Subscribe to Our Youtube Channel
Related Manuals for Julabo MV-4
Summary of Contents for Julabo MV-4
- Page 1 Circulators MV-4/ MV-6/ MV-12/ MV-26 MW-4/ MW-6/ MW-12/ MW-26 MW-Z 1.951.1402BE2 01/03 19511402.doc...
- 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 principles of operating and possibilities of our circulators. For optimum utilization of all functions, we recommend that you thoroughly study this manual prior to beginning operation.
-
Page 3: Table Of Contents
MV / MW TABLE OF CONTENTS 1. .Operating controls and functional elements............4 2. .Quality Management System................6 3. .Unpacking and checking..................6 4. .Description ......................6 5. .Preparations ......................7 5.1. Installation....................7 5.2. Bath liquids and tubing................7 5.3. -
Page 4: Operating Controls And Functional Elements
Operating controls and functional elements Operating controls and functional elements Rear view 20a MV Feed Return 20b MW Suction pump Pressure pump... - Page 5 MV / MW Mains power switch, illuminated Start / stop key Working temperature T1 Working temperature T2 High temperature warning limit Low temperature warning limit Safety temperature Adjustable excess temperature protection (safety temperature) MULTI-DISPLAY (LED) temperature indication Cursors left/right Edit keys (increase/decrease setting) Enter key (store) Indicator light - Alarm Indicator light - Cooling (not operational)
-
Page 6: Quality Management System
The form required for filing such a claim will be provided by the carrier. Description The JULABO circulators are suitable for temperature application to liquids in a bath tank. The main functional elements are the heater, circulation pump, and control electronics. -
Page 7: Preparations
MV / MW Preparations 5.1. Installation Heating circulators Place the circulator in an upright position. Bridge mounted circulator Place the bath tank in an upright position. Adjust the bridge to width of the bath tank and place it on the bath tank. Bridge is extendable from 310 mm to 660 mm. -
Page 8: Filling / Draining
Preparations Recommended tubing: Temperature range CR tubing -20 °C to +120 °C Viton tubing -50 °C to +200 °C 5.3. Filling / draining Filling Take care that no liquid enters the interior of the circulator. Recommended maximum filling level with water as •... -
Page 9: Countercooling
MV / MW 5.4. Countercooling For applications near the ambient temperature, the cooling coil must be connected to the water mains. Using tubing, connect the cooling coil (25a) to the tap water supply, and lead the tap water in a sink through the return connector (25b). -
Page 10: Temperature Application To External Systems
Preparations NOTE: Flow-through cooler Order No. Description 9 655 825 FD200 The FD200 is suitable as cooling device for liquids in closed circuits (loops). This unit is integrated in the return flow circuit from the external system connected to a circulator, and continuously withdraws heat from the liquid. - Page 11 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 (24a) will be then regulated by a built-in float device.
-
Page 12: Adjusting The Pump Flow
Preparations 5.6. Adjusting the pump flow The pump flow is pre-adjusted in the factory and can be modified to suit user requirements. • Using a screwdriver turn the screw (1) anti-clockwise by 360 °. • Using flat pliers turn the marking of the slide (2) to the desired position. -
Page 13: Operating Procedures
MV / MW Operating procedures 6.1. Power connection Connect the unit only to a grounded mains power socket! We disclaim all liability for damage caused by incorrect line voltages! Check to make sure that the line voltage matches the supply voltage specified on the identification plate. Deviations of ±10 % are permissible. - Page 14 NOTE: The circulator 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 15: Setting The Temperatures
MV / MW Warning: For supervised or unsupervised operation with the AUTOSTART function, avoid any hazardous situation to persons or property. The circulator does no longer conform to N.A.M.U.R. recommend- ations. Take care you fully observe the safety and warning functions of the circulator. -
Page 16: Warning Functions
Operating procedures 6.4. 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: ... -
Page 17: Setting The Safety Temperature (With Shutdown Function)
MV / MW 6.5. Setting the safety temperature (with shutdown function) (excess temperature protection / low liquid level protection) These safety installations are independent of the control circuit. When the temperature of the bath liquid has reached the safety temperature or the liquid level is ... -
Page 18: Troubleshooting Guide / Error Messages
• The float is defect (e. g., because Repair by authorized • damaged in transit). JULABO service personnel. • The safety temperature value lies Set the safety • below the working temperature temperature to a higher setpoint. - Page 19 If the unit cannot be returned to operation, contact an authorized JULABO service station. If the error message "Configuration Error" appears, contact an authorized JULABO service station. Disturbances that are not indicated. Pump motor overload protection • The pump motor is protected against overloading.
-
Page 20: Safety Recommendations
Safety recommendations Safety recommendations Follow the safety recommendations to prevent damage to persons or property. Further, the valid safety instructions for working places must be followed. Connect the unit only to a grounded mains power socket! Observe the flash point of the bath medium used. The excess temperature protection should be set at least 20 °C below the fire point. -
Page 21: Atc - Absolute Temperature Calibration
MV / MW ATC - Absolute Temperature Calibration ATC serves to compensate a temperature difference that might occur between circulator and a defined measuring point in the Circulator (T bath tank because of physical properties. The difference temperature is determined (ΔT= T and stored as correcting factor (example ΔT = -0.2 °C). -
Page 22: Configuration For Counter-Cooling
3.0, providing the configuration number for a heating circulator. In case the circulator is to be assembled with a JULABO solenoid valve controller (MVS see page 9) or a JULABO refrigerated bath, a new configuration must be ... -
Page 23: Electrical Connections
MV / MW Electrical connections / ALARM connector The " ALARM" connector may be used as output for alarm messages. Circuit: Operation = relay powered Alarm = relay not powered Pin assignment: Pin 1: +24 V ( 25 mA) max. -
Page 24: Remote Control
Remote control Remote control 12.1. Setup for remote control Interface parameters for the circulator are adjusted at configuration level. RS232C Enter or exit the configuration level by pressing the left arrow and enter at the same time. The menu item "Atc" appears on the MULTI-DISPLAY (LED). -
Page 25: Communication With A Pc Or A Superordinated Data System
MV / MW Like all parameters which can be entered through the keypad, interface parameters are stored in memory even after the circulator is turned off. 12.2. Communication with a PC or a superordinated data system Suitable terminal programs for communicating with a PC are: ... -
Page 26: List Of Commands
Remote control 12.3. List of commands Command Parameter Response of circulator version none Number of software version (V X.xx) status none Status message, error message (see below) out_mode_01 Use working temperature "T1" out_mode_01 Use working temperature "T2" out_mode_05 Stop the circulator = r OFF out_mode_05 Start the circulator out_sp_00... -
Page 27: Error Messages
MV / MW 12.5. Error messages Message Description -01 TEMP / LEVEL ALARM Safety temperature or low liquid level alarm -03 EXCESS TEMPERATURE High temperature warning " " WARNING -04 LOW TEMPERATURE Low temperature warning " " WARNING -05 TEMPERATURE Error in measuring system MEASUREMENT ALARM -06 SENSOR DIFFERENCE... -
Page 28: Cleaning 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 liquid recommended by JULABO. To avoid contamination, it is essential to change the bath liquid from time to time. Repairs... -
Page 29: Technical Specifications
MV / MW Technical specifications MW-Z -4/-6/-12/-26 -4/-6/-12/-26 Working temperature range °C 40 ... 200 25 ... 200 45 ... 200 with tap water cooling °C 20 ... 200 20 ... 200 20 ... 200 Temperature stability ±0.01 °C Temperature selection digital via keypad indication on MULTI-DISPLAY (LED) - Page 30 Technical specifications Bridge mounted circulator MW-Z Usable immersion depth from 90 to 145 mm Overall dimensions (WxDxH) 320x170x320 mm Weight 5.5 kg Heating circulators MV/MW-4 MV/MW-6 Bath opening 130x150 130x150 Bath depth Filling volume liters 3 ... 4.5 4.5 ... 6 Overall dimensions 210x410 210x410...
-
Page 31: Ec Declaration Of Conformity
– EMC requirements outlined by EN 61326 safety regulation for electrical devices for measuring, control and laboratory application specified by EN 61010 Julabo Labortechnik GmbH Eisenbahnstr. 45 D-77960 Seelbach / Germany G. Juchheim, Managing Director... -
Page 32: Warranty Conditions
24 months or 10.000 working hours; which ever is achieved first. To apply for this extended warranty the user must register the unit on the Julabo web site www.julabo.de, indicating the serial no. The extended warranty will apply from the date of Julabo Labortechnik GmbH’s original invoice.
Need help?
Do you have a question about the MV-4 and is the answer not in the manual?
Questions and answers