Julabo FLW1703 Recirculating Coolers Manuel d'utilisateur

19514822-V2.doc English Operating manual Recirculating Coolers FL1201 FL1203 FL1701 FLW1701 FL1703 FLW1703 RS2 32 ALA RMFL1203

10 Recirculating Cooler Cooling FL1701 FLW1701 air cooled water cooled Working temperature range °C -20 ... +40 -20 ... +40 Temperature stabil

11 Recirculating Cooler Cooling FL1703 FLW1703 air cooled water cooled Working temperature range °C -20 ... +40 -20 ... +40 Temperature stabil

12 Warning functions and safety installations Excess temperature protection 85 °C - fixed value Low liquid level protection float switch Alarm mes

13 3.1. Cooling water connection Only for water cooled models - FLW: Cooling water pressure (IN / OUT ) max. 6 bar Difference pressure (IN - OUT )

14 4. Safety notes for the user 4.1. Explanation of safety notes In addition to the safety warnings listed above, warnings are posted throughout the

15  Avoid sharp bends in the tubing, and maintain a sufficient distance from surrounding walls.  Regularly check the tubing for material defects (

16 5. Installation Rear view:  Place the unit on an even surface on a base made of nonflammable material.  Cooling machine, pump motor and

17 Caution: Pump pressure  Determine and check the max. admissible pressure for the external circuit before putting the unit into operation. The m

18 6. Operating controls and functional elements Front view Rear view RS232ALARM12345678910 INOUT1112131517 Air cooled model feed pressure not

19 1 Mains power switch, spash-water protected on off 2.0 Keypad, spash-water protected 2.1 Edit keys (set point increase or decrease) 2.2

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

20 Top view PushPush418 4 Protection lid for fill in opening 18 Protection lid for storing place of operating manual

21 7. Operating procedures 7.1. Bath fluids Caution: No liability for use of other bath liquids! Please contact JULABO before using other than re

22 7.3. Filling Notice: Risk of injury for hands. Close cover carefully. Top view PushPushTake care that no liquid enters the interior of the ci

23 7.5. Setting the feed pressure max. Set the max. permissible feed pressure (example: 2 bar) by slowly closing the adjusting valve (14) on the

24 7.8. Remote control: activate – deactivate (Interface OFF) (Interface On)     The recirculating cooler is to be prepared for remo

25 9. Troubleshooting guide / Error messages + Whenever the microprocessor electronics registers a failure, a complete shutdown of the compressor

26 Disturbances that are not indicated. Overload protection:: a) for cooling machine b) for pump motor After a short cooling interval, the unit

27 10. Electrical connections Notice: Use shielded cables only. The shield of the connecting cable is electrically connected to the plug housing. T

28 11.2. Communication with a PC or a superordinated data system If the recirculating cooler is put into remote control mode the MULTI-DISPLAY (LE

29 11.3. List of commands out commands: Setting parameters or temperature values. Command Parameter Response of recirculating cooler out_mode_05

3 TABLE OF CONTENTS 1. Intended use ...

30 Error messages Description -12 TEMPERATURE MEASUREMENT ALARM Error in A/D converter. -14 EXCESS TEMPERATURE PROTECTOR ALARM The return temperature

31 INOUT Water cooled models = FLW In order to maintain a good condition of the cooling compressor, the sieve in the cooling water input should be

32 12.1. Draining Notice: Store and dispose the used bath fluid according to the laws for environmental protection. Risk of injury for hands whe

33 14. Warranty conditions JULABO GmbH warrants its products against defects in material or in workmanship, when used under appropriate conditions an

4 1. Intended use JULABO recirculating coolers have been designed for temperature application to specific fluids. The pump connections can be used fo

5 Safety recommendations for the operator  You received a product conceived for industrial use. Nevertheless, avoid strikes to the housing, vibrati

6 2.1. Disposal This unit contains the refrigerant R404A – at this time considered not to have any negative effects on the ozone layer. However, duri

7 2.2. EC Conformity

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9 3. Technical specifications Recirculating Cooler Cooling FL1201 FL1203 air cooled air cooled Working temperature range °C -20 ... +40 -20 ..