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Summary of Contents for Julabo F250
- Page 1 English Operating manual Recirculating Cooler F250 JULABO Labortechnik GmbH 77960 Seelbach / Germany +49 (0) 7823 / 51-0 +49 (0) 7823 / 24 91 info@julabo.de www.julabo.de 19514803.doc 01.02.2011...
- 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.
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Page 3: Table Of Contents
F250 TABLE OF CONTENTS 1. Intended use ........................4 2. Operator responsibility – Safety recommendations ............4 2.1. Disposal ........................6 2.2. EC Conformity .......................7 3. Technical specifications ....................8 3.1. Warning functions and safety installations ............9 4. Safety notes for the user....................10 4.1. -
Page 4: Intended Use
(bath fluid). 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 5 Tel. +49 (0) 7823 / 51-0 info@julabo.de Eisenbahnstraße 45 Fax +49 (0) 7823 / 24 91 www.julabo.de 77960 Seelbach / Germany Safety instructions for the operator: You have received a product designed for industrial use. Nevertheless, avoid strikes to the housing, vibrations, damage to the operating-element panel (keypad, display), and contamination.
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Page 6: Disposal
Operator responsibility – Safety recommendations When using hazardous materials or materials that could become hazardous, the operator must affix the enclosed safety labels (1 + 2) to the front of the unit so they are highly visible: Warning label W00: Colors: yellow, black Danger area. -
Page 7: Ec Conformity
Directive of the European Parliament and of the Council on the approximation of the laws of the Member States relating to machinery. EMC guideline with respect to legal harmonization of the member countries concerning electromagnetic compatibility. JULABO Labortechnik GmbH Eisenbahnstr. 45 77960 Seelbach / Germany... -
Page 8: Technical Specifications
Technical specifications Technical specifications Recirculating Cooler F250 Working temperature range °C +5 ... +40 Temperature stability °C ±0.5 Temperature selection: digital via key pad indication on LED-DISPLAY Temperature indication: LED-DISPLAY Resolution °C Temperature control PID 1 Temperature sensor Pt 100 Excess temperature protection 85 °C - fixed value... -
Page 9: Warning Functions And Safety Installations
F250 3.1. Warning functions and safety installations Excess temperature protection 85 °C - fixed value Low liquid level protection float switch Alarm message optical + audible (permanent) Overload protection for compressor and pump motor Classification according to DIN 12876-1 class I Environmental conditions according to IEC 61 010-1: Use only indoor. -
Page 10: Safety Notes For The User
Safety notes for the user Safety notes for the user 4.1. 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 11 F250 • Never operate the unit without bath fluid in the bath. • 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).
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Page 12: Installation
Installation Installation • Lifting and transport: Lift the unit with two persons taking hold of its bottom plate. For transport set the unit on a suitable trolley • Place the unit on an even surface on a pad made of non- flammable material. - Page 13 F250 • Connect a piece of tubing to the overflow connector (8) and drain into a suitable vessel, which always has to be placed lower than the exit „Overflow“. Do not seal the overflow connector! Notice: Flood hazard!. In case the system to be cooled is located at a higher level than the recirculating cooler, take note of bath liquid flowing back when the unit is switched off.
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Page 14: Tubing
Recommended tubing: Order No. Suitable for ® 8930008 1 m CR -tubing 8 mm inner dia. -20 °C … 120°C F250 ® 8930010 1 m CR -tubing 10 mm inner dia. -20 °C … 120°C F250 Insulation for tubing 8930410 1 m Insulation tubing 8/10 inner dia. -
Page 15: Operating Controls And Functional Elements
F250 Operating controls and functional elements Front view Rear view 1 5 A M 1 5 A M 1 5 A M 1 5 A M 1 5 A M 1 5 A M 1 5 A M 1 5 A M... -
Page 16: Operating Procedures
JULABO Thermal G 5 liters See website for list of recommended bath fluids. Contact: www.julabo.de Notice: Please contact JULABO before using other than recommended bath fluids. JULABO takes no responsibility for damages caused by the selection of an unsuitable bath fluid... -
Page 17: Power Connection
F250 7.2. 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 18: Setting The Temperatures
AUTOSTART ON / OFF The recirculating cooler 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 19: Safety Installations
F250 Safety installations 8.1. Excess temperature protection This safety installation is independent of the control circuit. When the temperature of the bath fluid has reached the safety temperature (85 °C), a complete shutdown of the compressor and pump is effected. -
Page 20: Troubleshooting Guide / Error Messages
If the unit cannot be returned to operation, contact an authorized service station. If the unit cannot be returned to operation, contact an authorized JULABO service station. Disturbances that are not indicated. Overload protection::... -
Page 21: Cleaning / Repairing The Unit
The recirculating cooler 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 22: Draining
Cleaning / repairing the unit 10.1. Draining Notice: Store and dispose the used bath fluid according to the laws for environmental protection. 1. Turn off the unit and disconnect the mains cable from the power source 2. Place a suitable vessel for accepting the used bath liquid underneath the drain. -
Page 23: Warranty Conditions
24 months, limited to a maximum of 10 000 working hours. 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.
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