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Freeze-dryer Alpha 3-4 LSCbasic
Table of contents
Version 11/2018, Rev. 1.9 of 01/12/2021
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Translation of the original operating manuel
7 Malfunctions and error correction .................................................................................... 83
7.1 General malfunctions ...................................................................................................... 83
7.1.1 Power failure .............................................................................................................. 84
7.1.2 Insufficient vacuum .................................................................................................... 85
7.1.2.1 Small flange connections ................................................................................... 85
7.1.2.2 Aeration valve, media drain valve ...................................................................... 86
7.1.2.3 Pressure control valve ........................................................................................ 86
7.1.2.4 Rubber valves .................................................................................................... 86
7.1.2.5 Vacuum sensor .................................................................................................. 86
7.1.3 Insufficient ice condenser temperature ...................................................................... 87
7.2 Process and error messages .......................................................................................... 87
7.3 Service contact ............................................................................................................... 88
8 Maintenance and service ................................................................................................... 89
8.1 Maintenance ................................................................................................................... 89
8.1.1 General ...................................................................................................................... 89
8.1.2 Ice condenser chamber ............................................................................................. 91
8.1.3 Aeration valve, media drain valve .............................................................................. 91
8.1.4 Heat exchanger (only for air-cooled freeze-dryers) .................................................... 92
8.1.5 Electrical system ........................................................................................................ 93
8.1.6 Vacuum system with oil-sealed vacuum pump, type Vakuubrand RC6 ...................... 93
8.1.7 Vacuum system with a dry-running vacuum pump, type Edwards nXDS 10iC ........... 94
8.1.8 Refrigeration system .................................................................................................. 95
8.1.9 Vacuum sensor .......................................................................................................... 95
8.1.10 Accessories ............................................................................................................... 96
8.2 Disinfection of the drying chamber and accessories ....................................................... 97
8.3 Service ........................................................................................................................... 97
8.4 Return of defective parts ................................................................................................. 99
9 Disposal ............................................................................................................................ 100
9.1 Disposal of the freeze-dryer .......................................................................................... 100
9.2 Disposal of the packaging ............................................................................................. 100
10 Technical data .................................................................................................................. 101
10.1 Ambient conditions ....................................................................................................... 102
10.2 Technical documentation .............................................................................................. 102
11 Appendix .......................................................................................................................... 103
11.1 EC declaration of conformity in accordance with the EC Machinery Directive ............... 103
11.2 Declaration of conformity
– China RoHS 2 .................................................................... 105
11.3 EC declaration of conformity in accordance with the Pressure Equipment Directive ..... 107
11.4 Table of the sublimation pressure curve........................................................................ 109
12 Glossary ........................................................................................................................... 111
13 Index ................................................................................................................................. 113