Hettich ROTINA 420 R Bedienungsanleitung Seite 45

21 Cycle counter ........................................................................................................................................................................... 63
21.1 After starting the first centrifugation run, enter the maximum permitted number of rotor cycles or deactivate the cycle
counter ............................................................................................................................................................................. 63
21.2 Reset cycle counter to "0" and enter the maximum permitted number of rotor cycles .................................................... 64
21.3 Activating or deactivating the cycle counter..................................................................................................................... 64
22 Activating/deactivating the "Dual time mode" function"............................................................................................................ 65
23 Activating or deactivating start-up and run-down times ........................................................................................................... 65
24 Acoustic signal ......................................................................................................................................................................... 66
25 Displayed centrifugation data after switch-on. ......................................................................................................................... 66
26 Set temperature unit (only for centrifuge with refrigeration)..................................................................................................... 67
27 Setting program locks .............................................................................................................................................................. 67
28 PIN (Personal Identification Number)....................................................................................................................................... 68
28.1 Setting or changing the PIN ............................................................................................................................................. 68
28.2 Procedure in the event that PIN is lost ............................................................................................................................ 68
29 Centrifuge address................................................................................................................................................................... 69
30 Query the operating hours, centrifugation runs and cycle counter .......................................................................................... 69
31 Query the system information .................................................................................................................................................. 69
32 Immediate display of centrifugation data after switch-on. ........................................................................................................ 69
33 Cooling (only in centrifuges with cooling)................................................................................................................................. 70
33.1 Standby-cooling ............................................................................................................................................................... 70
33.2 Precooling of the rotor ..................................................................................................................................................... 70
33.3 Time-controlled cooling.................................................................................................................................................... 70
33.4 Prevent cooling being switched on during run-out........................................................................................................... 71
34 Heating (only on centrifuges with heating/cooling option)........................................................................................................ 71
35 Relative centrifugal force (RCF)............................................................................................................................................... 71
36 Centrifugation of materials or mixtures of materials with a density higher than 1.2 kg/dm
37 Rotor recognition...................................................................................................................................................................... 72
38 Emergency release .................................................................................................................................................................. 72
39 Maintenance and servicing ...................................................................................................................................................... 73
39.1 Centrifuge (housing, lid and centrifuging chamber) ......................................................................................................... 73
39.1.1 Surface cleaning and care ....................................................................................................................................... 73
39.1.2 Surface disinfection ................................................................................................................................................. 73
39.1.3 Removal of radioactive contaminants...................................................................................................................... 73
39.2 Rotors and Attachments .................................................................................................................................................. 74
39.2.1 Cleaning and care.................................................................................................................................................... 74
39.2.2 Disinfection .............................................................................................................................................................. 74
39.2.3 Removal of radioactive contaminants...................................................................................................................... 74
39.2.4 Trunnions................................................................................................................................................................. 74
39.2.5 Rotors and accessories with limited service lives.................................................................................................... 75
39.3 Autoclaving ...................................................................................................................................................................... 75
39.4 Centrifuge containers....................................................................................................................................................... 75
40 Faults ....................................................................................................................................................................................... 76
41 Switch on automatic circuit breaker ......................................................................................................................................... 78
42 Returning Devices.................................................................................................................................................................... 78
43 Disposal ................................................................................................................................................................................... 78
44 Anhang / Appendix................................................................................................................................................................. 151
44.1 Rotoren und Zubehör / Rotors and accessories ............................................................................................................ 151
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