English Operating manual Cryo-Compact Circulators The Economy-Series CF30 CF40 JULABO GmbH 77960 Seelbach / Germany Tel. +49 (0) 7823 / 51-0 Fax +49 (0) 7823 / 24 91 info@julabo.de www.julabo.de 1.951.4866-V2 19514866-V2.doc 06/13 26.07.
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 Cryo-Compact Circulators. For optimal utilization of all functions, we recommend that you thoroughly study this manual prior to beginning operation.
Cryo-Compact Circulator TABLE OF CONTENTS Operating manual ..................................................................................................... 4 1. Intended use ....................................................................................................... 4 1.1. Description ..................................................................................................... 4 2. Operator responsibility – Safety instructions ......................................................
Operating manual Operating manual 1. Intended use JULABO Cryo-Compact Circulators have been designed for temperature application to specific fluids in a bath tank. The units feature pump connections for temperature control of external systems (loop circuit). JULABO circulators 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).
Cryo-Compact Circulator If you have any questions concerning the operation of your unit or the information in this manual, please contact us! Contact: JULABO GmbH Eisenbahnstraße 45 77960 Seelbach / Germany Tel. +49 (0) 7823 / 51-0 info@julabo.de Fax +49 (0) 7823 / 24 91 www.julabo.de Safety instructions for the operator: Avoid strikes to the housing, vibrations, damage to the operating-element panel (keypad, display), and contamination.
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 W00: 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.
Cryo-Compact Circulator 2.2. EC Conformity The products 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.
Operator responsibility – Safety instructions 2.4. Technical specifications Working temperature range Temperature stability Temperature selection via keypad remote control via personal computer Temperature indication: Resolution Temperature control Working temperature sensor Safety temperature sensor Heater wattage (at 230 V) Heater wattage (at 115 V) Cooling capacity Medium ethanol Cooling compressor Refrigerant Cooling machine Electrical connections: Computer interface Pump capacity: Flow rate max.
Cryo-Compact Circulator Working temperature range Temperature stability Temperature selection via keypad remote control via personal computer Temperature indication: Resolution Temperature control Working temperature sensor Safety temperature sensor Heater wattage (at 230 V) Heater wattage (at 115 V) Cooling capacity Medium ethanol Cooling compressor Refrigerant Cooling machine Electrical connections: Computer interface Pump capacity: Flow rate max. at 0 bar Pressure max.
Operator responsibility – Safety instructions Warning functions and safety installations Excess temperature protection Low liquid level protection Classification according to DIN 12876-1 Alarm message Warning message Overload protection Supervision of working sensor Reciprocal sensor monitoring between working and safety sensors adjustable from 0 °C ...
Cryo-Compact Circulator 3. 3.1. Safety notes for the user 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.
Safety notes for the user 12 Never operate the unit without bath fluid in the bath. Pay attention to the thermal expansion of bath oil during heating to avoid overflowing of the fluid. Prevent water from entering the hot bath oil. Do not drain 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.
Cryo-Compact Circulator Caution: The circulator may be used, for example, to control the temperature of fluids in a reactor. We do not know what substances are contained in these vessels. Many substances are: inflammable, easily ignited, or explosive hazardous to health environmentally hazardous i.e.: dangerous The user alone is responsible for the handling of these substances! The following questions should help to recognize possible dangers and to reduce the risks to a minimum.
Operating instructions Operating instructions 4.
Cryo-Compact Circulator 1 Mains power switch, illuminated 60 2 20 100 140 180 220 0 °C 3.0 3.1 Adjustable excess temperature protection according to IEC 61010-2-010 Indication LED temperature display 3.2 Control indicator –Heating 3.3 Control indicator – Cooling 3.4 Control indicator – Alarm 4.0 Keypad splash-water protected Edit keys (set point increase or decrease) Enter key Escape key Store set point value / parameter 1. Cancel entries 2.
Preparations 5. 5.1. Preparations Installation 16 Place the unit on an even surface on a base made of nonflammable material. Cooling machine, pump motor and electronics produce intrinsic heat that is dissipated via the venting openings.! Never cover these openings! Be sure that the flow of ventilation can exit under the instrument.
Cryo-Compact Circulator 5.2. Temperature application to external, closed systems The Cryo-Compact Circulator is used for temperature application to external, closed systems (loop circuit) Caution: Securely attach all tubing to prevent slipping. Notice: Flood hazard! If the liquid levels in the Cryo-Compact Circulator bath and the external system are at different heights, overflowing must be prevented after the power has been turned off.
Preparations 5.3. Tubing Warning: Tubing: At high working temperatures, the tubing used for temperature control and for the cooling water supply represents a danger source. A damaged tubing line may allow a large amount of hot bath fluid to be pumped out within a short time. This may result in: Burning of skin Breathing difficulties due to hot atmosphere Safety instructions Use suitable connecting tubing. Make sure that the tubing is securely attached.
Cryo-Compact Circulator 5.4. Bath fluids Caution: Carefully read the material safety data sheet of the bath fluid used, particularly with regard to the fire point! If a bath fluid with a fire point of 65 °C is used, only supervised operation is possible. 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 scale in the bath Ferrous water can cause corrosion, even on stainless steel.
Operating procedures 6. 6.1. Operating procedures Power connection Caution: Only connect the unit to a power socket with an earthing contact (PE – protective earth)! The power supply plug serves as a safe disconnecting device from the line and must always be easily accessible. Never operate the unit with a damaged mains power cable. Regularly check the mains power cables for damage.
Cryo-Compact Circulator Turn the mains switch (1) on (Switching on - see page 22) Switch on unit. To do so press button Tempering fluid is pumped into the externally connected system. Refill fluid. The Cryo-Compact Circulator is ready for operation. for approx. 4 seconds. Important: When using a bath fluid, the change in volume in case of change in temperature has to be respected. Fill in a little amount of bath fluid only so that the low level alarm is not triggered.
Operating procedures 6.3. Switching on / Start - Stop Switching on: The Cryo-Compact Circulator 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). Then the software version and the type of unit is indicated. Examples: (v 1.02) (CF30) The display "OFF" indicates the unit is ready to operate (standby mode). 6.4. Start: for about 4 seconds.
Cryo-Compact Circulator 6.5. Setting the temperatures Setting can be carried out in the start/stop condition. 1. Press 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. to set a lower value. Press Keep the keys depressed for the value to change fast. 3. Press enter to store the value.
Operating procedures Warning: For supervised or unsupervised operation with the AUTOSTART function, avoid any hazardous situation to persons or property. The Cryo-compact circulator does no longer conform to N.A.M.U.R. recommendations. 6.7. Remote control: activate – deactivate The Cryo-Compact Circulator is to be prepared for remote control by a personal computer via the serial interface RS232. Set the interface item from >IOFF< (Interface OFF) to >ION< (Interface On).
Cryo-Compact Circulator 7. Safety installations 7.1. Check the safety installations at least twice a year! (See page 13) Excess temperature protection Warning: The excess temperature protection >SafeTemp< should be set at least 25 °C below the fire point of the bath fluid used. In the event of wrong setting there is a fire hazard! We disclaim all liability for damage caused by incorreect settings! + 100 60 This safety installation is independent of the control circuit.
Troubleshooting guide / Error messages 8. Troubleshooting guide / Error messages + Whenever the microprocessor electronics registers a failure, a complete shutdown of the compressor and circulating pump is performed. 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.
Cryo-Compact Circulator This message appear every 4 seconds. An acoustic signal sounds in regular intervals. Compressor does not work. After a short cooling interval, the compressor motor will be automatically reconnected and the message "E 21" no longer appears. Even after short switch off and switch on of the device by pressing the main power switch, the compressor might start up after a slight delay. Error message E21 will also appear during that time.
Electrical connections 9. 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.
Cryo-Compact Circulator 10. Remote control 10.1. Setup for remote control 5 1 1. Check the interface parameters for both interfaces (on CryoCompact Circulator and PC) and make sure they match. 9 6 2. Set the interface item from >IOFF< to >ION<. 3. Connect both units with an interface cable. SERIAL Interface parameters are pre-determined. BAUDRATE PARITY HANDSHAKE 4800 Bauds even hardware handshake 10.2.
Remote control 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 Cryo-Compact Circulator automatically responds to an in command with a data string followed by a LF (Line Feed). The next command should only be sent after 10 ms. The commands are divided into in or out commands.
Cryo-Compact Circulator 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 31 ) in_pv_00 none Actual bath temperature. in_pv_01 none Heating power being used (%). in_pv_03 none Temperature value registered by the safety sensor.
Remote control Error messages Description -09 COMMAND NOT ALLOWED IN CURRENT OPERATING MODE Invalid command in current operating mode. -10 VALUE TOO SMALL Entered value too small. -11 VALUE TOO LARGE Entered value too large. -12 TEMPERATURE MEASUREMENT ALARM Error in A/D converter. -14 EXCESS TEMPERATURE PROTECTOR ALARM Excess temperature protection alarm -20 WARNING: CLEAN CONDENSOR OR CHECK COOLING WATER CIRCUIT OF REFRIGERATOR Cooling of the condenser is affected. Clean air-cooled condenser.
Cryo-Compact Circulator 11. JULABO Service – Online remote diagnosis JULABO Cryo-compact circulator s of the HighTech series are equipped with a so-called black box. This box is implemented in the controller and records all significant data for the last 30 minutes. In case of a failure, this data can be read out from the unit by using special software. The respective program is available for free download from www.julabo.de \ EasyBlackBox. Installation is easy and carried out step by step.
Draining 12. Draining Notice: Do not drain the bath fluid while it is hot! Check the temperature of the bath fluid prior to draining (by switching the unit on for a short moment, for example). Store and dispose the used bath fluid according to the laws for environmental protection. Draining Turn off the unit and disconnect the mains cable from the power source. Place the Cryo-compact circulator near the rim of the table.
Cryo-Compact Circulator To maintain the full cooling performance, clean the condenser (C) from time to time. 1. Switch off device by pressing the main power switch and OFF AUS SERIAL C 2. disconnect mains cable from power source. 3. Remove 2 screws 4. Lift cover upwards. 5. Remove dirt at condenser by suction cleaning. T16A T16A T16A T16A 6. Close cover and 7. Fix by means of screws. 8. Unit is ready for operation.
