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Domel CENTRIC 260 User Manual

Laboratory centrifuge
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USER'S MANUAL
LABORATORY CENTRIFUGE
CENTRIC 260
CENTRIC 260 R
Edition
Month
Year
3.
May
2024
ID 413304
Domel, d.o.o.
Otoki 21, 4228 Železniki, Slovenia
Business Unit Laboratory Systems
Na Plavžu 79, 4228 Železniki, Slovenia
Tel.: +386 (0)4 5117 500
Internet: https://www.domel.com

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  • Page 1 USER'S MANUAL LABORATORY CENTRIFUGE CENTRIC 260 CENTRIC 260 R Edition Month Year 2024 ID 413304 Domel, d.o.o. Otoki 21, 4228 Železniki, Slovenia Business Unit Laboratory Systems Na Plavžu 79, 4228 Železniki, Slovenia Tel.: +386 (0)4 5117 500 Internet: https://www.domel.com...

  • Page 2: Preface

    CENTRIC 260 / R PREFACE Dear customer, Congratulations for purchasing our centrifuge CENTRIC 260 / R. You have selected a reliable device which combines many advantages. A wide selection of programming options and electronic control allow trouble-free operation. The brushless motor provides quiet, maintenance-free operation without any carbon dust pollution.

  • Page 3: Table Of Contents

    3.12 ROTOR RECOGNITION ....................17 3.13 DISPLAY OF THE SET VALUES DURING THE RUN ............. 17 3.14 FAST SPIN ........................17 3.15 FAST COOL FUNCTION (Only for CENTRIC 260 R) ............18 3.16 RESET OF LID LATCH ....................18 3.17 AUXILIARY LID RELEASE....................18 3.18 AUTOMATIC BRAKING AFTER POWER RESTORATION ..........

  • Page 4: Safety Information

    USER'S MANUAL CENTRIC 260 / R 1. SAFETY INFORMATION Before using the machine, make sure to read and understand this manual thoroughly. Keep the manual close to the machine, easily accessible to all the users. Improper operation can cause injury to persons or damage to the equipment.
  • Page 5 USER'S MANUAL CENTRIC 260 / R • During longer spin times, test tubes may heat up. Observe the requirements and regulations specified by test tube manufacturer. • The use of organic solvents and reagents may have adverse effect on the stability of plastic test tubes.

  • Page 6: Introduction

    CENTRIC 260 / R 2. INTRODUCTION 2.1 INTENDED USE Centrifuge CENTRIC 260 / R (mark R means refrigerating model) is a laboratory centrifuge intended to be used in laboratories for separating the substances with different specific densities by centrifugal force.

  • Page 7: Overall View

    USER'S MANUAL CENTRIC 260 / R For CENTRIC 260: After installation, it is recommended that you wait for some time, before connecting the centrifuge to the mains power supply. This prevents damage to electronic components due to condensation, which can occur, when you bring the device from a cold environment to a warm environment.
  • Page 8 USER'S MANUAL CENTRIC 260 / R Rotor key Magnets Name label Auxiliary Mains socket lid release Ventilator Fuse compartment Foot CENTRIC 260 R: Window Knob Control panel Main switch Rotor key Magnets Auxiliary lid release Foot Name label Mains socket...

  • Page 9: Operation

    3.1 CONTROL PANEL CENTRIC 260: CENTRIC 260 R: DESCRIPTION: Temperature display (Only on CENTRIC 260 R) TEMPERATURE key (Only on CENTRIC 260 R) Indicator for selection of rotational speed (RPM) Display for rotational speed (RPM) or centrifugal force (RCF) Indicator for selection of centrifugal force (RCF)

  • Page 10: Knob And Key Functions

    Indicator for selection of braking level ( ) Program display PROGRAM key Knob FAST SPIN key (Only on CENTRIC 260) FAST COOL key (Only on CENTRIC 260 R) LID key START key STOP key 3.2 KNOB AND KEY FUNCTIONS By rotating the knob, you change the values of the parameters on display. By rotating the knob clockwise, the value increases, and by rotating it counter- clockwise, the value decreases.
  • Page 11 (the highest), and they can't be changed. When you release the key, the braking procedure of the rotor is activated and the centrifuge stops. (Only on CENTRIC 260 R) By pressing this key, you turn on the fast cool function. The key lights up.

  • Page 12: Turning On The Centrifuge

    The values of operation parameters (temperature (only on CENTRIC 260 R), rotational speed, centrifugal force, run time, acceleration and braking level) are automatically set to the last used values.

  • Page 13: Rotor Loading

    USER'S MANUAL CENTRIC 260 / R 3.6 ROTOR LOADING Test tubes in the rotor must always be loaded symmetrically. You may use only approved test tubes. Weight difference of the samples in test tubes should be as low as possible in order to avoid potential damages of the motor and to minimize running noise and vibration.

  • Page 14: Cooling Setting (Only For Centric 260 R)

    USER'S MANUAL CENTRIC 260 / R 3.7 COOLING SETTING (Only for CENTRIC 260 R) The temperature can be set from -19 °C to 40 °C, in steps of 1 °C. If the difference between actual and set temperature is more than ±3 °C, the temperature display will flash.

  • Page 15: Setting Run Time, Acceleration And Braking Level

    USER'S MANUAL CENTRIC 260 / R 3.9 SETTING RUN TIME, ACCELERATION AND BRAKING LEVEL By pressing the TIME key, you can set the time (TIME), acceleration level ( ) and braking level ( ). The key lights up. By repeated pressings on this key, you select which parameter will be set.

  • Page 16: Program Setting

    While the PROGRAM key is lit, set the values of individual operation parameters (temperature (only on CENTRIC 260 R), rotational speed, centrifugal force, run time, acceleration level and braking level) using the procedures, described in the previous chapters.

  • Page 17: Starting And Stopping The Centrifuge

    By pressing and holding the FAST SPIN key (on CENTRIC 260) or START key (on CENTRIC 260 R), you perform the fast spin. The centrifuge will run as long as you hold the key pressed. Time of run in seconds is displayed on time (On CENTRIC 260) display, and the program display shows FS (fast spin).

  • Page 18: Fast Cool Function (Only For Centric 260 R)

    USER'S MANUAL CENTRIC 260 / R 3.15 FAST COOL FUNCTION (Only for CENTRIC 260 R) By pressing the FAST COOL key, you turn on the fast cool function. The key lights up. START key lights up also. The program display shows FC (fast cool). Rotor starts to run automatically with 8000 RPM.

  • Page 19: Temperature Correction (Only For Centric 260 R)

    USER'S MANUAL CENTRIC 260 / R 3.19 TEMPERATURE CORRECTION (Only for CENTRIC 260 R) If you notice a difference between preset temperature on display and actual measured temperature, the centrifuge has temperature correction functionality. Temperature correction is performed by entering the temperature difference in the service parameters of the centrifuge.

  • Page 20: Troubleshooting

    If an error occurs during the operation of the centrifuge, an error message appears on the display, and the centrifuge stops automatically. The temperature display (only on CENTRIC 260 R) and the program display show message Er, while speed display and time display show the error message.

  • Page 21: Exit From Error Display

    USER'S MANUAL CENTRIC 260 / R DISPLAY PROBLEM SOLUTION SPEED TIME REPAIRS Check condenser Service-SP temperature sensor Condenser T CON temperature sensor Check condenser Service error temperature sensor (Only on Electronics error Service CENTRIC Check refrigerating system Service Condenser 260 R)

  • Page 22: User's Parameters

    For entering to user's parameters, the centrifuge must be in stand-by mode. Simultaneously press the SPEED key (on CENTRIC 260) or the TEMPERATURE key (on CENTRIC 260 R) and PROGRAM key and hold them for about 5 seconds. When the first parameter is displayed and the TIME key lights up, release the keys.

  • Page 23: Replacing The Centrifuge Fuses

    • Insert fuse holder and push it, until it locks. CENTRIC 260 R: The following fuses are required for CENTRIC 260 R: 2 x 16AT 250V (230V) 2 x 16AT 250V (120V) • Unplug mains plug from the mains socket.
  • Page 24 USER'S MANUAL CENTRIC 260 / R Run time: 10 s to 99 min 50 s, continuous operation (HOLD) Number of programs: 100 programs Acceleration: levels from 0 to 9 Deceleration: levels from 0 to 9 (0 - no braking) 2 °C to 35 °C...

  • Page 25: Appendix

    USER'S MANUAL CENTRIC 260 / R 7. APPENDIX 7.1 CALCULATION OF CENTRIFUGAL FORCE For the calculation of the centrifugal force (RCF), stated as a multiple of the gravitational force "g", use the following formula: RCF = 11.18 x r x ( n / 1000 ) RCF ..

  • Page 26: Transport And Storage

    USER'S MANUAL CENTRIC 260 / R 7.4 TRANSPORT AND STORAGE Transport and storage are allowed only in the original packaging. Remove the rotor from the centrifuge before transport and storage. The centrifuge is heavy. To prevent possible injuries, at least two people should lift and carry the centrifuge by holding it at the bottom from opposite sides.

  • Page 27: Eu Declaration Of Conformity

    Laboratory centrifuge type / model: Centric 260 / R is in conformity with the provisions of the following regulations and also complies with the following standards 1. Directive 2014/35/EU of the European Parliament and of the Council of 26 February 2014 on the...

This manual is also suitable for:

Centric 260 r

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