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Julabo F25-ME Operating Manual Download Page 51

ME 

 

 

 

 

 

An ATC calibration is to be carried out. 

Set to >NO< 

•

  The parameter flashes, switch by pressing 

  and  

. 

 

 

 

 

 

•

  The parameter flashes, switch by pressing 

  and  

. 

A >3-point< calibration is carried out. 

 

 

 

 

 

 

The value >TMPVAL< is only indicated 
In addition the measured value >CALVAL X< is saved 

during the following step 

 

 

 

•

  Integer digits flash, set by pressing  

  (79) +  

  

•

  Decimal digits flash, set by pressing 

  (70)  +  

 

The first of 3 points is calibrated. 

 

 

Return to 2. Set working temperature value SETPNT: 120.00 °C 

 

 

 

 

The value is only indicated 
 

 

 

 

 

•

  Integer digits flash, set by pressing 

 (119)  +  

 

•

  Decimal digits flash, set by pressing 

 (50) +  

 

The second of 3 points is calibrated. 

 

 

Return to 2. set working temperature value SETPNT: 160.00 °C 

 

 

 

The value is only indicated. 
 

 

 

 

 

•

  Integer digits flash, set by pressing 

  (159) +  

 

•

  Decimal digits flash, set by pressing  

  (30) +  

  

The 3-point calibration is completed 

 

 

5. Return to standard operation  

 

 

 

•

  Set >YES< after calibration. 

(Standard operation) 

51 

www.

.com

[email protected]

1.800.561.8187

Summary of Contents for F25-ME

Page 1: ...ish Refrigerated and Heating Circulators F25 ME F26 ME F32 ME F33 ME F34 ME FP40 ME FP50 ME water cooled FPW50 ME Translation of the Original Operating Manual 19530512 V1 doc 14 03 16 www com information itm com 1 800 561 8187 ...

Page 2: ...uirements of ISO 9001 and ISO 14001 Certificate Registration No 01 100044846 Unpacking and inspecting Unpack the circulator and accessories and inspect them for possible transport damage Damage should be reported to the responsible carrier railway or postal authority and a damage report should be requested These instructions must be followed to the full extent for us to guarantee our full support ...

Page 3: ...9 5 Preparations 20 5 1 Installation 20 5 2 Bath fluids 20 5 3 Temperature application to external systems 21 5 3 1 Tubing 22 5 4 Filling draining 23 6 Operating procedures 24 6 1 Power connection 24 6 2 Switching on Start Stop 24 6 2 1 Switching on the circulator 24 6 2 2 Switching on the Cooling Machine 25 7 Setting of temperatures 26 7 1 Using the pre settings in the menu 26 7 2 Direct setting ...

Page 4: ...L 44 9 6 MENU SERIAL BAUDRATE HANDSHAKE PARITY 45 9 7 MENU ATC Absolut Temperature Calibration 46 9 7 1 ATC SENSOR INTERNAL EXTERNAL 48 9 7 2 ATC STATUS YES NO 48 9 7 3 CALIBRATION TYPE 1 2 3 POINT 49 9 7 4 Example 3 point calibration for internal control 50 9 8 MENU LIMITS 52 9 8 1 Limits for internal control 53 9 8 2 Limits for external control 53 10 Troubleshooting guide error messages 55 11 El...

Page 5: ...e bath Absolute Temperature Calibration ATC3 provides high temperature stability at all points in the bath With the 3 point calibration an offset is adjusted at three temperatures to ensure an accurate temperature pattern at the selected spot in the bath over the entire temperature range Electrical connections RS232 interface for modern process technology without an additional interface Connection...

Page 6: ...ndustrial use Nevertheless avoid strikes to the housing vibrations damage to the operating element panel keypad display and contamination Make sure the product is checked for proper condition regularly depending on the conditions of use Regularly check at least every 2 years the proper condition of the mandatory warning prohibition and safety labels Make sure that the mains power supply has low im...

Page 7: ...are enclosed with the warning labels included in the delivery Warning labels must be easily visible to users 1 Warning label W00 Colors yellow black Danger area Attention Observe instructions operating manual safety 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 inf...

Page 8: ...hese oils fully or partially consist of mineral oil or synthetic oil For disposal observe the instructions in the safety data sheets These units contains refrigerants at this time considered not to have any negative effects on the ozone layer However during the long operating period of the unit disposal prescriptions may change So only qualified personnel should take care of disposal Contact an au...

Page 9: ... 200 30 200 Temperature stability C 0 01 0 01 Cooling capacity Medium ethanol C kW 20 0 20 0 26 0 2 0 06 20 0 20 30 0 45 0 39 0 15 0 05 Refrigerant R134a R134a Overall dimensions WxDxH cm 42x42x42 31x42x64 Bath opening WxL cm 12x14 18x12 Bath depth cm 14 15 Filling volume from to liters 3 4 5 5 5 8 Weight kg 31 37 Mains power connection V Hz 230 50 230 50 Current draw at 230 V A 12 CH 2 12 Mains p...

Page 10: ...60 Current draw at 115 V A 15 14 Mains power connection V Hz 100 60 Current draw at 100 V A 15 FP40 ME FP50 ME FPW50 ME Working temperature range C 40 200 50 200 Temperature stability C 0 01 0 01 Cooling capacity Medium ethanol C kW 20 0 20 30 0 68 0 5 0 32 0 04 20 0 20 30 40 0 9 0 8 0 5 0 32 0 16 Refrigerant R404A R404A or R507 Overall dimensions WxDxH cm 37x46x69 42x49x70 Bath opening WxL cm 23x...

Page 11: ...INT EXT C 3 9 Temperature control PID3 cascade temperatur control Heater wattage at 230 V kW 2 0 Heater wattage at 115 V kW 1 0 Electronically adj pump capacity stages 1 4 Flow rate at 0 bar l min 11 16 Pressure max at 0 liter bar 0 22 0 45 Electrical connections External alarm device Vdc mA 24 0 max 25 Computer interface RS232 External temperature sensor Pt100 Ambient temperature C 5 40 11 www co...

Page 12: ...ge optical audible permanent Warning message optical audible in intervals Environmental conditions according to IEC 61 010 1 Use only 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 Protection class accor...

Page 13: ...pitting corrosion in heat exchangers made of stainless steel Due to their corrosive characteristics distilled water and deionized water are unsuitable and will cause corrosion of the bath Due to its corrosive characteristics sea water is not suitable Due to its microbiological bacterial components which settle in the heat exchanger untreated and unpurified river water and water from cooling towers...

Page 14: ...rous 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 ...

Page 15: ...rain the bath fluid while it is hot Check the temperature of the bath fluid prior to draining e g by switching the unit on for a short moment Use suitable connecting tubing Avoid sharp bends in the tubing and maintain a sufficient distance from surrounding walls Make sure that the tubing is securely attached Regularly check the tubing for material defects e g for cracks Never operate damaged or le...

Page 16: ...angerous steams or gases arise when heating Is an exhaust needed when working What to do when a dangerous substance was spilled on or in the unit Before starting to work obtain information concerning the substance and determine the method of decontamination Notice Check the safety installations at least twice a year Excess temperature protection according to IEC 61010 2 010 With a screwdriver turn...

Page 17: ...play to standard display the key is locked for a short time The above graph front side shows an example for standard display 3 1 Key Return Stop pump heater 2 Return in the menu one menu level down Correction function for parameters or values prior to OK immediately back to standard display icon for keep key pressed down 4 1 Key Up Down temperature increase decrease setpoint Push key quickly for s...

Page 18: ...ors in the header Heating Cooling Alarm Remote control 12 Control indicators in the header Temperature indication Internal or External actual value Temperature indication in C F not possible on this unit 13 Display of set pump pressure stage Four stages can be set via the key under MENU PUMP 14 Adjustable excess temperature protection according to IEC 61010 2 010 15 Socket control cable of JULABO ...

Page 19: ...m 20a 20b Mains power cable with plug for circulator Mains power cable with plug cooling machine 21 Built in mains outlet for connection of circulator 22 Drain tap 23 Drain port 24a 24b Pump connector feed Pump connector return 25 Venting grid removable 26 Cooling water OUTLET and INLET 27 Selector dial for cooling machine only F25 F26 F34 Position 1 for operation with ME circulator 19 www com inf...

Page 20: ... machine 19 in position 1 for operation with ME circulator only F25 F26 F34 Keep at least 20 cm of open space on the front and rear venting grid 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 fl...

Page 21: ...th liquid Unsuitable bath fluids are fluids which e g are highly viscous much higher than recommended at the respective working temperature have a low viscosity and have creep characteristics have corrosive characteristics or tend to crack No liability for use of other bath fluids 5 3 Temperature application to external systems Caution Securely attach all tubing to prevent slipping If the circulat...

Page 22: ...m 8 930 221 1 0 m 8 930 222 1 5 m 8 930 223 3 0 m Metal tubing insulated M16x1 50 C to 200 C Adapter for metal tubing M10x1 on M16x1 Order No 8 970 444 Warning Tubing At high working temperatures the tubing used for temperature application and cooling water supply represents a danger source A damaged tubing line may cause hot bath fluid to be pumped out within a short time This may result in Burni...

Page 23: ... care that no liquid enters the interior of the circulator Recommended maximum filling level with water as bath fluid 30 mm below the tank rim Recommended maximum filling level with bath oils 40 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 The circulator provides an early warning system for low level that may...

Page 24: ...the identification plate Deviations of 10 are permissible Connect the circulator with mains power cable 20a to the mains outlet 21 Connect the control cable 15a between the connectors 15 15b Connect the refrigerated circulator with mains power cable 20b to the mains socket 6 2 Switching on Start Stop 6 2 1 Switching on the circulator Switching on Turn on the mains power switch 1 The unit performs ...

Page 25: ...he circulator automatically switches the cooling machine off and on It is switched off if the actual working temperature is increased by 30 C cooling is not required the heater operates at full power 800 W for longer than 5 minutes It is switched on if cooling is necessary for maintaining the bath temperature After switch off the cooling machine automatically switches on only after a delay of 5 mi...

Page 26: ...ntrol Example Adjustment modification of the pre setting of SETPOINT 3 1 Press the key 2 Select SETPOINT 3 by pressing the key Example SETPNT 3 70 00 C 3 Keep the key pressed until the integer digits flash example 70 4 Adjust value by pressing the key and the key to 85 00 C and confirm by pressing the key The decimal digits flash and can be adjusted if desired Confirm once more by pressing the key...

Page 27: ...hes to the active SETPOINT example on the left SETPNT 1 25 00 C The integer digits flash example 25 2 By pressing the keys and the value is changed to 50 00 C and is confirmed by pressing the key The decimal digits flash and can be adjusted if desired Confirm once more by pressing the key The circulator uses the new working temperature value for temperature control The temperatures can be set in s...

Page 28: ...isclaim all liability for damage caused by wrong settings This excess temperature protection is independent of the control circuit When activated heater and circulating pump are completely shut down The alarm is indicated by optical and audible signals continuous tone and the error message ALARM CODE 14 appears on the VFD COMFORT DISPLAY together with the ticker EXCESS TEMPERATURE PROTECTOR ALARM ...

Page 29: ...ccording to IEC 61010 2 010 is triggered a complete all pole shutdown of heater and circulating pump is effected A continuous alarm sounds and together with the ticker LOW LEVEL ALARM FILL MEDIUM a message appears on the VFD COMFORT DISPLAY Turn off the unit with the mains switch refill bath fluid and turn the unit on again 3 Float 4 Circulating pump 5 Heater Warning When adding bath fluid always ...

Page 30: ...ng the key 3 Press the key and the set parameter will flash Example WARNING 4 Change the parameter by pressing the key and confirm by pressing the key or press the key if the parameter is to retained Setting WARNING A mere warning function with optical and audible warning signal interval tone A message appears on the VFD COMFORT DISPLAY or OVERTMP SUBTEMP Setting ALARM Temperature limit with shutd...

Page 31: ... 2 1 Press the key 2 By pressing the or key select the menu OVERTMP or SUBTEMP 3 Press the key The integer digits flash 4 Change the values to 87 C and or 83 C by pressing the and key and confirm with the key The decimal digits flash and can be adjusted if desired Confirm once more by pressing the key See above examples The warning functions are only activated if the actual bath temperature remain...

Page 32: ...ter XP TN TV INTERNAL Control parameter XP TN TV XPU EXTERNAL Adjustable interface parameters Page 45 BAUD RATE PARITY HANDSHAKE ATC Absolute Temperature Calibration Page 46 Sensor calibration INTERNAL SENSOR Sensor calibration EXTERNAL SENSOR 3 point calibration Limitations of temperature and capacity Page 52 SETPOINT MAX MIN Maximum and minimum setpoint HEAT MAX Set maximum heating COOLING MAX S...

Page 33: ...setpoint GO Time of start NOW TIMER Level 2 Parameter level Press the key if a parameter is to be retained Correction function for parameters or values prior to OK Set program step with and example STEP 1 Set number of runs with and example 1 run or Set desired parameters with and STDBY SETPNT Parameter STanDBY the circulator switches to OFF Parameter SETPoiNT the circulator constantly keeps the t...

Page 34: ...dicated Check the correct setting of the internal real time clock if required see MENU CONFIG The started program A B C1 After the start the program will indicate the currently calculated setpoint in line 2 S XX XX The value increases within the time period TSLICE until the target temperature SETPNT of the section is reached If the time period in a section is set to 0 the next section will not beg...

Page 35: ... 9 2 MENU PROGRAM creation administration Menu level 1 1 program 10 sections The integrated programmer permits fast and easy programming of setpoint temperature sequences This temperature sequence is called program A program is composed of individual sections STEP The sections are defined by duration TSLICE and target temperature The target temperature is the setpoint SETPNT which is achieved at t...

Page 36: ...Level 2 Level 3 Parameter level STEP 1 10 Set program step with and Example EDIT STEP 01 For STEP 01 the values for SETPOINT 01 and TSLICE 01 are set one after the other values within working temp range Integer digits flash set by pressing Decimal digits flash set by pressing time slice Set duration by pressing and Delete program Program steps can be deleted individually or entirely STEP 01 02 10 ...

Page 37: ... if the parameter is to be retained 1 2 The pump flow is pre adjusted in the factory and can be modified to suit user requirements Using a screwdriver turn the screw 1 anti clockwise by 360 Using flat pliers turn the marking of the slide 2 to the desired position Tighten the screw Examples Internal applications in the bath A 100 internal bath circulation for large bath tanks B Reduced internal bat...

Page 38: ...ontrol by pressing and Control display in the topline for Remote For remote control refer to 59 Connect RS232 with PC or Switch on and off autostart by pressing and AUTOSTART on on AUTOSTART off off See WARNING page 39 or Switch on and off OFFMODE by pressing and PUMP ON continuous operation of circulating pump PUMP OFF circulating pump is linked to Start Stop Level 3 Parameter level Hours flash s...

Page 39: ... of both interfaces circulator and PC and make sure they match refer to 12 1 Setup for remote control page 59 9 4 2 AUTOSTART Warning For supervised or unsupervised operation with the AUTOSTART function avoid any hazardous situation to persons or property Take care to fully observe the safety and warning functions of the circulator Factory settings OFF Notice The circulator has been configured and...

Page 40: ... in a sub menu The pump motor will be shutdown in case of alarm anyhow 9 4 4 Setting of clock and date The internal real time clock allows starting a program any time The clock is set to the local mean time MEZ at the factory If the unit is operated in a different time zone the clock can be adjusted in this menu Change summer winter time in this menu 9 4 5 RESET Factory settings A Reset will retur...

Page 41: ... to OK Level 2 Parameter level or Switchover of control type by pressing and The control type can be adjusted in the OFF mode only Depending on the adjustment only the active parameters are displayed C TYPE INTERNAL or The parameter flashes switch by pressing and This parameter affects the temperature sequence in case of internal control 0 1 99 9 The parameter flashes set by pressing 3 9999 The pa...

Page 42: ...to OFF See page 46 Attention Place the external sensor into the temperature controlled medium and securely fix the sensor Pt100 M R Accessory Pt100 external sensor Order No Description Material Cable 8981003 200x6 mm Ø stainless steel 1 5 m 8981005 200x6 mm Ø glass 1 5 m 8981006 20x2 mm Ø stainless steel 1 5 m 8981010 300x6 mm Ø stainless steel 1 5 m 8981015 300x6 mm Ø stainless steel PTFE coated ...

Page 43: ...hooting Setpoint change The temperature increases at the same rate the target temperature is achieved without overshooting With both settings constant temperature is achieved after approximately the same time 9 5 3 Control parameters XPU XP TN TV EXTERNAL Setting range 0 1 99 9 Setting range 3 9999 Setting range 0 999 In most cases the control parameters preset in the factors are adequate for achi...

Page 44: ...sive reset times will result in unnecessary prolongation of compensation of the control difference Setting range 0 999 Lead time Tv Differential component The differential component reduces the transient time An insufficient lead time will prolong the time required for compensation of disturbance effects and cause high overshooting during run up An excessive lead time could cause instabilities osc...

Page 45: ...ettings 4800 Baud even hardware handshake Level 2 Parameter level Press the key if a parameter is to be retained The parameter flashes switch by pressing and The parameter flashes switch by pressing and even Data bits 7 Stop bits 1 odd Data bits 7 Stop bits 1 no Data bits 8 Stop bits 1 The parameter flashes switch by pressing and Xon Xoff protocol Software handshake Protocol RTS CTS Hardware hands...

Page 46: ...n in steady state the bath temperature at the location of the temperature sensor CT is determined at the respective adjusted working temperature This value is then set on the circulator in the menu ATCalibration under menu item CTEMP X This can be a 1 point 2 point or 3 point calibration C TT M B INT T C TT M B EXT T Pt100 ext M Temperature measuring instrument with temperature sensor B Bath tank ...

Page 47: ...eturn to standard operation after calibration The parameter flashes switch by pressing and A 1 point 2 point or 3 point calibration can be carried out The selected calibration is indicated on level 2 by 1 or 2 or 3 The value TMPVAL is only indicated In addition the measured temperature value CALVAL X is saved during the next step Integer digits flash set by pressing Decimal digits flash set by pre...

Page 48: ...nsor connected to the socket ext Pt100 The circulator is able to save both parameter sets However only the one which has been set under menu item ATC SENSOR is displayed 9 7 2 ATC STATUS YES NO In the second submenu the ATC function for the temperature sensor selected above is activated YES or deactivated NO YES factory setting The controller of the circulator uses the original curve of the temper...

Page 49: ...airs of values indicated on the LCD DIALOG DISPLAY Pairs of values TMPVAL X Circulator temperature 1 or 2 or 3 actual value TT The actual temperature of the bath is simultaneously saved with the calibration value CALVAL and can be indicated for control purposes value does not flash CALVAL X Calibration temperature 1 or 2 or 3 actual value CT The calibration value is determined with a temperature m...

Page 50: ...integer digits flash Example 25 Change the value to 80 00 C by pressing the keys and and confirm by pressing the key The decimal digits flash Confirm once more by pressing the key The bath is heated up Wait for approx 5 minutes until the temperature is constant 3 Reading of temperature measuring device Read the value of measuring point CT on the device and enter under menu item CALVAL X by using t...

Page 51: ...70 The first of 3 points is calibrated Return to 2 Set working temperature value SETPNT 120 00 C The value is only indicated Integer digits flash set by pressing 119 Decimal digits flash set by pressing 50 The second of 3 points is calibrated Return to 2 set working temperature value SETPNT 160 00 C The value is only indicated Integer digits flash set by pressing 159 Decimal digits flash set by pr...

Page 52: ...t by pressing Decimal digits flash set by pressing 0 100 The value flashes set by pressing 0 100 The value flashes set by pressing mit In case of external control these menu items are additionally indicated Integer digits flash set by pressing Decimal digits flash set by pressing Integer digits flash set by pressing Decimal digits flash set by pressing The value flashes set by pressing The value f...

Page 53: ...MAX 0 to 100 in 1 steps 9 8 2 Limits for external control SAFETMP INTERN MAX MIN Restriction for the temperature range of the internal bath Setting range 94 9 C 200 0 C The limits INT MAX and INT MIN are only active in external control INT MAX and INT MIN determine fixed limits for the temperature within the internal bath The temperature controller cannot exceed these limits even if it would be ne...

Page 54: ...nal system to any maximum value for the heat up and cool down phase During the heat up phase this difference value is always added to the actual external temperature During the cool down phase the difference value is subtracted 25 50 10 20 30 40 50 60 10 20 30 40 50 60 10 min 75 100 150 200 C t System extern Bad intern BandOben BandUnten Sense of a band limitation Protection of objects and samples...

Page 55: ...evel of bath fluid caused by pumping out Replace the tubing and refill bath liquid The float is defect e g transport damage Repair by authorized JULABO service personnel Error message with ticker REFRIGERATOR ALARM CHECK CONNECTION During the self test after switch on a short circuit is detected between pin 2 and pin 4 of the control line or the control line was disconnected during operation Recon...

Page 56: ...ge with ticker CLEAN CONDENSER OR CHECK COOLING WATER Insufficient cooling of condenser Clean the air cooled condenser Check the flow and the temperature of the cooling water of a water cooled condenser Error message with ticker COMPRESSOR FAILURE CHECK REFRIGERATOR Stage 1 of the compressors does not work Automatic restart after short cool down message E 21 goes off Stage 2 of the compressor does...

Page 57: ...on recurring automatic change of the configuration In this case please call the JULABO Technical Service or an authorized dealer 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 15 A M P Mains circuit breakers resettable 15 A Cooling machine Fuse T 10 0 ...

Page 58: ...al 1 I 2 U 3 U 4 I The shield of the connecting cable is electrically connected to the plug housing and the sensor tube RS232 serial interface This port can be used to connect a computer with an RS232 cable for remote control of the circulator 9 6 5 1 RS232C Pin assignments RS232 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 P...

Page 59: ...g pulse 12 Remote control 12 1 Setup for remote control 9 6 5 1 RS232C 1 Check the interface parameters for both interfaces on circulator and PC and make sure they match Serial interface refer to page 45 2 In the menu MENU CONFIG set the menu item REMOTE to ON 3 Connect both units with an interface cable Like all parameters which can be entered through the keypad interface parameters are stored in...

Page 60: ... A transfer sequence consists of command space Hex 20 parameter decimal separation with a period end of file Hex 0D The commands are divided into in and out commands in commands retrieve parameters out commands set parameters Important times for a command transmission To ensure a safe data transfer the time gap between two commands should be at least 250 ms The circulator automatically responds to...

Page 61: ...ng limit SUBTMP out_sp_07 x Set the pump pressure stage 1 4 out_par_04 x x CoSpeed 0 5 0 Band limit during external control Setting the maximum difference between the temperatures in the internal bath and external system out_par_06 xxx Xp control parameter of the internal controller 0 1 99 9 out_par_07 xxx Tn control parameter of the internal controller 3 9999 out_par_08 xxx Tv control parameter o...

Page 62: ... of the external bath in_par_02 none Si Internal slope in_par_03 none Ti Time constant of the internal bath in_par_04 none CoSpeed Band limit max difference between the temperatures in the internal bath and external system in_par_05 none Factor pk ph0 Ratio of max cooling capacity versus max heating capacity in_par_06 none Xp control parameter of the internal controller in_par_07 none Tn control p...

Page 63: ... 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 12 5 Error messages Error messages Description 01 LOW LEVEL ALARM Low liquid level alarm 02 REFRIGERATOR ALARM Control cable of the refrigerated circulator or MVS solenoid valve cont...

Page 64: ...t connected 20 WARNING CLEAN CONDENSOR OR CHECK COOLING WATER CIRCUIT OF REFRIGERATOR Cooling of the condenser is affected Clean air cooled condenser Check the flow rate and cooling water temperature on water cooled condenser 21 WARNING COMPRESSOR STAGE 1 DOES NOT WORK Compressor stage 1 does not work 22 WARNING COMPRESSOR STAGE 2 DOES NOT WORK Compressor stage 2 does not work 23 WARNING HIGH TEMP...

Page 65: ...ter using an interface cable Start the EasyBlackBox program The program asks for the port used COM1 and the baud rate of the unit You do not have this information on hand Simply try it out The program continues to send the request until the correct settings are made Data is read out and shown on the monitor divided in the sections Einstellungen Settings Alarmspeicher Alarms stored Blackbox see exa...

Page 66: ...a wet cloth and low surface tension water 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 Repairs Before asking for a service technician or returning a JULABO instrument for repair p...

Page 67: ...ive remedy under the Initial Warranty is strictly limited in Seller s sole discretion to either i repairing defective parts or ii replacing defective parts In either case the warranty period for the product receiving a repaired or replaced part pursuant to the terms of the Initial Warranty shall not be extended All repairs or replacements performed by Seller pursuant to these Warranty Provisions s...

Page 68: ...by the substantive laws of the Commonwealth of Pennsylvania without regard to its principles of conflicts of law 8 Waiver Any failure of the part of Seller to insist on strict compliance with the Warranty Provisions shall no way constitute a waiver of such right No claim or rights arising out of a breach of the Warranty Provisions by Buyer may be discharged in whole or in part by a waiver of the c...

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