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Contents
A732-01-880 Issue D
Contents
Section Page
1 Introduction ....................................................................................... 1
1.1 Scope of this manual .................................................................................................... 1
1.2 ATEX directive implication ............................................................................................. 2
1.3 Description................................................................................................................ 3
1.4 Gas ballast control ...................................................................................................... 4
1.5 Construction.............................................................................................................. 4
2 Technical data .................................................................................... 5
2.1 Operating and storage conditions ..................................................................................... 5
2.2 Performance.............................................................................................................. 5
2.2.1 General.................................................................................................................... 5
2.2.2 Performance characteristics ........................................................................................... 6
2.3 Mechanical data ......................................................................................................... 6
2.3.1 General.................................................................................................................... 6
2.4 Electrical data ........................................................................................................... 7
2.4.1 Electrical cables ......................................................................................................... 7
3 Installation ........................................................................................ 9
3.1 Safety...................................................................................................................... 9
3.2 System design considerations......................................................................................... 10
3.3 Unpack and inspect .................................................................................................... 12
3.4 Locate the pump........................................................................................................ 12
3.4.1 Mechanical fixing ....................................................................................................... 12
3.5 Electrical installation .................................................................................................. 12
3.5.1 Check and configure the pump ....................................................................................... 12
3.5.2 Connect the pump to the electrical supply......................................................................... 13
3.6 Inlet and outlet connections .......................................................................................... 13
3.7 Leak test the system ................................................................................................... 14
4 Operation ......................................................................................... 15
4.1 Use of gas ballast control ............................................................................................. 15
4.2 Start up procedure ..................................................................................................... 15
4.3 To achieve ultimate vacuum.......................................................................................... 15
4.4 To pump condensable vapours ....................................................................................... 15
4.5 Implication of ATEX directive......................................................................................... 16
4.5.1 Introduction ............................................................................................................. 16
4.5.2 Flammable/pyrophoric materials .................................................................................... 16
4.5.3 Gas purges ............................................................................................................... 16
4.6 Remote operation using 15-way D connector ...................................................................... 17
4.7 Shut down................................................................................................................ 17
5 Maintenance...................................................................................... 19
5.1 Safety information...................................................................................................... 19
5.2 Maintenance plan....................................................................................................... 20
5.3 Inspect and clean the inlet strainer ................................................................................. 20
5.4 Clean the external fan cover ......................................................................................... 21
5.5 Replace the tip seals................................................................................................... 21
5.6 Test the motor condition.............................................................................................. 21
5.7 Fault-finding............................................................................................................. 22
5.7.1 The pump has failed to start or has stopped....................................................................... 22
cg/8519/10/18
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