Edwards EXT70 User Manual

© Edwards Limited 2013. All rights reserved. Page iii
Edwards and the Edwards logo are trademarks of Edwards Limited.
Contents
B722-40-880 Issue F
5.2 Bearing maintenance ...................................................................................................53
5.3 Rotor life .................................................................................................................53
5.4 Clean the external surfaces of the pump ...........................................................................53
5.5 Fault finding .............................................................................................................54
5.5.1 Flashing error codes ....................................................................................................56
5.5.2 Decoding system status words ........................................................................................56
5.5.3 Useful service information ............................................................................................59
6 Storage and disposal ........................................................................... 61
6.1 Storage ...................................................................................................................61
6.2 Disposal ...................................................................................................................61
7 Service, spares and accessories .............................................................. 63
7.1 Introduction .............................................................................................................63
7.2 Service ....................................................................................................................63
7.2.1 Returning a pump for service .........................................................................................63
7.3 Spares .....................................................................................................................63
7.3.1 ISX inlet screen ..........................................................................................................63
7.3.2 Inlet strainer .............................................................................................................64
7.3.3 Inlet flange seals ........................................................................................................64
7.4 Accessories ...............................................................................................................64
7.4.1 Installation ...............................................................................................................64
7.4.2 ACX air cooler ...........................................................................................................64
7.4.3 WCX water cooler .......................................................................................................64
7.4.4 BX bakeout band ........................................................................................................65
7.4.5 TAV vent valve and vent port adaptor ...............................................................................65
7.4.6 VRX vent restrictor .....................................................................................................65
7.4.7 Vent port adaptor .......................................................................................................65
7.4.8 PRX purge restrictor ....................................................................................................66
7.4.9 Vibration isolators ......................................................................................................66
7.4.10 FL20K foreline trap .....................................................................................................66
7.4.11 Podule connector plug .................................................................................................66
7.4.12 TIC turbo and instrument controllers ................................................................................66
7.4.13 TIC PC Program ..........................................................................................................67
Index .............................................................................................. 69
For return of equipment, complete the HS Forms at the end of this manual.
Illustrations
Figure Page
1 EXT75DX dimensions (mm) ............................................................................................11
2 EXT255DX dimensions (mm) ...........................................................................................12
3 Maximum allowed rate of pressure rise during venting: pressure against time (with pump initially at full
rotational speed) 13
4 Podule connector plug .................................................................................................17
5 Typical pumping system with a DX pump ...........................................................................20
6 Correct installation of the inlet screen (EXT75DX) ................................................................21
7 Correct installation of the inlet screen (EXT255DX) ...............................................................21
8 Logic interface connections - parallel mode .......................................................................26
9 Logic interface connections - serial mode ..........................................................................27
10 Conceptual diagram for multi-drop connection ....................................................................29
11 Schematic diagram of the logic interface connections ...........................................................33
12 Installation of optional accessories and spares ....................................................................67

Edwards EXT70 Specifications

General

Brand	Edwards
Model	EXT70
Category	Water Pump
Language	English