Julabo F12-MC Operating Manual
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Julabo F12-MC Operating Manual

Refrigerated and heating circulators
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Julabo F12-MC Operating Manual

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  • Page 1 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...
  • Page 2 Refrigerated and Heating Circulators F12-MC F25-MC F26-MC F32-MC F33-MC F34-MC FS18-MC FP40-MC FP50-MC FPW50-MC JULABO USA, Inc. 754 Roble Road, Suite 180 Allentown, PA 18109 (610) 231-0250 (610) 231-0260 š info @ julabo.com ü www.julabo.com 1.953.0350BU3 02/05 19530350.doc Druck: 02.02.05...
  • Page 3 Congratulations! You have made an excellent choice. JULABO thanks you for the trust you have placed in us. This operating manual has been designed to help you gain an understanding of the principles of operating and possibilities of our circulators. For optimum utilization of all functions, we recommend that you thoroughly study this manual prior to beginning operation.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS Operating manual ......................5 Description .........................5 Operator responsibility – Safety recommendations .............6 Warranty conditions ....................9 Technical specifications....................10 Operating instructions....................16 Operating controls and functional elements ............16 Safety notes for the user..................18 Preparations ......................18 3.1. Installation ......................18 3.2. Bath fluids ......................19 3.3.
  • Page 5 Status messages .................... 51 11.5. Error messages ..................... 51 12. Maintaining the cooling performance ..............52 13. JULABO Service – Online remote diagnosis............53 14. Cleaning the unit ....................54 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 6: Operating Manual

    Operating manual Description JULABO circulators have been designed for temperature application to specific fluids in a bath tank. The units provide pump nozzles for temperature application to an external system (loop circuit). þ The circulators are operated via the splash-proof keypad. The implemented microprocessor technology allows to set and to store different values that can be indicated on the MULTI-DISPLAY (LED).

  • Page 7: Operator Responsibility - Safety Recommendations

    Operating manual Operator responsibility – Safety recommendations The products of JULABO Labortechnik GmbH warrant a safe operation if installation, operation and maintenance is carried out according to common safety regulations. This section informs you about potential dangers that may arise from operating the circulator...
  • Page 8 Permissible ambient temperature: max. 40 °C, min. 5 °C. Permissible relative air humidity: 50 % (40 °C). Do not store in an aggressive atmosphere. Protect from contaminations. Do not expose to sunlight. Operation: Only qualified personnel is authorized to perform configuration, installation, maintainance and repairs of the circulator.
  • Page 9 Warning label W26: Hot surface warning. Colours: (The label is put on by JULABO) yellow, black Observe the instructions in the manuals for instruments of a different make that you connect to the circulator, particularly the respective safety recommendations. Also observe the pin assignment of plugs and technical specifications of the products.

  • Page 10: Warranty Conditions

    (10,000), whichever comes first, from the date of delivery of the products. To avoid forfeiture of the warranty and to allow JULABO to be of continuing service to the scientific community, the record of the purchase is required to be returned to JULABO or one of its authorized representatives within 30 days of receipt of equipment.

  • Page 11: Technical Specifications

    Operating manual Technical specifications F12-MC F25-MC Working temperature range °C -20 ... 200 -28 ... 200 Temperature stability °C ±0,01 Temperature selection digital via key pad indication on MULTI-DISPLAY (LED) remote control via personal computerindication on monitor Temperature indication MULTI-DISPLAY (LED) Resolution °C...
  • Page 12 F26-MC F32-MC Working temperature range °C -28 ... 200 -35 ... 200 Temperature stability °C ±0,01 ±0,01 Temperature selection digital via keypad indication on MULTI-DISPLAY (LED) remote control via personal computer indication on monitor Temperature indication MULTI-DISPLAY (LED) Resolution °C Absolute Temperature Calibration °C ±3...
  • Page 13 Operating manual F33-MC F34-MC Working temperature range °C -30 ... 200 -30 ... 150 Temperature stability °C ±0,01 ±0,01 Temperature selection digital via keypad indication on MULTI-DISPLAY (LED) remote control via personal computer indication on monitor Temperature indication MULTI-DISPLAY (LED) Resolution °C Absolute Temperature Calibration...
  • Page 14 FS18-MC Working temperature range °C -35 ... 150 Temperature stability °C ±0,01 Temperature selection digital via keypad indication on MULTI-DISPLAY (LED) remote control via personal computer indication on monitor Temperature indication MULTI-DISPLAY (LED) Resolution °C 0.1 Absolute Temperature Calibration °C ±3 Temperature control Heater wattage (at 230 V) kW 2,0...
  • Page 15 Operating manual FP40-MC FP(W)50-MC Working temperature range °C -40 ... 200 -50 ... 200 Temperature stability °C ±0,02 ±0,02 Temperature selection digital via keypad indication on MULTI-DISPLAY (LED) remote control via personal computer indication on monitor Temperature indication MULTI-DISPLAY (LED) Resolution °C Absolute Temperature Calibration...
  • Page 16 Safety installations according to IEC 61010-2-010: Excess temperature protection adjustable from 0 °C ... 230 °C Low liquid level protection float switch Classification according to DIN 12876-1 class III Supplementary safety installations Early warning system for low level float switch High temperature warning function optical + audible (in intervals) Low temperature warning function...

  • Page 17: Operating Instructions

    Operating instructions Operating instructions Operating controls and functional elements Front view Rear view °C °C Mains power switch, illuminated for circulator Mains power switch, illuminated for cooling machine Start / stop key Key for selecting the working temperature Key for selecting the warning and safety values Menu functions Cursor keys (left or right)
  • Page 18 Control indicator – Cooling (without function) Control indicator – Alarm Adjustable excess temperature protection according to IEC 61010-2-010 Socket: control cable of JULABO refrigerated circulator or output for alarm messages Interface RS232 : remote control via personal computer RS232 Mains fuses: Safety cutout 15 A...

  • Page 19: Safety Notes For The User

    Safety notes for the user Safety notes for the user In addition to the safety warnings listed above, warnings are posted throughout the manual. These warnings are designated by an exclamation mark inside an equilateral triangle. „Warning of a dangerous situation (Attention ! Please follow the documentation).“...

  • Page 20: Bath Fluids

    Only for water cooled models: Ensure circulation of cooling water by connecting the tubing to cooling ¾" water inlet and outlet on the rear of the refrigerated circulator. Cooling water pressure 3,5 - 6 bar. Cooling water temperature <20 °C. 3.2.
  • Page 21 Preparations Notice: Please contact JULABO before using other than recommended bath fluids. JULABO takes no responsibility for damages caused by the selection of an unsuitable bath fluid. Unsuitable bath fluids are liquids which e.g. • are very highly viscous (much higher than 50 mm /s at the respective working temperature) •...

  • Page 22: Tubing

    3.3. Tubing Recommended tubing: Order No. Length Temperature range ® 8 930 008 tubing 8 mm inner dia. -20 °C to 120 °C ® 8 930 010 tubing 10 mm inner dia. -20 °C to 120 °C 8 930 108 Viton tubing 8 mm inner dia.

  • Page 23: Filling / Draining

    Preparations 3.4. Filling / draining Filling Take care that no liquid enters the interior of the circulator. • Recommended maximum filling level with water as bath fluid: 20 mm below the tank rim • Recommended maximum filling level with bath oils: 30 mm below the tank rim After filling, immerse the samples in the bath or place the lid on the bath, in case the opening is not to be used.

  • Page 24: Temperature Application To External Systems

    3.5. Temperature application to external systems The circulator is used for temperature application to external, closed systems (loop circuit) with simultaneous temperature application in the RS 232 circulator bath. Connecting the external system • Unscrew the collar nuts from the pump connector (24a).

  • Page 25: Operating Procedures

    Operating procedures Operating procedures 4.1. Power connection Caution: Connect the unit only to a grounded mains power socket! We disclaim all liability for damage caused by incorrect line voltages! Check to make sure that the line voltage matches the supply voltage specified on the identification plate.
  • Page 26 • Press the start/stop key. The MULTI-DISPLAY (LED) indicates the message "OFF". Caution: F12-MC If the circulator is turned off with the mains switch (1a), or in operating state „OFF“ or „rOFF“, the refrigerating unit is not switched off simultaneously.
  • Page 27 ð AUTOSTART off. NOTE: The circulator has been configured and supplied by JULABO according to N.A.M.U.R. recommendations. This means for the start mode, that the unit must enter a safe operating state after a power failure (non-automatic start mode). This safe operating state is indicated by „OFF“...

  • Page 28: Setting The Temperatures

    Setting the temperatures The function of the key is configurable. 1. If the key is pressed, normally only one adjustable working temperature is displayed (factory setting). 2. Press the button to call up the menu , then assign a menu with 3 pre-adjustable setpoints to the key.
  • Page 29 Setting the temperatures Example: Setting working temperature "t 3": Identifier of a Press the key until the desired menu window is menu window indicated on the MULTI-DISPLAY (LED). Example: Press enter to indicate the adjusted value for t 3 on the MULTI-DISPLAY (LED).

  • Page 30: Safety Installations, Warning Functions

    Safety installations, warning functions Settings for the excess temperature protection according to IEC 61010-2-010 and for the high and low temperature warning functions are made in a menu that is called up with the key 6.1. Excess temperature protection This safety installation is independent of the control circuit. When the temperature of the bath fluid has reached the safety temperature, a complete shutdown of the heater and pump is effected.

  • Page 31: Early Warning System, Low Level Protection

    Safety installations, warning functions 6.1.1. Early warning system, low level protection This low level protection is independent of the control circuit and is divided in two sections. 1. Switch in stage 1 recognizes a defined (patented) fluid level An audible warning (interval tone) sounds and on the MULTI-DISPLAY (LED) the message "E 40"...

  • Page 32: High And Low Temperature Warning Functions

    6.2. High and low temperature warning functions Factory settings: If for a sensitive temperature application task adherence to a working temperature value (setpoint) is to be supervised, then set high and low temperature warning values. High temperature limit In the example below, the >Setpoint< of 85 °C is surrounded t High 205 °C by the values >...

  • Page 33: Limitation Of The Operating Temperature Range

    Safety installations, warning functions The warning functions are only triggered when the actual bath temperature, after start from the „OFF“ or „rOFF“ mode, lies within the set limits for 3 seconds. Recommendation:: Set the high temperature warning value >t High< 5 °C to10 °C above the working temperature setpoint Set the low temperature warning value >t Low<...

  • Page 34: Change-Over Of The Warning Function To Shutdown Function

    6.4. Change-over of the warning function to shutdown function For the two menu items > t High < and > t Low < choose between a warning message being signalled or a complete shutdown of the main functional elements such as heater and Factory setting: Li 0 circulating pump being effected.

  • Page 35: Menu Functions

    Menu functions Menu functions The term „menu functions“ refers to adjustments such • electronically adjustable pump capacity Ø Pump • ATC - Absolute Temperature Calibration Ø ATC status Type (Art): >1. point<, >2. point < or >3. point < calibration 2 values per calibration point ttx = Defined temperature value of the calibration point.

  • Page 36: Setting The Pump Pressure

    7.1. Setting the pump pressure The pressure of the circulating pump is adjustable in four grades Flow rate: 11 ... 16 l/min Pump pressure: 0.22 ... 0.45 bar Factory setting: Stage 2 Press the button until the menu item is displayed. Press enter to indicate the parameter.

  • Page 37: Atc Absolute Temperature Calibration, 3-Point Calibration

    Menu functions 7.2. ATC Absolute Temperature Calibration, 3-point calibration ATC serves to compensate a temperature difference that might occur between circulator and a defined measuring point in the bath tank because of physical properties. Examples: Principle: 1-point calibration For ATC calibration, in steady state the bath temperature at the location of the temperature sensor (T ) is determined °C...
  • Page 38 Example: 3-point calibration In the temperature range of 80 °C to 160 °C the calibration Examples: curve of the temperature sensor (T ) should be assimilated to = 80.0 °C the actual temperatures on the measuring point (T = 79.7 °C Calibration procedure: = 120.0 °C Press...
  • Page 39 Menu functions Depending on which calibration type is selected (1-point, 2-point or 3-point calibration) only the necessary menu items are indicated. For 1-point calibration: >tt1< and >Ct1< For 2-point calibration: >tt1< and >Ct1< >tt2< and >Ct2< For 3-point calibration: >tt1< and >Ct1< >tt2<...

  • Page 40: Change-Over Of The Key Mode

    7.3. Change-over of the key mode Normally, the key is used to indicate only one adjustable working temperature. Press the key, to call up a menu with 3 pre-adjustable Factory setting: no setpoints. Press the button until the menu item displayed.

  • Page 41: Interface - Baud Rate, Handshake, Parity

    Menu functions The display changes from keypad control mode (manual operation) to remote control mode (operation via personal computer). 7.5. Interface - Baud rate, Handshake Parity Factory settings: To allow communication of the circulator with a PC or a 4.8 kBauds superordinated process control system take care the interface 2 = even parameters of both units match.

  • Page 42: Control Parameters - Xp, Tv, Tn

    7.6. Control parameters – Xp, Tv, Tn The control parameters preset in factory are in most cases adequate for achieving an optimum temperature pattern for the samples requiring temperature application. Each parameter may be manually set via the keypad if necessary, to allow optimum control performance.

  • Page 43: Reset

    Menu functions Optimization instructions for the PID control parameters: optimum setting The heat-up curve reveals inappropriate control °C settings. Inappropriate settings may produce the following heat-up curves: Xp too low Tv/Tn too low °C °C Xp too high or Tv too high Tv/Tn too high or Xp too high °C °C...

  • Page 44: Troubleshooting Guide / Error Messages

    • The float is defect (e. g., because damaged in transit). Repair by authorized JULABO service personnel. • During the self-test after switch-on a short-circuit is registered between pin 2 and pin 4 of the control cable or the control cable is interrupted during operation.
  • Page 45 Troubleshooting guide / Error messages • Cable of the working temperature sensor interrupted or short- circuited. • Defect of the working or excess temperature sensor. Working temperature and excess temperature sensors report a temperature difference of more than 25 °C. •...
  • Page 46 Press enter to automatically perform a single modification of the configuration. Then contact an authorized JULABO service station. Disturbances that are not indicated. The electronic pump motor is overload-protected by an electronic current limiter. If viscosity of the bath fluid is or becomes too high, the motor stops running.

  • Page 47: Safety Recommendations

    Safety recommendations Safety recommendations Follow the safety recommendations to prevent damage to persons or property. Further, the valid safety instructions for working places must be followed. • Connect the unit only to a grounded mains power socket! • Place the instrument on an even surface on a pad made of non- inflammable material.

  • Page 48: Electrical Connections

    3 m are used. The use of longer cables does not affect proper performance of the unit, however external interferences may have a negative impact on safe operation. / Control output connector may be used for control of JULABO refrigerated circulators or as output for alarm messages. Circuit: Operation...

  • Page 49: Remote Control

    Remote control 11. Remote control 11.1. Setup for remote control • Check the interface parameters for both interfaces (on circulator and PC) and make sure they match. (Serial interface - see page 40) RS232C • Set the menu item >Remote< from >no< to >YES<. (see page 39).

  • Page 50: List Of Commands

    The out commands are valid only in remote control mode. Examples: Command to set the working temperature >t 1< to 55,5 °C: out_sp_00 55.5↵ ⇔ Command to ask for the working temperature >t 1<: in_sp_00↵ Response from the circulator: 55.5↵ 11.3.
  • Page 51 Remote control in commands: Asking for parameters or temperature values to be displayed. Command Parameter Response of circulator in_pv_00 none Actual bath temperature. in_pv_01 none Heating power being used (%). in_pv_03 none Temperature value registered by the safety sensor. in_pv_04 none Setpoint temperature („SafeTemp“) of the excess temperature protection...

  • Page 52: Status Messages

    11.4. Status messages Status messages Description 00 MANUAL STOP Circulator in „OFF“ state. 01 MANUAL START Circulator in keypad control mode. 02 REMOTE STOP Circulator in „r OFF“ state. 03 REMOTE START Circulator in remote control mode. 11.5. Error messages Error messages Description -01 LOW LEVEL ALARM...

  • Page 53: Maintaining The Cooling Performance

    Maintaining the cooling performance Error messages Description -14 EXCESS TEMPERATURE Excess temperature protection alarm PROTECTOR ALARM -20 WARNING: CLEAN Cooling of the condenser is affected. CONDENSOR OR CHECK Clean air-cooled condenser. COOLING WATER CIRCUIT Check the flow rate and cooling water OF REFRIGERATOR temperature on water-cooled condenser.

  • Page 54: Julabo Service - Online Remote Diagnosis

    13. JULABO Service – Online remote diagnosis JULABO circulators of the HighTech series are equipped with a so-called black box. This box is implemented in the controller and records all significant data for the last 30 minutes. In case of a failure, this data can be read out from the unit by using special software.

  • Page 55: Cleaning The Unit

    The circulator is designed for continuous operation under normal conditions. Periodic maintenance is not required. The tank should be filled only with a bath fluid recommended by JULABO. To avoid contamination, it is essential to change the bath fluid from time to time.
  • Page 56 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...

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