Edwards EM Series - Table of Contents

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Contents
A364-04-880 Issue A
Contents
Section Page
1 Introduction ....................................................................................... 1
1.1 Scope and definitions ................................................................................................... 1
1.2 Description ................................................................................................................ 2
1.3 Gas-ballast ................................................................................................................ 3
2 Technical data .................................................................................... 5
2.1 Operating and storage conditions ..................................................................................... 5
2.2 Performance .............................................................................................................. 5
2.3 Mechanical data .......................................................................................................... 8
2.4 Electrical data: three-phase motors .................................................................................. 8
2.5 Lubrication data ......................................................................................................... 9
3 Installation ....................................................................................... 11
3.1 Safety .....................................................................................................................11
3.2 System design considerations .........................................................................................11
3.3 Unpack and inspect .....................................................................................................12
3.4 Locate the pump ........................................................................................................13
3.5 Fill the pump with oil ..................................................................................................13
3.5.1 Recommended pump oils ..............................................................................................13
3.5.2 Filling procedure ........................................................................................................13
3.6 Electrical installation: three-phase motors .........................................................................14
3.6.1 Connect the pump to your electrical supply .......................................................................14
3.6.2 Check the direction of rotation ......................................................................................14
3.7 Connect the pump inlet to your system .............................................................................15
3.7.1 General information ....................................................................................................15
3.7.2 Connect to ISO40 fittings ..............................................................................................15
3.7.3 Connect to NW40 fittings ..............................................................................................15
3.8 Connect the pump outlet to your system ...........................................................................16
3.9 Gas-ballast inlet connection ..........................................................................................16
3.10 Leak-test the system ...................................................................................................17
4 Operation ........................................................................................ 19
4.1 Gas-ballast control .....................................................................................................19
4.2 Start-up procedure .....................................................................................................19
4.3 To achieve ultimate vacuum ..........................................................................................20
4.4 To pump condensable vapours ........................................................................................20
4.5 To decontaminate the oil ..............................................................................................20
4.6 Unattended operation ..................................................................................................20
4.7 Shut-down ................................................................................................................21
5 Maintenance ..................................................................................... 23
5.1 Safety .....................................................................................................................23
5.2 Maintenance plan .......................................................................................................23
5.3 Check the oil-level .....................................................................................................24
5.4 Replace the oil ..........................................................................................................24
5.5 Replace the fine oil-filter .............................................................................................25
5.6 Replace the gas-ballast filter .........................................................................................26
5.7 Inspect and clean the inlet-filter .....................................................................................26
5.8 Clean the oil-level sight-glass .........................................................................................28
5.9 Clean the motor fan-cover ............................................................................................29
gp/0252/10/14