Hettich KIRSCH LABEX PRO-ACTIVE Series Service Manual

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Refrigerator/freezer

LABEX®-Series PRO-ACTIVE / ULTIMATE

Read the instructions prior to performing any task!

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Page 1 Service manual Refrigerator/freezer LABEX®-Series PRO-ACTIVE / ULTIMATE Read the instructions prior to performing any task!
Page 2 Philipp Kirsch GmbH Im Lossenfeld 14 77731 Willstätt-Sand GERMANY Telephone: +49 781 9227-0 Fax: +49 781 9227-200 Email: info@kirsch-medical.de Internet: www.kirsch-medical.de D1223_04.25_KD_Typ(LABEX468eco)_ab Fabriknummer 460 33 35000 Schlüsselschalter, 2, en_GB © Philipp Kirsch GmbH 2024 Refrigerator/freezer LABEX®-Series PRO-ACTIVE / ULTIMATE 09.04.2025...
Page 3: Supplemental Directives
Supplemental directives Target audience This manual is aimed at the following persons: Personnel: Customer service Certified refrigeration technician Models This manual is valid for the following model: Area Model Serial number from Laboratory cooling 460 33 35000 ® LABEX 468 PRO- ACTIVE The unit has the following specifications: independent and quiet defrosting...
Page 4 Supplemental directives Illustrations The illustrations in this manuals are examples. They are intended for a basic understanding and may vary depending on the model. Refrigerator/freezer LABEX®-Series PRO-ACTIVE / ULTIMATE 09.04.2025...
Page 5: Table Of Contents
Table of contents Table of contents Safety................... 7 1.1 Symbols in this manual..........7 1.2 Intended use..............8 1.3 Foreseeable misuse............. 8 1.4 Residual risks............... 9 1.5 Safety labelling............12 1.6 Personnel qualification..........13 1.7 Personal protective equipment........14 Detailed function description.......... 17 2.1 Details on control............
Page 6 Table of contents 6.4 Spare parts list............52 Index................... 57 Refrigerator/freezer LABEX®-Series PRO-ACTIVE / ULTIMATE 09.04.2025...
Page 7: Safety
Safety Symbols in this manual Safety This section provides an overview of all important safety aspects for optimal protection of patients and staff, and for safe and trouble-free operation of the unit. Non-compliance with the instructions and safety warnings in this instruction manual can cause considerable risks.
Page 8: Intended Use
Safety Foreseeable misuse Other markings Mark Explanation Step-by-step instructions ð Results of actions References to sections in this manual Lists without a specified order 1.2 Intended use The unit is a laboratory refrigerator with an explosion-proof interior. The laboratory refrigerator is used for commercial storage of bio- logical and chemical substances.
Page 9: Residual Risks
Safety Residual risksResidual risks 1.4 Residual risks Improper use DANGER! Danger of igniting a potentially explosive atmos- phere if used improperly! A corresponding risk assessment must be carried out and the proper explosion protection measures must be defined on the basis thereof. The comments from Note a Art.
Page 10 Safety Residual risksResidual risks Electrostatic discharge DANGER! Danger due to electrostatic discharge! Electrostatic charging and discharging endangers or invalidates the function of the explosion-protected inte- rior. Make sure that no electrostatic discharge can take place in the interior. – Before working in the interior of the unit, touch an earthed item (e.g.
Page 11 Safety Residual risksResidual risks Tilting the unit WARNING! Danger of crushing injuries from falling unit! If the unit is tilted, it will fall over in an uncontrolled fashion. When the unit falls over, there is a danger of crushing to the hands and feet. –...
Page 12: Safety Labelling
Safety Safety labelling Contamination of chilled goods CAUTION! Danger to chilled goods due to contamination! A dirty unit can contaminate the stored chilled goods. A contamination can damage or destroy the chilled goods. – Do not store contaminated chilled goods in the unit. –...
Page 13: Personnel Qualification
Safety Personnel qualification Symbol Meaning CE labelling Read the instructions for use Manufacturer Date of manufacture Serial number Attention Old devices must be disposed of separately from household waste. Batteries or rechargeable batteries that are not permanently installed must be removed before- hand and disposed of separately.
Page 14: Personal Protective Equipment
Safety Personal protective equipment Personnel qualifications These instructions specify the personnel qualifications required for the various areas of activity listed below: Certified refrigeration technician Due to their specialist qualification, knowledge and experience, and knowledge of the applicable standards and regulations, certi- fied refrigeration technicians are able to perform work on refrigera- tion systems and the refrigerant in question, and identify and avoid potential dangers of their own accord.
Page 15 Safety Personal protective equipment Personnel must wear personal protective equipment when per- forming the various tasks on and with the device. This equipment is referred to separately in the individual chapters in these instruc- tions. This personal protective equipment is explained below: NOTICE! Suitable ESD protective equipment must be worn when using the device in order to protect the stored refriger-...
Page 16 Safety Personal protective equipment Refrigerator/freezer LABEX®-Series PRO-ACTIVE / ULTIMATE 09.04.2025...
Page 17: Detailed Function Description
Detailed function description Details on control Detailed function description 2.1 Details on control Fig. 2: Display and control unit A Key switch B Display and control unit (variable key assignment) C USB port Please find the functions description of the buttons and signs listed below: Tab.
Page 18 Detailed function description Details on control Pos. Button Description Function [Temperature warning max.] Set point upper temperature limit [Start] Start data download via PC-KIT-STICK [Cancel] Cancel data download via PC-KIT-STICK [Temperature warning min.] Set point lower temperature limit. [Target temperature] Set point operation temperature.
Page 19: Temperature Sensor
Detailed function description Error message and buzzer Display Description Function ‘Alarm’ An alarm was triggered. 2.2 Temperature sensor The device is equipped with several temperature sensors. PRO-ACTIVE control: The new sensors are PT1000 and not PTC100. Please see the following table for the functions of the respective temperature sensors: Colour Designation...
Page 20: Safety Regulation
Detailed function description Safety regulation Power failure warning Happens when the unit is no longer being supplied with power. The display alternates between the current temperature and the error message. Units with a battery and PC-KIT record the temperature for approx.
Page 21: Key Switch
Detailed function description Defrosting 2.5 Key switch Tab. 3: Position of the key switch Key posi- Position Function Description tion Switch off unit (for example to perform a restart). The Display shows “0” Switch off unit. To put the unit in a currentless state, unplug the power plug.
Page 22: Data Export On The Device With Pc-Kit-Stick
Detailed function description Data export on the device with PC-KIT-STICK Melt water container (optional) The melt water container is in the interior on the bottom of the unit. The defrost water is collected in it and does not evaporate auto- matically.
Page 23 Detailed function description Data export on the device with PC-KIT-STICK Instruction Display USB stick error Data export failed, reinitialisation neces- sary. To do this, switch off the device using the key switch, then disconnect the device from the mains for 1 minute. Then recommission the device and start data export Press the start button...
Page 24 Detailed function description Data export on the device with PC-KIT-STICK Add a new refrigerator via the menu item "Verwaltung/Kühls- chrank hinzufügen" [Administration/Add refrigerator]. The following window appears: Enter the name of the device and, optionally, the location. Uncheck the box next to "Monitoring an" [Monitoring on]. Set the USB export address if several devices are to be man- aged.
Page 25: Function Check
Function check Checking sensors Function check 3.1 Checking the alarm trigger The temperature display is electronically delayed to correspond to the chilled goods temperature. The electronic delay must be switched off to test the alarm trigger. Set the key switch to 'P'. Press and hold [Temperature warning max.] and [Temperature warning min.] simultaneously for 4 seconds.
Page 26: Initialising The Control And Monitoring Unit
Function check Comparison of actual values Replace the defective component. Ä Chapter 4.5 ‘Replacing sensors’ on page 36 3.3 Initialising the control and monitoring unit By resetting the control and monitoring unit, Con, PAr and iEC errors can be resolved. Set key switch to “0”...
Page 27 Function check Comparison of actual values If the interior temperature is too warm, the control sensor set- ting must be represented as a negative number. – Example: Target temperature +4 °C, measured tempera- ture +6 °C, comparison -2.0 If the interior temperature is too cold, the control sensor setting must be represented as a positive number.
Page 28 Function check Comparison of actual values Set the key switch to "1" to switch to operating mode. Viewing correction of the offset value set It is possible to view the offset correction set when the control sensor has been adjusted (parameter C66). This is transferred to parameters H11 and H36 –...
Page 29: Maintenance And Customization
Maintenance and Customization Status displays and error messages > Status displays Maintenance and Customization DANGER! Danger due to live parts! – Unplug the power plug before carrying out any work. WARNING! Risk of death due to premature reactivation! In the event of reactivation, there is a risk of death for anyone in the danger zone.
Page 30: Error Messages
Maintenance and Customization Status displays and error messages > Error messages Display Buzzer Description Measure Unit key required Standby display: Turn the key switch to posi- The unit is connected to the – tion "1" to switch on the power grid and the key device.
Page 31 Maintenance and Customization Status displays and error messages > Error messages NOTICE! Meaning of “X” for error and status messages X is not shown on the display. – Instead, the display shows a number that describes the relevant part. In normal operation, USB sticks may not be connected to the unit because error displays and acoustic warning signals then do not occur.
Page 32 Maintenance and Customization Status displays and error messages > Error messages Unit key Display Buzzer Description Measure required Fan: Fan does not reach the required minimum speed after restarting the device. The temperature of the chilled goods may fluctuate. Fan: Fan speeds deviate too much from each other.
Page 33 Maintenance and Customization Status displays and error messages > Error messages Unit key Display Buzzer Description Measure required Control error: Error during self-testing in cooling controller. The monitoring circuit is responsible for temperature control. Close the door. Door Open alarm: Check the function of the door contact switch.
Page 34 Maintenance and Customization Status displays and error messages > Error messages Unit key Display Buzzer Description Measure required Incorrect time during data output: In the event of an rtc error, Set the time, date and year. the date and the year must be set.
Page 35: Setting The Time And Date
Maintenance and Customization Switching the door hinge 4.1.3 Setting the time and date Set the key switch to ‘P’. Press the [Target temperature] button twice. ð In 24-hour mode, the display shows the time for approx. 3 seconds. Use the [Min.] or [Max.] button to set the desired time. Confirm using the [Target temperature] button.
Page 36: Switching The Door Handle
Maintenance and Customization Replacing sensors Ä Chapter 4.3 Switch the door handle as described in ‘Switching the door handle’ on page 36. 4.3 Switching the door handle Remove the two white plugs and the insulator on the inside of the door. Unscrew the fixing screws.
Page 37: Replacing The Control And Monitoring Unit
Maintenance and Customization Replacing the door lock Pull the work surface out to the rear. Detach the defective sensor from Remove the connection plug of the defective sensor from the the control and monitoring unit board. Mounting a new sensor Mount the new sensor in the reverse order.
Page 38: Replacing The Door Seal
Maintenance and Customization Replacing the battery Detach and remove the cover plate. Pull the work surface out to the rear. Undo the screw in the machine compartment panel and remove it. Remove the lock. Remove the mounting bracket. Fit the new lock in the reverse order. 4.9 Replacing the door seal The door does not have to be unscrewed to replace the door seal.
Page 39: Replacing The Cooling Machine
Maintenance and Customization Replacing the cooling machine Pull the battery out of the holder. Install the replacement battery in reverse order. 4.12 Replacing the cooling machine WARNING! Danger due to unauthorised intervention in the cooling circuit! The cooling machine contains the natural refrigerant propane R290 / isobutane R600a.
Page 40 Maintenance and Customization Replacing the cooling machine Refrigerator/freezer LABEX®-Series PRO-ACTIVE / ULTIMATE 09.04.2025...
Page 41: Customizing Parameters
Customizing parameters Customizing parameters NOTICE! Material damage from incorrectly set parameters! The basic settings of the unit can be changed using the following parameter lists. This could result in severe damage to the chilled goods or the unit. The parameter settings may only be carried out by trained staff.
Page 42 Customizing parameters Usr level Param- Function description Adjustment range Factory set- eter ting Display of power consumption Read only – Cold room sensor Read only – (Mixed sensor delayed) Superfrost sensor Read only – (not used) Moisture sensor Read only –...
Page 43 Customizing parameters Param- Function description Adjustment range Factory set- eter ting Defrosting interval 0: no automatic defrosting 1...99 h Stop at defrost temperature 0.0…30.0 °C Temperature difference for previous -15,0...0,0 K cooling Drip tray heating delay time 0...60 min "PowerFail" alarm suppression time 0...300 s Recording interval for data logger 0…900 s...
Page 44 Customizing parameters Param- Function description Adjustment range Factory set- eter ting IP mask 0 0...255 IP gateway 3 0...255 IP gateway 2 0...255 IP gateway 1 0...255 IP gateway 0 0...255 MAC address 5 0...0xFF Read only – MAC address 4 0...0xFF Read only –...
Page 45: Appendix
Appendix Appendix The appendix contains the following applicable documents: Technical data Ä Chapter 6.1 ‘Technical data’ on page 46 wiring diagram Ä Chapter 6.2 ‘wiring diagram’ on page 49 Exploded view Ä Chapter 6.3 ‘Exploded view’ on page 51 Spare parts list Ä...
Page 46: Technical Data
Appendix Technical data 6.1 Technical data LABEX® 105 LABEX® 288 LABEX® 340 LABEX® LABEX® 520 465**/468 PRO-ACTIVE PRO-ACTIVE/ PRO-ACTIVE/ PRO-ACTIVE/ PRO-ACTIVE/ ULTIMATE* ULTIMATE* ULTIMATE* ULTIMATE* Cooling capacity, litres Temperature setting +2 to +15 +0 to +15 +0 to +15 +0 to +15 +0 to +15 (approx.), °C Voltage, V...
Page 47 Appendix Technical data LABEX® 105 LABEX® 288 LABEX® 340 LABEX® LABEX® 520 465**/468 PRO-ACTIVE PRO-ACTIVE/ PRO-ACTIVE/ PRO-ACTIVE/ PRO-ACTIVE/ ULTIMATE* ULTIMATE* ULTIMATE* ULTIMATE* Usable size 43 x 36 x 43 52.7 x 39 x 92 52.7 x 39 x 59 x 50 x 116 59 x 45 x 129 (WxDxH), cm (Usable depth...
Page 48 Appendix Technical data LABEX® 720 FR LABEX® FR LABEX® FR LABEX® FR LABEX® PRO-ACTIVE/ PRO-ACTIVE PRO-ACTIVE/ PRO-ACTIVE/ PRO-ACTIVE/ ULTIMATE* ULTIMATE* ULTIMATE* ULTIMATE* Normal consump- 1.23 1.36 4.33 6.68 tion, kWh/24 Perm. ambient tem- +10 to +38 +10 to +32 +10 to +32 +10 to +32 +10 to +32 perature, °C...
Page 49: Wiring Diagram
Appendix wiring diagram 6.2 wiring diagram Fig. 4: 460-004-3_Wiring_Diagram_LABEX 468-ECO PRO-ACTIVE_FU_COMPRESSOR 09.04.2025 Refrigerator/freezer LABEX®-Series PRO-ACTIVE / ULTIMATE...
Page 50 Appendix wiring diagram The wiring diagram configuration varies depending on the model. The legend describes the maximum configu- ration. Operating and display unit Power supply (230V AA/ Control and monitoring board 10VDC) Safety barrier 9001 01-086-150-10 Drip tray heating Safety barrier 9001 01-086-150-10 Melt water evaporation Safety barrier 9001 01-086-150-10 Interior lighting (option)
Page 51: Exploded View
Appendix Exploded view 6.3 Exploded view Fig. 5: 460-054-3_Exploded_View_LABEX-468-ECO PRO-ACTIVE 09.04.2025 Refrigerator/freezer LABEX®-Series PRO-ACTIVE / ULTIMATE...
Page 52: Spare Parts List
Appendix Spare parts list 6.4 Spare parts list Cooling machine Current Meaning item number 12443 Cooling machine VKD 2703K 114660 Compressor rubber buffer 10964 Blower motor 10963 Metal protective grating Capacitor 1.25 µF 10965 10962 Terminal block, relay, Klixon 12645 Inverter for FMX compressor 12566 Screw for compressor mounting...
Page 53 Appendix Spare parts list Housing Current Meaning item number 460433 Machine compartment panel 222226 Machine compartment ventilation grille 223157 Fitting cover with filmed front 125421 Terminal board 460468 Electrical compartment panel 406467 Rear panel 460106 Work surface 253142 Lock for door, closing 1001 270125 Key no.
Page 54 Appendix Spare parts list Interior Current Meaning item number 12152 Fan, LABEX 460429 Cross plate for axial fan 460428 Lower ventilation plate 460419 Upper ventilation plate 340432 Attachment strip for ventilation plate, left 340433 Attachment strip for ventilation plate, right 223140 Support rails 1078 mm 216104...
Page 55 Appendix Spare parts list Option (not depicted) Current Meaning item number 12496 Glass door, right-hand hinge -468 11921 PC-KIT-NET 223064 Drawer, black, electr. conductive complete with rails, longitudinal and cross dividers 223153 Drawer, black, elect. conductive 11808 Cabinet rail, right 11809 Cabinet rail, left 11810...
Page 56 Appendix Spare parts list Refrigerator/freezer LABEX®-Series PRO-ACTIVE / ULTIMATE 09.04.2025...
Page 57 Index Index Additional defrosting ..... 21 Images on the display (overview) ... 17 Appendix .
Page 58 Index Replacing the interior blower ....37 Residual risks ......9 Safety .

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