Lauda VF 20040 C Operating Instructions Manual
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Lauda VF 20040 C Operating Instructions Manual

Chest freezers
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Operating Instructions

Versafreeze Chest Freezers
VF 20040 C, VF 55040 C, VF 75040 C,
VF 20085 C, VF 55085 C, VF 75085 C

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Summary of Contents for Lauda VF 20040 C

  • Page 1: Operating Instructions

    Operating Instructions Versafreeze Chest Freezers VF 20040 C, VF 55040 C, VF 75040 C, VF 20085 C, VF 55085 C, VF 75085 C...
  • Page 2 2 / 42 Versafreeze Chest Freezers...
  • Page 3 The refrigeration system incorporates fully hermetic, air-cooled high-performance compressors and is maintenance-free. Chest freezer models VF 20040 C, VF 55040 C and VF 75040 C can be set to temperatures as low as -40 °C. Chest freezer models VF 20085 C, VF 55085 C and VF 75085 C can be set to temperatures from -50 °C to -86 °C.
  • Page 4 4 / 42 Versafreeze Chest Freezers...

  • Page 5: Table Of Contents

    Table of contents Operating Instructions ............................1 Using the chest freezers..........................7 Intended use ............................7 Improper use ............................7 Warranty ..............................7 Before starting up ............................8 Location of the chest freezer ......................... 8 Operating voltage and electrical connection ....................9 Commissioning ............................
  • Page 6 13.2.1 Inserts ............................36 13.2.2 Boxes ............................37 13.2.3 Grids ............................37 14 Notes ..............................38 15 Ordering spare parts / LAUDA Service ......................39 16 Product Returns and Clearance Declaration ....................40 17 EC Declaration of Conformity ........................41...

  • Page 7: Using The Chest Freezers

    The chest freezer must not be operated in hazardous areas. LAUDA chest freezers used in laboratories are not classified as medical devices. They are not subject to national or inter- national medical device law and must be used accordingly.

  • Page 8: Before Starting Up

    Before starting up The information in these operating instructions must be read and observed without fail. This is the only way to ensure the fault-free functioning of the freezer appliance. Safety instructions are identified by the following warning symbols. Read and observe the op- Caution! Warning indicating cold erating instructions...

  • Page 9: Operating Voltage And Electrical Connection

    Before the appliance is moved to its place of installation, the electrical system (see point 5 of these instructions) and, if necessary, the alarm system (see point 8.5) must be connected. Ensure that the connection cable is not damaged when the freezer appliance is moved.

  • Page 10: Operating And Display Elements On The Touch Screen Unit

    Operating and display elements on the touch screen unit The three large colored symbols on the left of the display indicate the ACTUAL temperature at the most important points on the appliance: the refrigeration compartment (blue field) and condenser (purple field), while the orange field shows the voltage of the internal battery.
  • Page 11 Normal refrigeration LED 1 and auxiliary device LED 2 Status Description LED 1 i symbol green Active and no fault during normal refrigeration. All other cases, including: Connection failure Collective fault Standby Status Description LED 2 Snowflake symbol green Active and no fault in the auxiliary device. yellow Refrigeration compartment temperature is too high.

  • Page 12: Switching The Appliance On And Off

    Switching the appliance on and off The appliance can only be switched on and off from the user profile "User" (see points 6.3 and 6.4 in the operating instructions). Switch on the appliance by setting the main switch (see point 5 of the operating instructions) to position "I". Approx.

  • Page 13: Switching The Appliance On And Off

    ADMIN All data and settings that were preset by the manufacturer of the freezer appliance, such as the permitted or possible set point limits for the refrigeration compartment temperature, are stored under the "ADMIN" user profile. The operator cannot modify the settings in this profile. 6.4.1 Switching the appliance on and off Once the user profile has been changed, the display switches to the start screen.

  • Page 14: Language Selection

    Language selection The only languages currently available are German and English Proceed as follows: Menu Settings Language After selecting the language, press the switch below the additional LED display. Touch VF XXXYY on the display to switch to the controller view. Refrigeration compartment temperature set point Once the refrigeration device has been switched on at the main switch and at the touch screen unit (see above), the...

  • Page 15: Changing The Password

    Changing the password Only the passwords for a specific user profile and all subordinate levels can be changed from the relevant user profile. An Admin1 can change all passwords, a User can only change the passwords for a subordinate Guest. The number of stars in the yellow padlock at the top of the screen indicates which user profile is currently active.

  • Page 16: Function Description

    Function description LAUDA Versafreeze chest freezer models VF 20040 C, VF 55040 C and VF 75040 C are equipped with a high-perfor- mance compressor and operate within a variable temperature range of -0 °C to -40°C. Models VF 20085 C, VF 55085 C and VF 75085 C are equipped with two high-performance compressors and operate at a temperature range between - 50 °C and -86°C.

  • Page 17: Data Transfer Via Usb

    Data transfer via USB In order to carry out a data transfer, the Service or Admin1 user profile must be selected. Proceed as follows: Select Menu Select USB Select Export history Insert USB stick. Once the USB stick has been recognized, tap the save symbol. After transferring the data, save and remove the USB stick Internet connection The touch control unit can also send alarms by e-mail.

  • Page 18: Email Configuration

    7.3.2 Email configuration Pressing the Menu Email configuration Email server buttons opens a window for configuring your email server settings. Save your entries before exiting. 7.3.3 Alarm management Since all alarms indicating a possible fault may impact the proper operation of the appliance, we always recommend select- ing Alarm 1 or Alarm 2 rather than the Warning setting.

  • Page 19: Water Cooling Equipment Option

    Water cooling equipment option Installation of a heat exchanger (water refrigerant) instead of a condenser. The heat exchanger significantly reduces the heat emitted by the device into the surrounding air, while expanding the permissible working temperature range. The temperature is pressure-controlled by the freezer appliance. Suitable for connection to a recooling system or water supply (external thread connection for pressure hose ½...

  • Page 20: Adjusting The Cooling Water Flow Regulator

    7.4.1 Adjusting the cooling water flow regulator The cooling water flow regulator only needs to be adjusted if the on-site cooling water is significantly warmer or colder than the set value used during the test run. This set value can be found on the label on the cover of the cooling water flow regulator.

  • Page 21: Alarm Limit Values

    Alarm limit values Setting a limit value for the cover alarm delay Tap the Menu symbol on the touch screen unit. In the parameter level, scroll down to the USr user level, tap parameter A6, set the required limit value, and save. A timer starts when the cover is opened. If the timer exceeds the preset delay time, the door alarm is triggered.

  • Page 22: Alarm And Potential-Free Contact

    Alarm and potential-free contact When a malfunction occurs, an alarm is triggered. Each alarm is issued in the form of an acoustic alarm signal and a visual alarm display. All triggered alarms are stored in the controller. When an acoustic alarm signal is issued, the potential-free alarm contact sim- ultaneously connects to the in-house fault monitoring system.

  • Page 23: Care And Maintenance

    Any old appliances received will be sent for recycling. Before sending any appliances, the owner must submit a legally bind- ing declaration that the appliance is free of harmful contamination and hazardous substances resulting from its use. LAUDA laboratory equipment is intended exclusively for commercial use and must not be disposed of via public disposal facilities.

  • Page 24: Technical Data

    Technical data External dimensions (W x D x H in mm) VF 20040 C / 85 C 960 mm x 790 mm x 1130 mm VF 55040 C / 85 C 1670 mm x 910 mm x 1056 mm VF 75040 C / 85 C...
  • Page 25 Power consumption 230 V / 50 Hz VF 20040 C / 85 C 0.5 kW / 1.0 kW VF 55040 C / 85 C 1.2 kW / 2.0 kW VF 75040 C / 85 C 1.2 kW / 2.0 kW...

  • Page 26: Circuit Diagram

    Circuit diagram Single-board cryostat Touch screen unit Over pressure switch, 1st stage Over pressure switch, 2nd stage Microfuse 1.6 A T Microfuse 1.6 A T Mains switch Main contactor Potential-free contact Compressor, 1st stage Compressor, 2nd stage Fan motor, 1,000 rpm or 1,500 rpm Single-board cryostat A1 Temperature probe PT100 for refrigeration compartment Temperature probe PT100 for condenser...
  • Page 27 VF 20040 C, 115V_60Hz Versafreeze Chest Freezers 27 / 42...
  • Page 28 VF 20040 C, 230V_50Hz...
  • Page 29 VF 20085 C, 115V_60Hz Versafreeze Chest Freezers 29 / 42...
  • Page 30 VF 20085 C, 230V_50Hz...
  • Page 31 VF 55040 C_VF75040 C, 115V_60Hz Versafreeze Chest Freezers 31 / 42...
  • Page 32 VF 55040 C_VF75040 C, 230V_50Hz...
  • Page 33 VF 55085 C_VF75085 C, 115V_60Hz Versafreeze Chest Freezers 33 / 42...
  • Page 34 VF 55085 C_VF75085 C, 230V_50Hz...
  • Page 35 Touch screen unit Single-board cryostat A1 Versafreeze Chest Freezers 35 / 42...

  • Page 36: Auxiliary Equipment

    Number of volume in 1 box inserts per 1 insert boxes/plates boxes/plates liters device per insert per device VF 20040 C 205 l Box 50 mm A001386 A001393 VF 20085 C Box 75 mm A001387 A001394 Box 130 mm A001388...

  • Page 37: Boxes

    13.2.2 Boxes Order no.: Kryo Box, 136 x 136 x 50 mm, white A001386 cardboard, water-repellent Kryo Box, 136 x 136 x 75 mm, white A001387 cardboard, water-repellent Kryo Box, 136 x 136 x 130 mm, white cardboard, water-repellent A001388 13.2.3 Grids Order no.:...

  • Page 38: Notes

    Notes...

  • Page 39: Ordering Spare Parts / Lauda Service

    Telefon: +49 (0)9343 503-350 Fax: +49 (0)9343 503-283 E-Mail service@lauda.de We are always at your disposal for questions and suggestions! LAUDA DR. R. WOBSER GMBH & CO. KG Laudaplatz 1 97922 Lauda-Königshofen Deutschland Telefon: +49 (0)9343 503-0 Fax: +49 (0)9343 503-222 E-Mail info@lauda.de...

  • Page 40: Product Returns And Clearance Declaration

    Product Returns and Clearance Declaration...

  • Page 41: Ec Declaration Of Conformity

    EC Declaration of Conformity Versafreeze Chest Freezers 41 / 42...
  • Page 42 LAUDA DR. R. WOBSER GMBH & CO. KG Schulze-Delitzsch-Straße 4+5 ◦ 30938 Burgwedel ◦ Deutschland Tel.: +49 (0) 5139 9958-0 ◦ Fax +49 (0) 5139 9958-21 E-Mail: info@lauda.de ◦ Internet: https://www.lauda.de...

This manual is also suitable for:

Vf 55040 cVf 75040 cVf 20085 cVf 55085 cVf 75085 c

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