Name: Hettich ROTINA 420
Brand: Hettich
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Rev. 03 / 11.2022 Andreas Hettich GmbH & Co. KG AB4701EN_SA

ROTINA 420

ROTINA 420 R

Operating Instructions.................................................... 4

Table of Contents4
Use According to Specification7
Remaining Risks7
Technical Specifications8
Notes on Safety9
Symbol Meanings11
Delivery Checklist12
Transport and Storage12
Transport12
Storage12
Unpacking the Centrifuge12
Initial Operation13
Interface (Only for Centrifuge with Interface)13
Opening and Closing the Lid13
Opening the Lid13
Closing the Lid13
Installation and Removal of the Rotor14
Inserting and Removing Hangers Into/From the Rotor15
Inserting and Removing the Adapters Into/From the Hangers15
Loading the Rotor16
Closing Biosafety Systems17
Control and Display Elements18
Control Knob18
Keys and Setting Options18
Enter Centrifugation Parameters19
Running Time20
Starting Runtime Timing20
Speed (RPM)20
Relative Centrifugal Force (RCF) and Centrifuging Radius (RAD)20
Start-Up and Run-Down Parameters21
Start-Up Stage and Start-Up Time21
Braking Stage and Run-Down Time21
Brake Switch-Off Speed21
Temperature (Only for Centrifuge with Refrigeration)21
Programming22
Inputting or Changing Programs22
Calling up Programs22
Write Protection for Programs22
Program Linkage23
Activating or Deactivating Program Linkage23
Linking Programs or Changing a Program Linkage23
Calling up Program Linkage24
Automatic Temporary Storage24
Centrifugation24
Centrifugation with Preselected Time24
Continuous Operation25
Short-Time Centrifugation25
Change the Settings During the Centrifugation Run25
Integral RCF26
Query Integral RCF26
Activate or Deactivate the Integral RCF Display26
Emergency Stop26
Cycle Counter27
After Starting the First Centrifugation Run, Enter the Maximum Permitted Number of Rotor Cycles or Deactivate the Cycle Counter27
Reset Cycle Counter to "0" and Enter the Maximum Permitted Number of Rotor Cycles28
Activating or Deactivating the Cycle Counter28
Activating/Deactivating the "Dual Time Mode" Function29
Activating or Deactivating Start-Up and Run-Down Times29
Acoustic Signal30
Displayed Centrifugation Data after Switch-On30
Set Temperature Unit (Only for Centrifuge with Refrigeration)31
Backlighting of the Display31
Setting Program Locks32
PIN (Personal Identification Number)33
Setting or Changing the PIN33
Procedure in the Event that PIN Is Lost33
Centrifuge Address34
Query the Operating Hours, Centrifugation Runs and Cycle Counter34
Query the System Information34
Immediate Display of Centrifugation Data after Switch-On34
Cooling (Only in Centrifuges with Cooling)35
Standby-Cooling35
Precooling of the Rotor35
Time-Controlled Cooling35
Prevent Cooling Being Switched on During Run-Out36
Temperature Monitoring36
Heating (Only on Centrifuges with Heating/Cooling Option)37
Relative Centrifugal Force (RCF)37
Centrifugation of Materials or Mixtures of Materials with a Density Higher than 1.2 Kg/DM38
Rotor Recognition38
Emergency Release38
Maintenance and Servicing39
Centrifuge (Housing, Lid and Centrifuging Chamber)39
Surface Cleaning and Care39
Surface Disinfection39
Removal of Radioactive Contaminants39
Rotors and Attachments40
Cleaning and Care40
Disinfection40
Removal of Radioactive Contaminants40
Trunnions41
Rotors and Accessories with Limited Service Lives41
Autoclaving41
Centrifuge Containers41
Faults42
Switch on Automatic Circuit Breaker44
Returning Devices44
Disposal44
Anhang / Appendix45
Rotoren und Zubehör / Rotors and Accessories45

Brand	Hettich
Model	ROTINA 420
Category	Laboratory Equipment
Language	English

Hettich ROTINA 420 User Manual

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