Operating manual FT902
Contents
1. v VV V VY Appropriate operation Only qualified personnel is authorized to configure install maintain or repair the circulator Persons who operate the circulator must be trained in the particular tasks by qualified personnel The summarized user guidance short manual and the specification table with information on individual parameters are sufficient for this Use The bath can be filled with flammable materials Fire hazard There might be chemical dangers depending on the bath medium used Observe all warnings for the used materials bath fluids and the respective instructions safety data sheets Insufficient ventilation may result in the formation of explosive mixtures Only use the unit in well ventilated areas Only use recommended materials bath fluids Only use non acid and non corroding materials Operator responsibility Safety instructions When using hazardous materials or materials that could become hazardous the operator must affix the enclosed safety labels 1 2 to the front of the unit so they are highly visible 1 Warning label WOO Colors yellow black Danger area Attention Observe instructions operating manual safety data sheet 2 Mandatory label M018 Colors blue white Carefully read the user information prior to beginning operation Scope EU or 2 Semi S1 0701 Table A1 2 9 Carefully read the user information prior to beginning operation Scope USA NAFTA2. curve resembles a two point control on off Response time and amplitude of the temperature curve are depending on the volume of the bath fluid amongst others According to manufacturer s instructions there is an off period of minimum 4 minutes to protect the compressor The immersion probe as part of the cooling circuit should not be exposed to bath temperatures above the working temperature of the immersion cooler This would cause damage to the compressor Do not immerse a frosted immersion probe into hot bath oil DANGER OF INJURY 7 Troubleshooting guide Error messages A Whenever the microprocessor electronics registers a failure a complete shutdown of the compressor is performed The alarm light Nr illuminates and a continuous signal tone sounds The LED temperature display indicates the cause for the alarm in form of a code Press enter ral quit the audible signal 15 A M P 20 e Cable of the working temperature sensor interrupted or short circuited e The temperature inside the bath is outside the working temperature range After eliminating the malfunction press the mains power switch off and on again to cancel the alarm state If the unit cannot be returned to operation contact an authorized JULABO service station Mains circuit breakers resettable FT402 10A FT902 15A 8 Immersion Coolers Electrical connection Use shielded cables only The shield of
3. the line and must always be easily accessible Place the unit on an even surface on a base made of nonflammable material Do not stay in the area below the unit Make sure you read and understand all instructions and safety precautions listed in this manual before installing or operating your unit Do not touch the immersion probe if it is frosted Do not bend the tube connection of the immersion probe Keep the air intake and exhaust grids free of obstructions Maintain a sufficient distance from all surrounding surfaces Do not move the unit from the position where it was set up during operation 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 Always turn off the unit and disconnect the mains cable from the power source before cleaning the unit Transport the unit with care Sudden jolts or drops may cause damage in the interior of the unit Observe all warning labels Never remove warning labels Never operate units with damaged mains power cables Repairs are to be carried out only by qualified service personnel There are thermal dangers Touchable parts of the probe can be very cold Therefore exercise particular caution when touching these parts Use gloves 5 Preparations 5 1 Installation Immersion Coolers Place the unit on an even surface on a pad made of non flammable material The pla
4. English OPERATING MANUAL Immersion Coolers FT402 FT902 Julabo THE TEMPERATURE CONTROL COMPANY JULABO GmbH 77960 Seelbach Germany Tel 49 0 7823 51 0 Fax 49 0 7823 24 91 info julabo de www julabo de 1 951 4620 V2 06 13 19514620 V2 doc 26 07 13 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 immersion coolers For optimal utilization of all functions we recommend that you thoroughly study this manual prior to beginning operation The JULABO Quality Management System oe T vaheinnae Temperature control devices for research and industry are developed A CERT produced and distributed according to the requirements of ISO 9001 Ge 150 12001 and ISO 14001 Certificate Registration No 01 100044846 Unpacking and inspecting Unpack the immersion cooler 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 fully for us to guarantee our full support of your claim for protecting against loss from concealed damage The form required for filing such a claim will be provided by the carrier Printed in Germany Changes without prior notif
5. OSTART function automatic start mode may be activated thus allowing the unit to be started directly by pressing the mains power switch or using a timer For supervised or unsupervised operation with the AUTOSTART function avoid any hazardous situation to persons or property The instrument no longer conforms to N A M U R recommendations Immersion Coolers 6 4 Setting the temperatures This function is used to set the lowest desired temperature value Setting can be carried out in the start stop condition 4 Press one of the keys W A 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 W to set a lower value Keep the keys depressed for the value to change fast 3 Press enter to store the value 6 5 Temperature control The immersion cooler can only control the temperature if both the Pt100 sensor and immersion probe are immersed into the same bath fluid Application Cooling a fluid in a vessel If the actual temperature falls below the setpoint temperature the compressor is switched off on FT902 only one of the two compressors The cooling control indicator IN goes out If cooling is required again the compressor switches on automatically Example Setpoint temperature 10 C 19 Troubleshooting guide Error messages The temperature
6. Particular care and attention is necessary because of the wide operating range There are thermal dangers Touchable parts of the probe can be very cold The user must attach the enclosed safety labels to the unit so they are easily visible Safety label including warning label W017 Colors yellow black e Attention Do not touch cold probe 40 C 90 C 2 1 Disposal The product may be used with oil as bath fluid These oils fully or partially consist of mineral oil or synthetic oil For disposal follow the instructions in the material safety data sheets This unit contains the refrigerants R134a R404A and R 23 which at this time are not considered harmful to the ozone layer However over the long operating period of the unit disposal rules may change Therefore only qualified personnel should handle the disposal Valid in EU countries See the current official journal of the European Union WEEE directive Directive of the European Parliament and of the Council on waste electrical and electronic equipment WEEE This directive requires electrical and electronic equipment marked with a crossed out trash can to be disposed of separately in an environmentally GE friendly manner Contact an authorized waste management company in your country Disposal with household waste unsorted waste or similar collections of municipal waste is not permitted Immersion Coolers 2 2 EC Conformity The produ
7. SM device classified in Group 1 using high frequency for internal purposes Class A industrial and commercial range Immersion Coolers Operating instructions 3 Operating controls and functional elements FT402 Front view Rear view wea ey DOOOOO00 1 Mains power switch illuminated l on O off 2 wa Edit keys increase decrease setting 3 Enter key store 4 Fer LED temperature display 5 Control indicator Heating without function Control indicator Cooling 7 A Control indicator Alarm 11 Operating controls and functional elements FT902 Front view 10 11 12 13 14 15 vZ Rear view 0000000 D OOOOOOOOOOOOOOOoOooOoOoOoooo Ll OOOOOOO0Ooo0 External Pt100 sensor connector Included with each unit Order No 8 981 003 Pt100 sensor 200x6 mm dia stainless steel Clamp for immersion probe Immersion probe Mains power cable with plug Mains circuit breakers resettable FT402 10A FT902 15A Carrying handle Venting grid removable only FT902 Castor with brake at the front Castor without brake at the back Imm
8. c non automatic start mode 2244444444nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnn 18 6 4 Setting the temperallieee en er hk take ie ie hh BAe ae ie ele te hie 19 6 5 PEMperarure Controls 19 7 Troubleshooting guide Error messages uuuuu424424440nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnn 20 8 Electrical connection isso socecdeecc cessed yess ot cenwedseveness ee ee sessed paces oereenseeteennyte 21 9 Cleaning repairing the Units snicasaiseetceceiieteet eels eats 22 Operating manual Operating manual 1 Intended use JULABO immersion coolers have been designed for temperature application to specific fluids in a bath tank For example Dewar vessels beakers or other containers in conjunction with heating circulators for continuous countercooling or for dry ice substitution JULABO immersion coolers are not suitable for direct temperature control of foods semi luxury foods and tobacco or pharmaceutical and medical products Direct temperature control means unprotected contact of the object with the bath medium bath fluid 1 1 Description VI The immersion coolers are operated via the keypad The implemented q g9 microprocessor technology allows to set and to store the setpoint that can be indicated on the LED temperature display VI The PID temperature control adapts the cooling supply to the thermal requirements of the bath M Electrical connection Connection for Pt100 external sensor for tempe
9. ce of installation should 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 gt For 0 25 kg of refrigerant R134a 1 m of space is required gt For 0 52 kg of refrigerant R404A 1 m of space is required gt For 0 68 kg of refrigerant R23 1 m of space is required The instrument should be set up at a frost proof and dry location The ambient temperature must not exceed 35 C Press down the castor levers on model FT902 Keep at least 20 cm of open space on the front and rear venting grids 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 compressor 5 2 Immersion probe Sensor connection Pt100 A Avoid touching the immersion probe if it is frosted DANGER OF INJURY Use gloves z 40 C 90 C Switch the unit on only if the probe is immersed into the bath fluid 15 Preparations The immersion coolers are provide
10. cts described in the operating instructions conform to the requirements of the following European guidelines Directive of the European Parliament and of the Council 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 Julinbo JULABO GmbH Eisenbahnstr 45 77960 Seelbach Germany 2 3 Warranty conditions JULABO GmbH warrants its products against defects in material or in workmanship when used under appropriate conditions and in accordance with appropriate operating instructions for a period of ONE YEAR Extension of the warranty period free of charge 2 Years Warranty 1Plus Warranty Registration free of charge on www julabo de With the 1PLUS warranty the user receives a free of charge extension to the warranty of up to 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 o
11. d with a Pt100 sensor 200x6 mm dia stainless steel Order No 8 981 003 e Connect the Pt100 sensor to the connector Pt100 Pt100 e To prevent the immersion probe A from icing it should be completely immersed into the bath liquid B ext Pt100 FT902 FT402 ext Pt100 minimum Important Place the external sensor S into the bath medium and securely fix the sensor FT902 The diameter of the bent probe should not be less than 120 mm Accessories Order No Description 8981005 Pt100 sensor 200x6 mm dia glass 1 5 m cable 8981010 Pti00 F hler 300x6 mm dia stainless steel 1 5 m cable 8970400 Clamp for cooler probe FT402 Immersion Coolers 6 Operating procedures 6 1 Power connection A e Only connect the unit to a power socket with earthing contact PE protective earth e The power supply plug serves as safe disconnecting device from the line and must be always easily accessible e Never operate equipment with damaged mains power cables e Regularly check the mains power cables for material defects e g for cracks We disclaim all liability for damage caused by incorrect line voltages Make sure that the line voltage and frequency match the supply voltage specified on the type plate Deviations of 10 are permissible 6 2 Switching on Start Stop e Switching on The immersion cooler is turned on and off with the mains switch 1 The unit performs a self test All segmen
12. e Switch on the unit Immersion Coolers Repairs Before asking for a service technician or returning a JULABO instrument for repair please contact an authorized JULABO service station When returning the unit e Clean the unit in order to avoid any harm to the service personnel e Attach a short fault description e During transport the unit has to stand upright Mark the packing correspondingly e When returning a unit take care of careful and adequate packing e 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 23 Cleaning repairing the unit 24
13. ersion Coolers 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 Describes a possibly highly dangerous situation If these instructions are not followed serious injury and danger to life could result 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 gt Pe gt 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 S Note Draws attention to something special Important Indicates usage tips and other useful information 13 Safety notes for the user 4 3 Safety instructions Follow the safety instructions to avoid personal injury and property damage Also the valid safety instructions for workplaces must be followed Only connect the unit to a power socket with an earthing contact PE A 14 protective earth The power supply plug serves as a safe disconnecting device from
14. ese materials and the circulator These persons must be fully aware of possible risks If you have any questions concerning the operation of your unit or the information in this manual please contact us Contact JULABO GmbH Z 49 0 7823 51 0 EisenbahnstraBe 45 49 0 7823 24 91 77960 Seelbach Germany 7 info julabo de www julabo de Safety instructions for the operator gt Avoid strikes to the housing vibrations damage to the operating element panel keypad display and contamination gt 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 gt Make sure that the mains power supply has low impedance to avoid any negative effects on the instruments being operated on the same mains gt 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 affect other devices with components sensitive to magnetic fields e g monitors We recommend maintaining a minimum distance of 1 m Permissible ambient temperature max 40 C min 5 C Permissible relative humidity 50 40 C Do not store the unit in an aggressive atmosphere Protect the unit from contamination Do not expose the unit to sunlight
15. ication reserved Important keep operating manual for future use Immersion Coolers TABLE OF CONTENTS Op rating Manllalr 54er eat a a a a aa a aa tens De see aeaa ae 4 Hee intended Usb minenennppnanon an a a a a E E 4 lls Descriptions iis ee ate at A eet ete E E aeea 4 2 Operator responsibility Safety instructions u2444444400nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 4 2 1 Disposaletssns ra en canton eh ala a elt ns elt eal ee at 6 2 2 ES COMM OMY see sec eet erences ensues sieve gas o ces r aa E a ees raa E E aaa aO E E geese NEEE AESA 7 2 3 Warranty conditions ccscctctetstct te tiat ttt ta aaa 7 2 4 Technical specification S n messi meai eiie see 8 Operating ISIMICHIOING eean a a a a eine 11 3 Operating controls and functional elements cccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeneeeeeeeeeeeeneees 11 4 Safety notes for the USGI ois scsoiec pens cache sa Atos Roraes ince cate ray to ct before eh saben enced 13 4 1 Explanation of safety notes see erkenne 13 4 2 Explanation of other notes tesa 13 43 yal OU INGIMUCHONG mu nennen aes vacscmettens 14 52 Preparations oral 15 Dyed unstalatiOn gee m ates cas eee cine a E ee ewes eae caste ee 15 5 2 Immersion probe Sensor connection Pt1O0 uuuusssssnsssnnnnnnnnnnnnnnnnnnnnnnnnnn 15 6 Operating procedures a eh ine da ducadlendidearandde 17 6 1 ROWSE COMMOCTO een nennen A 17 6 2 Switching on Start Stop u een ee ae une 17 6 3 Automati
16. r workmanship parts will be repaired or replaced free of charge or a new replacement unit will be supplied Any other compensation claims are excluded from this guarantee Operator responsibility Safety instructions 2 4 Technical specifications Immersion cooler Working temperature range Temperature stability Temperature selection Temperature indication Resolution Temperature control Cooling capacity Medium ethanol Cooling compressor Refrigerant 230 V 50 Hz 115 V 60 Hz Electrical connections Pt100 external sensor Overall dimensions WxDxH Immersion probe Lxdia Immersion probe flexible Lxdia Connection tubing L Noise level distance 1 m Weight Ambient temperature Mains power connection 230 V 50 Hz Current input at 230 V Mains power connection 115 V 60 Hz Current input at 115 V FT402 40 30 0 5 digital LED 0 1 PID1 20 10 20 40 0 45 0 36 0 14 0 03 1 stage R404A R134a Pt100 20x30x43 0 207 253 50 4 90 127 60 4 All measurements have been carried out at rated voltage and frequency ambient temperature 20 C Technical changes without prior notification reserved Immersion cooler Working temperature range C Temperature stability C Temperature selection Temperature indication Resolution C Temperature control Cooling capacity C Medium ethanol kW Cooling compressor Refrigerant 230 V 50 Hz 115 V 60 Hz Electrical connection
17. rature measurement and control PID1 M Model FT402 is provided with a handle for portable use Model FT902 is equipped with four castors Two of the castors include locking levers that should be pressed down after setting up the unit to prevent it from moving Pt100 MH The immersion probe is connected to the instrument with a flexible specially insulated tube On model FT902 the immersion probe is also flexible and may be adjusted precisely to different positions within the vessel BIBIG 2 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 The operator is responsible for the qualification of the personnel operating the units gt The personnel operating the units should be regularly instructed about the dangers involved with their job activities as well as measures to avert these dangers gt Make sure all persons tasked with operating installing and maintaining the unit have read and understand the safety information and operating instructions Immersion Coolers gt When using hazardous materials or materials that could become hazardous the circulator may be operated only by persons who are absolutely familiar with th
18. s Pt100 external sensor Overall dimensions WxDxH cm Immersion probe Lxdia cm Immersion probe flexible Lxdia cm Connection tubing L cm Noise level distance 1 m dBA Weight kg Ambient temperature C Mains power connection 230 V 50 60 Hz V Hz Current input at230 V A Mains power connection 115 V 60 Hz V Hz Current input at115V A Immersion Coolers FT902 digital LED 0 1 PID1 20 10 20 40 80 0 27 0 27 0 24 0 2 0 07 2 stage R404A R23 R404A R23 Pt100 38x55x60 9 88 207 253 50 60 5 90 127 60 7 All measurements have been carried out at rated voltage and frequency Technical changes without prior notification reserved ambient temperature 20 C Operator responsibility Safety instructions Safety installations according to IEC 61010 2 010 Alarm message optical audible permanent Environmental conditions according to IEC 61 010 1 Use indoors only Altitude up to 2000 m normal zero Ambient temperature see Technical specifications Humidity Max relative humidity 80 for temperatures up to 31 C linear decrease down to 50 relative humidity at a temperature of 40 C Max mains voltage fluctuations of 10 are permissible Protection class according to IEC 60 529 IP21 The unit corresponds to Class Overvoltage category II Pollution degree 2 Caution The unit is not for use in explosive environment EMC requirements according to EN 61326 1 This unit is an I
19. the connecting cable is electrically connected to the plug housing Connector for external Pt100 sensor Pin assignment Pin Signal 1 I 2 U 3 U 4 The shield of the connecting cable is electrically connected to the plug housing and the sensor tube GE 7 Look on soldering side 21 Cleaning repairing the unit 9 22 Cleaning repairing the unit A Before cleaning the unit disconnect the power plug from the mains socket Always turn off the unit and disconnect the mains cable from the power source before performing any service or maintenance procedures Service and repair work may be performed only by authorized electricians Prevent humidity from entering into the immersion cooler The immersion cooler is designed for continuous operation under normal conditions Periodic maintenance is not required e Clean the outside of the unit using a wet cloth and low surface tension water Regularly check the condensor for dirt contamination Clean the ribbed condensor because dust and dirt will reduce cooling performance of the unit Cleaning the Cooling Compressor e Switch off the unit disconnect mains power cable e Model FT402 Remove the hood e Model FT902 The ventilation grid is detached by unscrewing the four mouting screws e Clean the ribbed condensor with a vacuum cleaner e Replace the hood or the ventilation grid
20. ts of the 4 digit LED temperature DISPLAY and all indicator lights will illuminate as illustrated on the left Then the software version example 11 0 appears The display OFF indicates the unit is ready to operate standby mode Start Stop e Press enter for about 4 seconds Start The LED temperature DISPLAY indicates the actual bath temperature The cooling control indicator sa signals the cooling condition on off Stop The LED temperature DISPLAY indicates OFF e Switching off Turn the unit off with the mains power switch 17 Operating procedures 6 3 Automatic non automatic start mode Keep depressed enter and N al turn on the immersion cooler with the mains power switch For a short while the LED temperature DISPLAY indicates the effective start mode amp AUTOSTART on MAGE gt AUTOSTART off NOTE The immersion cooler has been configured and delivered 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 on the LED temperature display A complete shutdown of the main functional elements is effected simultaneously The values set on the immersion cooler remain stored and the unit is returned to operation by pressing the start stop key Should such a safety standard not be required the AUT
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