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Hermle Z 400 K Service Instructions Manual
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Hermle Z 400 K Service Instructions Manual

Table top refrigurated centrifuge
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Service Instructions
for
Table Top Refrigurated Centrifuge
Z 400 K

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Summary of Contents for Hermle Z 400 K

  • Page 1 Service Instructions Table Top Refrigurated Centrifuge Z 400 K...
  • Page 2 CONTENTS 6 TECHNICAL DATA 7 SERVICE INSTRUCTIONS 8 TROUBLE SHOOTING...
  • Page 3 CONTENTS 9 MAINTENANCE 10 CIRCUIT DIAGRAMS 11 SPARE PARTS LIST...
  • Page 4 6 TECHNICAL DATA 6.1 Acceleration times Z 400 and Z 400 K (120 V / 230 V) in seconds Rotor-number fast slow 220.27 V02 220.86 V01 220.50 V06 220.81 V06 220.96 V02 220.97 V02 220.87 V03/V04 220.88 V01 220.92 V01 221.02 V01...
  • Page 5 6 TECHNICAL DATA 6.4 Lowest temperatures Z 400 K (120 V / 230 V) Rotor-number max.-rpm 220.27 V02 - 8°C 220.86 V01 - 8°C 220.50 V06 - 10°C 220.81 V06 - 10°C 220.96 V02 - 10°C 220.97 V02 - 10°C 220.87 V03/V04...
  • Page 6 7 SERVICE INSTRUCTIONS 7.1 General technical description Z 400 K Z 400 K Please follow below mentioned safety instructions for any kind of service actions: 7.2 Electrical and electronically components 7.2.1 Power board 7.2.2 Operation / Control panel...
  • Page 7 7 SERVICE INSTRUCTIONS 7.2.3 Frequency converter 7.2.4 Rotor recognition and over speed protection 7.2.5 Speed signal 7.2.6 Lid contact 7.2.7 Imbalance detection...
  • Page 8 7 SERVICE INSTRUCTIONS 7.3 Self test program 7.3.1 Activating the self test program The program can be started as follows: 7.3.2 Keyboard test DIGIT...
  • Page 9 7 SERVICE INSTRUCTIONS 7.3.3 Indication test 7.3.4 Input signal test ATTENTION: During this self test it is possible that the motor is triggered uncontrolled by the converter. That means, the motor could start turning without pressing the "START" key. Please make sure there is nothing inside the rotor chamber except the tightened rotor during the self test.
  • Page 10 7 SERVICE INSTRUCTIONS Lid lock: Speed sensor: Rotor sensor:...
  • Page 11 7 SERVICE INSTRUCTIONS Imbalance sensor: Serial interface: Converter (readiness for service): The input signal test can be exited by pressing the "STOP" key and returned to the main menue.
  • Page 12 7 SERVICE INSTRUCTIONS 7.3.5 Output signal test Break or Fan relay: Refrigeration: Converter relay: Lid lock:...
  • Page 13 7 SERVICE INSTRUCTIONS AC: without function The output signal test can be exited by pressing the "STOP" key. 7.3.6 Indication of software version 7.3.7 Extracting frequency converter data Converter voltage coding:...
  • Page 14 7 SERVICE INSTRUCTIONS Link voltage: Converter software version: 7.3.8 Motor run-in Exit the self test program by switching the centrifuge off.
  • Page 15 7 SERVICE INSTRUCTIONS 7.3.9 Operation menu 7.3.9.1 Starting the operation menu 7.3.9.2 Operation hours indication 7.3.9.3 Operation minutes indication...
  • Page 16 7 SERVICE INSTRUCTIONS 7.3.9.4 Start counter D Exit the operation menu by switching the centrifuge off. 7.4 Mounting support After performing any kind of assembling work, please make sure all the grounded contacts are connected correctly! 7.4.1 Replacing the control panel...
  • Page 17 7 SERVICE INSTRUCTIONS 7.4.2 Replacing the lid lock 7.4.3 Removing the housing...
  • Page 18 7 SERVICE INSTRUCTIONS 7.4.4 Removing the lid...
  • Page 19 7 SERVICE INSTRUCTIONS 7.4.5 Replacing the motor...
  • Page 20 7 SERVICE INSTRUCTIONS 7.4.6 Replacing the power board 7.4.7 Replacing the frequency converter...
  • Page 21 7 SERVICE INSTRUCTIONS 7.4.8 Adjusting the imbalance sensor...
  • Page 22 7 SERVICE INSTRUCTIONS 7.5 Refrigeration system 7.5.1 Functional description of the refrigeration system 7.5.2 Refrigeration scheme...
  • Page 23 7 SERVICE INSTRUCTIONS 7.5.3 Emptying and filling the refrigeration system (refrigerant R 404 a) Emptying the refrigeration system: Filling the refrigeration system: ATTENTION: You must use refrigerant type R 404 a only! Filling amount is 500 g!
  • Page 24 7 SERVICE INSTRUCTIONS...
  • Page 25 8 TROUBLE SHOOTING 8.1 Error messages: cause / solution Preface: 8.2 Survey of possible error messages and their solutions 8.2.1 Lid release during power failure (Emergency Lid Release)
  • Page 26 8 TROUBLE SHOOTING 8.2.2 Description of the error message system The digits in the "SPEED" display have the following meaning: • Error No. 1 – 49 (forced stop) • Error No. 50 – 99 (emergency stop) 8.2.3 Error messages Error No. 1: Imbalance...
  • Page 27 8 TROUBLE SHOOTING Error No. 2: Permanent imbalance signal Error No. 10: Chamber overtemperature (above +50°C) Error No. 11: Temperature sensor defective Error No. 25: Power failure Error No. 36: Relay of the frequency converter cannot be released / lid cannot be opened Error No.
  • Page 28 8 TROUBLE SHOOTING Error No. 54: Wrong configuration Error No. 55: Overspeed Error No. 60: Engine speed sensor signal is missing Error No. 82: Cut off power board – frequency converter Error No. 83: Preset speed cannot be reached Error No. 84: Overtemperature frequency converter Error No.
  • Page 29 9 MAINTENANCE 9.1 Service and maintenance 9.1.1 Maintenance and cleaning Maintenance: Cleaning: The maintenance procedure has to be repeated every 10 to 15 runs, but at least once a week.
  • Page 30 9 MAINTENANCE 9.1.2 Glass breakage 9.1.3 Disinfection ATTENTION: Before applying any other cleaning resp. decontamination method than recommended by the manufacturer, contact the manufacturer to ensure yourself, you would not damage the unit or the rotor by applying the designated method!
  • Page 31 10 CIRCUIT DIAGRAMS 10.1 Flow diagram 10.1.1 Flow diagram 230 V / 50-60 Hz (page 1)
  • Page 32 10 CIRCUIT DIAGRAMS 10.1.1 Flow diagram 230 V / 50-60 Hz (page 2)
  • Page 33 10 CIRCUIT DIAGRAMS 10.1.2 Flow diagram 120 V / 50-60 Hz (page 1)
  • Page 34 10 CIRCUIT DIAGRAMS 10.1.2 Flow diagram 120 V / 50-60 Hz (page 2)
  • Page 35 10 CIRCUIT DIAGRAMS 10.2 Power board 10.2.1 Assembly plan...
  • Page 36 10 CIRCUIT DIAGRAMS 10.2.2 Circuit diagram...
  • Page 37 10 CIRCUIT DIAGRAMS 10.3 Control panel 10.3.1 Assembly plan...
  • Page 38 10 CIRCUIT DIAGRAMS 10.3.2 Circuit diagram (page 1)
  • Page 39 10 CIRCUIT DIAGRAMS 10.3.2 Circuit diagram (page 2)
  • Page 40 11 SPARE PART LIST ARTICLE ORDER NO. IDENT NO.