Julabo SL-8K Operating Manual
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Julabo SL-8K Operating Manual

Calibration baths
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Operating Manual
Calibration Baths
SL-8K
SL-14K
19532826-V4.doc
JULABO USA, Inc.
884 Marcon Boulevard
Allentown, PA 18109
Phone: +1(610) 231-0250
Fax:
+1(610) 231-0260
info.us@ julabo.com
www.julabo.com
English
13.07.17

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Summary of Contents for Julabo SL-8K

  • Page 1 English Operating Manual Calibration Baths SL-8K SL-14K JULABO USA, Inc. 884 Marcon Boulevard Allentown, PA 18109 Phone: +1(610) 231-0250 Fax: +1(610) 231-0260 info.us@ julabo.com www.julabo.com 19532826-V4.doc 13.07.17...
  • 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 circulators. For optimal utilization of all functions, we recommend that you thoroughly study this manual prior to beginning operation.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Operating manual ........................ 5 Intended use ......................... 5 1.1. Description ....................... 5 Operator responsibility – Safety recommendations ............6 2.1. Disposal ........................8 2.2. Technical specifications ................... 9 Operating instructions ....................... 11 Safety notes for the user ..................... 11 3.1.
  • Page 4 12.4. Status messages ....................85 12.5. Error messages....................... 85 13. Installation of electronic module with analog connectors ..........86 14. JULABO Service – Online remote diagnosis ............... 87 15. Cleaning / repairing the unit ..................88 16. WARRANTY PROVISIONS ..................89...

  • Page 5: Operating Manual

    Operating manual Intended use JULABO circulators have been designed to control the temperature of specific fluids in a bath tank. 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 Recommendations

    Operator responsibility – Safety recommendations 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.
  • Page 7 Warning label W26: Colors: yellow, black Hot surface warning. (The label is put on by JULABO) Observe the instructions in the manuals for instruments of a different make that you connect to the circulator, particularly the respective safety recommendations. Also observe the pin assignment of...

  • Page 8: Disposal

    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.

  • Page 9: Technical Specifications

    2.2. Technical specifications Calibration Baths SL-8K SL-14K °C 50 ... 300 50 ... 300 Working temperature range °C ±0.005 ±0.005 Temperature stability °C <±0.008 <±0.008 Temperature uniformity Overall dimensions (WxDxH) 21x42x46 21x42x60 Bath opening (WxL) ∅12 ∅12 Bath depth Filling volume...
  • Page 10 Operator responsibility – Safety recommendations Electrical connections: External alarm device 24-0 V DC / max. 25 mA Computer interface RS232 or RS485 External Pt100 sensor Optional for HL, SL (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 11: Operating Instructions

    Operating instructions Safety notes for the user 3.1. 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).”...

  • Page 12: Safety Recommendations

    Safety notes for the user 3.3. Safety recommendations 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 – protective earth)! •...
  • Page 13 Caution: The temperature controlling i.e. of fluids in a reactor constitutes normal circulator practice. We do not know which substances are contained within these vessels. Many substances are: • inflammable, easily ignited or explosive • hazardous to health • environmentally unsafe i.e.: dangerous The user alone is responsible for the handling of these substances! The following questions shall help to recognize possible dangers and to reduce the...

  • Page 14: Operating Controls And Functional Elements

    Operating controls and functional elements Operating controls and functional elements Front view Rear view Mains power switch, illuminated VFD COMFORT-DISPLAY Header: Control indicators Line 1: Actual value internal or external The display is depending on the selected control mode in the menu >...
  • Page 15 Control indicators in the header: Heating / Cooling / Alarm / emote control Control indicators in the header: Temperature indication Internal or External actual value Temperature indication in °C or °F Display for the adjusted pump pressure stage in the -OFF- mode. Display for the effective pump pressure stage (rotation speed) after start.
  • Page 16 Socket for external measurement and control sensor or external setpoint programming ext Pt100 Interface RS232 / RS485: remote control via personal computer SERIAL Socket for a precision reference sensor Socket: control cable of JULABO refrigerated circulator or output for alarm messages...
  • Page 17 Option: Electronic module Order No. 8 900 100 The 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 Mains fuses, T16A Mains power cable with plug Cooling coil connectors...

  • Page 18: Preparations

    Preparations Preparations 5.1. Installation • Place the unit on an even surface on a pad made of non-flammable material. • Pump motor and electronics produce intrinsic heat that is dissipated via the venting openings! Never cover these openings! • Do not set up the unit in the immediate vicinity of heat sources and do not expose to sun light The bath cover (1) is mounted on the bath tank with 4 captive screws (2).

  • Page 19: Bath Fluids

    Fire or other dangers when using bath fluids that are not recommended: Use only non-acidic and non-corroding bath fluids. JULABO assumes no liability for damage caused by the selection of an unsuitable bath liquid. Unsuitable bath fluids are fluids which, e.g., •...

  • Page 20: Filling / Draining

    Preparations 5.3. Filling / draining Notice: • Pay attention to the thermal expansion of bath oil during heating to avoid overflowing of the liquid. • Do not drain the bath fluid while it is hot! Recommendation: Temperature range 5 °C to 40 °C Check the temperature of the bath fluid prior to draining (by switching the unit on for a short moment, for example).

  • Page 21: Counter-Cooling

    5.4. Counter-cooling Caution: Securely attach all tubing to prevent slipping. Observe the laws and regulations of the water distribution company valid in the location where the unit is operated. For applications near the ambient temperature, the cooling coil (20) must be connected to the water mains. SERIAL ALARM STAND-BY...

  • Page 22: Operating Procedures

    Operating procedures Operating procedures 6.1. Power connection Caution: • Only connect the unit to a power socket with earthing contact (PE – protective earth)! • The power supply plug serves as safe disconnecting device from the line and must be always easily accessible. •...

  • Page 23: Start - Stop

    6.3. Start - Stop Start: • Press key. The actual bath temperature is displayed on the VFD COMFORT- DISPLAY. The circulating pump starts with a slight delay.  Stop: • Press key. Keep key pressed. The VFD COMFORT-DISPLAY indicates the message "OFF". 6.4.

  • Page 24: Setting Of Temperatures

    Setting of temperatures Setting of temperatures Press the key to call up the menu for temperature selection. 3 different working temperatures can be adjusted. Their values are freely selectable within the operating temperature range.  The temperatures can be set in start or stop mode. Setting of working temperature in the menu 1.
  • Page 25 Warning: The excess temperature protection must be set at least 25 °C below the fire point of the bath fluid used! In case of wrong setting there is a fire hazard! We disclaim all liability for damage caused by wrong settings! SafeTemp: Setting range: 20 °C ...
  • Page 26 Safety installations, warning functions complete shutdown of the heater and pump is effected. The alarm is indicated by optical and audible signals (continuous tone). The following error message appears on the VFD COMFORT-DISPLAY: Press for help on the LCD  ...
  • Page 27 • Setting >WARNING< A mere warning function with optical and audible warning signal (interval tone) A message appears on the VFD COMFORT-DISPLAY: OverTemp SubTemp The LCD –DISPLAY shows the message: • Setting >ALARM< Temperature limit with shutdown of heater and circulating pump. An audible alarm sounds (continuous tone) and a message appears on the VFD COMFORT-DISPLAY: OverTemp...

  • Page 28: Early Warning System, Low Level Protection

    Safety installations, warning functions 8.0.1. Early warning system, low level protection This low level protection is independent of the control circuit and is divided into two sections: . 1. Switch in stage 1 recognizes a critical fluid level DBGM: 20306059.8 An audible warning (interval tone) sounds and a message appears on the VFD COMFORT-DISPLAY.

  • Page 29: Menu Functions

    Menu functions The term „menu functions“ refers to adjustments such as  Menu level 1 Start program Page 31 This menu will start a previously set program. Administration and creation of programs Page 36 Electronically adjustable pump capacity Page 40 The capacity of the circulating pump is set by adjusting the motor speed.
  • Page 30 Menu functions Menu level 1 Adjustable interface parameters Page 55 BAUDRATE, PARITY, HANDSHAKE ATC - Absolute Temperature Calibration, Page 56 Sensor calibration internal sensor, Sensor calibration external sensor 3-point calibration Limitations of temperature and capacity Page 63 Setpoint Max / Min - Maximum and minimum setpoint Heating Max –...

  • Page 31: Start Of A Program

    9.1. Start of a program The start menu of the integrated programmer allows one of six previously stored temperature programs to be called up and started. The profiles are started manually or via the integrated timer.  Requirements: 1. Create a program. (refer to next chapter) 2.
  • Page 32 Menu functions Level 2 Parameter /Value • Set desired parameters with Confirm >now< with the key and the program will start immediately start at the set time under parameter (time ). Set time in the example below: 09. August 2009, 11:15 hrs ...

  • Page 33: Status At The End Of A Program

    9.1.1. Status at the end of a program Program end StdBy , PSetp, 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 to be used if temperature control is continued.

  • Page 34: Editing After Start

    Menu functions 9.1.3. Editing after Start The programmer allows a running program to be edited. Initiation and exit of the editing function: • After the start enter the submenu „3 EDITOR“.by pressing the key See chapter „program administration, creation“ page 36 •...

  • Page 35: Interruption After A Power Failure

    9.1.5. Interruption after a power failure It is possible to operate the programmer safely in case of a power failure. Important: For this, >Autostart< needs to be set in the >Configuration< menu.  If the AUTOSTART function is activated, the programmer starts again at a point approx.

  • Page 36: Program Administration, Creation

    Menu functions 9.2. Program administration, creation The integrated programmer permits fast and easy programming of setpoint temperature sequences. This temperature sequence is called program. A program is composed of individual sections (Step). The sections are defined by duration (t) or Gradient (°/t) and target temperature.
  • Page 37 Editing PrgNr: Set the program you wish to create. 0 ... 5  Setpoint TI : Time [hh:mm] or GRD: Gradient [°/t] = [°/min] Change type of program in MENU >configuration<, menu item >Programmtyp/program type< .  Step 0 … 59 ...
  • Page 38 Menu functions Delete It is possible to delete an entire program or consecutive sections Delete PrgNr: Set the program you wish to delete 0 ... 5 Delete from Step X to Step X (0 … 59)  Press the key if a parameter is to be retained. (prior to OK) ...
  • Page 39 Print Every program can be printed via the serial interface for control and  documentation purposes.  Press the key if a parameter is to be retained. (prior to OK)  Submenu >Print< Level 2 • Set menu item >Print PrgNr.< by pressing •...

  • Page 40: Setting The Pump Pressure

    Menu functions 9.3. Setting the pump pressure  The capacity of the circulating pump is set by adjusting the motor speed  Press the key if a parameter is to be retained. (prior to OK)  Submenu >Pump< Level 2 The set pump stage is displayed.

  • Page 41: Configuration

    9.4. Configuration    Press the key if a parameter is to be retained. (prior to OK) Level 2 Parameter level Remote control via serial interface. Possible parameters: off / on  Switch on and off remote control by pressing ...
  • Page 42 Menu functions Level 2 Parameter level Pump-Mode Possible parameters: P. on / P. off • Switch on and off >Off-Mode by pressing P.on continuous operation of circulating pump P.off circulating pump is linked to Start/Stop ActVar - actuating variable Possible parameters: control, Eprog, serial ...
  • Page 43 Level 2 Parameter level Reset • Return to factory settings by pressing  >Reset?< returns all set values to the factory setting except for date and time.  A RESET can be effected only in the – OFF- mode.  During the message >Running <...

  • Page 44: Remote Control Via The Serial Interface

    Menu functions 9.4.1. Remote control via the serial interface Factory setting: off Setpoint is set via the serial RS232/RS485 interface through a PC or superordinated data system. In the header of the VFD COMFORT-DISPLAY, an “ ” illuminates. It indicates that remote control mode is active. ...

  • Page 45: Autostart

    - Autostart off (Factory setting) Note: The circulator 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).

  • Page 46: Actvar - Actuating Variable

    Menu functions 9.4.5. ActVar - actuating variable The variable (ACTuating VARiable) corresponds to the extent to which the heater or cooling unit of the circulator is controlled. Heat or cold is applied to the bath according to this variable. If this happens with the control electronics of the circulator, called >...

  • Page 47: Setting Of Clock And Date

    9.4.6. Setting of clock and date The internal real time clock allows starting a program any time. The clock is set to the local mean time (MEZ) at the factory.  If the unit is operated in a different time zone, the clock can be adjusted in this menu.

  • Page 48: C-Sensor - Precision Reference Sensor

    Menu functions 9.4.11. C-Sensor - Precision reference sensor Temperature measurement with a precision reference sensor Precision reference sensor for applications in quality assurance, Factory setting: no calibration services and laboratories. Possible parameters: yes – Temperature measurement with a precision reference sensor SERIAL •...

  • Page 49: Control

    9.5. Control The circulator is designed for internal and external temperature control. This can be switched in this submenu. Only the set of parameters corresponding to the particular setting is displayed. Control internal Control external   For external temperature control and measurement connect a Pt100 external sensor to the socket at the rear of the circulator.
  • Page 50 Menu functions Control Type internal Parameter-Level • The value flashes. Set by using the numeric keypad and confirm by pressing Example: Setting range: 0.1 … 99.9 K • The value flashes. Set by using the numeric keypad and confirm by pressing Setting range: 3 …...

  • Page 51: Control Internal / External

    9.5.1. Control internal / external  The control type can be adjusted in the -OFF- mode only. Possible parameters: intern internal temperature control extern external temperature control with external Pt100 sensor IMPORTANT: Additional measures for external temperature control. ext.  Connect a Pt100 sensor to the socket on the rear of the circulator.

  • Page 52: Selftuning

    Menu functions 9.5.2. Selftuning When performing a selftuning for the controlled system (temperature application system), the control parameters Xp, Tn and Tv are automatically determined and stored. Possible parameters: off - no selftuning The control parameters ascertained during the last identification are used for control purposes.

  • Page 53: Cospeed - Extern

    9.5.4. CoSpeed - extern CoSpeed: This parameter affects the temperature pattern only in case of external control. Possible parameters: 0 ... 5 During selftuning, the control parameters Xp, Tn, °C Int. temperature and Tv of a controlled system are automatically determined and stored.
  • Page 54 Menu functions Optimization instructions for the PID control parameters: optimum setting The heat-up curve reveals inappropriate control °C settings. Inappropriate settings may produce the following heat-up curves: Xp too low Tv/Tn too low °C °C Xp too high or Tv too high Tv/Tn too high or Xp too high °C °C...

  • Page 55: Serial Interface

    9.6. Serial Interface For communication between the circulator and a PC or a superordinated Factory settings: process system, the interface parameters of both units must be identical. 4800 Baud even The adjustment is usually carried out one time only in the >Interface serial< hardware handshake menu.

  • Page 56: Atc Absolute Temperature Calibration, 3-Point Calibration

    Menu functions 9.7. ATC Absolute Temperature Calibration, 3-point calibration ATC is used to compensate for a temperature difference between the circulator and a defined measuring point in the bath tank that may develop for physical reasons. internal external Principle: For ATC calibration, in steady state the bath temperature at the location Example: of the temperature sensor (CT) is determined at the respective adjusted 1-point calibration...
  • Page 57   Press the key if a parameter is to be retained. (prior to OK)  Level 2 Parameter-Level • The parameter flashes, switch by pressing   The parameter flashes, switch by pressing  >no< Carry out an ATC calibration ...
  • Page 58 Menu functions The value >TmpValue< is only indicated  In addition the measured temperature value >CalValue X< is saved during the next step.  • The value flashes. Set by using the numeric keypad and confirm by pressing   If only a 2-point calibration is carried out, the following menu items are not indicated anymore The value >TmpValue<...

  • Page 59: Atc Fühler - Intern / Extern

    9.7.1. ATC Fühler - intern / extern In the first submenu the ATC function is set for the >intern< internal or the >extern< external temperature sensor. Calibration can be carried out for the internal temperature sensor and for the external temperature sensor connected to the socket „ext. Pt100“. The circulator is able to save both parameter sets.

  • Page 60: Example: 3-Point Calibration For Internal Control

    Menu functions 9.7.4. 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 circulator to internal control: ...
  • Page 61 The value >TmpValue< is only indicated.  In addition the measured temperature value >CalValue X< is saved during the next step.  • The value flashes. Set by using the numeric keypad and confirm by pressing  Return to 2. Set working temperature value: 120.00 °C The value >TmpValue<...

  • Page 62: Limits

    Menu functions 9.8. Limits The >Limits< menu allows the minimum and maximum values to be set for all important setting ranges and capacity variables. Control internal Control external   Press the key if a parameter is to be retained. (prior to OK). ...

  • Page 63: Limits For Internal Control And External Control

    • The parameter flashes. Set by using the numeric keypad and confirm by pressing  • The parameter flashes. Set by using the numeric keypad and confirm by pressing  • The parameter flashes. Set by using the numeric keypad and confirm by pressing ...

  • Page 64: Limits For External Control

    Menu functions 9.8.2. Limits for external control INTERN MAX / MIN Restriction for the temperature range of the internal bath. Setting range: -94,9 °C ... +300,0 °C The limits IntMax and IntMin are only active in external control. IntMax and IntMin determine fixed limits for the temperature within the internal bath.

  • Page 65: Analog Inputs/Outputs

    9.9. Analog inputs/outputs If the electronic module is not fitted, the item >inputs/outputs< will be missing in the menu.  In order to use the analog inputs and outputs, the circulator must be equipped with the electronic module, which is available as option. Order No.
  • Page 66 Menu functions Level 2 Level 3 Parameter-level Select the scale for channel 1. • The value flashes. Set by using the numeric keypad and confirm by pressing • The value flashes. Set by using the numeric keypad and confirm by pressing Define the output value for channel 2.
  • Page 67 Level 2 Level 3 Parameter-level Select the scale for channel 3. • The value flashes. Set by using the numeric keypad and confirm by pressing • The value flashes. Set by using the numeric keypad and confirm by pressing Possible parameters: 0-20 mA, 4-20 mA •...
  • Page 68 Menu functions Level 2 Level 3 Parameter-level • The value flashes. Set by using the numeric keypad and confirm by pressing • The value flashes Set by using the numeric keypad and confirm by pressing  The value >setpoint< is only indicated. (Parameter Level) Possible parameters: inactive, active •...

  • Page 69: Outputs Of The Connector - Reg+E-Prog

    9.9.1. Outputs of the connector - REG+E-PROG Outputs of the connector 1. First define the desired output value for channels 1 to 3: ActInt internal actual temperature value (bath temperature) ActExt external actual temperature value (external sensor) Power periodic or intermittent heating or cooling Setpoint active setpoint temperature (setpoint 1, 2, 3/integr.

  • Page 70: Input Of The Connector - Reg+E-Prog

    Menu functions 9.9.2. Input of the connector - REG+E-PROG E-PROG - Input Setting is necessary if Menu >Configuration< 1. the Setpoint is to be set via an external voltage or current source or programmer For this, in the menu >Configuration<, first set the menu item >Setpoint<...
  • Page 71  After returning the LCD display to standard display by pressing the , the temperature value adjusted and set on the external voltage or current source is displayed in line 1 (Example: Eprog 50.00 °C). This EPROG input enables the use of different voltage and current values as program parameters.

  • Page 72: External Stand-By Input

    Menu functions 9.9.3. External Stand-by input Ext. StBy (External STAND-BY input) Stand-By input for external switch-off. Possible parameters: inactive - Stand-By input is ignored active - Stand-By input is active Activate the standby input: 1. Under menu item >Ext. StBy<, set the parameter to >active<. 2.

  • Page 73: Alarm-Output

    9.9.4. Alarm-output Alarm output (10) (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. Meaning of the terms under menu item >Function< : ALARM The circulator is in condition >StandBy<...

  • Page 74: Troubleshooting Guide / Error Messages

    The float is defect (e. g., because damaged in transit). Repair by authorized JULABO service personnel. During the self-test after switch-on a short-circuit is registered between pin 2 and pin 4 of the control cable or the control cable is interrupted during operation.
  • Page 75 Defect of the working or excess temperature sensor. The working temperature and excess temperature sensors report a temperature difference of more than 35 K. Other errors (I C-BUS errors) Error in A/D converter Excess temperature sensor is defective. The safety temperature is below the working temperature setpoint. Set the safety temperature to a higher value.
  • Page 76 Replenish the bath tank with bath fluid. After eliminating the malfunction, turn 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 center. Special message “CONFIGURATION ERROR”...

  • Page 77: Electrical Connections

    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.
  • Page 78 8 900 110 USB interface adapter cable / Control output The connector may only be used for control of a JULABO refrigerated circulator or JULABO MVS Solenoid valve controller for cooling water. Pin assignment: Signal (only with attached JULABO equipment) +24 V (I max.
  • Page 79 Programmer input / temperature recorder output Signal 1 Voltage output Channel 1 0 ... 10 V 2 Voltage output Channel 2 0 ... 10 V 3 GND for outputs REG+E-PROG 4 Programmer input EPROG 0 to 10 V / 0 to 20 mA 5 Current output Channel 3 0 to 20 mA / 4 to 20 mA...

  • Page 80: Remote Control

    Remote control 12. Remote control 12.1. Setup for remote control 1. Check the interface parameters for both interfaces (on the circulator and PC) and make sure they match. In the >Interface< menu, set the menu item >Type< to >RS232< or SERIAL >RS485<.

  • Page 81: List Of Commands

    Important times for a command transmission: To ensure secure data transfer, the time gap between two commands  should be at least 250 ms. The circulator automatically responds to an in command with a data string followed by an LF (Line Feed). The next command should be sent only after 10 ms.
  • Page 82 Remote control Command Parameter Response of 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 83 IN commands: Asking for parameters or temperature values to be displayed. Command Parameter Response of circulator VERSION None Version number of the software (V X.xx) STATUS none Status message, error message (see page 85) IN_PV_00 none Current bath temperature. IN_PV_01 none Heating power being used (%).
  • Page 84 Remote control Command Parameter Response of circulator IN_PAR_08 none Tv control parameter of the internal controller. IN_PAR_09 none Xp control parameter of the cascade controller. IN_PAR_10 none Proportional share of the cascade controller. IN_PAR_11 none Tn control parameter of the cascade controller. IN_PAR_12 none Tv control parameter of the cascade controller.

  • Page 85: Status Messages

    12.4. Status messages Status messages Description 00 MANUAL STOP Circulator in „OFF“ state. 01 MANUAL START Circulator in keypad control mode. 02 REMOTE STOP Circulator in „r OFF“ state. 03 REMOTE START Circulator in remote control mode. 12.5. Error messages Error messages Description -01 LOW LEVEL ALARM...

  • Page 86: Installation Of Electronic Module With Analog Connectors

    Installation of electronic module with analog connectors Error messages Description -20 WARNING: CLEAN CONDENSOR Cooling of the condenser is impaired. OR CHECK COOLING WATER Clean air-cooled condenser. CIRCUIT OF REFRIGERATOR Check the flow rate and cooling water temperature for a water-cooled condenser.

  • Page 87: Julabo Service - Online Remote Diagnosis

    14. JULABO Service – Online remote diagnosis JULABO circulators of the HighTech 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.

  • Page 88: Cleaning / Repairing The Unit

    The circulator is designed for continuous operation under normal conditions. Periodic maintenance is not required. The tank should be filled only with a bath fluid recommended by JULABO. To avoid contamination, it is essential to change the bath fluid from time to time. Repairs...

  • Page 89: Warranty Provisions

    16. WARRANTY PROVISIONS The following Warranty Provisions shall apply to products sold in North America by Julabo (“Seller”) to the entity shown as buyer (“Buyer”) on Seller’s invoice. Initial Warranty. Upon Seller’s receipt of payment in full for the products and subject to Buyer’s...
  • Page 90 WARRANTY PROVISIONS CONSEQUENTIAL DAMAGES TO BUYER OR ANY THIRD PARTY AND ALL SUCH DAMAGES ARE HEREBY DISCLAIMED. Assignment. Buyer shall not assign any of its rights or obligations hereunder without the prior written approval of Seller; provided, however, that if Buyer is a distributor of Seller, the rights and obligations of Buyer under these Warranty Provisions shall inure to the benefit of and be binding upon Buyer’s customers who provide the product’s proof of purchase to Seller pursuant to the terms set forth herein.

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