A373-15-981, A374-15-981 A373-15-904, A374-15-904 A373-17-984 Three-phase motors A373-10-940, A374-10-940 Top view of pump with single-phase motor Side view of pump with single-phase motor...
  • Page 15 E2M28 and E2M30 Rotary Vacuum Pumps PAGE Figure 2 – Dimensions (mm) Issue K Jul 05...
  • Page 16 E2M28 and E2M30 Rotary Vacuum Pumps PAGE This page intentionally blank. Issue K Jul 05...

  • Page 17: Installation

    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).

  • Page 18: System Design

    E2M28 and E2M30 Rotary Vacuum Pumps System design Consider the following points when you design your pumping system: PAGE • 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.

  • Page 19: Locate The Pump

    E2M28 and E2M30 Rotary Vacuum Pumps Locate the pump PAGE 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.

  • Page 20: Electrical Installation: Single-Phase Motors

    E2M28 and E2M30 Rotary Vacuum Pumps Electrical installation: single-phase motors PAGE 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.

  • Page 21: Standard Single-Phase Motors

    E2M28 and E2M30 Rotary Vacuum Pumps 3.6.2 Standard single-phase motors Remove the cover from the motor terminal box (Figure 1, item 8). PAGE 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.

  • Page 22: Electrical Supply Connection: Single-Phase Motors: 220-240 V 50 Hz And

    E2M28 and E2M30 Rotary Vacuum Pumps PAGE Figure 3 – Electrical supply connection: single-phase motors: 220-240 V 50 Hz and 230-240 V 60 Hz Wire colour codes: Brown Violet Grey White Orange Figure 4 – Electrical supply connection: single-phase motors: 100 V 50 Hz, 100-105 V 60 Hz and 115 V 60 Hz...

  • Page 23: Electrical Supply Connection, Single-Phase Motors: 200 V 50 Hz, 200-210 V 60 H

    E2M28 and E2M30 Rotary Vacuum Pumps PAGE Wire colour codes: Brown Violet Grey White Orange Figure 5 – Electrical supply connection, single-phase motors: 200 V 50 Hz, 200-210 V 60 Hz and 230 V 60 Hz Pin codes: Live Neutral...

  • Page 24: Motor Voltage Selection: Single-Phase Motors, 110/200-240 V 50 Hz And

    E2M28 and E2M30 Rotary Vacuum Pumps PAGE Top view of motor Terminal box cover Internal view of top of motor Electrical inlet socket On/Off switch Position 'I' (on) Position 'O' (off) Voltage selector switch Position 'II' (high voltage setting 200 – 240 V) Position 'I' (low voltage setting 110 –...

  • Page 25: Electrical Installation: Three-Phase Motors

    E2M28 and E2M30 Rotary Vacuum Pumps Electrical installation: three-phase motors 3.7.1 Connect the electrical supply to the motor PAGE 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.

  • Page 26: Check The Direction Of Rotation

    E2M28 and E2M30 Rotary Vacuum Pumps 3.7.2 Check the direction of rotation PAGE 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.

  • Page 27: Electrical Supply Connection, Three-Phase Motors: 200-220 V 50 Hz And

    E2M28 and E2M30 Rotary Vacuum Pumps PAGE 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: 380-415 V 50 Hz and 460 V 60 Hz...

  • Page 28: Connect The Pump Outlet

    E2M28 and E2M30 Rotary Vacuum Pumps Connect the pump outlet PAGE WARNING Connect the pump 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.

  • Page 29: Operation

    E2M28 and E2M30 Rotary Vacuum Pumps OPERATION PAGE WARNING Do not expose any part of your body to vacuum. If you do, you may be injured. ATEX directive implications 4.1.1 Introduction This equipment is designed to meet the requirements of Group II Category 3 equipment in accordance...

  • Page 30: Gas Purges

    E2M28 and E2M30 Rotary Vacuum Pumps 4.1.3 Gas purges PAGE 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.

  • Page 31: Start-Up

    E2M28 and E2M30 Rotary Vacuum Pumps Start-up PAGE 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.

  • Page 32: To Pump Condensable Vapours

    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 PAGE the process gases: Close the vacuum system isolation-valve. Turn the gas-ballast control anti-clockwise to fully open and operate the pump for 30 minutes to warm the oil;...

  • Page 33: Shut-Down

    E2M28 and E2M30 Rotary Vacuum Pumps Shut-down Note: If the gas-ballast control is open and the motor is switched off for any reason, the pump drive shaft may PAGE 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).
  • Page 34 E2M28 and E2M30 Rotary Vacuum Pumps PAGE This page intentionally blank. Issue K Jul 05...

  • Page 35: Maintenance

    E2M28 and E2M30 Rotary Vacuum Pumps MAINTENANCE PAGE 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.

  • Page 36: Check The Oil-Level

    E2M28 and E2M30 Rotary Vacuum Pumps Operation Frequency Refer to Section PAGE Check the oil level As required; at least monthly Replace the oil Every 3000 hours of operation Inspect and clean the inlet filter Every oil change Clean or replace the gas-ballast filter...

  • Page 37: Inspect And Clean The Inlet-Filter

    E2M28 and E2M30 Rotary Vacuum Pumps Refit the oil drain-plug, remove the block and reconnect the pump to your vacuum system. Fill a suitable container with clean oil and pour the oil into the filler hole until the oil-level reaches PAGE the MAX level mark on the bezel of the oil sight-glass (12).

  • Page 38: Clean The Gas-Ballast Filter

    E2M28 and E2M30 Rotary Vacuum Pumps 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. PAGE Refer to Figure 11. Remove the retainer circlip (3). Remove the protective wire mesh (2) and filter elements (1).

  • Page 39: Clean The Motor Fan-Cover And Enclosure

    E2M28 and E2M30 Rotary Vacuum Pumps 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 PAGE and the pump may overheat. Switch off the pump and disconnect it from the electrical supply.

  • Page 40: The Pump Fail To Achieve Specified Performance (Failure To Reach Ultimate Vacuum)

    E2M28 and E2M30 Rotary Vacuum Pumps 5.11.3 The pump fail to achieve specified performance (failure to reach ultimate vacuum) • Your measuring technique or gauge is unsuitable. PAGE • There is a leak in the external vacuum system. • The gas-ballast control is open.

  • Page 41: The Vacuum Is Not Maintained After The Pump Is Switched Off

    E2M28 and E2M30 Rotary Vacuum Pumps 5.11.6 The vacuum is not maintained after the pump is switched off • The gas-ballast control is open. PAGE • 'O' ring(s) are damaged or missing. • The shaft seals have deteriorated. 5.11.7 The pumping speed is poor •...
  • Page 42 E2M28 and E2M30 Rotary Vacuum Pumps PAGE This page intentionally blank. Issue K Jul 05...

  • Page 43: Storage And Disposal

    E2M28 and E2M30 Rotary Vacuum Pumps STORAGE AND DISPOSAL PAGE Storage CAUTION Observe the storage temperature limits stated in Section 2.1. Storage below these limits 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;...
  • Page 44 E2M28 and E2M30 Rotary Vacuum Pumps PAGE This page intentionally blank. Issue K Jul 05...

  • Page 45: Service, Spares And Accessories

    E2M28 and E2M30 Rotary Vacuum Pumps SERVICE, SPARES AND ACCESSORIES PAGE 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.

  • Page 46: Accessories

    7.4.1 Introduction PAGE A range of accessories is available for the E2M28 and E2M30 pumps, as shown in Figure 12. The accessories are briefly described in the following sections. Refer to Table 11 for the Item Numbers of these accessories.

  • Page 47: Accessories

    E2M28 and E2M30 Rotary Vacuum Pumps PAGE Inlet Catchpot Inlet Dust Filter Inlet Desiccant Trap Inlet Chemical Trap Gas Ballast Valve Banjo/Elbow Assembly Solenoid operated pipeline valve Foreline Trap Outlet Mist Filter NW25 Adaptor Vibration Isolators Oil Drain Extension Figure 12 – Accessories...

  • Page 48: Solenoid Operated Pipeline Valve

    E2M28 and E2M30 Rotary Vacuum Pumps 7.4.7 Solenoid Operated Pipeline Valve Fit the Pipeline Valve between your vacuum system and the pump inlet to provide additional system PAGE protection when the pump is switched off. 7.4.8 Foreline Trap Use a Foreline Trap on a clean pumping system to prevent back-migration of rotary pump oil vapour into your vacuum system.

  • Page 49: Return Of Boc Edwards Equipment

    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.
  • Page 50 Form HS2 Return Authorisation Number: Return of BOC Edwards Equipment - Declaration You must: • Know about all of the substances which have been used and produced in the equipment before you complete this Declaration • Read the Return of BOC Edwards Equipment - Procedure (HS1) before you complete this Declaration •...
  • Page 51 This page intentionally blank.
  • Page 52 UNITED KINGDOM CANADA ISRAEL CORPORATE HEADQUARTERS BOC EDWARDS EDWARDS ISRAEL VACUUM LTD. BOC EDWARDS 5975 Falbourne Street 5 Habarzel Blvd Manor Royal Mississauga, Ontario L5R3W6 Gat 2000 Industrial Zone Crawley Canada Qiryat Gat 82000 West Sussex Tel +(1) 905 501 2558 Tel +(972) 8 681 0633 RH10 9LW Fax +(1) 905 501 1632...

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