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Operation manual
Mobifreeze
M 270
V1
Read this manual prior to performing any task!

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Summary of Contents for Lauda Mobifreeze M270

  • Page 1 Operation manual Mobifreeze M 270 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 Fax:  - E-mail:  info@lauda.de Internet: https://www.lauda.de Original operation manual Q4DT-E_13-013, 1, en_US 03/22/2024/LUS © LAUDA 2024 2 / 93 Mobifreeze...
  • Page 3: Table Of Contents

    Table of contents Safety...................................... 6 General safety instructions for the device......................... 6 Obligations of the operator............................7 EMC requirements................................ 7 Software versions................................7 Intended use................................... 7 Unintended use................................8 Foreseeable misuse............................... 8 Type of power supply..............................8 Prohibition of modifications to the device......................... 9 1.10 Ambient conditions and operating conditions......................
  • Page 4 Design of the Mobifreeze M 270..........................21 Touch operating unit..............................23 Main battery monitor..............................25 Operating elements..............................26 4.5.1 Mains switch............................. 26 4.5.2 Main battery switch..........................26 4.5.3 Push/pull handle............................26 4.5.4 Dead man's brake with handle......................... 27 4.5.5 Refrigeration compartment lock......................27 Main battery.................................
  • Page 5 General....................................71 13.1 Copyright..................................71 13.2 Technical changes................................. 71 13.3 Warranty conditions..............................71 13.4 Contact LAUDA................................71 13.5 Declaration of Conformity............................72 13.6 Product Returns and Clearance Declaration......................73 13.7 UN38.3 Test Report for LiFePO4 battery......................74 Index..................................... 92 Mobifreeze...
  • Page 6: Safety

    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 13.4 “Contact LAUDA” on page 71.
  • Page 7: Obligations Of The Operator

    Control element 2.0.509 Main battery monitor 1.09 1.5  Intended use The LAUDA Mobifreeze M 270 is a mobile ultra low temperature chest freezer designed for industrial use. The temperature range extends from -50 °C to -86 °C. Mobifreeze 7 / 93...
  • Page 8: Unintended Use

    The device is designed exclusively for the temperature control, storage and transport of non-hazardous substances, such as chemicals, pharma- ceutical substances and medications. Only the integrated mains plug or the internal main battery may be used to operate the device. The mobile ultra low temperature chest freezer may only be moved by hand.
  • Page 9: Prohibition Of Modifications To The Device

    Service work may only be performed by the LAUDA Service department or a service partner authorized by LAUDA. Only original spare parts may be used.
  • Page 10: Materials

    The contents of the compartment must be adapted to the transport conditions and filled/secured accordingly. Minimize the time that the chest freezer spends in cold ambient condi- tions. 1.11  Materials All parts of the device are manufactured from high-quality materials adapted to withstand the operating temperature.
  • Page 11: Description Of Personal Protective Equipment

    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: Safety Fittings On The Device

    Safety shoes Safety shoes are worn to provide protection against heavy falling objects and prevent slipping on slippery surfaces. They also protect the feet when removing exterior protective panels. 1.17  Safety fittings on the device 1.17.1  Alarm message In the event of a malfunction, an alarm is triggered. Each alarm is indicated acoustically in the form of an alarm signal (1 second on –...
  • Page 13: Overtemperature Alarm

    1.17.5  Overtemperature alarm The overtemperature protection is a warning device that is activated when the temperature in the refrigeration compartment exceeds the specified upper limit. This information is shown on the Touch operating unit display. An acoustic alarm also sounds (1 second on – 1 second off). 1.17.6 ...
  • Page 14: Structure Of Warnings

    1.20  Structure of warnings Dangerous A warning of "dangerous" indicates an immediately dangerous situation. If this warning is not observed, then death or severe, irreversible injury could occur. DANGER! Type and source Consequences of not following instructions Measure 1  Measure...
  • Page 15: Unpacking The Device

    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.  WARNING! LiFePO4 battery damaged during transport Fire, breakages, heat, leaks Protect the battery system from damage.
  • Page 16: Unpacking

    Also notify the LAUDA Service department immediately. Refer to Ä Chapter 13.4 “Contact LAUDA” on page 71 for contact details, and place/store the device in a well-ventilated location with no sources of ignition.
  • Page 17: Transport

    The certificate can be found in the "General" chapter of this operating manual, see Ä Chapter 13.7 “UN38.3 Test Report for LiFePO4 bat- tery” on page 74, and downloaded in PDF format from www.lauda.de in the "Service" area: https://www.lauda.de/en/services/download-center/ filter/default/mobifreeze.
  • Page 18 Pull and hold the dead man's brake handle, then push and maneuver the device using the push handle. Due to the net weight of the device and the payload, it makes sense to have several people push/move the ultra low temperature chest freezer.
  • Page 19: Transport With An Industrial Truck

    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. 3.3  Transport with an industrial truck The ultra low temperature chest freezer can be transported on 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  Functional description of the Mobifreeze M 270 The LAUDA Mobifreeze M 270 ultra low temperature chest freezer is a mobile, actively temperature-controlled ultra low temperature chest freezer that operates independently of the mains power supply and was designed for the internal or external transport of sensitive active ingredients or samples requiring storage at a constant, monitored temperature.
  • Page 21: Design Of The Mobifreeze M 270

    4.2  Design of the Mobifreeze M 270 Fig. 2: View Device lid, refrigeration compartment Refrigeration compartment lid handle Refrigeration compartment lock (key) Operating console Dead man's brake handle Push handle Device front cover/panel Locking casters Casters Pull handle on the back of the device Mobifreeze 21 / 93...
  • Page 22 Fig. 3: View Dead man's brake handle Operating console on the front of the device Device lid contact switch Type plate Device lid, refrigeration compartment Pull handle on the back of the device Casters Locking casters Mains plug with cable rolled up inside the chest Front of device Push handle on the front of the device 22 / 93...
  • Page 23: Touch Operating Unit

    Fig. 4: Operating console Touch operating unit Mains switch Main battery monitor Battery symbol Main battery switch Blank cover (customer has option of connecting a monitoring system) 4.3  Touch operating unit General overview of Touch operating unit Fig. 5: Touch operating unit Touch operating unit display Status indicator LED USB interface Mobifreeze...
  • Page 24 Touch operating unit display Fig. 6: Touch operating unit Menu ON/OFF status indicator Current cooling chamber temperature display Adjustment of the cooling chamber temperature set point Fans, rotating symbols = fan on condenser is active Compressor 2, two-stage, rotating symbols = com- pressor is active Compressor 1, single-stage, rotating symbols = com- pressor is active...
  • Page 25: Main Battery Monitor

    Status indicator LED LED 2, no function Toggle button LED 1, normal cooling (i symbol) Fig. 7: Status indicator LED LED 1 (normal cooling) LED status Description Green Active, no errors/faults during normal cooling All other instances, such as: Fig. 8: LED 1 - Connection failure - Collective fault - Standby 4.4 ...
  • Page 26: Operating Elements

    4.5  Operating elements 4.5.1  Mains switch The mains switch can be set to the following positions: Position [I] switches on the device under mains power. Mains voltage is supplied to the device and the main battery is charged provided that the mains cable is connected to the mains power supply.
  • Page 27: 4.5.4  Dead Man's Brake With Handle

    4.5.4  Dead man's brake with handle Dead man's brake handle Push handle When the device is moved using the push handle, the brake handle must be pulled at the same time. This releases the dead man's brake and allows the device to be moved.
  • Page 28: Rating Label

    24 hours. 4.7  Rating label Fig. 16: Example of rating label Specification Example Description °LAUDA Made in Germany Manufacturer LAUDA, manufactured in Germany Type: M 270 Device type Part No.: L003678 Device item number Serial no.: S24xxxxxxx...
  • Page 29: Internal Data Logger

    Specification Example Description Refrigerant II: R 170 Refrigerant used in refrigerant circuit 2 of the appli- ance for cooling. Filling charge II: 68 g Filling weight of refrigerant 2 in g Flammable refrigerant   Flammable refrigerant, "Risk of fire or explosion" warning symbol, see beneath the type plate PS high pressure II: 23.8 bar...
  • Page 30 Hysteresis, sensor F1 Factory setting Refer to the device card for the value Offset correction, sensor F1 Factory setting Refer to the device card for the value The device card is located on the inside of the device front cover/panel, see Ä...
  • Page 31: Before Starting Up

    5  Before starting up 5.1  Installation WARNING! A sloping floor may cause the device to fall over/roll away Injury, crushing, impacts Do not tilt the device.  Position the device on an even, non-slip surface with a  sufficient load carrying capacity. Only maneuver the device over non-slip surfaces with a ...
  • Page 32 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.  NOTICE! Setting up the device Equipment damage/material damage/malfunction The device must be at the permissible ambient temperature ...
  • Page 33: Wake Up Function

    5.2  Wake up function DANGER! Touching live parts Electric shock Before installing modules or intervening in the device: Disconnect the device from the mains power.  Switch off the main battery.  Only permitted by certified specialized personnel.  Allow the device to cool down. ...
  • Page 34 Check that the circuit breakers (F7 and F8) (2) are set to the "OFF" position (3). Fig. 18: F7 and F8 position "OFF" Connect the "-" pole of the external voltage source to the shunt "-" pole (4) of the main battery "R1". Fig. 19: R 1 34 / 93 Mobifreeze...
  • Page 35 Connect the "+" pole of the external voltage source to relay K5 (5). Connect the external voltage source to the main battery for a min- imum of 15 seconds. Fig. 20: Relay K5 Set circuit breakers F7 and F8 (6) to the "ON" position (7) (if a monitoring system is used).
  • Page 36: Installing Modules

    5.3  Installing modules DANGER! Touching live parts Electric shock Before installing modules or intervening in the device: Disconnect the device from the mains power.  Switch off the main battery.  Only permitted by certified specialized personnel.  Allow the device to cool down. ...
  • Page 37 Fig. 22: Connections Table 2: Electrical nominal values:   Min. output voltage Max. output voltage Max output current. F7/F8 Personnel: Electrician Protective equipment: Safety shoes Protective gloves Disconnect the ultra low temperature chest freezer from the power supply by pulling out the mains plug. Switch off the main battery at the main battery switch (1).
  • Page 38 Unscrew the six screw connections and remove the device front cover/panel. Caution, risk of short circuit!  CAUTION! Risk of short circuit Material damage For work on live components, please note the fol- lowing: Work may only be performed by qualified electri- cians.
  • Page 39 The customer's own systems can be mounted/connected to the profile rails (6). Set circuit breakers (F7 and F8) to the "ON" position. Refit the device front cover/panel by securing the six screw connec- tions. Put the ultra low temperature chest freezer into operation. ...
  • Page 40: Commissioning

    6  Commissioning 6.1  Establishing a mains connection DANGER! Transport damage Electric shock Closely inspect the device for transport damage prior to  commissioning! Never operate a device that has sustained transport  damage! DANGER! Risk of short circuit due to failure to observe the acclimatization time Electric shock Allow a "cold"...
  • Page 41: Switching The Device On And Off

    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. When operating the device from the mains, the power ...
  • Page 42 Press the [ON/OFF] tile on the Touch operating unit, see Ä Chapter 4.3 “Touch operating unit” on page 23. The device is switched on.  Note: Fig. 28: ON/OFF icon For mains-independent operation, the main battery must also be switched on at the main battery switch. Set the main battery switch to the "[I]"...
  • Page 43: Changing The User Profile Password

    When the device is switched off, the main battery switch should always be switched off to prevent the main battery from actively discharging. Instructions for switching off: Fig. 33: ON/OFF icon If you intend to switch off the device for longer periods, press the [ON/OFF] tile on the Touch operating unit.
  • Page 44: Defining User Profiles

    Press the [User administration] tile. Press the [User] tile. The "User" overview opens.  Fig. 35: HMI user administration – user Select the user. Fig. 36: Changing the password Press the [Input] tile. A keyboard appears.  Enter the "old" password using the keyboard and save. Fig. 37: Input The display switches to [Password].
  • Page 45: Selecting A User Profile

    "Service" user profile Under the "Service" user ID, the operator/user can change more settings than in the "User" level including changing parameters or the limit of set point temperatures as well as transferring data via USB, for example. The default password is "Service". Fig. 41: Service icon "Admin 1"...
  • Page 46: Activating Auto Logout

    Touch the [Type description] tile on the Touch operating unit. Press the [ON/OFF] tile on the Touch operating unit. The temperature display and the "Collective alarm" are displayed.  Acknowledge the alarm message on the Touch operating unit display, see Ä Chapter 7.8 “Resetting an alarm” on page 55. Fig. 46: ON/OFF icon 6.7 ...
  • Page 47: Selecting And Displaying Control Curves

    Press the [Settings] tile. Press the [Language] tile. The language selection screen opens.  Fig. 51: HMI settings – Language Select the language on the Touch operating unit display. Fig. 52: Selecting a language Press the toggle button on the status indicator LED to confirm the language selection.
  • Page 48: Setting Alarm Limit Values

    6.10  Setting alarm limit values 6.10.1  Setting the alarm delay limit value for the device lid Tap the menu symbol on the Touch operating unit. In the parameter level, scroll down to the USr user level and tap parameter A6, then select the required limit value and save.
  • Page 49: Operation

    If necessary, use a suitable extinguishing agent to extinguish  a LiFePO4 battery fire. Contact LAUDA Service.  If the LiFePO4 battery catches fire, use suitable fire extinguishers to extinguish the fire. These fire extinguishers should be designed specifically to extinguish battery fires.
  • Page 50: 7.1.2  Securing A Device Transported In A Vehicle

    WARNING! Risk of mechanical damage to refrigerant circuit Leaking flammable refrigerant generates an explosive atmos- phere Explosion, burns, fire 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 51: 7.1.3  Pushing/Moving The Device

    7.1.3  Pushing/moving the device 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 52: Storing And Retrieving Refrigerated Goods

    Press the [cooling chamber temperature set point] tile. Fig. 60: Cooling chamber temperature set point icon The window for setting the "Cooling chamber temperature set  point" opens. Set the required cooling chamber temperature by sliding the cursor or pressing the [+] and [-] symbols. Press the [Save] tile.
  • Page 53: Switching Between Mains And Battery Operation

    Only store refrigerated goods that meet the requirements for intended use, see Ä Chapter 1.5 “Intended use” on page 7. Do not store refrigerated goods that do not meet the requirements for intended use, see Ä Chapter 1.6 “Unintended use” on page 8. 7.4 ...
  • Page 54: Alarm Management

    Application limits for the dead man's brake, see Ä Chapter 1.10 “Ambient conditions and operating conditions” on page 9. Position the device in the installation location. Let go of the dead man's brake handles. Apply the locking brakes. 7.6  Alarm management Press the [Menu] tile.
  • Page 55: Data Transfer Via Usb

    Fig. 66: Alarm – New configuration It is possible to select individual "alarms" or select all alarms by pressing the [Alarm] symbol. Fig. 67: Alarm Press the [Input] tile. Enter a name and save. The display view opens with the created name.  Fig. 68: Input 7.7 ...
  • Page 56: Internal Data Logger And History Function

    Disabling the acoustic alarm and rectifying Acknowledge the alarm in the alarm window. the cause of the alarm The alarm screen closes.  A red alarm symbol is displayed at the top of the Touch operating  unit. The alarm symbol disappears automatically once the cause of the ...
  • Page 57 Personnel: Refrigeration specialist Protective equipment: Cold protection gloves Safety glasses Open the refrigeration compartment lid on the device. Fill with dry ice. Close the refrigeration compartment lid on the device. The phase transition of solid carbon dioxide into gaseous carbon dioxide creates gage pressure in the device's refrigeration compart- ment.
  • Page 58: Maintenance

    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 main battery switch must be set to the [O] position. Only skilled certified personnel are permitted to perform ...
  • Page 59: Maintenance Plan

    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 60: Cleaning The Condenser Fins

    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 61: Defrosting The Refrigeration Compartment

    Personnel: Instructed person Protective equipment: Safety glasses Protective gloves Switch off the device at the mains switch and battery switch, see Ä Chapter 6.2 “Switching the device on and off” on page 41 and Ä Chapter 4.5.2 “Main battery switch” on page 26. Disconnect the mains cable from the power supply, and wind up.
  • Page 62 Continuously remove the melt water from the refrigeration compart- ment. Allow the refrigeration compartment to dry or wipe dry with a soft cloth. Once the refrigeration compartment is free of ice and dry, reconnect the device to the mains power supply, see Ä Chapter 6.1 “Establishing a mains connection”...
  • Page 63: Faults

    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 64 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 65 Test the battery, install and connect a battery recom- mended by the manufac- turer LAUDA. Internal communica- Possible switch on/off (min. Contact LAUDA Service. tion issue 10 sec.) Memory error in   Contact LAUDA Service. operating unit/con-...
  • Page 66: Decommissioning

    10  Decommissioning 10.1  General information on decommissioning Information on decommissioning Remove refrigerated goods from refrigeration compartment, see Ä Chapter 7.3 “Storing and retrieving refrigerated goods” on page 52 Download data from the device, see Ä Chapter 7.7 “Data transfer via USB” on page 55 Check the charge level of the main battery and charge if necessary, see Ä...
  • Page 67: Disposal

    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 68: Technical Data

    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 69: Device Data

    Auxiliary battery Designation/details Value/designation Unit Manufacturer Long 12.4  Device data Designation/details Value/designation Unit External dimensions (WxDxH) 1471x933x1217 Internal dimensions of refrigeration compartment 900x600x500 (WxDxH) Refrigeration compartment volume Liters Empty weight Maximum payload Temperature range -50 to -86 °C Temperature stability (over time) +/- 3 K at -70°C Maximum transport gradient Temperature setting/temperature display...
  • Page 70: Refrigerant And Filling Charge

    Designation/details Value/designation Unit Storage temperature (decommissioned device) 5 to 43 °C Transport temperature (decommissioned device) -20 to 43 °C 12.5  Refrigerant and filling charge The device contains flammable refrigerants. Table 3: R 290, 1st stage   M 270 Unit Refrigerant R 290 Maximum filling weight 0.145 Table 4: R 170, 2nd stage...
  • Page 71: General

    The manufacturer reserves the right to make technical modifications to the device. 13.3  Warranty conditions LAUDA guarantees a standard 12-month manufacturer's warranty from the date of the device's purchase. 13.4  Contact LAUDA Contact the LAUDA Service department in the following cases:...
  • Page 72: Declaration Of Conformity

    13.5  Declaration of Conformity Fig. 75: Declaration of Conformity 72 / 93 Mobifreeze...
  • Page 73: Product Returns And Clearance Declaration

    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 74: Un38.3 Test Report For Lifepo4 Battery

    13.7  UN38.3 Test Report for LiFePO4 battery 74 / 93 Mobifreeze...
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  • Page 92: Index

    14  Index Installation location ......32 Ambient conditions ......9 Ambient temperatures .
  • Page 93 Warranty ....... . 71 Mobifreeze 93 / 93...
  • Page 94 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...

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