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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 J
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 Edwards 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...
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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 Electrical data Lubrication data INSTALLATION Safety System design Unpack and inspect Locate the pump... - Page 4 E2M28 and E2M30 Rotary Vacuum Pumps CONTENTS (CONTINUED) PAGE Section Page MAINTENANCE 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 PAGE ILLUSTRATIONS Figure Page The E2M28/E2M30 pump (single-phase motor shown) Dimensions (mm) 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 and 115 V 60 Hz...
- Page 6 E2M28 and E2M30 Rotary Vacuum Pumps PAGE TABLES Table Page Operating and storage conditions Performance data Mechanical data Electrical data: three-phase motors Electrical data: single-phase motors Lubrication data Checklist of items Motor connection details Maintenance plan Spares Item Numbers Accessory Item Numbers...
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Page 7: Introduction
Scope and definitions This manual provides installation, operation and maintenance instructions for the following BOC Edwards E2M28 and E2M30 rotary vacuum pumps. You must use the pump as specified in this manual. • This equipment is designed to meet the... -
Page 8: Description
Details of suitable vibration isolators and other Description recommended accessories are given in Section 7.3. The BOC Edwards E2M28 and E2M30 pumps are Gas-ballast shown in Figure 1. Refer to Figure 1 for item numbers in brackets in the following descriptions. -
Page 9: The E2M28/E2M30 Pump (Single-Phase Motor Shown)
7. Cable-gland/Amphenol connector position Note: The motor shown on 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: Technical Data
E2M28 and E2M30 Rotary Vacuum Pumps TECHNICAL DATA PAGE Operating and storage conditions Ambient operating temperature range 13 to 40 Ambient storage temperature range -30 to 70 Maximum ambient operating humidity 90% RH Normal surface temperature of the pump-body at... -
Page 11: Mechanical Data
E2M28 and E2M30 Rotary Vacuum Pumps Mechanical data Mass (approximate) 44 kg PAGE 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 threaded hole) -
Page 12: Lubrication Data
E2M28 and E2M30 Rotary Vacuum Pumps Lubrication data PAGE Note: A BOC Edwards Material Safety Data Sheet for the oil specified below is available on request. Recommended oil Ultragrade 19 * Maximum oil capacity 1.32 l * To operate the pump when the ambient temperature is outside the range specified in Section 2.1, or to optimise the pump performance when you process condensible vapours, you may need a different oil. - Page 13 E2M28 and E2M30 Rotary Vacuum Pumps PAGE Figure 2 - Dimensions (mm) Jun 03 Issue J...
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Page 14: Installation
E2M28 and E2M30 Rotary Vacuum Pumps INSTALLATION You must ensure that the E2M28 or E2M30 pump is suitable for your application. If you have any doubts PAGE as to the suitability of the pump for your application, Safety refer to the BOC Edwards guidelines on vacuum... -
Page 15: Unpack And Inspect
E2M28 and E2M30 Rotary Vacuum Pumps Unpack and inspect Locate the pump PAGE Remove all packing materials and protective covers WARNING and check the pump. If the pump is damaged, notify Use suitable lifting equipment to your supplier and the carrier in writing within three move the pump. -
Page 16: Fill The Pump With Oil
E2M28 and E2M30 Rotary Vacuum Pumps Fill the pump with oil 3.6.1 Introduction PAGE Fill the pump with oil as described below. Refer to Note: The pump will restart automatically when the Figure 1 for the item numbers in brackets. -
Page 17: Standard Single-Phase Motors
E2M28 and E2M30 Rotary Vacuum Pumps 3.6.2 Standard single-phase motors 3.6.4 110/200-240 V 50 Hz or 115-120/200- 230 V 60 Hz single-phase motors PAGE Remove the cover from the motor terminal box (Figure 1, item 8). The motor is designed for a single-phase electrical supply and is suitable for 50Hz and 60Hz operation. -
Page 18: Electrical Supply Connection, Single-Phase Motors
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: BN Brown OR Orange VT Violet WH White GY Grey Figure 4 - Electrical supply connection, single-phase motors:... -
Page 19: Electrical Supply Connection, Single-Phase Motors: 200 V 50 Hz, 200-210 V 60 Hz And 230 V 60 Hz
E2M28 and E2M30 Rotary Vacuum Pumps PAGE Wire colour codes: BN Brown OR Orange VT Violet WH White GY Grey Figure 5 - Electrical supply connection, single-phase motors: 200 V 50 Hz, 200-210 V 60 Hz and 230 V 60 Hz... -
Page 20: Motor Voltage Selection: Single-Phase Motors, 110/200-240 V 50 Hz And 115-120/200-240 V 60 Hz
E2M28 and E2M30 Rotary Vacuum Pumps PAGE A Top view of motor 1. Terminal box cover B Internal view of top of motor 2. Electrical inlet socket 3. On/Off switch 4. Position 'I' (on) 5. Position 'O' (off) 6. Voltage selector switch 7. -
Page 21: Electrical Installation: Three-Phase Motors
E2M28 and E2M30 Rotary Vacuum Pumps Electrical installation: three-phase Remove the cable-gland from the inside of the motors terminal-box and fit the cable-gland to the cable PAGE leadthrough hole in the side of the terminal- Connect the electrical supply to the box. -
Page 22: Connect The Pump Inlet
E2M28 and E2M30 Rotary Vacuum Pumps Connect the pump inlet 3.10 Connect the pump outlet PAGE Take note of the following information when you WARNING connect the pump to your vacuum system. Refer to Connect the pump outlet to a Section 7.3 for details of the accessories mentioned... -
Page 23: Electrical Supply Connection, Three-Phase Motors
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 24: Gas-Ballast Inlet Connection
E2M28 and E2M30 Rotary Vacuum Pumps 3.11 Gas-ballast inlet connection PAGE The position of the gas-ballast inlet is shown in Figure 1 (item 4). The gas-ballast inlet has several filters (shown in Figure 11) to trap any dust and debris if you use air as the gas-ballast supply. -
Page 25: Operation
E2M28 and E2M30 Rotary Vacuum Pumps OPERATION 4.1.2 Flammable/pyrophoric materials PAGE WARNING ATEX directive implications You must obey the instructions and 4.1.1 Introduction take note of the precautions given below, to ensure that pumped gases This equipment designed meet do not enter their flammable ranges. -
Page 26: Gas Purges
E2M28 and E2M30 Rotary Vacuum Pumps Gas-ballast control 4.1.3 Gas purges PAGE Use the gas-ballast control (Figure 1, item 3) to WARNING change the amount of air (or inert gas) introduced If you use inert gas purges to dilute into the low vacuum stage of the pump. Use of the... -
Page 27: Start-Up
BOC Edwards for advice, In particular, above 1.5 bar absolute. If you do, the the vapour pressure of all materials used in your... -
Page 28: To Pump Condensable Vapours
E2M28 and E2M30 Rotary Vacuum Pumps To pump condensable vapours Single-phase motors are cooled by internal fans. These motors have a thermal overload device. PAGE Use gas-ballast (open the gas-ballast control) when When the motor is too hot, the thermal overload there is a high proportion of condensable vapours in device switches off the pump. -
Page 29: Maintenance
If you do not, you can functioned or if it was in a fire. BOC Edwards cause injury to people and damage to Material Safety Data sheets for fluorinated equipment. -
Page 30: 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 pump oil Every 3000 hours of operation Inspect and clean the inlet filter Every oil change Clean or replace the gas-ballast filter... -
Page 31: Inspect And Clean The Inlet-Filter
E2M28 and E2M30 Rotary Vacuum Pumps Refit the oil drain-plug, remove the block and Inspect and clean the inlet-filter reconnect the pump to your vacuum system. PAGE Refer to Figure 10. Fill a suitable container with clean oil and pour... -
Page 32: Clean The Gas-Ballast Filter
E2M28 and E2M30 Rotary Vacuum Pumps Clean the gas-ballast filter Clean the motor fan-cover and enclosure PAGE Note: You may have removed the gas-ballast filter to connect a gas supply or valve to the gas-ballast If the motor fan-cover and enclosure are not kept inlet. -
Page 33: Fit New Blades
E2M28 and E2M30 Rotary Vacuum Pumps Fit new blades 5.11.2 The pump fails to achieve specified performance (failure to reach PAGE Fit new blades to the pump as described in the ultimate vacuum) instructions supplied with the blade kit (see Section 7.2). -
Page 34: The Pump Surface Temperature Is Above 100 O C
E2M28 and E2M30 Rotary Vacuum Pumps 5.11.4 The pump surface temperature is above 100 PAGE • 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 35: Storage And Disposal
E2M28 and E2M30 Rotary Vacuum Pumps STORAGE AND Disposal DISPOSAL PAGE Dispose of the pump, the oil and any components removed from the pump safely in accordance with Storage all local and national safety and environmental requirements. CAUTION Take particular care with the following: Observe the storage temperature limits specified in Section 2.1. -
Page 36: Spares And Accessories
Service Engineers who have Accessories undergone comprehensive BOC Edwards training courses. A range of accessories is available for the E2M28 and E2M30 pumps, as shown in Figure 12. Order spare parts and accessories from your nearest BOC Edwards company or distributor. - Page 37 E2M28 and E2M30 Rotary Vacuum Pumps PAGE 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.
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Page 38: Inlet Catchpot
E2M28 and E2M30 Rotary Vacuum Pumps 7.3.1 Inlet Catchpot 7.3.9 Oil Drain Extension PAGE The Inlet Catchpot traps any liquid droplets and Fit the Oil Drain Extension between the oil drain prevents their entry into the pump. port on the pump and the oil drain-plug to make the drainage of oil from the pump easier. -
Page 39: Return Of Boc Edwards Equipment
7. If the equipment is large, strap the equipment and its accessories to a wooden pallet. If the equipment is too small to be strapped to a pallet, pack it in a suitable strong box. 8. Fax or post a copy of the Declaration (HS2) to BOC Edwards. The Declaration must arrive before the equipment. - Page 40 Read the Return of BOC Edwards Equipment - Procedure (HS1) before you complete this Declaration • Contact BOC Edwards to obtain a Return Authorisation Number and to obtain advice if you have any questions • Send this form to BOC Edwards before you return your equipment...
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- Page 42 PLEASE CONTACT ANY OF THESE COMPANIES FOR DETAILS OF OTHER SALES AND SERVICE CENTRES IN YOUR AREA. BOC Edwards is part of BOC Limited. BOC Edwards and the stripe symbol are trade marks of The BOC Group. © BOC Edwards 2003 Produced by Technical Publicity Techpublicity@edwards.boc.com...
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