English Operating Manual Refrigerated and Heating Circulators F12-MA F25-MA F33-MA F32-MA F34-MA Original Operating Manual 1.951.0366-V2 19510366-V2.doc FP35-MA FP40-MA FP50-MA FPW50-MA JULABO GmbH 77960 Seelbach / Germany Tel. +49 (0) 7823 / 51-0 Fax +49 (0) 7823 / 24 91 info@julabo.de www.julabo.de 05/14 13.05.
Operating manual 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 circulators. For optimal utilization of all functions, we recommend that you thoroughly study this manual prior to beginning operation.
MA TABLE OF CONTENTS Operating manual ..........................................................................................................5 1. Intended use ..........................................................................................................5 1.1. Description .........................................................................................................5 2. Operator responsibility – Safety recommendations ...............................................6 2.1.
Operating manual Safety installations, warning functions ..................................................... 39 8. 8.1. Excess temperature protection ........................................................................ 39 8.1.1. Early warning system, low level protection .............................................. 40 8.2. Switch-over from warning to shutdown function .............................................. 41 8.3. Over and Sub temperature warning function .................................
MA Operating manual 1. Intended use JULABO circulators have been designed to control the temperature of 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). 1.1.
Operator responsibility – Safety recommendations 2. Operator responsibility – Safety recommendations 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.
MA Appropriate operation Only qualified personnel is authorized to perform configuration, installation, maintenance and repairs of the circulator. Routine operation can also be carried out by untrained personnel who should however be instructed by trained personnel. 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).
Operator responsibility – Safety recommendations 2.1. Disposal The circulator contains a back-up battery that supplies voltage to memory chips when the unit is switched off. Do not dispose of the battery with household waste! Depending on battery regulations in your country, you might be obliged to give back used or defect batteries to gathering places. The product may be used with oil as bath fluid. These oils fully or partially consist of mineral oil or synthetic oil.
MA 2.3.
Operator responsibility – Safety recommendations 10
MA 11
Operator responsibility – Safety recommendations 12
MA 13
Operator responsibility – Safety recommendations 14
MA 15
Operator responsibility – Safety recommendations 16
MA 17
Operator responsibility – Safety recommendations 2.4. Technical specifications Working temperature range Temperature stability Cooling capacity Medium ethanol Refrigerant Overall dimensions (WxDxH) Bath opening (WxL) Bath depth Filling volume from ...
MA Working temperature range Temperature stability Cooling capacity Medium ethanol Refrigerant Overall dimensions (WxDxH) Bath opening (WxL) Bath depth Filling volume from ...
Operator responsibility – Safety recommendations Working temperature range Temperature stability Cooling capacity Medium ethanol Refrigerant Overall dimensions Bath opening Bath depth Filling volume Weight Mains power connection Current draw Current draw Mains power connection Current draw Working temperature range Temperature stability Cooling capacity Medium ethanol Refrigerant Overall dimensions Bath opening Bath depth Filling volume Weight Mains power connection Current draw Current draw Mains power c
MA MA Temperature selection via keypad indication on remote control via personal computer Temperature indication Resolution (-9.99 …. +99.99 = 0.01) Absolute Temperature Calibration Temperature control Heater wattage (at 230 V) Heater wattage (at 115V) Electronically adj. pump capacity Flow rate max.at 0 bar Pressure max. max.
Operator responsibility – Safety recommendations 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.
MA Notice: Cooling water circuit Risk of oil leaking from the refrigeration system (compressor) of the recirculating cooler into the cooling water in case of a fault in the cooling water circuit! Observe the laws and regulations of the water distribution company valid in the location where the unit is operated. Notice: Danger of corrosion of heat exchanger due to unsuitable quality of cooling water.
Operating instructions Operating instructions 3. 3.1. Safety notes for the user Explanation of safety notes In addition to the safety warnings listed, warnings are posted throughout the operating 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 for averting dangers.
MA • • • • • • • • • • • • • • • • • • • • • • 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. Set the excess temperature safety installation at least 25 °C below the fire point of the bath fluid. Observe the limited working temperature range when using plastic bath tanks. Never operate the unit without bath fluid in the bath.
Safety notes for the user The user alone is responsible for the handling of these substances! 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.
MA 4. 4.1. Operating controls and functional elements Circulator Front view 1 Rear view Mains power switch, illuminated Navigation keys 2 1. Key: >OK< Start / Stop (pump / heater ) 2. >OK< in the menu Menu item / select submenu for setting Save set value Save selected parameter A beep signals the end of setting After the actions Start, Stop and change from VFD Display to standard display the key is locked for a short time. The above graph “front side” shows an example for standard display. 3 1.
Operating controls and functional elements 4 1. Key: >Up / Down Up/Down< in the menu selection of menu items / parameters Navigation aids Flashing segments show the position within the structure of the menu. Item „P“ flashes simultaneously in the submenu.
MA 4.2.
Preparations 5. 5.1. Preparations Installation • • Place the unit on an even surface on a pad made of nonflammable material. F34: The circulator fitted with a stainless steel bridge is placed on on the back of the bath tank leaving the bath open on the front side. The place 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 radiates to the environment. (Max.
MA • • Chloric water can cause pitting corrosion. Distilled and deionized water is unsuitable. Their special properties cause corrosion in the bath, even in stainless steel.
Preparations 5.3. Temperature application to external systems Caution: Securely attach all tubing to prevent slipping. If the circulator is operated without external system, close the pump connector (24a) with the cap nut. The circulator is used for temperature application to external, closed systems (loop circuit) with simultaneous temperature application in the circulator bath. Connecting the external system • Unscrew the collar nuts from the pump connector (24a).
MA 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: • Burning of skin • Difficulties in breathing due to hot atmosphere Safety recommendations • Employ suitable connecting tubing. • Make sure that the tubing is securely attached.
Operating procedures Draining • Turn off the circulator and cooling machine. • • Hold the venting grid, pull out and remove. Slide a short piece of tube onto the drain port (23) and hold it into a pail. Unscrew the drain tap (22) and empty the unit completely. • Tighten the drain tap. 6. 6.1.
MA • 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 a self-test. All segments of the 4-digit MULTIDISPLAY (LED) and all indicator lights will illuminate.
Operating procedures 6.2.2. Switching on the cooling machine Switching on: Switch on the cooling machine using the switch (1b) . Control of the cooling machine: With the mains switch (1b) turned on, the 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.
MA 7. Setting of temperatures The function of the key is configurable. 1. If the key is pressed, normally only one adjustable working temperature is displayed (factory setting). 2. Using the Menu Configuration which is started by pressing the key a menu with three pre-set setpoints can be assigned to the key. Press 7.1. key if a value is to be retained. 1-setpoint mode / Direct setting of temperatures The circulator uses the setpoint of t1 or t2 or t3 for temperature control.
Setting of temperatures Refer to page 46 for switch-over to 3-temperature-mode CFG = CONFIGURATION 3SP = 3 SETPOINT Setting of working temperature in the 1. Press the key . The value >tx< menu flashes 2. Select SETPOINT >t 1< or >t 2< or >t 3< using the key or . 3. Confirm by pressing the key. The circulator uses the new working temperature value for temperature control. Example: setting / adjustment of of pre-settings of "t 3" 1. Press the key. The parameter >tx< flashes. 2.
MA 8. Safety installations, warning functions Check the safety installations at least twice a year! Refer to ( page 26) Settings for the excess temperature protection > tSA< and for the warning functions for high > tHi< and low > tLo< temperature are made in a menu which is called up by pressing the key . Menu item > Aty (ALARM-TYPE)< allows choosing between a warning and an alarm cut-off for the menu items > tHi < and >tLo<. 8.1.
Safety installations, warning functions 8.1.1. Early warning system, low level protection Warning: For refill always use the same bath fluid type that is already in the bath. Bath oils must not contain any water contaminants and should be pre-heated to the actual bath temperature! Explosion hazard at higher temperatures! This low level protection is independent of the control circuit and is divided in two sections. 1. Switch in stage 1 recognizes a defined fluid level .
MA 8.2. Switch-over from warning to shutdown function If a shutdown of functional elements (e.g. heater, circulating pump) is required when the limit values are exceeded or undercut the circulator can be changed over from warning function >WARNING< to shutdown function >ALARM<. Factory setting: >0 = WARNING< 1. Press the key . 2. Select the menu >Aty (ALARM-TYPE)< by pressing the key. 3. Press the (Example: 0) key and the set parameter will flash . 4.
Safety installations, warning functions 8.3. Over and Sub temperature warning function Factory settings: Over temperature t High 205 °C Sub temperature t Low -55 °C If the observance of a working temperature value >t 3< has to be supervised for a sensitive temperature application, then set over and sub temperature warning values. In the example below the setpoint >t 3< 85 °C is surrounded by the values >t High< 87 °C and >t Low< 83 °C.
MA 9.
Menu functions 9.1. MENU PUMP – Setting of pump pressure The capacity of the circulating pump is set by adjusting the motor speed Settings: stage 1 ... 4 Factory setting: stage 1 Flow rate: Pump pressure: 1. Press the 2. Press the 11 ... 16 l/m 0,22 ... 0,45 bar key. Menu >Pu< is indicated. key. The set parameter flashes (example: > 2<) 3. Change the parameter by pressing or and confirm by pressing the key. or Press the key if the parameter is to be retained.
MA 9.2. MENU Configuration Menu level 1 CFG = MENU CONFIGURATION A RESET can be effected only in the > Switch off circulator by pressing the CONFIGURATION. Level 2 Parameter level < mode. key and call up the menu Press the key if a parameter is to be retained. Correction function for parameters and values (prior to OK). >3SP< - Switch on and off the 3-setpoint mode or The parameter flashes, set by pressing + >YES< - This function can be used by pressing the key.
Menu functions 9.2.1. Configuration of the mode of the key Pressing the key normally indicated only one working temperature which can be individually adjusted. Factory setting: no The configuration opens a menu with 3 setpoints which can be preset. >no< >YES< 9.2.2.
MA 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. 9.2.4. Reset - Factory setting >YES< resets all values to factory setting. A >rSt< RESET can be effected in the > Switch off the circulator by pressing the key menu CONFIGURATION. < mode only. and call up the During the message – init - all parameters are reset to factory settings 9.3.
Menu functions Proportional range >Xp< Setting range: 0.1 ... 99.9 The proportional range is the range below the setpoint in which the control circuit reduces the heating capacity from 100% to 0 % Reset time >Tn< (Integral component) Setting range: 3 ...9999 Compensation of the remaining control deviation due to proportional regulation. An insufficient reset time may cause instabilities. Excessive reset times will result in unnecessary prolongation of compensation of the control difference.
MA 9.4. MENU SERIAL - BAUDRATE, PARITY, HANDSHAKE Menu level 1 For communication between circulator and a PC or a superordinated process control system the interface parameters of both units must be identical. Factory settings: 4800 Baud even hardware handshake Level 2 Parameter level Press the key if a parameter is to be retained. >br< - BAUDRATE • The parameter flashes, switch by pressing and 4.8 = 9.6 = 19.2 = 38.
Menu functions 9.5. MENU ATC - Absolut Temperature Calibration ATC serves to compensate a temperature difference that might occur between circulator and a defined measuring point in the bath tank because of physical properties. Principle: For ATC calibration, 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 >Ctx<.
MA >tYP< - ATC TYPE • The parameter flashes, switch by pressing and A >1-point<, >2-point< or >3-point< calibration can be carried out. The value > tt1< is only indicated In addition the measured temperature value >Ct 1< is saved during the next step.
Menu functions 9.5.1. 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 temperature sensor or the new curve measured during the ATC calibration. Important: Set to >NO< during the calibration process >NO< An ATC calibration is to be carried out. Important: Set to >YES< after calibration.
MA 9.5.3. Example: 3-point calibration for internal control In the temperature range from 80 °C to 160 °C the calibration curve of the temperature sensor (TT) is to be adjusted to the actual temperatures at measuring point (CT). 1. Set working temperature setpoint : Refer to „Direct temperature setting “ page 37 1. By pressing the key or the circulator switches to the active >SETPOINT< see example on the left: >t1 25.00°C<. (Example: <25>). The integer digits flash 2. Change the value to 80.
Menu functions The value >tt1< is only indicated Setting >Ct 1< by using the keys. • Integer digits flash, set by pressing (79) + • Decimal digits flash, set by pressing (70) + The first of 3 points is calibrated. Return to 1. Set working temperature value: 120.00 °C The value >tt2< is only indicated Setting >Ct 2< by using the keys. • Integer digits flash, set by pressing (119) + • Decimal digits flash, set by pressing (5) + The second of 3 points is calibrated. Return to 1.
MA 9.6. MENU LIMITS >Li< = LIMITS – limitation of operating temperature range Maximum and minimum setpoint Restriction of the adjustable temperature range. Menu level 1 Level 2 Parameter level Press the key if parameter is to be retained. Correction function for parameters or values (prior to OK).
Troubleshooting guide / error messages 10. Troubleshooting guide / error messages + Alarm with complete shutdown: If one of the following failures occur a complete, all-pole shutdown of the heater and circulating pump is effected. „ “ lights up and a continuous signal sounds. The code for the cause of alarm is indicated on the MULTI-DISPLAY (LED).
MA Excess temperature protector defect. The protection temperature is below the set working temperature setpoint. Set the protection temperature to a higher value. Insufficient cooling of condenser. Clean the air-cooled condenser. Check the flow and the temperature of the cooling water of a water-cooled condenser. 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 not work.
Troubleshooting guide / error messages „Configuration Error“ The configuration of the circulator does not correspond with its current application. Press the key for a non-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.
MA 11. 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 (e.g. cellular phones).
Remote control 12. Remote control 12.1. Setup for remote control 5 1 9 6 RS232C • Check the interface parameters for both interfaces (on circulator and PC) and make sure they match. (Serial interface refer to page 49.) • In the menu >CFG< (Configuration) set the menu item >rt< (Remote) to >ON< . (refer to page 46). • Connect both units with an interface cable.
MA 12.3. List of commands out commands: Setting parameters or temperature values. Command Parameter Response of circulator version status None none Number of software version (V X.xx) Status message, error message (see page 62 ) out_mode_01 out_mode_01 out_mode_01 out_mode_05 out_mode_05 0 1 2 0 1 Use working temperature >t 1< Use working temperature >t 2< Use working temperature >t 3< Stop the unit = R –OFF-. Start the unit. out_sp_00 out_sp_01 out_sp_02 out_sp_03 out_sp_04 out_sp_07 xxx.
Remote control Command in_sp_02 in_sp_03 in_sp_04 in_sp_07 Parameter none none none none Response of circulator Working temperature „t 3“ High temperature warning limit Low temperature warning limit Pump pressure stage in_par_01 in_par_02 in_par_03 in_par_06 in_par_07 in_par_08 none none none none none none Te - Time constant of the external bath. Si - Internal slope Ti - Time constant of the internal bath. Xp control parameter of the internal controller.
MA ERROR MESSAGES Description -06 SENSOR DIFFERENCE ALARM Sensor difference alarm. Working temperature and safety sensors report a temperature difference of more than 35 K. Internal error when reading or writing the I2C bus. Invalid command. Invalid command in current operating mode.
JULABO Service – Online remote diagnosis 13. JULABO Service – Online remote diagnosis JULABO circulators of the TopTech series are equipped with a 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. This software is available as a free download from www.julabo.de \ EasyBlackBox. • Installation is easy and is performed step by step.
MA 14. 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. Maintaining the cooling performance To maintain the full cooling performance, clean the condenser from time to time. • Switch off the unit, disconnect mains power cable.