S149-01-880 Issue F
Page ii © Edwards Limited 2011. All rights reserved.
Edwards and the Edwards logo are trademarks of Edwards Limited.
Contents
5.11 Fault finding .............................................................................................................32
6 Storage and disposal ........................................................................... 35
6.1 Storage ...................................................................................................................35
6.2 Disposal ...................................................................................................................35
7 Spares and accessories ......................................................................... 37
7.1 Introduction .............................................................................................................37
7.2 Service ....................................................................................................................37
7.3 Spares .....................................................................................................................37
7.4 Accessories ...............................................................................................................37
8 PFPE-prepared Microvac pumps .............................................................. 39
8.1 Summary .................................................................................................................39
8.2 Installation ...............................................................................................................39
8.3 Operation ................................................................................................................39
8.4 Maintenance .............................................................................................................39
For return of equipment, complete the HS Forms at the end of this manual.
Illustrations
Figure Page
1 Theory of operation ..................................................................................................... 2
2 149-H/149-HS pump general arrangement ........................................................................... 3
3 212-J pump general arrangement ..................................................................................... 4
4 412-J pump general arrangement ..................................................................................... 5
5 149-H/149-HS pump dimensions ....................................................................................... 8
6 212-J pump dimensions ................................................................................................. 9
7 412-J pump dimensions ................................................................................................10
8 Pump speed curves .....................................................................................................11
9 Inlet piping configurations ............................................................................................16
10 Exhaust piping ...........................................................................................................18
11 Electrical schematic ....................................................................................................19
12 Gas ballast setting ......................................................................................................24
13 Typical vacuum system piping ........................................................................................28
14 Collar bolt positions and motor frame sizes ........................................................................31
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