Julabo F38-EH Refrigerated and Heating Circulators User Manual

19510254-V2.doc Print date: 11.07.13 English Operating manual Refrigerated and Heating Circulators F38-EH JULABO GmbH

Operator responsibility – Safety recommendations 10 Safety installations according to IEC 61010-2-010: Excess temperature protection adjustable fr

EH 11 Operating instructions 3. Safety notes for the user 3.1. Explanation of safety notes In addition to the safety warnings listed, warnings are

Safety notes for the user 12 material.  Do not stay in the area below the unit.  Make sure you read and understand all instructions and safety pre

EH 13 Notice: Check the safety installations at least twice a year!  Excess temperature protection according to IEC 61010-2-010. With a screwdri

Operating controls and functional elements 14 4. Operating controls and functional elements Front view Rear view

EH 15 1a 1b Mains power switch, illuminated for circulator Mains power switch, illuminated for cooling machine 2 Edit keys Setpoint in

Preparations 16 5. Preparations 5.1. Installation  Place the unit on an even surface on a pad made of non-flammable material.  The circulator

EH 17 Recommended bath fluids: Bath fluid Temperature range soft/decalcified water 5 °C to 80 °C mixture water/glycol, mixture 1:1 -20°C t

Preparations 18 5.3. Filling / Draining Notice:  Pay attention to the thermal expansion of bath oil during heating to avoid overflowing of the l

EH 19 5.4. Temperature application to external systems Caution: Securely attach all tubing to prevent slipping. If the circulator is operated witho

2 Congratulations! You have made an excellent choice. JULABO thanks you for the trust you have placed in us. This operating manual has been design

Preparations 20 Warning: Tubing: At high working temperatures the tubing used for temperature application and cooling water supply represents a da

EH 21 6. Operating procedures 6.1. Power connection Caution:  Only connect the unit to a power socket with earthing contact (PE – protective earth)

Operating procedures 22 Note: Shorten heat-up time Whenever cooling is not required because the actual working temperature value is increased

EH 23 6.4. Setting the temperatures Factory setting: 25°C  Setting can be carried out in the start/stop condition. 1. Press one of the keys for

Operating procedures 24 6.5. ATC - Absolute Temperature Calibration Working temperature range refer to page 9 40801601200  1-point calibration: Th

EH 25 6.6. Timer function With the timer function the operating time can be limited to an allowed time. 6.6.1. Setting the time Factory setting:

Operating procedures 26 6.7. Safety installations according to IEC 61010-2-010 Check the safety installations at least twice a year! See page 13. 6.

EH 27 7. Troubleshooting guide / Error messages + Whenever the microprocessor electronics registers a failure, a complete shutdown of the heater an

Troubleshooting guide / Error messages 28 Warning without a complete shutdown of the unit:  Compressor stage 1 does not work. The motor of the cool

EH 29 8. Electrical connections Notice: Use shielded cables only. The shield of the connecting cable is electrically connected to the plug housing.

EH 3 TABLE OF CONTENTS Operating manual ...

Cleaning / repairing the unit 30 Cleaning For cleaning the bath tank and the immersed parts of the circulator, use low surface tension water (e.g., s

Operating manual 4 Operating manual 1. Intended use JULABO circulators have been designed to control the temperature of specific fluids in a bath tan

EH 5  When using hazardous materials or materials that could become hazardous, the circulator may be operated only by persons who are absolutely fam

Operator responsibility – Safety recommendations 6 well ventilated areas. The unit is not for use in explosive atmosphere. Only use recommended materi

EH 7

Operator responsibility – Safety recommendations 8 2.2. EC Conformity The products described in the operating instructions conform to the requirement

EH 9 2.4. Technical specifications F38-EH Working temperature range °C -35 ... 80 Temperature stability °C ±0.03 Temperature selection digital