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Contents
A344-02-880 Issue J
Contents
Section Page
1Introduction .......................................................................................1
1.1 Scope and definitions ................................................................................................... 1
1.2 Description ................................................................................................................ 3
1.3 Gas-ballast ................................................................................................................ 3
2Technical data ....................................................................................5
2.1 Operating and storage conditions ..................................................................................... 5
2.2 Performance .............................................................................................................. 5
2.3 Mechanical data .......................................................................................................... 8
2.4 Electrical data: single-phase motor ................................................................................... 8
2.5 Electrical data: three-phase motors .................................................................................. 8
2.6 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 ........................................................................................................14
3.6 Electrical installation: single-phase motor .........................................................................14
3.7 Electrical installation: three-phase motors .........................................................................15
3.7.1 Connect the pump to your electrical supply .......................................................................15
3.7.2 Check the direction of rotation ......................................................................................17
3.8 Connect the pump inlet to your system .............................................................................17
3.8.1 General information ....................................................................................................17
3.8.2 Connect to ISO40 fittings ..............................................................................................18
3.8.3 Connect to NW40 fittings .............................................................................................. 18
3.9 Connect the pump outlet to your system ...........................................................................19
3.10 Gas-ballast inlet connection ..........................................................................................19
3.11 Leak-test the system ...................................................................................................19
4Operation ........................................................................................21
4.1 Gas-ballast control .....................................................................................................21
4.2 Start-up procedure .....................................................................................................21
4.3 To achieve ultimate vacuum ..........................................................................................22
4.4 To pump condensable vapours ........................................................................................22
4.5 To decontaminate the oil ..............................................................................................22
4.6 Unattended operation ..................................................................................................23
4.7 Shut-down ................................................................................................................23
ITR 20465
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