Julabo ME-4 Manuale utente

19510505_a.doc 19.03.09

Operating Manual

Heating Circulators

ME-4

ME-6

ME-12

ME-26

Open Bath Circulator

ME-39

°C

100

150

2300

Printed in Germany

Changes without prior notification reserved

1.951.0505 BE7 12/08

Innovative Temperature Technology

JULABO Labortechnik GmbH

77960 Seelbach / Germany

+49 (0) 7823 / 51-0

+49 (0) 7823 / 24 91

|[email protected]

Þwww.julabo.de

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.

Quality Management System

ISO 9001

2000

The JULABO Quality Management System:

Temperature control devices for research and industry are developed, produced,

and distributed according to the requirements of DIN EN ISO 9001:2000.

Certificate Registration No. 01 100044846

Unpacking and inspecting

Unpack the circulator and accessories and inspect them for possible transport damage. Damage

should be reported to the responsible carrier, railway, or postal authority, and a damage report should

be requested. These instructions must be followed fully for us to guarantee our full support of your

claim for protecting against loss from concealed damage. The form required for filing such a claim will

be provided by the carrier.

Printed in Germany Changes without prior notification reserved

TABLE OF CONTENTS

Operating manual.................................................................................................................. 5

1. Intended use................................................................................................................... 5

1.1. Description................................................................................................................. 5

2. Operator responsibility – Safety recommendations........................................................ 6

2.1. Disposal..................................................................................................................... 8

2.2. Use in Sous-Vide cooking.......................................................................................... 8

2.3. EC Conformity............................................................................................................ 9

2.4. Warranty conditions................................................................................................... 9

2.5. Technical specifications........................................................................................... 10

Operating instructions ......................................................................................................... 12

3. Operating controls and functional elements................................................................. 12

4. Safety notes for the user .............................................................................................. 14

4.1. Explanation of safety notes...................................................................................... 14

4.2. Explanation of other notes....................................................................................... 14

4.3. Safety recommendations ......................................................................................... 14

5. Preparations................................................................................................................. 16

5.1. Installation................................................................................................................ 16

5.2. Bath fluids................................................................................................................ 17

5.3. Temperature application to external systems .......................................................... 18

5.3.1.Tubing ................................................................................................................. 19

5.4. Filling / draining........................................................................................................ 19

5.5. Countercooling......................................................................................................... 20

6. Operating procedures................................................................................................... 22

6.1. Power connection .................................................................................................... 22

6.2. Switching on / Start - Stop ....................................................................................... 22

6.3. AUTOSTART ON / OFF........................................................................................... 23

7. Setting the temperatures.................................................................................... 24

8. Safety installations, warning functions................................................................ 25

8.1. Excess temperature protection ................................................................................ 25

8.1.1.Early warning system, low level protection.......................................................... 26

8.2. Over and Sub temperature warning functions.......................................................... 27

8.2.1.Change-over of the warning function to shutdown function................................. 28

9. Menu functions ....................................................................................................29

9.1. MENU PUMP - Setting the pump pressure...............................................................30

9.2. MENU CONTROL – Control parameters..................................................................32

9.2.1.CONTROL – internal / external control ................................................................32

9.2.2.DYN INT - Dynamic internal.................................................................................34

9.2.3.Control parameters – XP, TN, TV internal............................................................35

9.2.4.Control parameters – XPU, XP, TN, TV external.................................................36

9.3. MENU CONFIG - configuration.................................................................................37

9.3.1.SETPOINT – Keypad control or remote control...................................................37

9.3.2.OFF-MODE – Pump motor on / off.......................................................................38

9.3.3.RESET – Factory settings....................................................................................38

9.3.4.TIME / DATE – setting time and date...................................................................39

9.4. MENU SERIAL - BAUDRATE, HANDSHAKE, PARITY ...........................................40

9.5. MENU LIMITS...........................................................................................................41

9.6. MENU PROGRAM – Integrated programmer...........................................................43

9.6.1.Description of the menu-items..............................................................................45

9.7. MENU ADJUST – ATC Absolute Temperature Calibration ......................................48

10. Troubleshooting guide / Error messages.......................................................................52

11. Electrical connections....................................................................................................54

12. Remote control..............................................................................................................55

12.1. Setup for remote control ...........................................................................................55

12.2. Communication with a PC or a superordinated data system....................................55

12.3. List of commands......................................................................................................56

12.4. Status messages ......................................................................................................58

12.5. Error messages.........................................................................................................58

13. JULABO Service – Online remote diagnosis.................................................................60

14. Cleaning / repairing the unit...........................................................................................61

Operating manual

1. Intended use

JULABO circulators have been designed to control the temperature of specific fluids in a bath tank.

The units feature pump connections for temperature control of external systems (loop circuit).

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).

1.1. Description

1x10

PID3

TC3

RS232

Pt100

PUMP

SMART

The circulators are operated via the splash-proof keypad. The microprocessor

technology allows different values to be set, stored, and displayed on the VFD

COMFORT-DISPLAY. Three menu keys facilitate the adjustment of setpoints,

warning and safety functions, and menu functions.

Temperature- and time-dependent processes can be stored and executed using

the integrated programmer.

The adjustable PID cascade temperature control automatically adjusts the heat

supply to the thermal requirements of the bath.

Absolute Temperature Calibration (ATC3) provides high temperature stability at all

points in the bath. With the 3-point calibration, an offset is adjusted at three

temperatures to ensure an accurate temperature pattern at the selected spot in the

bath over the entire temperature range.

Electrical connections:

RS232 interface for modern process technology without an additional interface.

Connection for external Pt100 sensor for external temperature measurement and

control.

Alarm output for external alarm message or control of JULABO refrigerating baths

or solenoid valve (cooling water).

The excess temperature protection according to IEC 61010-2-010 is a safety

device independent from the control circuit. Its safety value can be displayed and

adjusted on the VFD COMFORT-DISPLAY.

The early warning system for low level signals that bath fluid needs to be refilled

before the low level protection according to IEC 61010-2-010 triggers a safety

shutdown of the main functional elements.

Intelligent pump system: the pump capacity (electronically adjustable via the motor

speed) can be adapted to different conditions for internal and external temperature-

control applications.

Operator responsibility – Safety recommendations

2. 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.

The operator is responsible for the qualification of the personnel operating the units.

The personnel operating the units should be regularly instructed about the dangers involved with

their job activities as well as measures to avert these dangers.

Make sure all persons tasked with operating, installing, and maintaining the unit have read and

understand the safety information and operating instructions.

When using hazardous materials or materials that could become hazardous, the circulator may be

operated only by persons who are absolutely familiar with these materials and the circulator.

These persons must be fully aware of possible risks.

If you have any questions concerning the operation of your unit or the information in this manual,

please contact us!

Contact JULABO Labortechnik GmbH

Eisenbahnstraße 45

77960 Seelbach / Germany

07823 / 51-0

07823 / 2491

|[email protected]

Þwww.julabo.de

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.

Make sure the product is checked for proper condition regularly (depending on the conditions of

use). Regularly check (at least every 2 years) the proper condition of the mandatory, warning,

prohibition and safety labels.

Make sure that the mains power supply has low impedance to avoid any negative effects on

instruments being operated on the same mains.

This unit is designed for operation in a controlled electromagnetic environment. This means that

transmitting devices (e.g., cellular phones) should not be used in the immediate vicinity.

Magnetic radiation may affect other devices with components sensitive to magnetic fields

(e.g., monitors). We recommend maintaining a minimum distance of 1 m.

Permissible ambient temperature: max. 40 °C, min. 5 °C.

Permissible relative humidity: 50% (40 °C).

Do not store the unit in an aggressive atmosphere.

Protect the unit from contamination.

Do not expose the unit to sunlight.

Appropriate operation

Only qualified personnel is authorized to perform configuration, installation, maintenance and repairs of

the circulator.

Routine operation can also be carried out by untrained personnel who should however be instructed by

trained personnel.

Use:

The bath can be filled with flammable materials. Fire hazard!

There might be chemical dangers depending on the bath medium used.

Observe all warnings for the used materials (bath fluids) and the respective instructions (safety data

sheets).

Insufficient ventilation may result in the formation of explosive mixtures. Only use the unit in well

ventilated areas.

Only use recommended materials (bath fluids). Only use non-acid and non corroding materials.

When using hazardous materials or materials that could become hazardous, the operator must affix

the enclosed safety labels to the front of the unit so they are highly visible:

If this unit is intended for use within the United States of America, all 3 warning labels must be affixed

to the housing of the unit prior to use.

Directions for the positioning of the individual warning labels are enclosed with the warning labels

included in the delivery.Warning labels must be easily visible to users.

Warning label W00: Colors: yellow, black

Danger area. Attention! Observe instructions.

(operating manual, safety data sheet)

Mandatory label M018: Colors: blue, white

Carefully read the user information prior to beginning operation.

Scope: EU

Semi S1-0701 Table A1-2 #9

Carefully read the user information prior to beginning operation.

Scope: USA, NAFTA

Warning label Proposition 65

Particular care and attention is necessary because of the wide operating range.

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)

Observe the instructions in the manuals for instruments of a different make that you connect to the

circulator, particularly the respective safety recommendations. Also observe the pin assignment of

plugs and technical specifications of the products.

Operator responsibility – Safety recommendations

2.1. Disposal

The circulator contains a back-up battery that supplies voltage to memory chips when the unit is

switched off. Do not dispose of the battery with household waste!

Depending on battery regulations in your country, you might be obliged to give back used or defect

batteries to gathering places.

The product may be used with oil as bath fluid. These oils fully or partially consist of mineral oil or

synthetic oil. For disposal, observe the instructions in the safety data sheets.

Valid in EU countries

Directive 2002/96/EC of the European Parliament and of the Council of 27 January

2003 on waste electrical and electronic equipment (WEEE).

This directive requires electrical and electronic equipment marked with a crossed-

out trash can to be disposed of separately in an environmentally friendly manner.

Contact an authorized waste management company in your country.

Disposal with household waste (unsorted waste) or similar collections of municipal

waste is not permitted!

2.2. Use in Sous-Vide cooking

Some JULABO product may be used for low temperature cooking.

Sous-Vide cooking should only be used by trained professionals.

For proper food safety it is important to maintain precise and consistent conditions and a hygienic

environment.

It is vitally important to maintain procedures that minimize the risk from anaerobic bacteria, e.g.

costridium botulinum.

Please make sure to follow the Sous-Vide techniques of your trained professional or cooking

publication and we remind you to consider the following:

Use high quality ingredients from known suppliers;

Separate raw and cooked food areas from each other;

Establish minimum cooking temperature for meat and fish;

Adhere to the maximum storage temps and times suggested by your teacher or literature;

Label contents with date of preparation as well as expiration date;

Operate in a sterile environment including, utilization of sterile gloves when filling the Sous-Vide

bags;

Use separate vacuums for raw and cooked materials.

Additionaly, it is important that your kitchen staff employ an appropriate HACCP

(Hazard s Analysis and Critical Control Point Program) to address the movement of food from delivery

to service.

Monitor the quality of water in the Sous-Vide bath and change regularly.

Be observant of potential breaks in the cold chain or unnecessary holding time.

Additionally, please make sure to employ the appropriate time to cool cooked food before storage.

To achieve pasteurization, food cooked in the Sous-Vide method should achieve at least 65 °C

(149 °F) at its core. Utilization of a temperature probe or other thermometer may be required.

Last, please follow the Sous-Vide cooking regulations mandated by your local Health Bureau or any

applicable food regulations for your jurisdiction.

2.3. EC Conformity

The product described in the operating instructions conforms to the requirements of

the following European guidelines:

Low voltage regulations with respect to legal harmonization of the member countries

concerning electric devices for use within certain voltage limits.

EMC guideline with respect to legal harmonization of the member countries concerning

electromagnetic compatibility.

JULABO Labortechnik GmbH

Eisenbahnstr. 45

77960 Seelbach / Germany

2.4. Warranty conditions

JULABO Labortechnik GmbH warrants its products against defects in material or in workmanship,

when used under appropriate conditions and in accordance with appropriate operating instructions

for a period of ONE YEAR.

Extension of the warranty period – free of charge

With the ‘1PLUS warranty’ the user receives a free of charge extension to the warranty of up to 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.

JULABO Labortechnik GmbH reserves the right to decide the validity of any warranty claim. In case of

faults arising either due to faulty materials or workmanship, parts will be repaired or replaced free of

charge, or a new replacement unit will be supplied.

Any other compensation claims are excluded from this guarantee.

Operator responsibility – Safety recommendations

2.5. Technical specifications

Working temperature range °C 20 ... 200

Temperature stability °C ±0,01

Temperature selection digital

via keypad indication on VFD COMFORT-Display

remote control via personal computer indication on monitor

Temperature indication VFD COMFORT-DISPLAY

Resolution °C 0.1

Absolute Temperature Calibration °C ±3

Temperature control PID3 cascade temperatur control

Heater wattage (at 230 V) kW 2,0

Heater wattage (at 115 V) kW 1,0

Electronically adj. pump capacity stages 1 ... 4

Flow rate at 0 bar l/min 11 ... 16

Pressure max. at 0 liter bar 0.22 ... 0.45

Electrical connections:

External alarm device Vdc/mA 24-0 / max. 25

Computer interface RS232

External temperature sensor Pt100

Ambient temperature °C 5 ... 40

Mains power connection 230 V/50 Hz V/ Hz 190 ... 253 / 50-60

Current draw (at 208 V / 230 V) A 8 / 9

Mains power connection 115 V/60 Hz V/ Hz 90 ... 127 / 50-60

Current draw (at 100 V / 115 V) A 8 / 9

All measurements have been carried out at:

rated voltage and frequency ambient temperature: 20 °C

bath fluid: water operating temperature: 70 °C

Technical changes without prior notification reserved.

Heating circulators ME-4 ME-6 ME-12 ME-26

Bath opening (WxL) cm 13x15 13x15 22x15 22x30

Bath depth cm 15 20 20 20

Filling volume liters 3 ... 4,5 4,5 ... 6 7,5 ... 12 18 ... 26

Overall dimensions (WxDxH) cm 21x42x38 21x43x42 30x43x45 36x61x45

Weight kg 9,6 12,5 13,0 26,0

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