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Instruction Manual
E1M18 and E2M18 Rotary Vacuum Pumps
Description
E1M18, 100/200 V, 50 Hz or 100-105/200-210 V, 60 Hz, single-phase
E1M18, 115/230 V, 60 Hz, single-phase
E1M18, 220 V, 50/60 Hz, single-phase
E1M18, 220-240 V, 50 Hz, single-phase
E1M18, 220-240 V, 50 Hz, or 230-240 V, 60 Hz, single-phase
E1M18, 200-230/380-460 V, 50/60 Hz, three-phase
E1M18, 220-240 V, 50 Hz, or 230-240 V, 60 Hz, single-phase (Amphenol)
E1M18, 110/200-240 V, 50 Hz, or 115-120/200-230 V, 60 Hz, single-phase
E2M18, 100/200 V, 50 Hz or 100-105/200-210 V, 60 Hz, single-phase
E2M18, 115/230 V, 60 Hz, single-phase
E2M18, 220 V, 50/60 Hz, single-phase
E2M18, 220-240 V, 50 Hz, single-phase
E2M18, 220-240 V, 50 Hz, or 230-240 V, 60 Hz, single-phase
E2M18, 200-230/380-460 V, 50/60 Hz, three-phase
E2M18, 110/200-240 V, 50 Hz, or 115-120/200-230 V, 60 Hz, single-phase
E2M18-FF, 200-230/380-460 V, 50/60 Hz, three-phase
E2M18-FF, 100/200 V, 50/60 Hz, single-phase
E2M18, 220-240 V, 50 Hz, single-phase
A343–10–880 Issue L Original
Item Number
A343-15-904
A343-15-981
A343-15-920
A343-15-912
A343-15-903
A343-10-940
A343-16-903
A343-17-984
A363-15-904
A363-15-981
A363-15-920
A363-15-912
A363-15-903
A363-10-940
A363-17-984
A363-21-940
A363-25-904
A363-25-912
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Summary of Contents for BOC Edwards A343-15-904
- Page 1 Instruction Manual E1M18 and E2M18 Rotary Vacuum Pumps Description Item Number E1M18, 100/200 V, 50 Hz or 100-105/200-210 V, 60 Hz, single-phase A343-15-904 E1M18, 115/230 V, 60 Hz, single-phase A343-15-981 E1M18, 220 V, 50/60 Hz, single-phase A343-15-920 E1M18, 220-240 V, 50 Hz, single-phase...
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Page 3: Table Of Contents
E1M18 and E2M18 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 Fill the pump with oil Electrical installation: single-phase motors 3.6.1... - Page 4 Solenoid Operated Pipeline Valve 7.4.8 Foreline Trap 7.4.9 Vibration Isolators 7.4.10 Oil Drain Extension 7.4.11 Pump Inlet Adaptor 7.4.12 Flexible Bellows 7.4.13 Pump Outlet Adaptor 7.4.14 Gas Ballast Banjo/Elbow Assembly 7.4.15 Gas Ballast Valve RETURN OF BOC EDWARDS EQUIPMENT Issue K Jul 05...
- Page 5 E1M18 and E2M18 Rotary Vacuum Pumps ILLUSTRATIONS PAGE Figure Page The E1M18/E2M18 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 and 115 V 60 Hz Electrical supply connection, single-phase motors: 200 V 50 Hz, 200-210 V 60 Hz and 230 V 60 Hz...
- Page 6 E1M18 and E2M18 Rotary Vacuum Pumps PAGE This page intentionally blank. Issue K Jul 05...
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Page 7: Introduction
PAGE Scope and definitions This manual provides installation, operation and maintenance instructions for the BOC Edwards E1M18 and E2M18 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
Not allow air to enter the equipment. • Ensure that the system is leak tight. • For further information, please contact BOC Edwards: refer to the Addresses page at the end of this manual for details of your nearest BOC Edwards company. Issue L Sep 06... -
Page 9: The E1M18/E2M18 Pump
E1M18 and E2M18 Rotary Vacuum Pumps PAGE Oil filler Motor terminal box Outlet nozzle On/Off switch Gas-ballast control Baseplate Gas-ballast inlet Oil drain-plug (gravity drain) Centring-ring and ‘O’ ring (supplied) Oil sight-glass Inlet-port (adaptor flange) Pump identification label Cable-gland/Amphenol connector position Notes: A pump with a single-phase motor is shown in this figure. -
Page 10: Description
E1M18 and E2M18 Rotary Vacuum Pumps Description The BOC Edwards E1M18 and E2M18 pumps are shown in Figure 1. Refer to Figure 1 for item numbers PAGE in brackets in the following descriptions. The E1M18 and E2M18 pumps are direct drive, sliding vane pumps. The E1M18 is a single-stage pump, and the E2M18 is a two-stage pump. -
Page 11: Technical Data
E1M18 and E2M18 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) 13 to 40 Ambient temperature range (storage) -30 to 70... -
Page 12: Mechanical Data
BSP threaded hole) Table 3 – Mechanical data Lubrication data Note: A BOC Edwards Material Safety Data Sheet for the oil specified below is available on request. Recommended oil * Ultragrade 19 Maximum oil capacity E1M18 1.4 litres... -
Page 13: Electrical Data: Three-Phase Motors
(A) A363-15-903, A343-16-903, 220-240 A343-15-903 230-240 11.0 A343-15-981, A363-15-981 12.0 100-105 11.0 A343-15-904, A363-15-904 200-210 11.0 115-120 10.0 A343-17-984, A363-17-984 200-240 200-230 A343-15-912, A363-15-912 220-240 A343-15-920, A363-15-920 Motor output rating (continuous) 0.55 kW or 0.65 kW 50 Hz operation 0.75 kW... -
Page 14: Dimensions (Mm): Key
E1M18 and E2M18 Rotary Vacuum Pumps PAGE Pump Item Number Dimension (mm) Single-phase motors A343-15-912 A363-15-912 A343-15-920, A363-15-920 A343-15-981 A363-15-981 A343-15-904 50/60 A363-15-904 50/60 A363-15-903, A363-17-984 50/60 A343-16-903, A343-15-903, A343-17-984 50/60 Three-phase motors A343-10-940 50/60 A363-10-940 50/60 Top view of pump with single-phase motor... - Page 15 E1M18 and E2M18 Rotary Vacuum Pumps PAGE Figure 2 – Dimensions (mm) Sep 06 Sep 06...
- Page 16 E1M18 and E2M18 Rotary Vacuum Pumps PAGE This page intentionally blank. Issue L Sep 06...
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Page 17: Installation
You must ensure that the E1M18 or E2M18 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
E1M18 and E2M18 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
E1M18 and E2M18 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. The pump can be either free-standing on its baseplate, or be fixed by bolts through the four fixing holes in the baseplate, or be used with vibration isolators. -
Page 20: Electrical Installation: Single-Phase Motors
Pump Item Number Voltage Frequency Connection details: (Hz) refer to Figure A343-15-912, A363-15-912, A343-15-920, A363-15-920, (all) 50/60 A363-15-903, A343-15-903 A343-15-981, A363-15-981 A343-15-904, A363-15-904 100-105 200-210 A343-16-903 (all) 50/60 A343-17-984, A363-17-984 (all) 50/60 Table 8 – Motor connection details Issue L Sep 06... -
Page 21: Standard Single-Phase Motors
E1M18 and E2M18 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. Pass the electrical supply cable through the gland. -
Page 22: Electrical Supply Connection: Single-Phase Motors: 220-240 V 50 Hz And
E1M18 and E2M18 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 Issue L Sep 06... -
Page 23: Electrical Supply Connection, Single-Phase Motors: 200 V 50 Hz, 200-210 V 60 Hz
E1M18 and E2M18 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 Not used Earth (ground) Figure 6 –... -
Page 24: Motor Voltage Selection: Single-Phase Motors, 110/200-240 V 50 Hz And
E1M18 and E2M18 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
E1M18 and E2M18 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
If you use flexible bellows, you must ensure that you use bellows which have a maximum pressure rating which is greater than the highest pressure that can be generated in your system. We recommend that you use BOC Edwards flexible bellows. •... -
Page 27: Electrical Supply Connection, Three-Phase Motors: 200-220 V 50 Hz And 200-230 V 60 Hz
E1M18 and E2M18 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 Sep 06 Sep 06... -
Page 28: Connect The Pump Outlet
E1M18 and E2M18 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. The exhaust system must be configured so that the maximum pressure at the pump outlet does not exceed 0.5 bar gauge (1.5 bar absolute, 1.5 x 10 Pa) at full pump throughput. -
Page 29: Operation
E1M18 and E2M18 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 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 30: Gas Purges
Note: We recommend that you obtain and read the Vacuum Pump and Vacuum System Safety manual (publication number P300-20-000), available from BOC Edwards or your supplier. Gas-ballast control Use the gas-ballast control (Figure 1, item 3) to change the flow of gas-ballast into the low vacuum stage of the pump, and to provide an additional oil-feed to the pump mechanism. -
Page 31: Start-Up
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 BOC Edwards for advice, In particular, the vapour pressure of all materials used in your vacuum system (including pump oil, see below) must be much lower than the specified ultimate vacuum of the pump. -
Page 32: To Pump Condensable Vapours
E1M18 and E2M18 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
E1M18 and E2M18 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 E1M18 and E2M18 Rotary Vacuum Pumps PAGE This page intentionally blank. Issue L Sep 06...
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Page 35: Maintenance
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. BOC Edwards Material Safety Data sheets for fluorinated materials used in the pump are available on request: contact your supplier or BOC Edwards. -
Page 36: Check The Oil-Level
E1M18 and E2M18 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 Yearly Clean the motor fan-cover and enclosure Yearly... -
Page 37: Inspect And Clean The Inlet-Filter
E1M18 and E2M18 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
E1M18 and E2M18 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). Wash the wire mesh and filter in a suitable cleaning solution. -
Page 39: Clean The Motor Fan-Cover And Enclosure
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 BOC Edwards Service Centre for advice. 5.11.2 The pump has failed to start •... -
Page 40: The Pump Fails To Achieve Specified Performance (Failure To Reach Ultimate Vacuum)
E1M18 and E2M18 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
E1M18 and E2M18 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 E1M18 and E2M18 Rotary Vacuum Pumps PAGE This page intentionally blank. Issue L Sep 06...
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Page 43: Storage And Disposal
E1M18 and E2M18 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 E1M18 and E2M18 Rotary Vacuum Pumps PAGE This page intentionally blank. Issue L Sep 06...
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Page 45: Service, Spares And Accessories
The majority of these centres employ Service Engineers who have undergone comprehensive BOC Edwards training courses. Order spare parts and accessories from your nearest BOC Edwards company or distributor. When you order, state for each part required: •... -
Page 46: Accessories
E1M18 and E2M18 Rotary Vacuum Pumps Accessories 7.4.1 Introduction PAGE A range of accessories is available for the E1M18 and E2M18 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
E1M18 and E2M18 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 Sep 06 Sep 06... -
Page 48: Solenoid Operated Pipeline Valve
E1M18 and E2M18 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.
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