Edwards EPX HiVac Series, Instruction Manual, Page: 3 / 72

© Edwards Limited 2007. All rights reserved. Page i
Edwards and the Edwards logo are trademarks of Edwards Limited.
Contents
A419-00-880 Issue F
Contents
Section Page
1 Introduction ....................................................................................... 1
1.1 Scope and definitions ................................................................................................... 1
1.2 Description ................................................................................................................ 2
1.2.1 The EPX L ................................................................................................................. 3
1.2.2 The EPX LE ................................................................................................................ 3
1.2.3 The EPX N ................................................................................................................. 3
1.2.4 The EPX NE ................................................................................................................ 3
1.3 Pump protection sensors ............................................................................................... 4
1.4 LED status indicators .................................................................................................... 4
1.5 Connections ..............................................................................................................12
1.6 Control and monitoring ................................................................................................12
1.7 EPX pump labels ........................................................................................................12
1.8 End user controller .....................................................................................................13
2 Technical data .................................................................................. 15
2.1 General ...................................................................................................................15
2.2 Performance .............................................................................................................15
2.3 Electrical data ...........................................................................................................16
2.4 Cooling-water supply ...................................................................................................17
2.5 Nitrogen purge system (EPX N series pumps) .......................................................................17
2.6 Materials in contact with process gases .............................................................................17
3 Installation ....................................................................................... 27
3.1 Safety ..................................................................................................................... 27
3.2 Unpack and inspect .....................................................................................................27
3.3 Securing the EPX pump ................................................................................................28
3.4 Connect the inlet to your process system ...........................................................................28
3.5 Connect the outlet to your exhaust extraction system ...........................................................29
3.6 Nitrogen purge (EPX N series pumps) ................................................................................30
3.7 Leak test the system ...................................................................................................31
3.8 Connect the cooling-water supply ...................................................................................31
3.9 Connect to your emergency stop circuit ............................................................................32
3.10 Connect the EPX pump to the electrical supply ...................................................................33
3.11 Connect to your control equipment .................................................................................34
3.11.1 Inputs .....................................................................................................................34
3.11.2 Outputs ...................................................................................................................35
4 End User Controller (EUC) and Pump Display Terminal (PDT) menus ................... 37
4.1 Introduction .............................................................................................................37
4.2 General operation ......................................................................................................38
4.3 The CANCEL button .....................................................................................................38
4.4 Display text and variable text ........................................................................................38
4.5 Wrap-around .............................................................................................................39
4.6 Timeout ..................................................................................................................39
4.7 Menu structure ..........................................................................................................39
4.8 Example ..................................................................................................................40
5 Operation ........................................................................................ 51
5.1 Introduction .............................................................................................................51
5.2 Flammable and toxic gases (EPX N series pumps) .................................................................52
dc
s/
803
1/0
8/0
8