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Operating Manual
Operating manual
Recirculating Coolers
FL1201
FL1203
FL1701
FL1703
Changes without prior notification reserved
Printed in Germany
1.951.4822 BE5 06/08
19514822_FL12xx_FL17xx.doc
FLW1701
FLW1703
Druck: 25.06.2008
FL1203
Innovative Temperature Technology
JULABO Labortechnik GmbH
77960 Seelbach / Germany
+49 (0) 7823 / 51-0
+49 (0) 7823 / 24 91
info@JULABO.de
www.JULABO.de
English
RS232
ALARM
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Table of Contents
Related Manuals for Julabo FL1201
Summary of Contents for Julabo FL1201
- Page 1 ALARM FL1203 FL1203 FL1701 FLW1701 FL1703 FLW1703 Innovative Temperature Technology JULABO Labortechnik GmbH 77960 Seelbach / Germany +49 (0) 7823 / 51-0 Changes without prior notification reserved +49 (0) 7823 / 24 91 Printed in Germany info@JULABO.de 1.951.4822 BE5 06/08 Druck: 25.06.2008...
- 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 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.
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Page 3: Table Of Contents
TABLE OF CONTENTS 1. Use according to intended purpose....................4 2. Operator responsibility – Safety recommendations..............4 2.1. Handling..........................4 2.2. Use............................ 5 2.3. Disposal ..........................5 3. Technical specifications........................ 6 3.1. Warning functions and safety installations................ 9 3.2. Cooling water ........................9 4. -
Page 4: Use According To Intended Purpose
(bath fluid). 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 recirculating cooler and also mentions the most important safety precautions. -
Page 5: Use
This unit is designed for operation in a controlled electromagnetic environment. This means that transmitting devices (e.g. cellular phones) should not be used in the immediate vicinity. Magnetic radiation may influence other units with components susceptible to magnetic fields (e.g. a monitor). We recommend to keep a minimum distance of 1 m. Permissible ambient temperature: max. -
Page 6: Technical Specifications
Technical specifications Recirculating Cooler FL1201 FL1203 Cooling air cooled air cooled °C -20 ... +40 -20 ... +40 Working temperature range Temperature stability °C ±0.5 Temperature selection: digital via key pad indication on LED-DISPLAY remote control via personal computer indication on monitor... - Page 7 Recirculating Cooler FL1701 FLW1701 Cooling air cooled water cooled °C -20 ... +40 -20 ... +40 Working temperature range Temperature stability °C ±0.5 Temperature selection: digital via key pad indication on LED-DISPLAY remote control via personal computer indication on monitor Temperature indication: LED-DISPLAY °C...
- Page 8 Recirculating Cooler FL1703 FLW1703 Cooling air cooled water cooled °C -20 ... +40 -20 ... +40 Working temperature range Temperature stability °C ±0.5 Temperature selection: digital via key pad indication on LED-DISPLAY remote control via personal computer indication on monitor Temperature indication: LED-DISPLAY °C...
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Page 9: Warning Functions And Safety Installations
3.1. 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:... -
Page 10: 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 11: Installation
• Connect the tubings for cooling the external system to the pump connectors M16x1 for feed and return (14) on the rear of the recirculating cooler. Example: FL1201 (air cooled) - Feed – Return • Connect a piece of tubing to the overflow connector (15) and drain into a suitable vessel, which always has to be placed lower thant the exit „Overflow“. -
Page 12: Tubing
Order No. Description Suitable for 8 970 456 Shut-off valve for loop circuit, M16x1 FL1201 / FL(W)1701 8 970 454 Shut-off valve G ¾“ FL1203 / FL(W)1703 The following questions shall help to recognize possible dangers and to reduce the risks to a minimum. -
Page 13: Operating Controls And Functional Elements
Operating controls and functional elements Front view Rear view RS232 ALARM Air cooled model feed pressure not adjustable RS232 ALARM Water cooled model (16) with feed pressure adjusting valve (14) Lifting device for transportation by crane and handle at the front... - Page 14 Mains power switch, spash-water protected 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 Protection lid for fill in opening Interface RS232: remote control via personal computer RS232 Alarm output (for external alarm signal)
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Page 15: Operating Procedures
The proportion of water might evaporate by and by. Check the mixing ratio regularly and refill water if necessary. Recommended bath fluids: Bath fluids Temperature range Julabo Thermal G -30 °C ... 80 °C mixture water/glycol (50:50) -30 °C ... 50 °C water... -
Page 16: Power Connection
10 liters 8 940 125 JULABO Thermal G 5 liters 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 8.2. Power connection Caution: Only connect the unit to a power socket with earthing contact (PE –... -
Page 17: Switching On / Start - Stop
8.4. Switching on / Start - Stop Switching on: The recirculating cooler is turned on and off with the mains switch. The unit performs a self-test. All segments of the 4-digit LED temperature DISPLAY and all indicator lights will illuminate (as illustrated on the left). -
Page 18: Autostart On / Off
8.7. 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). This safe operating state is indicated by „OFF“... -
Page 19: Safety Installations
Safety installations 9.1. 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 20 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 21: Electrical Connections
11. 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 22: Communication With A Pc Or A Superordinated Data System
12.2. Communication with a PC or a superordinated data system If the recirculating cooler is put into remote control mode the MULTI-DISPLAY (LED) will read „R -OFF-„ = REMOTE STOP. The recirculating cooler is now operated via the computer. In general, the computer (master) sends commands to the recirculating cooler (slave). -
Page 23: List Of Commands
12.3. List of commands out commands: Setting parameters or temperature values. Command Parameter Response of recirculating cooler out_mode_05 Stop the unit = R –OFF-. Start the unit. out_mode_05 Set working temperature out_sp_00 xxx.xx in commands: Asking for parameters or temperature values to be displayed. Command Parameter Response of recirculating cooler... -
Page 24: Maintaining The Cooling Performance
Error messages Description -12 TEMPERATURE MEASUREMENT Error in A/D converter. ALARM -14 EXCESS TEMPERATURE The return temperature is above the switch-off value of PROTECTOR ALARM the high temperature warning function of 85 °C. Check dimensioning of application. Use a stronger recirculating cooler if necessary. -20 WARNING: CLEAN CONDENSOR OR Cooling of the condenser is affected. -
Page 25: Cleaning / Repairing The Unit
• Attach a short fault description. If you intend to return your JULABO unit to us, you will find a Service Return Form on our website www.julabo.de . Please use this as a delivery note and include it to the unit or send it in advance either by Fax or E-Mail. -
Page 26: Draining
15.1. 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. RS232 ALARM • Turn off the unit and disconnect the mains cable from the power source. -
Page 27: Warranty Conditions
10 000 working hours. To apply for this extended warranty the user must register the unit on the JULABO web site www.julabo.de, indicating the serial no. The extended warranty will apply from the date of JULABO Labortechnik GmbH’s original invoice.
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