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- Page 1 Operating Manual Cryo-Compact Circulators The HighTech Series CF31 CF41 JULABO GmbH 77960 Seelbach / Germany Tel. +49 (0) 7823 / 51-0 +49 (0) 7823 / 24 91 info.de@julabo.com www.julabo.com 1.951.4871-V5 08/17 19514871-V5.doc 08.08.17...
- Page 2 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.
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Page 3: Table Of Contents
Cryo-Compact Circulators TABLE OF CONTENTS Operating manual ......................... 5 Intended use .......................... 5 1.1. Description ........................5 Operator responsibility – Safety instructions ................6 2.1. Disposal ..........................7 2.2. EC Conformity ........................8 2.3. Warranty conditions ......................10 2.4. Technical specifications ....................11 Safety notes for the user ...................... - Page 4 11.3. List of commands ......................72 11.4. Status messages ......................75 11.5. Error messages ....................... 76 12. JULABO Service – Online remote diagnosis ................ 77 13. Installation of electronic module ................... 78 13.1. Draining ........................... 78 14. Cleaning / repairing the unit ....................79...
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Page 5: Operating Manual
Cryo-Compact Circulators Operating manual 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. -
Page 6: Operator Responsibility - Safety Instructions
Operator responsibility – Safety instructions 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. -
Page 7: Disposal
There are thermal dangers: Burn, scald, hot steam, hot parts and surfaces that can be touched. Warning label W26: Colors: yellow, black Hot surface warning. (The label is put on by JULABO) Warning label W017: Colors: yellow, black Low temperature warning. -
Page 8: Ec Conformity
Operator responsibility – Safety instructions 2.2. EC Conformity... - Page 9 Cryo-Compact Circulators...
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Page 10: Warranty Conditions
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 or workmanship, parts will be repaired or replaced free of charge, or a new replacement unit will be supplied. -
Page 11: Technical Specifications
Cryo-Compact Circulators 2.4. Technical specifications CF31 Working temperature range °C -30 ... +200 Temperature stability °C ±0.02 Temperature selection digital via keypad indication on LCD DIALOG-DISPLAY (°C/°F) remote control via personal computer indication on monitor Temperature indication: VFD COMFORT-DISPLAY Resolution °C... - Page 12 Operator responsibility – Safety instructions CF41 Working temperature range °C -40 ... +200 Temperature stability °C ±0.02 Temperature selection digital via keypad indication on LCD DIALOG-DISPLAY (°C/°F) remote control via personal computer indication on monitor Temperature indication: VFD COMFORT-DISPLAY Resolution °C 0.01 Pump pressure stage...
- Page 13 Cryo-Compact Circulators Electrical connections: Computer interface RS232 / RS485 External sensor Pt100 Optional: (Order No. 8900100 Electronic module with analog connections) Programmer input -100 °C to 400 °C = 0 - 10 V or 0 - 20 mA or 4 - 20 mA Input for the signal of a flow meter or external manipulated variable Temperature recorder outputs 0 - 10 V (0 V = -100 °C, 10 V = 400 °C)
- Page 14 • The operator undertakes to have maintenance, repair, service, recovery and recycling work carried out by certified personnel who have been authorized by JULABO. • All such work must be documented. The operator must keep records and archive them for at least five years.
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Page 15: Safety Notes For The User
Cryo-Compact Circulators Safety notes for the user 3.1. 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).”... - Page 16 Safety notes for the user • 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). •...
- Page 17 Cryo-Compact Circulators The following questions should help to recognize possible dangers and to reduce the risks to a minimum. • Are all tubes and electrical cables connected and layed? Note: sharp edges, hot surfaces in operation, moving machine parts, etc. •...
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Page 18: Operating Instructions
Operating instructions Operating instructions Operating controls and functional elements Front view CF41 / CF31 Rear view CF41/ CF31 11 12 SERIAL ALAR STAND- Pt100 T16A T16A 11 12 SERIAL ALAR STAND- Pt100 T16A T16A... - Page 19 Cryo-Compact Circulators Mains power switch, illuminated Adjustable excess temperature protection according to IEC 61010-2-010 °C LCD DIALOG-DISPLAY Setpoint1: 150.00°C IntAct 148.53°C Power 80 % Line 1: Setpoint and origin of setpoint programming Control intern (Key / RS232 or RS485 / ext. Pt100 / EProg) RS232 150.00°C Line 2: Actual value - internal or external,...
- Page 20 Operating controls and functional elements Display for the adjusted pump pressure stage in the -OFF- mode. Display for the effective pump pressure stage (rotation speed) after start. Four stages, adjustable via the button, in the menu >PUMP<. Segment at bottom blinks: Standstill of compressor (compressor protection device, page 28) Keypad 1...
- Page 21 Cryo-Compact Circulators Option: Electronic module Order No. 8 900 100 The Cryo-Compact Circulator automatically recognizes the connected electronic module. Alarm output (for external alarm signal) ALARM Standby input (for external emergency switch-off) STAND-BY Programmer input and temperature recorder output REG+E-PROG Socket for external measurement and control sensor or external setpoint programming ext Pt100...
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Page 22: Preparations
> For 0.25 kg of refrigerant R134a, 1 m of space is required. Model CF41 with 0.16 kg filling quantity of refrigerant R404A = 0,33 m volume Model CF31 with 0.15 kg filling quantity of refrigerant R134a = 0.6 m volume 5.2. Temperature application to external systems... - Page 23 Differing flow rates of the pressure and suction pumps should be compensated. To maintain a constant liquid level, the JULABO „D+S“ Level Adapter is recommended for the external bath tank. The flow rate of the pressure pump will be then regulated by a built-in float device.
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Page 24: Tubing
• Preventive maintenance: replace the tubing from time to time. Recommended tubing: Order No. Suitable for ® 8930008 1 m CR -tubing 8 mm inner dia. (-20 ... +120°C) CF31, CF41 ® 8930012 1 m CR -tubing 12 mm inner dia. (-20 ... +120°C) CF31, CF41 ® 8930108... -
Page 25: Bath Fluids
Fire or other dangers when using bath fluids that are not recommended: Please contact JULABO before using other than recommended bath liquids. JULABO assumes no liability for damage caused by the selection of an unsuitable bath fluid. Unsuitable bath fluids are fluids which, e.g., •... -
Page 26: Operating Procedures
Operating procedures Operating procedures 6.1. 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. -
Page 27: Switching On / Selecting The Language
Low level alarm is triggered at the following liquid level: CF31 75 to 80 mm below the tank rim CF41 80 to 85 mm below the tank rim When reaching the working temperature, check the liquid level. If the cooling coil is not completely covered with bath fluid, refill it. -
Page 28: Manual Operation
Manual operation Manual operation 7.1. Start - Stop Start: Press the start/stop key 24.60 The actual bath temperature is displayed on the VFD COMFORT- DISPLAY. S 150.00 The LCD DIALOG-DISPLAY informs about adjustments and E ----- conditions on the Cryo-Compact Circulator (see example on the Setpoint1: 150.00°C left). -
Page 29: Setting The Temperatures
Cryo-Compact Circulators 7.3. Setting the temperatures Press the key to call up the menu for temperature selection. 3 different working temperatures are adjustable. Their values are freely selectable within the operating temperature range. Factory setting: Setpoints This setting may be carried out with the circulator being in the Start or >Setpoint1: 20.00°C Setpoint2:... -
Page 30: Safety Installations, Warning Functions
Manual operation 7.4. Safety installations, warning functions Check the safety installations at least twice a year! (See page 17) 7.4.1. Excess temperature protection Settings for the excess temperature protection according to IEC 61010-2-010 and for the high and low temperature warning functions are made in a menu that is called up with the key Safety-values >Warn-Type:... - Page 31 Cryo-Compact Circulators Recommendation: Set the excess temperature protection >SafeTemp< at 5 to 10 °C above the working temperature setpoint. Warning: The excess temperature protection >SafeTemp< should be set below the flash 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 incorrect settings! Warn-Type: >Warning<...
- Page 32 Manual operation Setpoint3 85.0°C OverTemp 87.0°C SubTemp 83.0°C The warning functions are only triggered when the actual bath temperature, after start from the „OFF“ or „rOFF“ mode, lies within the set limits for 3 seconds. SafeTemperature: Indicated is the cut-out value set with a screwdriver on the excess temperature protection device.
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Page 33: Early Warning System, Low Level Protection
Cryo-Compact Circulators 7.4.2. Early warning system, low level protection This low level protection is independent of the control circuit and is divided in two sections. . 1. Switch in stage 1 recognizes a critical fluid level (patented) An audible warning (interval tone) sounds and a message appears on the VFD COMFORT-DISPLAY XXXXX Niveau level warning... -
Page 34: Menu Functions
Menu functions Menu functions The term „menu functions“ refers to adjustments such as Configuration of the Cryo-Compact Circulator Internal and external control with adjustable control parameters Start menu for the integrated programmer Integrated programmer; 6 profiles with 60 sections each ... -
Page 35: Configuration
Cryo-Compact Circulators 8.1. Configuration Main menu >Configuration Control Profile Start Configuration >Setpoint : keypad /RS232/ext.Pt100/eprog Autostart: OFF-Mode : pump off /pump on Language : German /Englich Reset /yes Variable : control /serial/eprog Unit °C /°F Use the up/down keys to select the desired menu item. Use the left/right keys to select the parameter (parameter blinks). - Page 36 - AUTOSTART off (Factory setting) Note: The temperature system has been configured and supplied 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).
- Page 37 Cryo-Compact Circulators OFF-Mode Normally the circulating pump is switched via the start/stop signal. However, if circulation should be maintained also for the -OFF- condition, the parameter >pump on< needs to be set. Possible parameters: pump off (factory setting) pump on Language There are two options for the language of the LCD DIALOG-DISPLAY: German or English.
- Page 38 Menu functions Warning: The working temperature range of the Cryo-Compact Circulator is determined during configuration. If set to >Control<, this range cannot be exceeded. If set to > serial < and > eprog <, heat or cold is applied to the bath without control. The permissible maximum temperature can be exceeded.
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Page 39: Control
Cryo-Compact Circulators 8.2. Control The Cryo-Compact Circulator is conceived for internal and external temperature control. Switching is carried out in this submenu. Depending on what is set, only the respective set of parameters is indicated. Main menu >Control Profile Start Int. - Page 40 Menu functions Sensor calibration of the external Pt100 sensor is carried out in the menu >ATCalibration<, with the > Status< set to >no< (see page 62). Suggested adjustments for external temperature control: AreaUp/ AreaDown and IntMax / IntMin see chapter >Limits<...
- Page 41 Cryo-Compact Circulators Dynamic: This parameter affects the temperature pattern only in case of internal control. normal °C Possible parameters: temp. stability normal –Allows for reaching the setpoint faster, aperiodic but overshooting of up to 5 % is possible. setpoint aperiodic – (factory setting) Target temperature is attained without overshooting.
- Page 42 Menu functions Resetting time >Tn< (Integral component) Setting range: internal / external Compensation of the remaining control deviation due to proportional 3 ...9999 s regulation. An insufficient resetting time may cause instabilities to occur. Excessive resetting time will unnecessarily prolong compensation of the control difference.
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Page 43: Start Of A Profile
Cryo-Compact Circulators 8.3. Start of a profile The start menu of the integrated programmer allows calling up and defined starting of one of six previously stored temperature profiles. The profiles are started manually or via the integrated timer. Main menu Control >Programmer Start Int.Programmer... - Page 44 Menu functions Profile End Stdby / SetpPG / Setp 1 / Setp 2 / Setp 3 This parameter is used to determine if the unit switches to the -OFF- condition at the end of a profile, or if temperature control is continued and the working temperature setpoint that is be used in such case.
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Page 45: Edit After Start
Unused sections or incorrect data are skipped. 8.3.1. Edit after start A JULABO programmer of generation II allows editing of a running profile. A programmer of the previous generation requested the profile to be interrupted, edited and then started again. - Page 46 Menu functions Deleting a complete section: • Use the keys to move to line 2. • Use the keys to choose the desired section. • Press the key to delete the complete section. Edit >Edit Profile: If the desired section is already chosen, the section is deleted even if the **Step is deleted ** cursor >...
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Page 47: Interrupting A Profile
Cryo-Compact Circulators 8.3.2. Interrupting a profile Press the start/stop key to interrupt or continue a profile. Setp. : 125.80°C The setpoint and time period set for the corresponding section are IntAct: 124.70°C Prof. : 4 Step:12 thus stopped at the values presently achieved. *** pause *** The instrument is put on hold and the message „pause“... -
Page 48: Termination Of A Profile
Menu functions 8.3.4. Termination of a profile A profile can be terminated by pressing . The programmer Setp 125.80°C switches back to the Start menu. IntAct: 124.70°C Prof. : 4 Step:12 Remain: 00:03:45 • Press again to quit the menu ... -
Page 49: Integrated Programmer
Cryo-Compact Circulators 8.4. Integrated programmer The integrated programmer allows any desired temperature program sequences to be realized. Such a temperature sequence is called profile. A profile consists of individual sections defined by duration (t:) and target temperature. Target temperature is the setpoint (T:), that is achieved at the end of a section. - Page 50 Menu functions Int. Programmer Edit Compile profiles >Edit Display sections Delete Important: Also a running profile can be changed. Print Set Clock See „Edit after start“ page 45 Delete Delete sections Print Print a programmed profile Set clock Set the real time on the instrument Compile profiles: A flashing segment indicates that a number needs to be entered.
- Page 51 Cryo-Compact Circulators Display sections (Step): Edit Use the keys to select the submenu „Step“, enter the >Edit Profile: Step: desired number and press enter Setp: 50.00°C Time [hh:mm] 00:02 If the submenu „Step“ is selected, section by section can be shown in ascending order by the key ...
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Page 52: Analog Inputs/Outputs
Menu functions 8.5. Analog inputs/outputs In order to use the analog inputs and outputs, the Cryo-Compact Circulator must be equipped with the electronic module available as option. ALARM STAND-BY REG+ Order No. 8 900 100 Electronic module E-PROG This submenu enables setting of the input and output values for the programmer input and the temperature recorder outputs of socket REG+E-PROG. - Page 53 Cryo-Compact Circulators Menu level 2 Use the keys to select the desired (>) menu item in menu level 2 on the LCD DIALOG-DISPLAY. Inputs/Outputs >Chan.1 ActInt Use the keys to store the desired parameter or Chan.2 ActInt Chan.3 : Setpoint press enter to enter menu level 3.
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Page 54: Reg+E-Prog - Temperature Recorder Outputs
Menu functions 8.5.1. REG+E-PROG – temperature recorder outputs REG+E-PROG (11): Outputs of the connector CHANNEL 3 1. First define the desired output value for channels 1 to 3: EPROG CHANNEL 2 ActInt internal actual temperature value (bath temperature) ActExt external actual temperature value (external sensor) CHANNEL 1 Power periodic or intermittent heating or cooling... -
Page 55: Reg+E-Prog - Programmer Input
Cryo-Compact Circulators 8.5.2. REG+E-PROG - programmer input Menu >Configuration< E-PROG - Input Configuration Setting needs to be carried out, if >Setpoint : eprog Keypad/RS232/extPt100 1. setpoint programming is to be made via an Autostart: Standby : pump off external voltage or current source or Language : english programmer... - Page 56 Menu functions Eprog 50.0°C After returning the LCD display to standard display by pressing IntAct 24.7°C Power 80 % the temperature value adjusted and set on the external voltage or Control intern current source is displayed in line 1 (Example: Eprog : 50.00 °C).
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Page 57: Stand-By Input
Cryo-Compact Circulators 8.5.3. STAND-BY input Ext. StBy (10) (for external emergency switch-off) (Connector see page 70) Possible parameters: inactiv - standby input is ignored activ - standby input is active Activate the standby input: 1. Under menu item >Ext. StBy<, set the parameter to >activ<. 2. -
Page 58: Alarm Output
Menu functions 8.5.4. ALARM output Alarm output (9) (for external alarm signal) This socket is a potential-free change-over contact. With the adjustments in the menu >Inputs/Outputs< all operating conditions can be signaled without having to change the pin assignments. Menu >Inputs/Outputs< AlarmOut >Function: StdBy /Alarm/Al+StBy... -
Page 59: Limits
Heating and cooling powers of the Cryo-Compact Circulator are adjustable. 100 % corresponds to the values in the technical specifications of the equipment. Factory setting: CoolingMax CF31 100 % (fixed value) CF41 0 to 100 % in steps of 1 %... - Page 60 Menu functions IntMax: and IntMin: Limit setting Setting range: see working temperature range page 11 The limits IntMax and IntMin are only valid for external control. IntMax and IntMin are used to limit the expected internal bath temperatures to any upper and lower values.
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Page 61: Serial Interface
Cryo-Compact Circulators 8.7. Serial interface For communication between Cryo-Compact Circulator and a PC or a superordinated process system the interface parameters of bath units must be identical. The adjustment is usually carried out one time only in the menu >Interface serial<. Main menu Limits >Interface serial... -
Page 62: Atc Absolute Temperature Calibration, 3-Point Calibration
Menu functions 8.8. ATC Absolute Temperature Calibration, 3-point calibration ATC serves to compensate a temperature difference that might occur between Cryo-Compact Circulator and a defined measuring point in the bath tank because of physical properties. Main menu Interface serial >ATCalibration Pump internal ATCalibration... - Page 63 Cryo-Compact Circulators Type: A >1-point<, >2-point < or >3-point < calibration can be carried out. First geometrically define the location for calibration (measuring point ), then determine the temperature values of of the calibration points. The calibration type also determines the number of pairs of values indicated on the LCD DIALOG-DISPLAY.
- Page 64 Menu functions Use the keys to select the menu item. With the keys select the parameter (parameter blinks) use the numeral keypad to enter the numbers (number segment blinks). Press enter to store the new parameter or value. Examples: Example: = 80.00 °C 3-point calibration for internal control.
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Page 65: Setting The Pump Pressure
Cryo-Compact Circulators 8.9. Setting the pump pressure The pressure of the circulating pump is adjustable in four grades. After Examples: setting, the VFD-Info-Display indicates the corresponding value. Adjusted Effective Adjustable pump capacity stage 1 ... 4 Illuminated display: for pump pressure ... -
Page 66: Troubleshooting Guide / Error Messages
Replace the tubing and replenish level or float is defective. the bath tank with the bath fluid. • The float is defect (e. g., because damaged in transit). Repair by authorized JULABO service personnel. • WARNING ALARM • Excess temperature warning... - Page 67 Cryo-Compact Circulators ALARM • Defect of the working or excess temperature sensor. Working temperature and excess temperature sensors report a CODE 06 temperature difference of more than 35 K. Difference between working- and safety- temp. Bigger than permissible value. ALARM •...
- Page 68 Troubleshooting guide / Error messages ALARM • Ext. Pt100 sensor input without signal, but setpoint programming set to external Pt100. CODE 38 Ext. Sensor input without signal but setpoint programming set to ext. Pt100. WARNING • The early warning system for low level signals a critical fluid level. Replenish the bath tank with the bath fluid.
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Page 69: Electrical Connections
Cryo-Compact Circulators 10. 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. - Page 70 Remote control Socket for external Pt100 sensor Shield Plug Pt100 Pin assignment: Signal ext. Pt100 Look on soldering side. The shield of the connecting cable is electrically connected to the plug housing and the sensor tube. Alarm output (for external alarm signal) This potential-free change-over contact is activated in case of an alarm when pins 2 and 3 are connected.
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Page 71: Remote Control
Cryo-Compact Circulators 11. Remote control 11.1. Setup for remote control 1. Check the interface parameters for both interfaces (on Cryo-Compact Circulator and PC) and make sure they match. In the menu >Interface< set the menu item >Type< to >RS232< or SERIAL >RS485<.( Serial interface see page 61) 2. -
Page 72: List Of Commands
Remote control The commands are divided into IN or OUT commands. IN commands: asking for parameters to be displayed OUT commands: setting parameters The out commands are valid only in remote control mode. Examples: When the RS485 interface is used, the three-digit instrument address stands in front of each command. - Page 73 Cryo-Compact Circulators Command Parameter Response of Cryo-Compact Circulator OUT_MODE_03 Set external programmer input to voltage. Voltage 0 V ... 10 V OUT_MODE_03 Set external programmer input to current. Current 0 mA ... 20 mA OUT_MODE_04 Temperature control of internal bath. OUT_MODE_04 External control with Pt100 sensor.
- Page 74 Remote control IN commands: Asking for parameters or temperature values to be displayed. Command Parameter Response of Cryo-Compact Circulator VERSION None Number of software version (V X.xx) STATUS none Status message, error message (see page 75) IN_PV_00 none Actual bath temperature. IN_PV_01 none Heating power being used (%).
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Page 75: Status Messages
Cryo-Compact Circulators Command Parameter Response of Cryo-Compact Circulator IN_PAR_11 none Tn control parameter of the cascade controller. IN_PAR_12 none Tv control parameter of the cascade controller. IN_PAR_13 none Adjusted maximum internal temperature of the cascade controller. IN_PAR_14 none Adjusted minimum internal temperature of the cascade controller. IN_PAR_15 none Band limit (upper) -
Page 76: Error Messages
Remote control 11.5. Error messages Error messages Description Low liquid level alarm -01 LOW LEVEL ALARM -03 EXCESS TEMPERATURE High temperature warning WARNING -04 LOW TEMPERATURE WARNING Low temperature warning. -05 WORKING SENSOR ALARM Working temperature sensor short-circuited or interrupted. -06 SENSOR DIFFERENCE ALARM Sensor difference alarm. -
Page 77: Julabo Service - Online Remote Diagnosis
Cryo-Compact Circulators 12. 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. -
Page 78: Installation Of Electronic Module
Installation of electronic module 13. Installation of electronic module Caution: 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. Configuration, installation, maintenance and repairs on the Cryo-Compact Circulator may only be carried out by qualified personnel. -
Page 79: Cleaning / Repairing The Unit
The Cryo-Compact 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.
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