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Summary of Contents for Julabo ED-5A
- Page 1 English Operating manual Open Bath Circulators ED-5A ED-5M ED-5 JULABO Labortechnik GmbH 77960 Seelbach / Germany +49 (0) 7823 / 51-0 +49 (0) 7823 / 24 91 info@julabo.de www.julabo.de 1.951.0270 01/11 19510270.doc 02.02.11...
- 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
TABLE OF CONTENTS Operating manual........................4 Intended use ........................4 1.1. Description........................4 Operator responsibility – Safety recommendations............4 2.1. Disposal ........................6 2.2. EC Conformity ......................7 2.3. Warranty conditions ....................7 2.4. Technical specifications ....................8 Operating instructions ......................10 Safety notes for the user .................... -
Page 4: Operating Manual
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. Direct temperature control means unprotected contact of the object with the bath medium (bath fluid). - Page 5 JULABO Labortechnik GmbH Tel. +49 (0) 7823 / 51-0 info@julabo.de Eisenbahnstraße 45 Fax +49 (0) 7823 / 24 91 www.julabo.de 77960 Seelbach / Germany Handling: Nevertheless, avoid strikes to the housing, vibrations, damages to the keypad foil (keys, display) or contamination.
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Page 6: 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) 2.1. Disposal Do not dispose of the unit with household waste! However, over the long operating period of the unit, disposal rules may change. -
Page 7: Ec Conformity
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. -
Page 8: Technical Specifications
All measurements have been carried out at: rated voltage and frequency operating temperature: 70 °C ambient temperature: 20 °C bath fluid: water Technical changes without prior notification reserved. 0pen Bath Circulators ED-5A ED-5M ED-5 Plexiglas ® Makrolon ® Bath tanks Stainless... - Page 9 Safety installations according to IEC 61010-2-010: Excess temperature protection adjustable from 20 to 120 °C Low liquid level protection float switch Classification according to DIN 12876-1 class I Alarm indication optical + audible (permanent) Environmental conditions according to EN 61 010, part 1: Use only indoor.
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Page 10: Operating Instructions
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 11 • Do not stay in the area below the unit. • Make sure you read and understand all instructions and safety precautions listed in this manual before installing or operating your unit. • Never operate the unit without bath fluid in the bath. •...
- Page 12 Safety notes for the user 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 •...
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Page 13: Operating Controls And Functional Elements
Operating controls and functional elements Front view Rear view Mains power switch, illuminated Edit keys Setpoint increase or decrease Press keys shortly for step-by-step changes, Keep the keys pressed for fast change of setpoint OK key (store) LED temperature display, menu indication Control indicator –Heating Control indicator –... -
Page 14: Preparations
Avoid contamination of the bath fluid with solvents. • Place the circulator in an upright position. Top view ED-5A / ED-5M • The circulator (A) mounted on a stainless steel bridge is placed on the back of the bath tank. -
Page 15: Filling / Draining
Please contact JULABO before using other than recommended bath fluids. Only use non-acid and non corroding bath fluids. JULABO takes no responsibility for damages caused by the selection of an unsuitable bath fluid. Unsuitable bath fluids are liquids which e.g. -
Page 16: Temperature Application To External Systems
Connecting the external system • Unscrew the collar nuts from the pump connector (24a). • Slide the tubing onto the pump connectors for feed (24a) and return flow (24b). Secure the tubing with tube clamps. ⇐ ED-5A / ED-5M ⇐ ED-5 5.5. Tubing Recommended tubing: Order No. -
Page 17: Adjusting The Pump Flow
Warning: Tubing: At high working temperatures the tubing used for temperature application and cooling water supply represents a danger source. A damaged tubing line may cause hot bath fluid to be pumped out within a short time. This may result in: •... -
Page 18: Countercooling
• 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). Cooling coil ⇐ ED-5A / ED-5M Cooling coil ⇐ ED-5 A specific water flow rate of 45 ml/minute is sufficient to compensate for the characteristic temperature. -
Page 19: 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 20: Automatic / Non-Automatic Start Mode
AUTOSTART on. AUTOSTART off. 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 21: Setting The Temperatures
6.4. Setting the temperatures Factory setting: 25 °C Setting can be carried out in the start/stop condition. Press one of the keys for a short moment. The setpoint value instead of the actual value is indicated on the display for about 8 seconds. The value can now be changed. Change value: Press to set a higher value. -
Page 22: Troubleshooting Guide / Error Messages
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. Disturbances that are not indicated. Pump motor overload protection The pump motor is protected against overloading. -
Page 23: 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...
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