Table Of Contents - Edwards E2M28 Instruction Manual

Contents
Section
1 Introduction ....................................................................................... 1
1.1 Scope and definitions ................................................................................................... 1
1.2 ATEX directive implications ............................................................................................ 2
1.3 Description ................................................................................................................ 4
1.4 Gas-ballast ................................................................................................................ 4
2 Technical data .................................................................................... 5
2.1 Operating and storage conditions ..................................................................................... 5
2.2 Performance .............................................................................................................. 5
2.3 Mechanical data .......................................................................................................... 6
2.4 Lubrication data ......................................................................................................... 6
2.5 Electrical data ............................................................................................................ 7
3 Installation ......................................................................................... 9
3.1 Safety ...................................................................................................................... 9
3.2 System design ............................................................................................................ 9
3.3 Unpack and inspect .....................................................................................................10
3.4 Locate the pump ........................................................................................................10
3.5 Fill the pump with oil ..................................................................................................11
3.6 Electrical installation: single-phase motors ........................................................................ 11
3.6.1 Introduction ............................................................................................................. 11
3.6.2 Standard single-phase motors ........................................................................................ 12
3.6.3 Amphenol version single-phase motors .............................................................................. 12
3.6.4 110/200-240 V 50 Hz or 115-120/200-230 V 60 Hz single-phase motors ....................................... 12
3.7 Electrical installation: three-phase motors ......................................................................... 16
3.7.1 Connect the electrical supply to the motor ........................................................................ 16
3.7.2 Check the direction of rotation ...................................................................................... 17
3.8 Connect the pump inlet ................................................................................................17
3.9 Connect the pump outlet ..............................................................................................18
3.10 Gas-ballast inlet connection .......................................................................................... 18
3.11 Leak test the system ...................................................................................................19
4 Operation ........................................................................................ 21
4.1 ATEX directive implications ...........................................................................................21
4.1.1 Introduction ............................................................................................................. 21
4.1.2 Flammable/pyrophoric materials .................................................................................... 21
4.1.3 Gas purges ............................................................................................................... 22
4.2 Gas-ballast control .....................................................................................................22
4.3 Start-up .................................................................................................................. 23
4.4 To achieve ultimate vacuum .......................................................................................... 23
4.5 To pump condensable vapours ........................................................................................ 24
4.6 To decontaminate the oil ..............................................................................................24
4.7 Unattended operation ..................................................................................................24
4.8 Shut-down ................................................................................................................ 24
5 Maintenance ..................................................................................... 25
5.1 Safety information ......................................................................................................25
5.2 Maintenance plan .......................................................................................................25
5.3 Check the oil-level .....................................................................................................26
5.4 Replace the oil ..........................................................................................................26
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Edwards and the Edwards logo are trademarks of Edwards Limited.
A373-10-880 Issue T
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