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Lauda Versafreeze VF 75085 C Operation Manual

Low temperature chest freezer
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Operation manual
Versafreeze low temperature chest freezers
VF 20040 C, VF 55040 C, VF 75040 C, VF 20085 C, VF 55085 C, VF 75085 C
V3
Read this manual prior to performing any task!

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Summary of Contents for Lauda Versafreeze VF 75085 C

  • Page 1 Operation manual Versafreeze low temperature chest freezers VF 20040 C, VF 55040 C, VF 75040 C, VF 20085 C, VF 55085 C, VF 75085 C Read this manual prior to performing any task!
  • Page 2 Manufacturer: LAUDA DR. R. WOBSER GMBH & CO. KG Schulze-Delitzsch-Straße 4+5 30938 Burgwedel Germany Telephone: +49 (0)5139 9958-0 E-mail:  info@lauda.de Internet: https://www.lauda.de Translation of the original operation manual Q4DT-E_13-015_V3, 1, en_US 06/27/2024 © LAUDA 2024 2 / 100 Versafreeze low temperature chest freezers...
  • Page 3 Table of contents Safety...................................... 7 Safety structure of the device............................7 Obligations of the operator............................8 EMC requirements............................... 8 Software versions................................8 Intended use................................... 9 Unintended use................................9 Foreseeable misuse............................... 9 Type of power supply..............................9 Prohibition of modifications to the device......................... 9 1.10 Ambient conditions and operating conditions......................
  • Page 4 Touch operating unit..............................22 Operating elements..............................25 4.4.1 Mains switch............................. 25 4.4.2 Refrigeration compartment lock......................25 Rating label.................................. 26 Internal data logger..............................26 Limit values USr user level, factory setting......................27 Before starting up................................28 Installation..................................28 Selecting the menu language............................. 29 Setting the date and time............................
  • Page 5 7.6.2 Setting up an email server configuration....................60 Resetting an alarm............................... 61 Internal data logger and history function........................61 Variant: Operating the device with CO safety cooling................62 7.10 Variant: Water cooling..............................64 Maintenance..................................66 General safety instructions............................66 Maintenance plan................................ 67 Cleaning the device..............................
  • Page 6 Storage system............................93 General....................................94 14.1 Copyright..................................94 14.2 Technical changes............................... 94 14.3 Warranty conditions..............................94 14.4 Contact LAUDA................................ 94 14.5 Declaration of Conformity............................95 14.6 Certificate..................................96 14.7 Product Returns and Clearance Declaration......................98 Index..................................... 99 6 / 100...
  • Page 7 The device is not designed for use in medical applications in accordance with DIN EN 60601-1 and IEC 601-1. If this operating manual is lost, contact LAUDA Service. You can find the contact information here Ä Chapter 14.4 “Contact LAUDA” on page 94.
  • Page 8 An overview of authorized personnel and protective equipment can be found in Ä Chapter 1.15 “Description of personnel qualifica- tions” on page 11 and Ä Chapter 1.16 “Description of personal protective equipment” on page 11. Refer to Ä Chapter 1.20 “Structure of warnings” on page 14 for more information on the general structure of safety notices.
  • Page 9 1.5  Intended use The LAUDA Versafreeze is a low temperature chest freezer designed for industrial applications. Low temperature chest freezer models VF 20040 C, VF 55040 C and VF 75040 C can operate at temperatures as low as -40 °C.
  • Page 10 1.10  Ambient conditions and operating conditions Observe the following requirements when setting up the device: The installation site must be level and horizontal and suitable for sup- porting the weight of the device. Only used inside buildings Use up to a maximum height of 2,000 m above sea level Maximum relative humidity 80 percent, non-condensing Fluctuations of the mains voltage up to ±10 of the nominal voltage Overvoltage category II...
  • Page 11 1.15  Description of personnel qualifications Forklift driver The forklift driver must be 18 years old or over and have physical, mental and character-related qualities that are suitable for driving industrial trucks that have a driver's seat or driver's cab. Furthermore, the forklift driver has been trained to drive industrial trucks that have a driver's seat or driver's cab.
  • Page 12 Protective work clothing Protective work clothing is tight-fitting work clothing with a low tear resist- ance, tight sleeves and no protruding parts. It is primarily used to protect personnel from becoming caught in moving machine parts. Do not wear rings, necklaces or other jewelry. Safety glasses Safety glasses are used to protect the eyes from flying parts and liquid splashes.
  • Page 13 During the emergency program, the temperature may vary from the set temperature in the compartment. 1.17.3  Mains power failure In the event of a mains power failure, an acoustic warning signal sounds (1 second on – 1 second off) and the potential-free alarm contact is acti- vated.
  • Page 14 Flammable The “Flammable” warning symbol is attached to devices filled with nat- ural refrigerants. This symbol warns of the flammability of natural refrigerant. 1.19  Residual risks The safety instructions/warning information in the operating instructions describe any residual risks on the device. 1.20 ...
  • Page 15 Notice A "notice" warns that dangers to property or the environment may exist. NOTICE! Type and source Consequences of not following instructions Measure 1  Measure...  Versafreeze low temperature chest freezers 15 / 100...
  • Page 16 If you discover that the transport packaging is damaged: Place/store the device in a well-ventilated location with no  sources of ignition. Do not operate the device.  Contact LAUDA Service.  CAUTION! Transport damage Cutting Closely inspect the device for transport damage prior to ...
  • Page 17 Also notify the LAUDA Service department immediately. Refer to Ä Chapter 14.4 “Contact LAUDA” on page 94 for contact details, and place/store the device in a well-ventilated location with no sources of ignition.
  • Page 18 3  Transport 3.1  Transporting the deep-freezer WARNING! Operating error when pushing, rollover hazard due to casters Risk of injury from rolling over, impacts Do not roll the device over your feet or other parts of your  body. Move the device carefully, ask several people to help, if ...
  • Page 19 NOTICE! Setting up the device Equipment damage/material damage/malfunction The device must be at the permissible ambient temperature  when started up. If not, the device must be acclimatized. 3.2  Transport with an industrial truck The deep-freezer can be transported using an industrial truck under the following conditions: The device must be secured to the industrial truck (secure load).
  • Page 20 Structure and function 4.1  Device function description LAUDA Versafreeze low temperature chest freezers, models VF 20040 C, VF 55040 C, VF 75040 C with adjustable temperature range from -0 °C to -40 °C operate with a high-performance compressor. Device models VF 20085 C, VF 55085 C, VF 75085 C have two high-performance compressors that cover a temperature range of -50 °C to -86 °C.
  • Page 21 Rear view Fig. 4: Rear view Refrigeration compartment lid Swivel castors Detailed rear view Fig. 5: Detailed view Mains cable Vacant Interface Refrigeration compartment lid contactor "Potential equalization” position indication label Warning sign Type plate (example) Versafreeze low temperature chest freezers 21 / 100...
  • Page 22 4.3  Touch operating unit General overview of Touch operating unit Fig. 6: Touch operating unit Touch operating unit display Status indicator LED USB interface Touch operating unit display Fig. 7: Touch operating unit Menu Current cooling chamber temperature display ON/OFF status indicator Fans, rotating symbols = fan on condenser is active Compressor 2, two-stage, rotating symbols = com- pressor is active 22 / 100...
  • Page 23 Compressor 1, single-stage, rotating symbols = com- pressor is active History Settings/controller settings Internal data logger, history Set point cold room temperature Controller Type Login and user profile display format Pressing the button (11) displays the controller view. Pressing the button (9) displays the internal data logger and history view. Pressing the button (8) displays the settings/controller settings view.
  • Page 24 Pressing the button (7) displays the history view. Status indicator LED LED 2, auxiliary device ("SNOWFLAKE" symbol) Toggle button LED 1, normal cooling ("i" symbol) Fig. 8: Status indicator LED LED 1 (normal cooling) LED status Description Green Active, no errors/faults during normal cooling All other instances, such as: Fig. 9: LED1 - Connection failure...
  • Page 25 LED status Description Yellow, flashing Solenoid valve active (coolant (CO or LN ) is injected), no errors present. Coolant is only injected when the cover is closed. Safety cooling system not connected. All other instances, such as: - Collective fault - Standby 4.4 ...
  • Page 26 4.5  Rating label Specification Example Description °LAUDA Made in Ger- Manufacturer LAUDA, manu- many factured in Germany Type: VF 75085 C Device type Part No.: L003340 Device item number Serial no.: S24xxxxxxxx Serial number of the device Refrigerant I: R 290...
  • Page 27 Note: In order to edit data, the "ST-Studio" software must be installed on the corresponding device. The software is available free of charge from the manufacturer LAUDA. For more information, contact LAUDA Service. 4.7  Limit values USr user level, factory setting...
  • Page 28 Switch off the device and disconnect from the main power  supply. Place/store the device in a well-ventilated location with no  sources of ignition. Contact LAUDA Service.  28 / 100 Versafreeze low temperature chest freezers...
  • Page 29 NOTICE! Setting up the device Equipment damage/material damage/malfunction The device must be at the permissible ambient temperature  when started up. If not, the device must be acclimatized. Always observe the following: Note the electromagnetic compatibility (EMC) requirements of the device.
  • Page 30 Press the [Language] button (2). The language selection screen opens.  Fig. 17: Settings_Language Select the language (German, English, French) on the Touch oper- ating unit display. The display view switches to the controller view.  After a few seconds, the display will switch to the selected lan- ...
  • Page 31 Press the [Settings] button (1). Fig. 21: Settings Press the [Date/Time] button (2). The display view for changing the date/time opens.  Fig. 22: Settings_Date/Time When individual buttons (3) and (4) are pressed, a numeric keypad appears. Enter relevant values for the date and time. ...
  • Page 32 Press the [Settings] button (1). Fig. 25: Settings Press the [Temperature Unit] button (2). A new display view opens.  Fig. 26: Settings_Temperature Unit Select the required unit by pressing the corresponding button (3). Press the button (4) to confirm. The selected unit is active. ...
  • Page 33 Press the [Settings] button (1). Fig. 29: Settings Press the [Record interval] button (2). A new display view opens.  Fig. 30: Settings_Record interval Set the relevant time (10 to 1500 seconds) by moving the slide button (7), pressing the [+] (5) and [-] (3) buttons, or entering the value directly (4).
  • Page 34 Press the [Information] button (1). Fig. 33: Information Press the [Plant name] button (2). A keyboard appears.  Fig. 34: Information_Plant name Change the plant name and press the button (3) to save. The new plant name is active.  Fig. 35: Keyboard 5.7  Displaying software information Display the software information as follows: Press the [Menu] icon.
  • Page 35 Press the [Information] button (1). Fig. 37: Information Press the [Software] button (2). A list of software information appears.  Fig. 38: Information_Software Scroll through the software list using the buttons (3). Fig. 39: Software 5.8  Displaying copyright information Display the copyright information as follows: Press the [Menu] icon. Fig. 40: Menu icon Versafreeze low temperature chest freezers 35 / 100...
  • Page 36 Press the [Information] button (1). Fig. 41: Information Press the [Copyright] button (2). A list of copyright information appears.  Fig. 42: Information_Copyright Scroll through the copyright list using the buttons (3). Fig. 43: Copyright 36 / 100 Versafreeze low temperature chest freezers...
  • Page 37 6  Commissioning 6.1  Establishing a mains connection DANGER! Risk of short circuit due to failure to observe the acclimatization time Electric shock Allow a "cold" device to first acclimatize to the ambient  temperature. Wait until the device reaches the ambient temperature ...
  • Page 38 NOTICE! Use of impermissible mains voltage or mains frequency Device damage Compare the type plate with the available mains voltage and  mains frequency. Only connect to the power supply if the specifications are  compliant. The main switch must be set to position "0" [Off]. ...
  • Page 39 6.2  Switching the device on and off Switching on the device Set the mains switch to the "I" position, see Ä Chapter 4.4.1 “Mains switch” on page 25. Once the device has started up (after approximately 5 seconds),  the overtemperature alarm [Tmax 1] is shown on the Touch oper- ating unit display and the alarm signal sounds.
  • Page 40 Instructions for switching off: Fig. 49: ON/OFF icon If you intend to switch off the device for longer periods, press the [ON/OFF] tile on the Touch operating unit. [OFF] appears on the display  Set the mains switch to the "O" position, see Ä Chapter 4.4.1 “Mains switch”...
  • Page 41 6.4  Selecting a user profile Press the [Login and user profile display] icon on the operating unit. The display switches to the "Login" overview.  Fig. 54: Login and user profile display Select the required user profile (Admin 1, Guest, Service or User). A keyboard appears.
  • Page 42 Press the [Menu] icon on the operating unit. The menu overview opens.  Fig. 57: Menu icon Press the [User administration] button (1). Fig. 58: User administration Press the [User] button (2). The "User" overview opens.  Fig. 59: User administration_User Press the button (4) to scroll down in the user overview and press the button (3) to scroll up in the menu.
  • Page 43 Select the user. Press the [Edit] button (5). A keyboard appears.  Fig. 61: User overview Enter the "new" password using the keyboard and save by pressing the button (6). The password has been changed.  Pressing the [Previous level] button (7) changes the view. The display switches to the "Home screen"...
  • Page 44 Press the [User] button (2). The "User" overview opens.  Fig. 65: User administration_User Press the button (3). A keyboard appears.  Fig. 66: User overview Enter the "new" user name using the keyboard and save by pressing the button (4). The new user name has been created. ...
  • Page 45 Press the [User administration] button (1). Fig. 69: User administration Press the [Rights] button (2). The "Rights" overview opens.  Fig. 70: User administration_Rights You can navigate through the various created profiles by pressing the button (3) or (5). The display (4) shows which user profile is currently active. ...
  • Page 46 Press the [User administration] button (1). Fig. 73: User administration Press the [Auto logout] button (2). The "Auto logout" overview opens.  Fig. 74: User administration_Auto_Logout Set the relevant time (1 to 60 minutes) by moving the slide button (8), pressing the [+] (5) and [-] (3) buttons, or entering the value directly (4).
  • Page 47 6.9  Selecting and displaying control curves Press the [Data logger] icon on the Touch operating unit. The control curve overview opens.  Fig. 77: Data logger icon Briefly tap button [F1] (1), [F2] (2) or [Bat] (3) to display their designation to the left of the buttons.
  • Page 48 Press the [Parameters] button (2). Fig. 81: Controller_Parameters Select the controller by pressing the button (3). Fig. 82: Controller_Parameters_Controller type Press the [A-alarms] button (4). Fig. 83: Alarms Press the buttons (6) to scroll to the relevant alarm message. Press the button (5) to select the alarm message (A6). The window for modifying the alarm delay opens.
  • Page 49 Set the relevant time (0 to 7200 seconds) by moving the slide button (11), pressing the [+] (9) and [-] (7) buttons, or entering the value directly (8). Press the [Save] button (10). The new device lid time delay is active. ...
  • Page 50 Select the controller by pressing the button (3). Fig. 89: Controller_Parameters_Controller type Press the [A-alarms] button (4). Fig. 90: Alarms Press the buttons (6) to scroll to the relevant alarm message. Press the button (5) to select the alarm message (A13). The window for modifying the limit value opens. ...
  • Page 51 6.10.3  Setting a limit value for the overtemperature alarm If the cold room temperature exceeds the factory preset upper limit value (absolute/relative), the overtemperature alarm is triggered. Default value, see also Ä Chapter 4.7 “Limit values USr user level, factory setting” on page 27.
  • Page 52 Press the [A-alarms] button (4). Fig. 97: Alarms Press the buttons (6) to scroll to the relevant alarm message. Press the button (5) to select the alarm message (A15). The window for modifying the limit value opens.  Fig. 98: Alarm message A15 Set the relevant temperature difference (-199 K to 999 K) by moving the slide button (11), pressing the [+] (9) and [-] (7) buttons, or entering the value directly (8).
  • Page 53 7  Operation 7.1  Safety information 7.1.1  General safety instructions DANGER! Short circuit due to water in the main switch Electric shock Prevent liquids from entering the electrical components  inside the device. Protect the device from splash water.  Observe the protection level and protection class specified ...
  • Page 54 7.2  Adjustment of the cooling chamber temperature set point After the device is switched on at the mains switch, see Ä Chapter 4.4.1 “Mains switch” on page 25, and on the Touch operating unit, see Ä Chapter 4.3 “Touch operating unit” on page 22, the display shows the current tem- perature (2) in the cold room.
  • Page 55 7.3  Storing and retrieving refrigerated goods CAUTION! Missing protective equipment Personal injury, risk of frostbite If the temperature in the refrigeration compartment is low, take the following measures: Always wear suitable cold protection gloves when storing  and retrieving refrigerated goods. Arms must also be covered.
  • Page 56 Press the [Alarm management] button (1). Fig. 104: Alarm management Select the [Alarm 1] (2) or [Alarm 2] (3) button. The display switches to the "Alarm 1" or "Alarm 2" view.  Fig. 105: Alarm management_Alarm 1 or Alarm 2 Press the [Add] button (4). The display switches to the "Controller"...
  • Page 57 Note: In order to edit data, the "ST-Studio" software must be installed on the corresponding device. The software is available free of charge from the manufacturer LAUDA. For more information, contact LAUDA Service. Versafreeze low temperature chest freezers...
  • Page 58 When exporting data using a USB stick, please note the following: Use a USB stick with 16 GB or 32 GB of storage (manufacturer recom- mendation). The storage on the USB stick used cannot exceed 64 GB. Perform standard formatting, do not execute quick formatting. Use format "FAT 32".
  • Page 59 Sending alarm messages via email requires an Ethernet connection. Furthermore, the user profile "Admin 1" must also be selected. 7.6.1  Setting up email addresses Press the [Menu] icon. Fig. 115: Menu icon Press the [eMail configuration] button (1). Fig. 116: eMail Configuration Press the [Address book] button (2). The address book opens.
  • Page 60 When the "Name", "Email address", "Comment", "Interval" or "Last test" button is tapped, a keyboard appears. Enter the relevant data and confirm. Then press the button (4) to save the "Recipient view". The entered email recipient is saved.  To enter the names of other recipients who should receive notification of an alarm, repeat steps "4"...
  • Page 61 When the input fields are tapped, a keyboard appears. Enter the relevant data and confirm. Then press the button (3) to save the "Email server view". The entered email server data is saved.  To enter the required data, contact the responsible IT department or the email provider.
  • Page 62 7.9  Variant: Operating the device with CO safety cooling If the cooling system of a LAUDA Versafreeze deep-freezer fails, the cooling temperature of this device variant can be kept constant through the controlled addition of CO , which will prevent the temperature in the refrigeration compartment from increasing excessively.
  • Page 63 DANGER! Gas displaces atmospheric oxygen or negatively affects oxygen absorption Danger of asphyxia Ventilate rooms adequately.  Personnel: Refrigeration specialist Protective equipment: Cold protection gloves Safety glasses Read and follow the instructions for "CO safety cooling" for installation, starting up, operation and maintenance. Versafreeze low temperature chest freezers 63 / 100...
  • Page 64  cleaner suitable for liquids. Installing a heat exchanger (water-refrigerant) instead of a condenser in the LAUDA Versafreeze deep-freezer significantly reduces the heat discharged from the device into the ambient air, thereby extending the permissible working temperature range. This process is pressure-controlled by the deep-freezer.
  • Page 65 Remove the cover by loosening the two knurled screws (1). Fig. 130: Cover Fig. 131: Cover removed Turning the adjustment wheel (2) toward "1" on the scale (3) increases the cooling water volume, whereas turning the wheel toward "5" on the scale (4) reduces the cooling water volume. Note the new value on the label.
  • Page 66 8  Maintenance 8.1  General safety instructions DANGER! Contact with live or moving parts Electric shock, impacts, cutting, crushing Before any maintenance work is performed, the device  must be disconnected from the mains power and the mains switch must be set to the [O] position. Only skilled certified personnel are permitted to perform ...
  • Page 67 WARNING! Risk of mechanical damage to refrigerant circuit Explosion, fire Only trained personnel permitted to perform service work.  Ventilate the room thoroughly without delay.  During this period, do not operate any switches on the  device or anywhere else in the room. Do not ignite flames or sparks and refrain from smoking.
  • Page 68 We recommend using ethanol as a decontaminant. If you are unsure whether decontaminants or cleaning agents are compatible with device parts or the materials contained in those parts, please contact LAUDA Service. 8.4  Cleaning the condenser fins...
  • Page 69 Clean the fins on the condenser with a brush or use a vacuum cleaner or compressed air to clean the fins. Do not apply pressure to, or damage, the fins. Connect the device to the mains power supply, see Ä Chapter 6.1 “Establishing a mains connection”...
  • Page 70 Personnel: Instructed person Protective equipment: Protective work clothing Protective gloves Safety glasses The system can be flushed while the device is operating. The device does not have to be emptied or disconnected from the power supply. In order to ensure an optimal flushing process, the compressor(s) must be active during the flushing process.
  • Page 71 Fig. 134: Adjustment wheel Move the cooling water volume controller from the current position to position "1" on the scale (3) by turning the adjustment wheel (2). Leave the cooling water volume controller in this position for about three minutes. Then turn the controller back to the original position. Loose deposits from the deep-freezer water cooling system are ...
  • Page 72 Have sensor replaced by sensor 2 too high LAUDA Service.   Battery unsuitable Battery is unsuitable/battery Contact LAUDA Service (data logger battery) values do not comply with and install the battery rec- the preset default values ommended by the manufac- turer.
  • Page 73 Move the device to another loca- tion. The ventilator fan may have failed. Contact LAUDA Service. Have alarms such as the power failure or door contact alarms been previ- ously triggered? Rectify the fault.
  • Page 74 EP2 memory error Flash error irreparable/rein- If necessary, replace the stall software controller board. Contact LAUDA Service. Controller not found   Contact LAUDA Service. Internal communica- Possible switch on/off (min. Contact LAUDA Service. tion issue 10 sec.) Memory error in  ...
  • Page 75 10  Decommissioning 10.1  General information on decommissioning NOTICE! When decommissioning the device or if there is a risk of freezing: Empty the cooling water system using compressed air.  Empty the cooling water system using an industrial vacuum  cleaner suitable for liquids. Information on decommissioning Remove refrigerated goods from the refrigeration compartment, see Ä...
  • Page 76 11  Disposal 11.1  Disposing of refrigerant DANGER! Incorrect handling Fire Disposal work on the refrigeration system may only be  performed by skilled, certified personnel who are trained to handle flammable refrigerants. WARNING! Uncontrolled leaking of refrigerant Fire Never dispose of a cooling circuit that is still pressurized. ...
  • Page 77 12  Technical data The device sound pressure level is below 70 dB. According to EC Directive 2006/42/EC the sound pressure level of the devices is therefore not specified further. 12.1  Touch operating unit data Designation/details Description/value Unit Display type TFT color display, touch screen Display size Inches Display resolution...
  • Page 78 Designation/details   Value/designation Unit VF 20040 C VF 20085 C VF 55040 C Empty weight VF 55085 C VF 75040 C VF 75085 C VF 20040 C N/cm VF 20085 C N/cm VF 55040 C N/cm Floor load-bearing capacity required at the installation location VF 55085 C N/cm...
  • Page 79 Designation/details   Value/designation Unit VF 20040 C VF 55040 C VF 75040 C Power consumption at 230 V / 50 Hz VF 20085 C VF 55085 C VF 75085 C VF 20040 C VF 55040 C VF 75040 C Power consumption at 115 V / 60 Hz VF 20085 C VF 55085 C VF 75085 C...
  • Page 80 12.4  Refrigerant and filling charge The device contains flammable refrigerants. Table 2: Refrigerant filling, first stage, air cooling VF 20040 C   VF 55040 C Unit VF 75040 C Refrigerant R 1270 Maximum filling weight 0.145 VF 20085 C   VF 55085 C Unit VF 75085 C Refrigerant...
  • Page 81   VF 75085 C Unit Refrigerant R 170 Maximum filling weight 0.084 12.5  Circuit diagram 12.5.1  Legend for the following circuit diagrams Single-board refrigeration controller Touch operating unit Over pressure switch, first stage Over pressure switch, second stage Microfuse 1.6 AT Microfuse 1.6 AT Mains switch Main contactor...
  • Page 82 12.5.2  Circuit diagram: VF 20040 C, 115V/60Hz Fig. 136: Schaltplan_Tiefkühltruhe_VF20040C_115V_60Hz 82 / 100 Versafreeze low temperature chest freezers...
  • Page 83 12.5.3  Circuit diagram: VF 20040 C, 230V/50Hz Fig. 137: Schaltplan_Tiefkühltruhe_VF20040C_230V_50Hz Versafreeze low temperature chest freezers 83 / 100...
  • Page 84 12.5.4  Circuit diagram: VF 20085 C, 115V/60Hz Fig. 138: Schaltplan_Tiefkühltruhe_VF20085C_115V_60Hz 84 / 100 Versafreeze low temperature chest freezers...
  • Page 85 12.5.5  Circuit diagram: VF 20085 C, 230V/50Hz Fig. 139: Schaltplan_Tiefkühltruhe_VF20085C_230V_50Hz Versafreeze low temperature chest freezers 85 / 100...
  • Page 86 12.5.6  Circuit diagram: VF 55040 C and VF 75040 C, 115V/60Hz Fig. 140: Schaltplan_Tiefkühltruhe_VF55040C_VF75040C_115V_60Hz 86 / 100 Versafreeze low temperature chest freezers...
  • Page 87 12.5.7  Circuit diagram: VF 55040 C and VF 75040 C, 230V/50Hz Fig. 141: Schaltplan_Tiefkühltruhe_VF55040C_VF75040C_230V_50Hz Versafreeze low temperature chest freezers 87 / 100...
  • Page 88 12.5.8  Circuit diagram: VF 55085 C and VF 75085 C, 115V/60Hz Fig. 142: Schaltplan_Tiefkühltruhe_VF55085C_VF75085C_115V_60Hz 88 / 100 Versafreeze low temperature chest freezers...
  • Page 89 12.5.9  Circuit diagram: VF 55085 C and VF 75085 C, 230V/50Hz Fig. 143: Schaltplan_Tiefkühltruhe_VF55085C_VF75085C_230V_50Hz Versafreeze low temperature chest freezers 89 / 100...
  • Page 90 12.5.10  Touch operating unit Fig. 144: Touch operating unit 90 / 100 Versafreeze low temperature chest freezers...
  • Page 91 12.5.11  Single-board refrigeration controller A1 Fig. 145: Single-board refrigeration controller Temperature probe PT100, refrigeration compartment Temperature probe PT100, condenser Door switch/lid switch switch Solid state relay, first stage, 0/+15V max. Solid state relay, second stage, 0/+15V max. Potential-free contact Versafreeze low temperature chest freezers 91 / 100...
  • Page 92 13  Auxiliary devices 13.1  Auxiliary devices for data loggers and storage systems 13.1.1  Data logger for monitoring and recording the temperature in the refrigeration compartment The data logger is used for external monitoring and recording of tempera- tures in the refrigeration compartment. It is fitted with a PT1000 temperature probe with a 3-m-long PTFE insu- lated cable, which enters the refrigeration compartment via the device’s duct or a separate optional duct.
  • Page 93 13.1.2  Storage system 13.1.2.1  Plug-in units Device type Refrigera- Content Order no. Number Order no. Number of Number of tion com- for 1 box of plug-in for 1 plug-in boxes/plates boxes/plates partment units per unit per plug-in per device volume in device unit liters...
  • Page 94 Technical changes The manufacturer reserves the right to make technical modifications to the device. 14.3  Warranty conditions LAUDA guarantees a standard 12-month manufacturer's warranty from the date of the device's purchase. 14.4  Contact LAUDA Contact LAUDA Service in the following cases:...
  • Page 95 14.5  Declaration of Conformity Fig. 146: Declaration of Conformity Versafreeze low temperature chest freezers 95 / 100...
  • Page 96 14.6  Certificate The certificate is only valid for devices with cTÜV us certification marks on the type plate. 96 / 100 Versafreeze low temperature chest freezers...
  • Page 97 Fig. 147: Certificate Versafreeze low temperature chest freezers 97 / 100...
  • Page 98 Product Returns and Clearance Declaration Product Returns Would you like to return a LAUDA product you have purchased to LAUDA? For the return of goods, e.g. for repair or due to a complaint, you will need the approval of LAUDA in the form of a Return Material Authorization (RMA) or processing number.
  • Page 99 15  Index Industrial truck ......19 Installation (device) ......29 Ambient conditions .
  • Page 100 Warranty ....... . 94 Water cooling ......69 100 / 100 Versafreeze low temperature chest freezers...
  • Page 101 Manufacturer: LAUDA DR. R. WOBSER GMBH & CO. KG ◦ Schulze-Delitzsch-Straße 4+5 ◦ 30938 Burgwedel Telephone: +49 (0)5139 9958-0 E-mail: info@lauda.de ◦ Internet: https://www.lauda.de...

This manual is also suitable for:

Versafreeze vf 20040 cVersafreeze vf 55085 cVersafreeze vf 20085 cVersafreeze vf 75040 cL003399L003375 ... Show all