Table of Contents
Related Manuals for Julabo FL20006
Summary of Contents for Julabo FL20006
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Page 1: Operating Manual
English Operating manual Recirculating Coolers FL20006 FLW20006 JULABO GmbH 77960 Seelbach / Germany Tel. +49 (0) 7823 / 51-0 +49 (0) 7823 / 24 91 info@julabo.de 1.951.4837-V2 10/13 www.julabo.de 19514837-V2.doc Print date: 09.10.2013... - Page 2 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 operation and possible applications of our circulators. For optimal utilization of all functions, we recommend that you thoroughly study this manual prior to beginning operation.
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Page 3: Table Of Contents
10.3. List of commands ......................25 10.4. Status messages ......................25 10.5. Error messages ....................... 26 Cleaning / repairing the unit ....................27 11.1. JULABO Service – Online remote diagnosis ..............29 11.2. Draining ........................... 30 Warranty conditions ......................31 Example Installation Log ....................32... -
Page 4: Intended Use
(e. g. for glass equipment). Operator responsibility – Safety instructions The products of JULABO ensure safe operation when installed, operated, and maintained according to common safety regulations. This section explains the potential dangers that may arise when operating the circulator and also specifies the most important safety precautions to preclude these dangers as far as possible. - Page 5 Safety recommendations for the operator You received a product developed for industrial use. Nevertheless, avoid strikes to the housing, vibrations, damages to the keypad foil (keys, display) or contamination. Make sure the product is regularly checked for proper condition. Regularly check (at least every 2 years) the proper condition of the mandatory, warning, prohibition and safety labels.
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Page 6: Installation Log For Fl20006
2.1. Installation Log for FL20006 The operator is obliged to keep an installation log for the refrigeration unit if the filling volume of the refrigerant exceeds 3 kg! EN 378-4:2008-06 The installation log must be kept with the unit. Documentation If the information and data is recorded on a computer, the current status must be printed out (hard copy) and kept with the unit. -
Page 7: Ec Conformity
2.3. EC Conformity... -
Page 8: Technical Specifications
2.4. Technical specifications Recirculating Cooler FL20006 FLW20006 Cooling air cooled water coolrd Working temperature range °C -25 ... +40 -25 … +40 Temperature stability °C ±0.5 Temperature selection: digital via key pad indication on LED-DISPLAY remote control via personal computer... - Page 9 Warning functions and safety installations Excess temperature protection 85 °C - fixed value Low liquid level protection float switch Alarm message optical + audible (permanent) Excess temperature - Warning function 75 °C Overload protection for compressor and pump motor Classification according to DIN 12876-1 class I Environmental conditions according to IEC 61 010-1: Use only indoor.
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Page 10: Cooling Water Connection
2.5. Cooling water connection Only for water cooled models - FLW: Cooling water pressure (IN / OUT ) max. 6 bar Difference pressure (IN - OUT ) 2 bar to 6 bar Flow rate on FLW 20006 typical 24.0 l/min Cooling water temperature 15 °C Notice:... -
Page 11: Safety Notes For The User
Safety notes for the user 3.1. Explanation of safety notes 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 12: Installation
Make sure that the tubing is securely attached. Regularly check the tubing for material defects (e.g., for cracks). Never operate damaged or leaking equipment. Always turn off the unit and disconnect the mains cable from the power source before performing any service or maintenance procedures, or before moving the unit. - Page 13 Caution: Pump pressure Determine and check the max. admissible pressure for the external circuit before putting the unit into operation. The max. pressure is determined by the weakest element in the circuit (e. g. glass equipment). Securely attach all tubing to prevent slipping. ...
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Page 14: Tubing
Return flow safety device If the filling volume of the bath tank is not sufficient, prevent the liquid from flowing back by using shut-off valves.. Order No. Description Suitable for 8 970 458 Shut-off valve G 1¼“ FL(W) 7006/11006/20006 The following questions shall help to recognize possible dangers and to reduce the risks to a minimum. -
Page 15: Operating Controls And Functional Elements
Operating controls and functional elements Front view Rear view Top view... - Page 16 Mains power switch Keypad, spash-water protected Edit keys (set point increase or decrease) Enter key Store set point value / parameter Indication LED temperature display °C Control indicator – Cooling Control indicator – Alarm Fill in opening, screwed plug Feed pressure indication: Manometer Interface RS232: remote control via personal computer RS232 Alarm output (for external alarm signal)
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Page 17: Operating Procedures
Bath fluids Caution: No liability for use of other bath liquids! 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 Do not use alcohols. -
Page 18: Filling
6.3. Filling Take care that no liquid enters the interior of the circulating cooler. Top view Connect the tubing from the external system to the pump connectors and check for leaks Respect instructions from page 12 to page 14! ... -
Page 19: Setting The Feed Pressure
6.7. AUTOSTART ON / OFF The recirculating cooler 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). -
Page 20: Remote Control: Activate - Deactivate
6.8. Remote control: activate – deactivate The recirculating cooler is to be prepared for remote control by a personal computer via the serial interface RS232. Set the interface item from >IOFF< to >ION<. Remote control: activate – deactivate: Switch off recirculating cooler by pressing the mains switch and wait approx. -
Page 21: Safety Installations
Safety installations 7.1. Excess temperature protection This safety installation is independent of the control circuit. When the temperature of the bath fluid has reached the safety temperature (85 °C), a complete shutdown of the compressor and pump is effected. The alarm is indicated by optical and audible signals (continuous tone) and on the LED-DISPLAY appears the error message "Error 14". - Page 22 Clean air-cooled condenser. Check the flow rate and cooling water temperature on water-cooled condenser. If the unit cannot be returned to operation, contact an authorized JULABO service station. Disturbances that are not indicated. Overload protection:: a) for cooling machine b) for pump motor After a short cooling interval, the unit will automatically start running.
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Page 23: Electrical Connections
Electrical connections Notice: Use shielded cables only. The shield of the connecting cable is electrically connected to the plug housing. The unit ensures safe operation if connecting cables with a maximum length of 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. -
Page 24: Remote Control
10. Remote control 10.1. Setup for remote control Check the interface parameters for both interfaces (on recirculating cooler and PC) and make sure they match. Interface parameters are pre-determined. RS232 Type RS232 Baudrate 4800 bauds Parity even Handshake hardware handshake 10.2. -
Page 25: List Of Commands
The out commands are valid only in remote control mode. Examples: out_sp_00 15.5 Command to set the working temperature to15,5 °C: Command to ask for the working temperature in_sp_00 Response from the recirculating cooler: 15.5 LF 10.3. List of commands out commands: Setting parameters or temperature values. -
Page 26: Error Messages
10.5. Error messages Error messages Description Low liquid level alarm. -01 LOW LEVEL ALARM -05 WORKING SENSOR ALARM Working temperature sensor short-circuited or interrupted. -03 EXCESS TEMPERATURE WARNING High temperature warning. Starting at 75 °C (no deactivation) The return temperature soon reaches the switch-off value of the high temperature warning function (85 °C) -07 I C-BUS ERROR... -
Page 27: Cleaning / Repairing The Unit
11. Cleaning / repairing the unit Caution: Always turn off the unit and disconnect the mains cable from the power source before cleaning the unit. Prevent humidity from entering into the circulator. Electrical connections and any other work must be performed by qualified personnel only. - Page 28 The recirculating cooler 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. Repairs: Before asking for a service technician or returning a JULABO instrument for repair, please contact an authorized JULABO service station.
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Page 29: Julabo Service - Online Remote Diagnosis
11.1. JULABO Service – Online remote diagnosis JULABO circulators of the HighTech series are equipped with a 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 30: Draining
11.2. Draining Notice: Store and dispose the used bath fluid according to the laws for environmental protection. Risk of injury for hands when mounting the venting grid. The unit has two drain taps. Both have to be used. First drain the large tank via drain tap A, the drain the remaining liquid via drain tap B. -
Page 31: Warranty Conditions
The extended warranty will apply from the date of JULABO GmbH’s original invoice. JULABO GmbH reserves the right to decide the validity of any warranty claim. In case of faults arising either due to faulty materials or workmanship, parts will be repaired or replaced free of charge, or a new replacement unit will be supplied. -
Page 32: Example Installation Log
13. Example Installation Log Type of Unit: Year of manufacture: Refrigerant: Permissible operating overpressure Filling volume refrigerant: Details of all maintenance and repairs Quantity and type (new, reused or recyceled) of the refrigerant used for filling Quantity of refrigerant drained from the unit If an analysis of the reused refrigerant is available, please list the results Origin of the refrigerant Modification and exchange of unit components...
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