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Contents
A726-01-880 Issue M
Contents
Section Page
1 Introduction .......................................................................................1
1.1 Scope and definitions ................................................................................................... 1
1.2 ATEX directive implications ............................................................................................ 2
1.3 Description ................................................................................................................ 4
1.4 Gas-ballast control ...................................................................................................... 4
1.5 Construction .............................................................................................................. 4
1.6 CSA Product classification .............................................................................................. 5
2 Technical data ....................................................................................7
2.1 Operating and storage conditions ..................................................................................... 7
2.2 Performance .............................................................................................................. 7
2.2.1 General .................................................................................................................... 7
2.2.2 Performance characteristics ........................................................................................... 8
2.3 Mechanical data .........................................................................................................10
2.3.1 General ...................................................................................................................10
2.3.2 Noise and vibration data ...............................................................................................10
2.4 Electrical data ...........................................................................................................10
2.4.1 Single-phase pumps ....................................................................................................10
2.4.2 Three-phase pumps .....................................................................................................10
2.5 Legislation and standards .............................................................................................11
3 Installation ....................................................................................... 13
3.1 Safety .....................................................................................................................13
3.2 System design considerations .........................................................................................13
3.3 Unpack and inspect .....................................................................................................13
3.4 Lifting the pump ........................................................................................................14
3.5 Locate the pump ........................................................................................................14
3.6 Electrical installation: single-phase pumps .........................................................................14
3.6.1 Check and configure the motor .......................................................................................14
3.6.2 Connect the pump to your electrical supply .......................................................................15
3.6.3 Check the direction of rotation ......................................................................................15
3.7 Electrical installation: three-phase pumps .........................................................................17
3.7.1 Check and configure the motor .......................................................................................17
3.7.2 Connect the pump to your electrical supply .......................................................................17
3.7.3 Check the direction of rotation ......................................................................................18
3.8 Inlet and outlet connections ..........................................................................................18
3.9 Leak test the system ...................................................................................................19
4 Operation ........................................................................................ 21
4.1 Gas-ballast control (if fitted) .........................................................................................21
4.2 Start up procedure .....................................................................................................21
4.3 To achieve ultimate vacuum (if gas ballast fitted) ................................................................22
4.3.1 Pumps already in service ..............................................................................................22
4.3.2 New pumps, pumps that have just been serviced or reconditioned, and pumps that have been in storage
22
4.4 To pump condensable vapours (if gas ballast fitted) ..............................................................22
4.5 Implication of ATEX directive .........................................................................................22
4.5.1 Introduction .............................................................................................................22
4.5.2 Flammable/pyrophoric materials ....................................................................................22
gea/0114/09/10
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