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17 

 

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 
manual. These warnings are designated by an exclamation mark inside an equilateral 
triangle. “Warning of a dangerous situation (Attention! Please follow the 
documentation).” 
The danger is classified using a signal word.  
Read and follow these important instructions.  

 

Warning

Describes a possibly highly dangerous situation. If these instructions are not followed, 
serious injury and danger to life could result. 

 

Caution: 

Describes a possibly dangerous situation. If this is not avoided, slight or minor injuries 
could result. A warning of possible property damage may also be contained in the text.

 

Notice: 

Describes a possibly harmful situation. If this is not avoided, the product or anything in 
its surroundings can be damaged.

 

 

4.2. 

Explanation of other notes 

 

Note! 

Draws attention to something special. 
 

 

Important! 

Indicates usage tips and other useful information. 

Summary of Contents for FL300

Page 1: ...19514818 V1 doc 17 01 13 Operating manual Recirculating Coolers FL300 FL601 English RS232 ALARM FL300 ...

Page 2: ... devices for research and industry are developed produced and distributed according to the requirements of ISO 9001 2008 Certificate Registration No 01 100044846 Unpacking and inspecting Unpack the recirculating cooler and accessories and check for damages incurred during transit These should be reported to the responsible carrier railway or postal authority and a request for a damage report shoul...

Page 3: ...on the approximation of the laws of the Member States relating to machinery Low voltage regulations with respect to legal harmonization of the member countries concerning electric devices for use within certain voltage limits EMC guideline with respect to legal harmonization of the member countries concerning electromagnetic compatibility JULABO GmbH Eisenbahnstr 45 77960 Seelbach Germany ...

Page 4: ... Explanation of safety notes 17 4 2 Explanation of other notes 17 4 3 Safety instructions 18 5 Installation 20 5 1 Tubing 23 6 Operating controls and functional elements 24 7 Operating procedures 26 7 1 Bath fluids 26 7 2 Power connection 27 7 3 Filling 28 7 4 Switching on Start Stop 29 7 5 Setting the temperatures 30 7 6 AUTOSTART ON OFF 31 7 7 Remote control activate deactivate 32 ...

Page 5: ...10 Electrical connections 36 11 Remote control 37 11 1 Setup for remote control 37 11 2 Communication with a PC or a superordinated data system 38 11 3 List of commands 40 11 4 Status messages 41 11 5 Error messages 41 12 Cleaning repairing the unit 42 13 Adequate storing of operating manual 44 14 Draining 45 15 Warranty conditions 46 ...

Page 6: ...cessor technology allows to set and to store the setpoint that can be indicated on the LED temperature display The PID temperature regulation is used to withdraw heat from the bath fluid by means of the cooling machine and to automatically regulate the required need Electrical connections 1 The serial interface RS232 allows modern process technology without additional interface 2 Alarm output for ...

Page 7: ... unit or the information in this manual please contact us Contact JULABO GmbH Eisenbahnstraße 45 77960 Seelbach Germany Tel 49 7823 51 0 info julabo de Fax 49 7823 2491 www julabo de Safety recommendations for the operator You received a product conceived for industrial use Nevertheless avoid strikes to the housing vibrations damages to the keypad foil keys display or contamination Make sure the p...

Page 8: ...ized to perform configuration installation maintenance and repairs of the water bath Routine operation can also be carried out by untrained personnel who should however be instructed by trained personnel Use For the use according to the intended purpose special material requirements have to be respected bath fluids Only use non acid and non corroding materials Observe all warnings for the used mat...

Page 9: ...y data sheet 2 or Mandatory label M018 Colors blue white Carefully read the user information prior to beginning operation Scope EU 2 Semi S1 0701 Table A1 2 9 Carefully read the user information prior to beginning operation Scope USA NAFTA Observe the instructions in the manuals for instruments of a different make that you connect to the circulator particularly the corresponding safety instruction...

Page 10: ...n EU countries Directive 2002 96 EC of the European Parliament and of the Council of 27 January 2003 on waste electrical and electronic equipment WEEE This directive requires electrical and electronic equipment marked with a crossedout trash can to be disposed of separately in an environmentally friendly manner Contact an authorized waste management company in your country Disposal with household ...

Page 11: ...ia personal computer indication on monitor Temperature indication LED DISPLAY Resolution C 0 1 Temperature control PID 1 Temperature sensor Pt 100 Excess temperature protection 85 C fixed value Low liquid level protection float switch Electrical connections Computer interface RS232 Alarm output for external alarm signal Circulating pump discharge max at 0 bar l min 15 pressure max at 0 Liters bar ...

Page 12: ...ng to IEC 60 529 IP 21 Cooling compressor 1 stage air cooled Refrigerant R134a Cooling capacity at A B C C 20 10 0 10 20 Medium Mixture water glycol kW 0 3 0 25 0 2 0 15 0 1 A Mains power connection 230 V 50 Hz V Hz 207 253 50 Current input at 230 V A 3 0 B Mains power connection 208 220 V 60 Hz V Hz 197 242 60 Current input at 208V 220 V A 3 0 3 0 C Mains power connection 115 V 60 Hz V Hz 103 127...

Page 13: ...3 0 25 0 2 0 15 0 06 Cooling capacity D at 200 V 60 Hz C 20 10 0 10 20 Medium Mixture water glycol kW 0 3 0 25 0 2 0 15 0 09 D Mains power connection 200 V 50 60 Hz V Hz 190 254 50 190 244 60 Current input at 200 V A 3 0 All measurements have been carried out at rated voltage and frequency ambient temperature 20 C ...

Page 14: ... Temperature indication LED DISPLAY Resolution C 0 1 Temperature control PID 1 Temperature sensor Pt 100 Excess temperature protection 85 C fixed value Low liquid level protection float switch Cooling capacity C 20 10 0 5 20 Medium Mixture water glycol kW 0 6 0 5 0 4 0 33 0 2 Cooling compressor 1 stage air cooled Refrigerant R404A Electrical connections Computer interface RS232 Alarm output for ex...

Page 15: ...temperature range C 5 40 Return flow temperature C 80 max IP class according to IEC 60 529 IP 21 Mains power connection 230 V 50 Hz V Hz 207 253 50 Current input at 230 V A 4 6 Mains power connection 208 220 V 60 Hz V Hz 197 242 60 Current input at 208V 220 V A 5 0 Mains power connection 115 V 60 Hz V Hz 103 127 60 Current input at 115 V A 9 1 All measurements have been carried out at rated voltag...

Page 16: ...ly indoor Altitude up to 2000 m normal zero Ambient temperature 5 40 C Air humidity Max rel humidity 80 for temperatures up to 31 C linear decrease down to 50 relative humidity at a temperature of 40 C Max mains fluctuations of 10 are permissible The unit corresponds to Class I Overvoltage category II Pollution degree 2 Caution The unit is not for use in explosive environment Standards for interfe...

Page 17: ...tructions Warning Describes a possibly highly dangerous situation If these instructions are not followed serious injury and danger to life could result Caution Describes a possibly dangerous situation If this is not avoided slight or minor injuries could result A warning of possible property damage may also be contained in the text Notice Describes a possibly harmful situation If this is not avoid...

Page 18: ...e you read and understand all instructions and safety precautions listed in this manual before installing or operating your unit Never operate the unit without bath fluid in the bath Do not drain the bath fluid while it is hot or cold Check the temperature of the bath fluid prior to draining by switching the unit on for a short moment for example Use suitable connecting tubing Make sure that the t...

Page 19: ... Sudden jolts or drops may cause damage in the interior of the unit Observe all warning labels Never remove warning labels Never operate equipment with damaged mains power cables Repairs are to be carried out only by qualified service personnel Risk of injury for hands Close cover carefully Some parts of the bath tank and the pump connections may become extremely cold during continuous operation T...

Page 20: ...be large enough and provide sufficient air ventilation to ensure the room does not warm up excessively because of the heat the instrument rejects to the environment Max permissible ambient temperature 35 C For a fault leakage in the refrigeration system the standard EN 378 prescribes a certain room space to be available for each kg of refrigerant The necessary amount of refrigerant is specified on...

Page 21: ... a suitable vessel which always has to be placed lower thant the exit Overflow Do not set up the unit in the immediate vicinity of heat sources and do not expose to sun light Before operating the unit after transport wait about one hour after setting it up This will allow any oil that has accumulated laterally during transport to flow back down thus ensuring maximum cooling performance of the comp...

Page 22: ...hut off valves Order No Description Suitable for 8 970 456 Shut off valve for loop circuit M16x1 FL300 FL601 The following questions shall help to recognize possible dangers and to reduce the risks to a minimum Are all tubes and electrical cables connected and installed Note sharp edges hot surfaces in operation moving machine parts etc What to do when a dangerous substance was spilled on or in th...

Page 23: ...ubing 8 mm inner dia 20 120 C FL300 8930308 1 m Reinforced tubing 8 mm inner dia 40 120 C FL601 8930312 1 m Reinforced tubing 12 mm inner dia 40 120 C FL601 Tubing insulation 8930410 1 m Insulation 14 mm inner dia CR tubing 8 mm inner dia 8930412 1 m Insulation 18 mm inner dia Reinforced tubing 8 mm inner dia 8930413 1 m Insulation 23 mm inner dia Reinforced tubing 12 mm inner dia Tube clamps 8970...

Page 24: ... view RS232 ALARM FL300 1 2 3 4 14a 5 6 7 8 9 Push 4 15 Push 4 Protection lid for fill in opening 15 Protection lid for storing place of operating manual 1 5 A M P 1 5 A M P 1 5 A M P 1 5 A M P 1 5 A M P 1 5 A M P 1 5 A M P 1 5 A M P 1 5 A M P 1 5 A M P 15 A M P 15 A M P 10 11 12 13 14b ...

Page 25: ...ED temperature display 3 2 Control indicator Cooling 3 3 Control indicator Alarm 4 0 Filling opening 5 Alarm output for external alarm signal 6 RS232 Interface RS232 remote control via personal computer 7 Filling level indication 8 Drain port 9 Venting grid removable 10 Mains power cable with plug 11 10 A M P Mains circuit breakers resettable 12 Pump connector M16x1 Feed Pump connector M16x1 Retur...

Page 26: ...of an unsuitable bath fluid Do not use alcohols Water The quality of water depends on local conditions Due to the high concentration of lime hard water is not suitable for temperature control because it leads to calcification in the bath Ferrous water can cause corrosion even on stainless steel Chloric water can cause pitting corrosion Distilled and deionized water is unsuitable Their special prop...

Page 27: ...ng contact PE protective earth We disclaim all liability for damage caused by incorrect line voltages The power supply plug serves as safe disconnecting device from the line and must be always easily accessible Never operate equipment with damaged mains power cables Regularly check the mains power cables for material defects e g for cracks Make sure that the line voltage and frequency match the su...

Page 28: ...page 20 to page 23 Check to make sure that the drain tap 8 is closed Unlock and open lid of fill in opening 4 by slightly pushing Fill in tempering fluid up to marking H of the filling level indicator Turn the mains switch 1 on Switching on see page 29 Switch on unit To do so press button for approx 4 seconds Tempering fluid is pumped into the externally connected system Refill fluid up to marking...

Page 29: ...all indicator lights will illuminate as illustrated on the left Then the software version and the type of unit is indicated Examples v 1 02 FL300 The display OFF indicates the unit is ready to operate standby mode Start Press enter for about 4 seconds The LED temperature DISPLAY indicates the actual bath temperature Stop Press enter for about 4 seconds Turn the unit off with the mains power switch...

Page 30: ...s one of the keys for a short moment The setpoint value instead of the actual value is indicated on the display for about 8 seconds The value can now be changed 2 Change value Press to set a higher value Press to set a lower value Keep the keys depressed for the value to change fast 3 Press enter to store the value ...

Page 31: ...culating pump is effected simultaneously Should such a safety standard not be required the AUTOSTART function automatic start mode may be activated thus allowing the start of the circulator directly by pressing the mains power switch or using a timer Keep depressed enter and turn on the unit with the mains power switch For a short while the LED DISPLAY indicates the effective start mode AUTOSTART ...

Page 32: ...activate deactivate Switch off recirculating cooler by pressing the mains switch and wait approx 5 seconds Keep depressed the keys and enter simultaneously and turn on the unit with the mains power switch I OFF No remote control via RS232 Factory setting I On Remote control via RS232 The software version and the type of unit is indicated see example on the left The display rOFF indicates the unit ...

Page 33: ...SPLAY appears the error message Error 14 8 2 Low level protection This safety installation is independent of the control circuit If the low liquid level protection device is triggered a complete shutdown of the compressor and circulating pump is effected The alarm is indicated by optical and audible signals continuous tone and on the LED DISPLAY appears the error message Error 01 Turn off the unit...

Page 34: ...The alarm light illuminates and a continuous signal tone sounds The LED temperature display indicates the cause for the alarm in form of a code Press enter to quit the audible signal The recirculating cooler is operated without bath fluid or the liquid level is insufficient Replenish the bath tank with the bath fluid Tube breakage has occured insufficient filling level due to excessive bath fluid ...

Page 35: ... contact an authorized service station Warning without a complete shutdown of the unit Excess temperature warning starting at 75 C The return temperature soon reaches the swith off value of the high temperature protection 85 C If the unit cannot be returned to operation contact an authorized JULABO service station 10 A M P Disturbances that are not indicated Overload protection a for cooling machi...

Page 36: ...wever external interferences may have a negative impact on safe operation RS232 serial interface This port can be used to connect a computer with an RS232 cable for remote control of the recirculating cooler 9 6 5 1 RS232C Pin assignments Pin 2 RxD Receive Data Pin 3 TxD Transmit Data Pin 5 0 V Signal GND Pin 7 RTS Request to send Pin 8 CTS Clear to send Pin 1 4 6 9 Reserved do not use Accessories...

Page 37: ...witch Off or Switching capacity max 30 W 30 VA Switching voltage max 30 V Switching current max 1 A 11 Remote control 11 1 Setup for remote control 9 6 5 1 RS232 Check the interface parameters for both interfaces on recirculating cooler and PC and make sure they match Interface parameters are pre determined Type RS232 Baudrate 4800 bauds Parity even Handshake hardware handshake ...

Page 38: ...ta including error messages only when the computer sends a query In remote control mode After a power interruption the order to start and all values which have to be adjusted must be resent from the personal computer via the interface AUTOSTART is not possible A transfer sequence consists of command out in command space Hex 20 out in command parameter the character separating decimals in a group i...

Page 39: ...wed by a LF Line Feed The next command should only be sent after 10 ms The commands are divided into in or out commands in commands asking for parameters to be displayed out commands setting parameters The out commands are valid only in remote control mode Examples Command to set the working temperature to15 5 C out_sp_00 15 5 Command to ask for the working temperature in_sp_00 Response from the r...

Page 40: ...0 xxx xx Set working temperature in commands Asking for parameters or temperature values to be displayed Command Parameter Response of recirculating cooler version none Number of software version V X xx status none Status message error message see page 41 in_pv_00 none Actual bath temperature in_sp_00 none Working temperature in_mode_05 none Recirculating cooler in Stop Start condition 0 Stop 1 St...

Page 41: ...arm 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 I2 C BUS ERROR Internal error when reading or writing the I2 C bus 08 INVALID COMMAND Invalid command 09 COMMAND NOT ALL...

Page 42: ...rature warning function of 85 C Check dimensioning of application Use a stronger recirculating cooler if necessary 12 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 43: ...an the ribbed condenser with a vacuum cleaner Replace the venting grid Switch on the unit Cleaning Clean the outside of the unit using a wet cloth and low surface tension water 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 ...

Page 44: ...ach a short fault description When returning a unit take care of careful and adequate packing JULABO is not responsible for damages that might occur from insufficient packing JULABO reserves the right to carry out technical modifications with repairs for providing improved performance of a unit 13 Adequate storing of operating manual Store the operating manual at the foreseen place at the unit and...

Page 45: ...the venting grid RS232 ALARM RS232 ALARM Turn off the unit and disconnect the mains cable from the power source Hold the venting grid pull out and remove Slide a short piece of tube onto the drain connection 8 and hold it into a container Loosen the drain screw a few turns and drain the unit completely Close the drain tap and replace the venting grid ...

Page 46: ... 24 months limited to a maximum of 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 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 ...

Page 47: ...47 ...

Page 48: ... 49 0 7823 51 0 info julabo de 77960 Seelbach Germany Fax 49 0 7823 24 91 www julabo de Changes without prior notification reserved Printed in Germany 1 951 4818 V1 01 13 Important keep operating manual for future use ...

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