Julabo HT60-M2 Operating Manual
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Julabo HT60-M2 Operating Manual

High temperature circulator
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Operating Manual
High Temperature Circulator
HT60-M2
HT60-M3
C.U.-cooling unit
Forte HT with cooling unit
1.953.3727-V1 us
01/14
Version: V 4.01-J
JULABO USA, Inc.
884 Marcon Boulevard  Allentown, PA 18109
Phone: +1(610) 231-0250
Fax: +1(610) 231-0260
info @ julabo.com
www.julabo.com
19533727-V1.docx
Print date: 13.01.14

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Summary of Contents for Julabo HT60-M2

  • Page 1 High Temperature Circulator HT60-M2 HT60-M3 C.U.-cooling unit Forte HT with cooling unit 1.953.3727-V1 us 01/14 Version: V 4.01-J JULABO USA, Inc. 884 Marcon Boulevard  Allentown, PA 18109    Phone: +1(610) 231-0250 Fax: +1(610) 231-0260 info @ julabo.com www.julabo.com...
  • 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

    HT60-M2 / HT60-M3 TABLE OF CONTENTS OPERATING MANUAL ........................5 INTENDED USE ........................5 1.1. Description ........................5 OPERATOR RESPONSIBILITY – SAFETY INSTRUCTIONS ............ 6 2.1. Disposal ........................7 2.2. Technical specifications ....................8 2.3. Cooling water connection .................... 11 OPERATING CONTROLS AND FUNCTIONAL ELEMENTS ...........
  • Page 4 TROUBLESHOOTING GUIDE / ERROR MESSAGES ............54 10. ELECTRICAL CONNECTIONS ....................56 11. REMOTE CONTROL ......................58 11.1. Setup for remote control ..................... 58 11.2. Communication with a PC or a superordinated data system ........59 11.3. List of commands......................60 11.4.

  • Page 5: Operating Manual

    Operating manual Intended use The High Temperature Circulators HT60-M2 and HT60-M3 are to be employed especially for closed tempering circuits in the laboratory, the technical institution or the production, like e.g. for distillation plants, reaction vessels, autoclaves, injection moulding tools.

  • 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

    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 corresponding safety instructions. Also observe the pin assignment of plugs and technical specifications of the products.

  • Page 8: Technical Specifications

    Operator responsibility – Safety instructions 2.2. Technical specifications HT60-M2 HT60-M2 & C.U. Working temperature range °C 70 ... 400 40 … 400 Temperature stability external °C ±0,01 ... ±0.1 Display accuracy ±0.5 ±1Digit Temperature selection digital via keypad indication on LCD DIALOG-DISPLAY (°C/°F)
  • Page 9 HT60-M2 / HT60-M3 HT60-M3 HT60-M3 & C.U. Working temperature range °C 70 ... 400 40 … 400 Temperature stability external °C ±0,01 ... ±0.1 Display accuracy ±0.5 ±1Digit Temperature selection digital via keypad indication on LCD DIALOG-DISPLAY (°C/°F) remote control via PC...
  • Page 10 Operator responsibility – Safety instructions Electrical connections: Computer interface RS232 or RS485 or Profi Programmer input 0 - 10 V / 0 - 20 mA Temperatur recorder outputs Channel 1 / 2 0 - 10 V / Channel 3 0 - 20 mA / 4 - 20 mA Stand-by input External alarm device Switching capacity max.

  • Page 11: Cooling Water Connection

    HT60-M2 / HT60-M3 2.3. Cooling water connection Cooling water pressure (IN / OUT ) max. 4.5 bar Difference pressure (IN - OUT ) 2.0 to 4.5 bar Rate of flow typical 2 l/min Cooling water temperature <20 °C Notice: Danger of corrosion of heat exchanger due to unsuitable quality of cooling water.

  • Page 12: Operating Controls And Functional Elements

    Operating controls and functional elements Operating controls and functional elements M2 or M3 – control electronic °C Mains power switch, illuminated Start / stop key Working temperature T Key for automatic filling and aeration High temperature warning limit Low temperature warning limit Safety temperature Adjustable excess temperature protection (safety temperature) Control type: internal/external control...
  • Page 13 HT60-M2 / HT60-M3 MULTI-DISPLAY (LED) temperature indication Display of internal/external actual value Indicator lights: Temperature indication - external actual value Alarm / Cooling / Heating DIALOG-DISPLAY (LCD) for indication of: Line 1: Setpoint Line 2: Internal or external actual value...
  • Page 14 Operating controls and functional elements Rear view SERIAL REG+E-PROG STAND-BY ALARM HT60 MADE IN GERMANY Interface RS232/RS485 SERIAL Programmer input and temperature recorder output REG+E-PROG Stand-by input (for external emergency switch-off) STAND-BY Alarm output (for external alarm signal) ALARM Control exit Connector for control cable of circulator HT60 M2 –...

  • Page 15: Ht60 High Temperature Circulator With C.u.-Cooling Unit (Option)

    HT60-M2 / HT60-M3 HT60 High Temperature Circulator with C.U.-cooling unit (option) Front view: Cold zone HT60 Cooling zone Heating zone Rear view: Presentation: Cooling unit divided from HT60...
  • Page 16 Operating controls and functional elements Stand rod attachment with mouting screw; ∅12; M8 Connector for liquid level indicator or second expansion vessel; M16x1 / ∠37° Drain plug for bath liquid; M16x1 43/43a Expansion vessel / Connector for expansion vessel; M16x1 (When filling it serves as funnel) Cooling water connectors at the HT60, M12 / ∠37°...

  • Page 17: Safety Notes For The User

    HT60-M2 / HT60-M3 Safety notes for the user 4.1. Explanation of safety notes In addition to the safety warnings listed above, warnings are posted throughout the manual. These warnings are designated by an exclamation mark inside an equilateral triangle. “Warning of a dangerous situation (Attention! Please follow the documentation).”...
  • Page 18 Safety notes for the user • Employ suitable connecting tubing. • Avoid sharp bends in the tubing, and maintain a sufficient distance from surrounding walls. • Make sure that the tubing is securely attached. • Regularly check the tubing for material defects (e.g. for cracks). •...
  • Page 19 HT60-M2 / HT60-M3 Notice: Check the safety installations at least twice a year! • Excess temperature protection according to IEC 61010-2-010 With a screw driver turn back the adjustable excess temperature protection until the shut- down point (actual temperature). •...

  • Page 20: Preparations

    Place the unit in an vertical position. • A wall distance of at least 15 cm must be maintained for ventilation, allowing internal heat to be conducted away from the unit. JULABO Order-No. 9790100 C.U. cooling unit M2 or M3 remote control electronics: •...

  • Page 21: Installation

    HT60-M2 / HT60-M3 5.2. Installation Caution: Installation of the C.U.-unit / Installation of the magnetic valve • Always turn off the unit and disconnect the mains cable (38) from the power source before installing the unit. • The control cable with plug (56) of the C.U.-cooling unit or the magnetic valve always have to be connected or disconnected in absence of current.
  • Page 22 Preparations Installation of the magnetic valve JULABO Order-No. 8 980 704 3 Magnetic valve • Fix the expansion tank (43) to the connection (41) (open end wrench SW19) • Screw the magnetic valve to the entry for cooling water (45). Respect the flow direction (arrow) Connect the cooling water to the magnetic valve and to the outflow of cooling water (44) by means of tubes 8 mm ID.

  • Page 23: 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 24: Tubing

    • Burning of people’s skin • Difficulties in breathing due to hot atmosphere JULABO supplies the metal tubes with assembly instructions (No. 1.950.0013). There all the instruction for assembly are indicated. They absolutely have to be respected. Safety recommendations •...

  • Page 25: Power Connection

    1. Connect control cable (55) with control exit (35) of the control electronics M2 / M3 and latch the saftey loop. Lengthening piece for control cable, 5 m - JULABO Order-No. 8 980 125 2. If available screw the C.U.-cooling unit tightly to the control exit (56a) of the HT60 by means of the control cable (56).
  • Page 26 Preparations Filling 1. Attach a tube at the overflow nozzle (48) and lead it into a suitable vessel. 2. Remove the screw plugs from the pump connection (50, 51) and connect it to the external system by means of metal tubes (open end wrench SW19) 3.

  • Page 27: Degasifying

    HT60-M2 / HT60-M3 5.7. Degasifying During the filling process the pump fluidizes air bubbles into the tempering liquid. In the automatic degasifying mode those and other light solvent substances are slowly drained from the oil via the breather tube. Notice: In the automatic degasifying mode the breather tube between heating and cooling zone is opened again and again.
  • Page 28 Preparations 9. The DIALOG-DISPLAY (LCD) shows the standard indication, the Setp.: 250.00°C IntAct: 250.00°C circulator regulates to the last adjusted setpoint (in the example 250 Power 50 % °C) with the last adjusted control parameters. Control: intern The circulator is ready for use! Stopping the degasifying: •...

  • Page 29: Countercooling

    HT60-M2 / HT60-M3 5.8. Countercooling Caution: Securely attach all tubing to prevent slipping. From a working temperature of 200°C on always work with counter-cooling. On the HT60-circulator we distinguish two different cooling devices: (Cooling water see page 11) 1. A cooling coil in the cooling zone for cooling water.

  • Page 30: Operating Procedures

    The unit performs a self-test. All segments of the 5-digit MULTI-DISPLAY (LED), all indicator lights and the DIALOG-DISPLAY (LCD) will illuminate. Then the software version (example: V 4.01-J) appears. The display JULABO "OFF" indicates the unit is ready to operate (standby mode). HT-30/60 Controller The high temperature circulator enters the operating mode activated V 4.01-J...

  • Page 31: Manual Operation

    HT60-M2 / HT60-M3 Manual operation 7.1. Start - Stop Start: • Press the start/stop key The MULTI-DISPLAY (LED) indicates the actual bath temperature. (example: 21.03 °C) Stop: • Press the start/stop key The MULTI-DISPLAY (LED) indicates the message "OFF". The unit also enters the safe operating state "OFF" or "r OFF after a mains power interruptance.

  • Page 32: Warning Functions

    Manual operation 7.3. Warning functions More protection for your samples in the bath!  )) )) )) An audible signal sounds in intervals when the actual temperature value exceeds one of the set limits (patented). Setting the high temperature limit: Overtmp:305.00°C ExtAct: xxxxxx°C ...

  • Page 33: Setting The Safety Temperature (With Shutdown Function)

    HT60-M2 / HT60-M3 7.4. Setting the safety temperature (with shutdown function) (excess temperature protection) • Press the key to indicate the safety temperature value on the MULTI- DISPLAY and using a screwdriver simultaneously turn the setting screw to the desired value (example: 250 °C).

  • Page 34: Internal / External Control

    Manual operation 7.5. Internal / external control The High Temperature Circulator offers the possibility of internal temperature control in a primary bath vessel or external control directly in an external system. Setup for external control: Connect a Pt100 sensor to the socket „EXT“ of the programmable controller, if necessary perform a calibration using the „ATC Ext:“...

  • Page 35: Menu Functions

    HT60-M2 / HT60-M3 Menu functions • Press the MENU key to enter the menu level. • Use the up/down cursor keys to select the desired submenu and press enter • Press escape to return to the previous menu level.

  • Page 36: Configuration

    Menu functions 8.1. Configuration By means of the configuration functions, operation of the High Temperature Circulator can be optimized for the current application. >Configuration • Press enter to select the configuration submenu. Control param. Profile Start Configuration Int.Programmer • Use the up/down cursor keys >Identif.
  • Page 37 Note: The M2 / M3 control electronic 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). This safe operating state is indicated by „OFF“...
  • Page 38 Menu functions Warning: For supervised or unsupervised operation with the AUTOSTART function, avoid any hazardous situation to persons or property. The High Temperature Circulator does no longer conform to N.A.M.U.R. recommendations. Take care you fully observe the safety and warning functions of the programmable controller.

  • Page 39: Control Parameters

    HT60-M2 / HT60-M3 8.2. Control parameters When performing an identification for the controlled system (temperature applications system) (see page 36), the control parameters Xp, Tn, and Tv will be automatically determined and stored. Each parameter may be manually set via the keypad if necessary, to Configuration allow optimum control performance.
  • Page 40 Menu functions Note: The parameters >Xpu<, >CoSpeed< and >Dynamik< are only supported from the programme version V4 xx. JULABO If the control electronics (V 4.xx) M2 respectively M3 is HT-30/60 combined with an older version of the HT60 circulators, these Controller parameters are not available.
  • Page 41 HT60-M2 / HT60-M3 Optimization instructions for the PID control parameters: °C The heat-up curve reveals inappropriate control settings. (example: working temperature T) optimum setting Inappropriate settings may produce the following heat-up curves: °C Xp too low °C Tv/Tn too low °C...

  • Page 42: Start Of A Profile

    Menu functions 8.3. Start of a profile The start menu of the High Temperature Circulator allows calling up and defined starting of one of six previously stored temperature profiles. This start can be effected manually or be released by an integrated timer. Important: Configuration In the menu configuration under menu point „setpoint“...
  • Page 43 HT60-M2 / HT60-M3 • When selecting the parameter time, a new menu level is called up for entry of the start time. A flashing segment indicates that a start time needs to be entered. hour.min Start time Example: hour.min 6:00 h Day.Mon...

  • Page 44: Interrupting A Profile

    Menu functions 8.3.1. Interrupting a profile Interrupting a profile: Setp. : xx.xx°C IntAct: xx.xx°C Press the start/stop key to interrupt or restart a profile. Prof. : x Stp: x Remain: xx:xx:xx *** pause *** The setpoint and time period set for the corresponding section are thus stopped at the values presently achieved.

  • Page 45: Integrated Programmer

    Setting the clock Edit Delete The integrated clock provides the flexibility to start a profile at any date Print and time. The clock is preset at the JULABO factory. >Set Clock • Lines 1 to 3: >hour.min 11:09 Check for correctness of the preset date and time and correct if Day.mon...
  • Page 46 Menu functions Edit Int.Programmer >Edit Delete Compile profiles: Print Set Clock >Edit Profile: 1 • A flashing segment indicates that a number needs to be entered. Step: Under submenu „Edit Profile“ enter a profile number. Setp: 100.00°C Time[h.m] 01:05 Six profiles may be stored (nos. 0 to 5). Examples: •...
  • Page 47 HT60-M2 / HT60-M3 Int.Programmer Delete Edit >Delete Print • A flashing segment indicates that the respective profile number Set Clock >Delete Prof. needs to be entered in which one or more consecutive sections are from Step to be deleted. to Step delete •...

  • Page 48: Analog Inputs/Outputs

    Menu functions 8.5. Analog inputs/outputs This submenu enables setting of the input and output values for the programmer input and the temperature recorder outputs of socket REG+E-PROG (31). • Press enter to select the inputs/outputs submenu. • Use the up/down cursor keys to select the desired option and press enter to open.
  • Page 49 HT60-M2 / HT60-M3 Examples: lowest temperature value: 10 °C highest temperature value 210 °C Fig. shows 200 °C scaled to paper width 10 °C 210 °C rise: 50 mV/°C ∆ Τ = 200 K 197 °C 202 °C lowest temperature value: 197 °C...
  • Page 50 Menu functions Example: • Setting a temperature of 50 °C on the external programmer! >EPROG: Current L Value 0.0°C The value adjusted and set on the external programmer is displayed in H Value 300.0°C line 4 of the DIALOG-DISPLAY (LCD) for control purposes (Example: ExtSet 50.0°C ExtSet: 50.0 °C).

  • Page 51: Limits

    HT60-M2 / HT60-M3 8.6. Limits The limits IntMax and IntMin are only valid under external control (see 7.5. Internal / external control) They restrict the temperature of the internal bath to the desired maximum/minimum, also if the controller Inputs/Outputs would require a higher/lower temperature for the external system. As a >Limits...

  • Page 52: Interface

    Menu functions 8.7. Interface The interface parameters are set by selecting the submenu „Interface“ Inputs/Outputs on the programmable controller. Normally, this is a one-time-only Limits adjustment. >Interface Temp.Sensor • Press enter to select the submenu „Interface“. Interface >Type RS232 Baudrate 4800 •...
  • Page 53 HT60-M2 / HT60-M3 ATC Int: ATC serves to compensate a temperature difference that might occur between circulator and a defined measuring point in the bath tank Circulator (T because of physical properties. Measuring point (T • The difference temperature (∆T = T ) is determined and stored as compensating value (example ∆T = -0.8 °C).

  • Page 54: Troubleshooting Guide / Error Messages

    • The float is defect (e. g., because damaged in transit). Repair by authorized JULABO service personnel. • Failure of one or both temperature sensors of the CU-unit. • The cooling water temperature value lies below 5 °C.
  • Page 55 ⇒ After eliminating the malfunction, press the mains power switch off and on again to cancel the alarm state. • If the unit cannot be returned to operation, contact an authorized JULABO service station. Mains Fuses M2, M3: • Mains circuit breakers (resettable) for the circulator (16 A) and the CU-unit (4 A) on the rear of the housing are safety machines.

  • Page 56: Electrical Connections

    Electrical connections 10. Electrical connections Notice: Use shielded cables only. The shield of the connecting cable is electrically connected to the plug housing. RS232/RS485 serial interface (30) This port can be used to connect a computer with an RS232 or RS485 cable for remote control of the circulator.
  • Page 57 HT60-M2 / HT60-M3 STAND-BY input (32) (for external emergency switch-off) Pin assignment: Signal not connected 5 V / DC Use shielded cables only. Activate the stand-by input: • Under menu item Stand-by, set the parameter to „yes“ (see page 38).

  • Page 58: Remote Control

    Remote control Socket for external Pt100 sensor (19) Pin assignment: Signal Shield Plug Pt100 The shield of the connecting cable is electrically connected to the plug housing and the sensor tube. Look on soldering side. 11. Remote control 11.1. Setup for remote control Select the „Configuration“...

  • Page 59: Communication With A Pc Or A Superordinated Data System

    - TERMINAL.EXE (included with MS-Windows). • Easy Temp control software – allows programming, viewing, and recording of temperature and time dependent processes when using a single JULABO instrument. Download free of charge from www.julabo.com or Julabo Order No. 8 901 102.

  • Page 60: List Of Commands

    Remote control 11.3. List of commands When the RS485 interface is used, the instrument address stands in front of each command (Axxx_). in-commands: Asking for parameters or temperature values to be displayed. Command Parameter Response of circulator version none Number of software version (V X.xx) status none Status message, error message (see page 63)
  • Page 61 HT60-M2 / HT60-M3 in-commands: Asking for parameters or temperature values to be displayed. Command Parameter Response of circulator in_mode_03 none Type of the programmer input: 0 = Voltage 0 V to 10 V 1 = Current 0 mA to 20 mA...
  • Page 62 Remote control out commands: Setting parameters or temperature values. Command Parameter Response of circulator out_mode_02 No identification. Temperature control by using the stored parameters. out_mode_02 Single identification of controlled system after the next start. out_mode_02 Continual identification of controlled system whenever a new setpoint is to be reached.

  • Page 63: Status Messages / Error Messages

    HT60-M2 / HT60-M3 Command Parameter Response of circulator out_par_14 xxx.xx Minimum internal temperature in case of cascade control An adjustment of these values via a serial interface only makes sense, if Configuration >Identif. the parameter for the identification is on >off<.
  • Page 64 Remote control Error messages Description -12 TEMPERATURE MEASUREMENT ALARM Error in A/D converter. -13 WARNING : VALUE EXCEEDS Value lies outside the adjusted range for the high and low TEMPERATURE LIMITS temperature warning limits. But value is stored. -14 TEMPERATURE/LEVEL ALARM Safety temperature alarm -15 EXTERNAL SENSOR ALARM External control selected, but external Pt100 sensor not...

  • Page 65: Cleaning / Repairing The Unit

    Before applying a cleaning or decontamination method different from the one recommended by JULABO, the user has to make sure with the manufacturer, that the planned method does not damage the unit. The circulator is designed for continuous operation under normal conditions. Periodic maintenance is not required.

  • Page 66: Warranty Provisions

    WARRANTY PROVISIONS 13. 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 67 HT60-M2 / HT60-M3 INCIDENTAL OR 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...

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