Lauda MC 250 Operation Instructions Manual
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Lauda MC 250 Operation Instructions Manual

Circulation chiller
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Operating instructions
Microcool
MC 250, MC 350, MC 600, MC 1200
Circulation chiller
V05REV08
Read the instructions prior to performing any task!

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Summary of Contents for Lauda MC 250

  • Page 1 Operating instructions Microcool MC 250, MC 350, MC 600, MC 1200 Circulation chiller V05REV08 Read the instructions prior to performing any task!
  • Page 2 LAUDA DR. R. WOBSER GMBH & CO. KG Pfarrstrasse 41/43 97922 Lauda-Königshofen Germany Phone: +49 (0)9343 503-0 Fax: +49 (0)9343 503-222 E-Mail: info@lauda.de Internet: https://www.lauda.de Translation of the original operating instructions YAWD0033, 5, en_GB ©LAUDA 2013 To replace issues V5R7, V5R5, V4R13, V4R6, V3R20, V3R19, V3R17...

  • Page 3: Table Of Contents

    Table of contents Safety...................................... 6 General safety instructions............................6 Intended Use.................................. 6 Foreseeable misuse................................ 7 EMC classification................................. 7 No modifications may be made to the device......................7 Requirements for the heat transfer liquid........................8 Materials..................................8 Requirements regarding the hoses..........................8 Application area................................
  • Page 4 LAUDA heat transfer liquids............................. 29 Establishing power supply............................30 Switching on the device and filling with heat transfer liquid.................. 30 Setting the pump pressure............................32 Operation.................................... 34 Switching on the device............................. 34 Default display and menu items..........................34 Screen displays................................37 Specifying the setpoint temperature........................
  • Page 5 11.3 Refrigerant and filling quantity..........................53 11.4 Hydraulic circuit................................54 11.5 Voltage-dependent data............................54 General....................................55 12.1 Copyright..................................55 12.2 Technical changes............................... 55 12.3 LAUDA contact................................55 Index..................................... 56 V05REV08 Microcool 5 / 57...

  • Page 6: Safety

    If you lose this operating manual, contact the LAUDA Constant Temperature Equipment service department. The contact details can be found in Ä Chapter 12.3 ‘LAUDA contact’ on page 55. Use of the device results in hazards from high or low temperatures, fire and from the use of electrical energy.

  • Page 7: Foreseeable Misuse

    Among other things, the following uses are considered to be foreseeable misuse: Operation of the device without heat transfer liquid Incorrect connection of hoses Setting the device up on a tabletop surface, only permitted for MC 250 and MC 350 Setting an incorrect pump pressure EMC classification Tab.

  • Page 8: Requirements For The Heat Transfer Liquid

    Requirements regarding the hoses Only LAUDA hoses must be used for the external hydraulic circuit. LAUDA hoses are hoses approved by LAUDA DR. R. WOBSER GMBH & CO. KG. Particular attention must be paid to the permissible temperature range and the maximum permissible pressure when selecting suitable hoses for the application.

  • Page 9: Personal Protective Equipment

    1.11 Personal protective equipment Protective clothing Protective clothing is required for certain activities. This protective clothing must comply with the legal requirements for personal protective equipment. Protective clothing should have long sleeves. Safety footwear is additionally required. Protective gloves CE protective gloves are required for certain activities. These protective gloves must comply with the legal requirements for personal protective equipment of the European Union.
  • Page 10 Caution A warning of the type "Caution" indicates a potentially hazardous situa- tion. This can result in minor, reversible injuries if the warning is disregarded. CAUTION! Type and source Consequences in the event of non-compliance Measure 1  Measure…  Notice A "notice"...

  • Page 11: Unpacking

    Also inform LAUDA Service Constant Temperature Equip- ment immediately. Contact details can be found in Ä Chapter 12.3 ‘LAUDA contact’ on page 55. Tab. 2: Accessories included as standard Catalogue...

  • Page 12: Device Description

    <Number>, e.g. 600 Specification of the cooling capacity in watts Available device types Device type Description MC 250 Air-cooled tabletop device with a cooling capacity of 250 watts MC 350 Air-cooled tabletop device with a cooling capacity of 350 watts...

  • Page 13: Design Of The Circulation Chiller

    Design of the circulation chiller Note: Some of the illustrations show devices in different housing designs.This has no influence on the operation. Front side MC 250, MC 350 Fig. 1: Overview of the front side Filler nozzle with cover Level indicator...
  • Page 14 Rear side MC 250, MC 350 Fig. 2: Overview of the rear side Pump connection, outlet Overflow connection Pump connection, inlet Type plate RS 232 interface Alarm output Drain plug Mains cable Ventilation openings 14 / 57 Microcool V05REV08...
  • Page 15 Front side MC 600, MC 1200 Fig. 3: Overview of the front side Filler nozzle with cover Level indicator Control panel Manometer Front panel with ventilation openings Four castors with locking brakes V05REV08 Microcool 15 / 57...
  • Page 16 Rear side MC 600, MC 1200 Fig. 4: Overview of the rear side Bypass adjustment wheel Pump connection, inlet Pump connection, outlet Overflow connection Type plate Drain plug Alarm output RS 232 interface Mains cable 10 Ventilation openings 16 / 57 Microcool V05REV08...

  • Page 17: Operating Elements

    Control panel Fig. 5: Control panel Display LEDs Display buttons Mains switch Operating elements 3.3.1 Mains power switch The mains power switch can be put in the following positions: In position [I], the device is switched on. In position [O], the device is switched off. V05REV08 Microcool 17 / 57...

  • Page 18: Display Buttons

    3.3.2 Display buttons Fig. 6: Display buttons UP arrow button ENTER button DOWN arrow button Functions in the display of the device can be controlled using the display buttons. A selection in the display can be confirmed with the ENTER button. The UP and DOWN arrow buttons can be used to navigate in the dis- play.

  • Page 19: Functional Elements

    Functional elements 3.4.1 LEDs for function display Fig. 7: LEDs Yellow LED Blue refrigeration LED Red error LED Each device has three LEDs with the following functions: The yellow glycol LED lights if Kryo 30 is necessary as heat transfer liquid.

  • Page 20: Manometer

    Further information about the technical data of the pump and the pump characteristic curve can be found Ä Chapter 11.4 ‘Hydraulic circuit’ on page 54. 3.4.3 Manometer The device types with bypass have a manometer for reading the set pump pressure.

  • Page 21: Interfaces

    Technical information for the cooling unit can be found in Ä Chapter 11.2 ‘Cooling unit’ on page 53. 3.4.6 Interfaces Note the following: The equipment connected to the low voltage inputs and low voltage out- puts must have be safely separated from dangerous voltages according to DIN EN 61140.

  • Page 22: Type Plate

    Type plate The type plate information is explained in detail in the following table. Certain information is dependent on installed device options. This information is noted with an appropriate suffix. Description Description Type Device type Catalogue No. Catalogue number of the device Serial No.

  • Page 23: Before Starting Up

    Before starting up Device Placement Very specific placement conditions are applicable to the devices. These placement conditions are mainly specified in the technical data for the device. Further information about the technical data can be found at Ä Chapter 11.1 ‘General data’ on page 52. Additional placement conditions are described below.

  • Page 24: External Consumer

    External consumer 4.2.1 Hoses CAUTION! Discharge of heat transfer liquid during operation caused by use of unsuitable hoses Frostbite Use hoses with temperature resistance that is appropriate  for the operating temperature range of the device. CAUTION! Contact with cold hoses Frostbite Use insulated hoses for temperatures below 0 °C.

  • Page 25: Connecting External Consumer

    Tab. 4: Hoses, insulated at the factory Clear width Insulation thick- Temperature Catalogue Type Pump connections Application area Ø in mm ness in mm range in °C number EPDM Devices with max- Hose nozzle 13 mm, hose, insu- imum pump pres- -35 –...

  • Page 26: Rs 232 Interface

    CAUTION! Bursting of the external hydraulic circuit due to overpressure Impact, cutting, frostbite Lay hoses so that they do not kink.  Note the following: Temperature control tubes: Always use the largest possible diameters and shortest possible tube lengths in the external liquid circuit. If the temperature control tube diameter is too small, a temperature drop between device and external consumer occurs due to flow rate too low.

  • Page 27: Alarm Output 12N

    95/98/NT/XP using the "HyperTerminal" program. "HyperTerminal" is no longer part of the operating system for the Windows Vista, Windows 7 and Windows 8 operating systems. The RS 232‑interface can be addressed using the LAUDA Win- therm Plus control and programming software (catalogue number LDSM2002).
  • Page 28 Idle state The alarm output is in resting state: When the device is switched off,  after switching on if a fault is already evident at that time (e.g. level  too low) and during normal operations when a fault occurs. ...

  • Page 29: Commissioning

    Commissioning LAUDA heat transfer liquids Note the following: The heat transfer liquids each cover a recommended temperature range and must be suitable for the temperature range of your application. At the lower limit of the temperature range, the heat transfer liquid becomes more viscous and influences temperature stability, pump power and cooling capacity.

  • Page 30: Establishing Power Supply

    Establishing power supply Personnel: Operating personnel NOTICE! Use of unauthorised mains voltage or mains frequency Device damage Compare the rating plate with available mains voltage and  mains frequency. Note the following: The mains plug of the device provides a mains power disconnection component.
  • Page 31 DANGER! Use of incorrect heat transfer liquid Fire Select a heat transfer liquid with a temperature range 20 K  above the temperature range of the application. WARNING! Overflow of heat transfer liquid Electric shock Do not overfill the machine. Note the level indicator and ...

  • Page 32: Setting The Pump Pressure

    Fill level sufficient Switch on the device using the mains power switch. A signal tone sounds. The software version is shown on the dis-  play. The actual temperature is shown on the display afterwards. The constant temperature equipment starts operation; the pump is started.
  • Page 33 Personnel: Operating personnel CAUTION! Bursting of the external consumer Scalding, impact, cutting A bypass regulator is provided to set the pump pressure  (starting from MC 600). For consumers with a maximum permissible operating pres-  sure below the maximum pressure of the pump, use a safety valve for protection.

  • Page 34: Operation

    Operation Switching on the device NOTICE! Overheating of the pump Device damage Never operate device without heat transfer liquid.  Personnel: Operating personnel Switch on the device using the mains power switch. A signal tone sounds. The software version is shown on the dis- ...
  • Page 35 The changed value or setting is applied immediately by pressing the ENTER button. If no button has been pressed for longer than 4 seconds, changed values or settings are applied automatically and you exit from the menu item or input window. V05REV08 Microcool 35 / 57...
  • Page 36 Fig. 12: Menu 36 / 57 Microcool V05REV08...

  • Page 37: Screen Displays

    Screen displays Default display The default display is the indication shown in the screen if no other opera- tions such as configuring settings are being performed. The actual tem- perature of the machine is shown in the default display. Fig. 13: Default display Menu The machine menu with possible settings can be invoked using the ENTER button.

  • Page 38: Restricting Temperature Limit Values

    Specify the setpoint. If the entered setpoint is outside the specified temperature limit values, the value cannot be adopted. Editing mode is active. An audible signal is also output. You can input the setpoint again. Confirm with the ENTER button. Restricting temperature limit values The range of the temperature limit values must be restricted for safety rea- sons.

  • Page 39: Configuring Timer

    Configuring timer The integrated timer can be used for switching the device on and off auto- matically. The timer can be viewed and configured during normal operation of the device. Special features of the timer The timer is configured using a number of hours and minutes in the format hh.mm.
  • Page 40 Confirm with the OK button. The value must be confirmed within 4 seconds after the last input. Otherwise the screen returns to the default display. The device will be switched to standby after the time entered. This  is shown on the display as follows. Auto-Start can now be configured before the expiry of Auto-Shut- Down to switch the device on again afterwards after a specified time.

  • Page 41: Rs 232 Interface

    Reset Select the menu item for the Auto-Shut-Down or Auto-Start. Input 00.00. Confirm with the OK button. The value must be confirmed within 4 seconds after the last input. Otherwise the screen returns to the default display. Restart manually If the device has been switched to standby using Auto-Shut-Down and no Auto-Start is configured, the device can be switched on again manually.

  • Page 42: Write Commands

    The command from the computer must be terminated with CR, CRLF or LFCR. The response from the thermostat is always terminated with CRLF. After every command sent to the thermostat, it is necessary to wait for a response before the next command can be sent. This way, the alloca- tion of queries and responses is clear.

  • Page 43: Read Commands

    6.7.4 Read commands The following read commands are data requests to the thermostat. Command Meaning IN_PV_00 Query of the bath temperature (outlet temperature) IN_SP_00 Query of the temperature setpoint IN_SP_04 Query of the outlet temperature limit Hi IN_SP_05 Query of the outlet temperature limit Lo TYPE Query of the device type (response = "MC").

  • Page 44: Configuring Alarm Output

    CAL menu item. A calibrated reference thermometer (e.g. from the LAUDA DigiCal series) with the required degree of accuracy is required. Otherwise the factory cali- bration should not be changed.

  • Page 45: Restoring The Factory Settings

    Personnel: Operating personnel Select the menu item CAL. Enter the temperature value read from the reference thermometer at the device. Keep the ENTER button pressed for approx. 3 seconds afterwards. Fig. 24: Calibrating temperature sensor The display shows donE . The new value has been applied. ...

  • Page 46: Maintenance

    Maintenance General safety instructions DANGER! Contact with live or moving parts Electric shock, impact, cutting, crushing The device must be disconnected from the mains power  supply before any maintenance work. Repairs must only be carried out by specialists.  CAUTION! Contact with hot / cold device parts, accessories and heat transfer liquid.

  • Page 47: Cleaning The Device

    Cleaning the device Personnel: Operating personnel WARNING! Ingress of cleaning agents in the device Electric shock Use a moist cloth for cleaning.  Also note the following: Only clean the control panel with water and detergent. Do not use ace- tone or solvents.

  • Page 48: Faults

    LAUDA Service Constant Temperature Equipment. Contact details can be found in Ä Chapter 12.3 ‘LAUDA contact’ on page 55. Errors are symbolised with an E and a sequential three-digit number.

  • Page 49: Alarms Overview

    Alarms overview Alarms are relevant for safety. The components of the device such as the pump switch off. A two-tone signal is output by the device. The red LED on the device also lights. Output on the display Description In the event of a Low Level alarm, the fill level of the heat transfer liquid is below the minimum limit.

  • Page 50: Decommissioning

    Decommissioning Draining the device Personnel: Operating personnel WARNING! Contact with cold heat transfer liquid Frostbite Bring the heat transfer liquid to room temperature before  draining. Also note the following: Observe the regulations for disposal of the used heat transfer liquid. Switch off the device.

  • Page 51: Disposal

    Disposal 10.1 Disposing of refrigerant The refrigerant must be disposed of in accordance with Directive 2015/2067/EU in combination with 517/2014/EU. CAUTION! Uncontrolled escape of refrigerant Impact, cutting Do not dispose of any pressurised cooling circuit.  Disposal must be performed by specialist personnel. ...

  • Page 52: Technical Data

    -20 – 60 °C Working temperature range Dimensions (W x D x H) Weight °C mm x mm x mm MC 250 -10 – 40 200 x 350 x 465 MC 350 -10 – 40 240 x 400 x 500 MC 600 -10 –...

  • Page 53: Cooling Unit

    11.2 Cooling unit Tab. 10: Cooling capacity Unit MC 250 MC 350 MC 600 MC 1200 Cooling capacity (for 20 °C) 0.25 0.35 0.60 1.20 Cooling capacity (for 10 °C) 0.20 0.28 0.50 1.05 Cooling capacity (for 0 °C) 0.15 0.22...

  • Page 54: Hydraulic Circuit

    Unit MC 250 MC 350 MC 600 MC 1200 1430 1430 1430 1430 (100a) equivalent Tab. 14: Devices with 100 V; 50/60 Hz Unit MC 250 MC 350 MC 600 MC 1200 Refrigerant R-134a R-134a R-134a R-134a Maximum filling weight 0.092...

  • Page 55: General

    Technical changes Manufacturer reserves right to make technical modifications. 12.3 LAUDA contact Contact LAUDA Service Constant Temperature Equipment in the following cases: In the event of faults on the device For technical questions about the device For spare part orders Contact our Sales Department for application-specific questions.

  • Page 56: Index

    Operation ......18 Disposal LAUDA Service constant temperature equipment Packaging ......51 Address .
  • Page 57 General ....... 6 Service (LAUDA, Constant Temperature Equipment) . 55 Specifying limit values (temperature) .
  • Page 59 Serial number: from S190000001 Types: MC 250, MC 350, MC 600, MC 1200 comply with all relevant provisions of the EC Directives listed below due to their design and type of construction in the version brought on the market by us:...
  • Page 61 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 64 LAUDA DR. R. WOBSER GMBH & CO. KG Pfarrstrasse 41/43 ◦ 97922 Lauda-Königshofen ◦ Germany Phone: +49 (0)9343 503-0 ◦ Fax: +49 (0)9343 503-222 E-Mail: info@lauda.de ◦ Internet: https://www.lauda.de...

This manual is also suitable for:

Mc 350Mc 600Mc 1200

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