Freeze-dryer Alpha 1-4 LDplus
Freeze-dryer Alpha 2-4 LDplus
Version 11/2006, Rev. 2.2 of 17/10/2016 • sb
Translation of the original operating manual
4 Storage and transport ....................................................................................................... 29
4.1 Dimensions and weight ................................................................................................... 29
4.2 Storage conditions .......................................................................................................... 29
4.3 Notes on transport .......................................................................................................... 30
4.4 Packaging ....................................................................................................................... 31
4.5 Transport safety device ................................................................................................... 31
5 Set-up and connection ...................................................................................................... 32
5.1 Installation site ................................................................................................................ 32
5.2 Power supply .................................................................................................................. 33
5.2.1 Connection ................................................................................................................ 33
5.2.2 Customer-provided fuses ........................................................................................... 33
5.3 Aeration and media drain valve ....................................................................................... 33
5.4 Vacuum sensor ............................................................................................................... 34
5.5 Vacuum pump................................................................................................................. 36
5.6 Pressure control valve .................................................................................................... 37
5.7 Rubber valves ................................................................................................................. 38
6 Operation ............................................................................................................................ 39
6.1 Initial start-up .................................................................................................................. 39
6.2 Installation of accessories ............................................................................................... 39
6.3 Preparation ..................................................................................................................... 39
6.4 Switching the freeze-dryer on ......................................................................................... 39
6.5 LDplus control system ..................................................................................................... 40
6.5.1 User interface ............................................................................................................ 40
6.5.2 Mode ......................................................................................................................... 43
6.5.3 Main menu ................................................................................................................. 45
6.5.3.1 Changing set values .......................................................................................... 45
6.5.3.2 Special functions ................................................................................................ 47
6.5.3.3 Process and equipment information ................................................................... 48
6.5.3.4 Options .............................................................................................................. 49
6.5.3.5 Tutorial ............................................................................................................... 51
6.6 Switching the freeze-dryer OFF ...................................................................................... 52
7 Malfunctions and error correction .................................................................................... 53
7.1 General malfunctions ...................................................................................................... 53
7.1.1 Power failure .............................................................................................................. 53
7.1.2 Insufficient vacuum .................................................................................................... 53
7.1.2.1 Small flange connections ................................................................................... 53
7.1.2.2 Aeration and media drain valve .......................................................................... 54
7.1.2.3 Pressure control valve ........................................................................................ 55
7.1.2.4 Rubber valves .................................................................................................... 55
7.1.2.5 Vacuum sensor .................................................................................................. 55
7.1.3 Insufficient ice condenser temperature ...................................................................... 55
7.2 Process and equipment messages ................................................................................. 56
7.3 Service contact ............................................................................................................... 58
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