Julabo F25-MC, F12-MC, F26-MC, F33-MC, FP35-MC Operating Manual

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19510351_a.doc Druck: 17.03.09

English

Operating

manual

Refrigerated and Heating Circulators F12-MC F25-MC F26-MC F32-MC F33-MC F34-MC FP35-MC FP40-MC FP50-MC FPW50-MC

Innovative Temperature Technology

JULABO Labortechnik GmbH 77960 Seelbach / Germany  +49 (0) 7823 / 51-0

 +49 (0) 7823 / 24 91 | info@julabo.de Þ www.julabo.de

1.951.0351BE4 02/09

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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

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

2.3. Warranty conditions............................................................................................9

2.4. Technical specifications ...................................................................................10

2.5. Cooling water connection .................................................................................16

Operating instructions ..................................................................................................18

3. Operating controls and functional elements.........................................................18

4. Safety notes for the user ......................................................................................20

4.1. Explanation of safety notes ..............................................................................20

4.2. Explanation of other notes ...............................................................................20

4.3. Safety recommendations..................................................................................20

5. Preparations.........................................................................................................23

5.1. Installation ........................................................................................................23

5.2. Bath fluids.........................................................................................................24

5.3. Filling / draining ................................................................................................25

5.4. Temperature application to external systems ..................................................26

5.4.1. Tubing ......................................................................................................26

6. Operating procedures ..........................................................................................28

6.1. Power connection.............................................................................................28

6.2. Switching on / Start - Stop................................................................................28

6.3. Automatic / non-automatic start mode .............................................................30

7. Setting the temperatures .............................................................................31

7.1. 1-setpoint mode................................................................................................31

7.2. 3-setpoint mode................................................................................................31

8. Safety installations, warning functions.........................................................33

8.1. Excess temperature protection ........................................................................33

8.1.1. Early warning system, low level protection ..............................................34

8.2. High and low temperature warning functions ...................................................35

8.3. Limitation of the operating temperature range .................................................36

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8.4.

Change-over of the warning function to shutdown function.............................37

9. Menu functions ............................................................................................38

9.1. Setting the pump pressure............................................................................... 39

9.2. ATC Absolute Temperature Calibration, 3-point calibration.............................40

9.3. Change-over of the key mode.................................................................43

9.4. Remote control: activate – deactivate..............................................................43

9.5. Interface - Baud rate, Handshake, Parity.........................................................44

9.6. Control parameters – Xp, Tv, Tn......................................................................45

9.7. Reset................................................................................................................46

10. Troubleshooting guide / Error messages.............................................................47

11. Electrical connections ..........................................................................................50

12. Remote control.....................................................................................................51

12.1. Setup for remote control ..............................................................................51

12.2. Communication with a PC or a superordinated data system.......................51

12.3. List of commands.........................................................................................52

12.4. Status messages .........................................................................................54

12.5. Error messages............................................................................................54

13. JULABO Service – Online remote diagnosis .......................................................56

14. Cleaning / repairing the unit.................................................................................57

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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

PID2

ATC

RS232

PUMP

SMART

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

implemented microprocessor technology allows to set and to store different values that can be indicated on the MULTI-DISPLAY (LED). Three menu keys facilitate adjusting setpoints, warning and safety functions and menu functions.

 The PID temperature control adapts the heat supplied to the thermal

requirements of the bath.

 Absolute Temperature Calibration (ATC3) provides a high temperature

stability 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 full temperature range.

 Electrical connections:

The serial interface RS232 allows modern process technology without additional interface. Alarm output for external alarm message or control of JULABO refrigerating baths or solenoid valve (cooling water).

 The excess temperature protection conforming to IEC 61010-2-010 is

a safety installation independent from the control circuit. This protection can be indicated and set on the MULTI-DISPLAY (LED).

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

be refilled before the low level protection conforming to IEC 61010-2010 causes a complete shut-down of the main functional elements.

 The pump capacity (electronically adjustable via the motor speed)

enables to adapt to varying conditions for internal and external temperature applications.

 The circulator conforms to the relevant requirements specified by

European guidelines.

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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

| info@julabo.de Þ www.julabo.de

Safety instructions for the operator:

 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.

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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. The unit is not for use in explosive atmosphere. 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.

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Operator responsibility – Safety recommendations

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.

2.1. Disposal

The circulator contains a back-up battery that supplies voltage to the 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 may be obligated to return used or defective batteries to collection sites. The product may be used with oil as a bath fluid. These oils fully or partially consist of mineral oil or synthetic oil. For disposal, follow the instructions in the material safety data sheets.

This unit contains the refrigerants R134a, R404A and R507–, which at this time are not considered harmful to the ozone layer. However, over the long operating period of the unit, disposal rules may change. Therefore, only qualified personnel should handle the disposal.

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!

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2.2. 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

2.3. 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.

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Operator responsibility – Safety recommendations

2.4. Technical specifications

F12-MC F25-MC Working temperature range °C -20 ... 200 -28 ... 200

Temperature stability °C ±0,01 ±0,01 Temperature selection digital via keypad indication on MULTI-DISPLAY(LED) remote control via personal computer

indication on monitor Temperature indication MULTI-DISPLAY (LED) Resolution °C 0.1 Absolute Temperature Calibration °C ±3 Temperature control PID2 Heater wattage (at 230 V) kW 2,0 2,0 Heater wattage (at 115 V) kW 1,0 1,0 Cooling capacity Medium ethanol

°C

+20 0 -20

0.16 0.1 0.02

+20 0 -20

0.26 0.2 0.06 Refrigerant R134a R134a Electronically adj. pump capacity stages 1 ... 4 Flow rate at 0 bar l/min 11 ... 16 Max. pressure at 0 liters bar 0.23 ... 0.45 Electrical connections: External alarm output 24-0 Vdc / max. 25 mA Computer interface RS232 Overall dimensions (WxDxH) cm 20x36x56 23x42x61 Bath opening (WxL) cm 13x15 12x14 Bath depth cm 13 14 Filling volume from ... to liters 3 ... 4,5 3 ... 4,5 Weight kg 23 31 Ambient temperature °C 5 ... 40 5 ... 40 Mains power connection 230 V/50 Hz V/ Hz 207-253 / 50 207-253 / 50 Current draw (at 230 V) A 11 12 Current draw (at 230 V) CH A <9 + 1> <9 + 2> Mains power connection 230 V/60 Hz V/ Hz 207-253 / 60 207-253 / 60 Current draw (at 230 V) A 11 12 Mains power connection 115 V/60 Hz V/ Hz 103-127 / 60 103-127 / 60 Current draw (at 115 V) A 12 13 Mains power connection 100 V/50-60 Hz V/ Hz 90-120 / 50-60 90-115 / 50-60 Current draw (at 100 V) A 15 13

All measurements have been carried out at: rated voltage and frequency ambient temperature: 20 °C Technical changes without prior notification reserved.

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F26-MC F32-MC Working temperature range °C -28 ... 200 -35 ... 200

Temperature stability °C ±0,01 ±0,01 Temperature selection digital via keypad indication on MULTI-DISPLAY(LED) remote control via personal computer

°C

+20 0 -20

0.26 0.2 0.06

+20 0 -20

0.45 0.39 0.15

Refrigerant R134a R134a Electronically adj. pump capacity stages 1 ... 4 Flow rate at 0 bar l/min 11 ... 16 Max. pressure at 0 liters bar 0.23 ... 0.45 Electrical connections: External alarm output 24-0 Vdc / max. 25 mA Computer interface RS232 Overall dimensions (WxDxH) cm 42x42x42 31x42x64 Bath opening (WxL) cm 12x14 18x12 Bath depth cm 14 15 Filling volume from ... to liters 3 ... 4,5 5,5 ... 8 Weight kg 31 37 Ambient temperature °C 5 ... 40 5 ... 40 Mains power connection 230 V/50 Hz V/ Hz 207-253 / 50 207-253 / 50 Current draw (at 230 V) A 12 13

Mains power connection 230 V/60 Hz V/ Hz ----- 207-253 / 60 Current draw (at 230 V) A ----- 10 Mains power connection 115 V/60 Hz V/ Hz ----- 103-127 / 60 Current draw (at 115 V) A ----- 14 Mains power connection 100 V/50-60 Hz V/ Hz ----- 90-115 / 50-60 Current draw (at 100 V) A ----- 14

All measurements have been carried out at: rated voltage and frequency ambient temperature: 20 °C Technical changes without prior notification reserved.

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Operator responsibility – Safety recommendations

F33-MC F34-MC Working temperature range °C -30 ... 200 -30 ... 150

Temperature stability °C ±0,01 ±0,01 Temperature selection digital via keypad indication on MULTI-DISPLAY(LED) remote control via personal computer

°C

+20 0 -20 -30

0.5 0.32 0.12 0.03

+20 0 -20 -30

0.45 0.32 0.14 0.03

Refrigerant

R134a R134a

Electronically adj. pump capacity stages

1 ... 4

Flow rate at 0 bar l/min 11 ... 16 Max. pressure at 0 liters bar 0.23 ... 0.45 Electrical connections: External alarm output 24-0 Vdc / max. 25 mA Computer interface RS232 Overall dimensions (WxDxH) cm 36x46x69 38x58x62 Bath opening (WxL) cm 23x14 24x30 Bath depth cm 20 15 Filling volume from ... to liters 12 ... 16 14 ... 20 Weight kg 44 42 Ambient temperature °C 5 ... 40 5 ... 40 Mains power connection 230 V/50 Hz V/ Hz 207-253 / 50 207-253 / 50 Current draw (at 230 V) A 12 12 Current draw (at 230 V) CH A ----- <9 + 2> Mains power connection 230 V/60 Hz V/ Hz 207-253 / 60 207-253 / 60 Current draw (at 230 V) A 12 13 Mains power connection 115 V/60 Hz V/ Hz 103-127 / 60 103-127 / 60 Current draw (at 115 V) A 15 14 Mains power connection 100 V/50-60 Hz V/ Hz

90-110/50-60Hz -----

Current draw (at 100 V) A

15 -----

All measurements have been carried out at: rated voltage and frequency ambient temperature: 20 °C Technical changes without prior notification reserved.

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FP35-MC Working temperature range °C -35 ... 150

Temperature stability °C ±0,01 Temperature selection digital via keypad indication on MULTI-DISPLAY(LED) remote control via personal computer

indication on monitor Temperature indication MULTI-DISPLAY (LED) Resolution °C 0.1 Absolute Temperature Calibration °C ±3 Temperature control PID2 Heater wattage (at 230 V) kW 2,0 Heater wattage (at 115 V) kW 1,0 Cooling capacity Medium ethanol

°C

+20 0 -20 -30

0.45 0.39 0.15 0.05

Refrigerant

R134a

Electronically adj. pump capacity stages 1 ... 4 Flow rate at 0 bar l/min 11 ... 16 Max. pressure at 0 liters bar 0.23 ... 0.45 Electrical connections: External alarm output 24-0 Vdc / max. 25 mA Computer interface RS232 Overall dimensions (WxDxH) cm 31x42x64 Bath opening (WxL) cm 18x12 Bath depth cm 5 Filling volume from ... to liters 1,7 ... 2.5 Weight kg 37 Ambient temperature °C 5 ... 40 Mains power connection 230 V/50 Hz V/ Hz 207-253 / 50 Current draw (at 230 V) A 12

Mains power connection 230 V/60 Hz V/ Hz 207-253 / 60 Current draw (at 230 V) A 12 Mains power connection 115 V/60 Hz V/ Hz 103-127 / 60 Current draw (at 115 V) A 14 Mains power connection 100 V/50-60 Hz V/ Hz

90-110/50-60Hz

Current draw (at 100 V) A

All measurements have been carried out at: rated voltage and frequency ambient temperature: 20 °C Technical changes without prior notification reserved.

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Operator responsibility – Safety recommendations

FP40-MC Working temperature range °C -40 ... 200

Temperature stability °C ±0,01 Temperature selection digital via keypad indication on MULTI-DISPLAY(LED) remote control via personal computer

indication on monitor Temperature indication MULTI-DISPLAY (LED) Resolution °C 0.1 Absolute Temperature Calibration °C ±3 Temperature control PID2 Heater wattage (at 230 V) kW 2,0 Heater wattage (at 115 V) kW 1,0 Cooling capacity Medium ethanol

°C

+20 0 -20 -40

0.68 0.5 0.32 0.04 Refrigerant R404A Electronically adj. pump capacity stages 1 ... 4 Flow rate at 0 bar l/min 11 ... 16 Max. pressure at 0 liters bar 0.23 ... 0.45 Electrical connections: External alarm output 24-0 Vdc / max. 25 mA Computer interface RS232 Overall dimensions (WxDxH) cm 37x46x69 Bath opening (WxL) cm 23x14 Bath depth cm 20 Filling volume from ... to liters 9 ... 16 Weight kg 48 Ambient temperature °C 5 ... 40 Mains power connection 230 V/50 Hz V/ Hz 207-253 / 50 Current draw (at 230 V) A 13

Current draw (at 230 V) (CH) A 9+3 Mains power connection 230 V/60 Hz V/ Hz 207-253 / 60

Current draw (at 230 V) A 13

All measurements have been carried out at: rated voltage and frequency ambient temperature: 20 °C Technical changes without prior notification reserved.

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FP(W)50-MC Working temperature range °C -50 ... 200

Temperature stability °C ±0,01 Temperature selection digital via keypad indication on MULTI-DISPLAY(LED) remote control via personal computer

indication on monitor Temperature indication MULTI-DISPLAY (LED) Resolution °C 0.1 Absolute Temperature Calibration °C ±3 Temperature control PID2 Heater wattage (at 230 V) kW 2,0 Heater wattage (at 115 V) kW 1,0 Cooling capacity Medium ethanol

°C

+20 0 -20 -30

0.9 0.8 0.5 0.16

Refrigerant

R404A / R507

Electronically adj. pump capacity stages 1 ... 4 Flow rate at 0 bar l/min 11 ... 16 Max. pressure at 0 liters bar 0.23 ... 0.45 Electrical connections: External alarm output 24-0 Vdc / max. 25 mA Computer interface RS232 Overall dimensions (WxDxH) cm 42x49x70 Bath opening (WxL) cm 18x12 Bath depth cm 15 Filling volume from ... to liters 5,5 ... 8 Weight kg 55 Ambient temperature °C 5 ... 40 Mains power connection 230 V/50 Hz V/ Hz 207-253 / 50 Current draw (at 230 V) A 14

Current draw (at 230 V) (CH) A 9+4 Mains power connection 230 V/60 Hz V/ Hz 207-253 / 60

Current draw (at 230 V) A 14

All measurements have been carried out at: rated voltage and frequency ambient temperature: 20 °C Technical changes without prior notification reserved.

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Operator responsibility – Safety recommendations

Safety installations according to IEC 61010-2-010: Excess temperature protection adjustable from 0 °C ... 230 °C Low liquid level protection float switch Classification according to DIN 12876-1 class III

Supplementary safety installations Early warning system for low level float switch High temperature warning function optical + audible (in intervals) Low temperature warning function optical + audible (in intervals) Supervision of working sensor plausibility control Reciprocal sensor monitoring between

working and safety sensors difference >25 °C Alarm message optical + audible (permanent) Warning message optical + audible (in intervals)

Environmental conditions according to IEC 61 010-1: Use only indoor. Altitude up to 2000 m - normal zero. Ambient temperature: +5 ... +40 °C

Air humidity: Max. rel. humidity 80 % for temperatures up to +31 °C, linear decrease down to 50 % relative humidity at a temperature of +40 °C

Max. mains fluctuations of ±10 % are permissible.

Protection class according to IEC 60 529 IP21

The unit corresponds to Class I

Overvoltage category II Pollution degree 2

Caution:

The unit is not for use in explosive environment

Standards for interference resistance according to EN 61326-1 This unit is an ISM device classified in Group 1 (using high frequency for internal purposes) Class A (industrial and commercial range).

2.5. Cooling water connection

Cooling water pressure (IN / OUT ) max. 6 bar Difference pressure (IN - OUT ) 3.5 to 6 bar Cooling water temperature <20 °C

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Recommended quality of cooling water:

pH – value 7,5 to 9,0 Sulfate [SO4 2- ] < 100 ppm Hydrocarbonate [HCO3- ] / Sulphate [SO4 2-] > 1 ppm Hardness [Ca2+, Mg2+] / [HCO3-] > 0,5 dH Alkalinity 60 ppm < [HCO3-] < 300 ppm Conductivity < 500 μs / cm Chloride (CL-) < 50 ppm Phosphate (PO43-) < 2 ppm Ammonia (NH3) < 0,5 ppm Free Chlorine < 0,5 ppm Ferri Ions (Fe3+ ) < 0,5 ppm Mangano Ions (Mn2+) < 0,05 ppm Carbon dioxide (CO2) < 10 ppm Hydrosulfide (H2S) < 50 ppm Content of oxygen < 0,1 ppm Algae growth impermissible Suspended solids impermissible

Notice:

Danger of corrosion of heat exchanger due to unsuitable quality of cooling water.

• Due to its high content of lime hart water is not suitable for cooling and causes calcination of the heat exchanger.

• Ferrous water or water containing ferrous particles will cause formation of rust even in heat exchangers made of stainless steel.

• Chlorous water will cause pitting corrosion in heat exchangers made of stainless steel.

• Due to its corrosive characteristics distilled and deionized water is unsuitable and will cause corrosion of the bath. .

• Due to its corrosive characteristics sea water is not suitable.

• Due to its microbiological (bacteria) components which settle in the

heat exchanger untreated and unpurified river water and water from cooling towers is unsuitable.

• Avoid particulate matter in cooling water.

• Avoid putrid water.

Notice: Cooling water circuit

Risk of oil leaking from the cooling circuit (compressor) of the recirculating cooler into the cooling water in case of a fault in the circuit!

Observe the laws and regulations of the water distribution company valid in the location where the unit is operated.

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Operating instructions

3. Operating controls and functional elements

Front view Rear view

°C

1200

F25

15 A M P

A M P

21a

24b

15b

18a

21b

18b

15a16

FPW

1a 1b

Mains power switch, illuminated for circulator Mains power switch, illuminated for cooling machine

Start / stop key

Key for selecting the working temperature

Key for selecting the warning and safety values

Menu functions

Cursor keys (left or right)

Edit keys (increase or decrease)

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Enter key 1) Store value / parameter

2) Next lower menu level

Escape key 1) Cancel entries

2) Return to a higher menu level

Note: After about 30 seconds, the display automatically returns to the

standard display.

MULTI-DISPLAY (LED) temperature indication, menu indication

Control indicator –Heating

Control indicator – Cooling (without function)

Control indicator – Alarm

Adjustable excess temperature protection according to IEC 61010-2-010

15 15a 15b

Socket: control cable of JULABO refrigerated circulator or output for alarm messages

RS232

Interface RS232 : remote control via personal computer

18a

Mains circuit breakers (resettable) 15 A

18b

Mains fuses for cooling machine, T10A

Selector dial for cooling machine (only F25, F26, F34) Position "1" for operation with MC circulator.

20 Built-in mains outlet for connection of circulator

21a 21b

Mains power cable with plug for circulator

Mains power cable with plug cooling machine

Drain tap

23 Drain port (not on F12)

24a 24b

Pump connector: feed

Pump connector: return

25 Venting grid, removable

OUT

Only for water cooled models FPWxx: Cooling water OUTLET and INLET

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Safety notes for the user

4. 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).” The danger is classified using a signal word. Read and follow these important instructions for averting dangers.

Warning:

Describes a possibly highly dangerous situation. If these instructions

are not followed, serious injury and danger to life could result.

Caution:

Describes a possibly dangerous situation. If this is not avoided, slight or

minor injuries could result. A warning of possible property damage may also be contained in the text.

Notice:

Describes a possibly harmful situation. If this is not avoided, the

product or anything in its surroundings can be damaged.

4.2. Explanation of other notes Note!

Draws attention to something special.

Important!

Indicates usage tips and other useful information.

4.3. Safety recommendations

Follow the safety recommendations to prevent damage to persons or property. Further, the valid safety instructions for working places must be followed.

• Only connect the unit to a power socket with an earthing contact (PE – protective earth)!

• The power supply plug serves as a safe disconnecting device from the line and must always be easily accessible.

• Place the unit on an even surface on a base made of nonflammable material.

• Do not stay in the area below the unit.

• Make sure you read and understand all instructions and safety

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precautions listed in this manual before installing or operating your unit.

• Set the excess temperature safety installation at least 25 °C below the fire point of the bath fluid.

• Observe the limited working temperature range when using plastic bath tanks.

• Never operate the unit without bath fluid in the bath.

• Pay attention to the thermal expansion of bath oil during heating to

avoid overflowing of the fluid.

• Prevent water from entering the hot bath oil.

• 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).

• Use suitable connecting tubing.

• Avoid sharp bends in the tubing, and maintain a sufficient distance

from surrounding walls.

• Make sure that the tubing is securely attached.

• Regularly check the tubing for material defects (e.g., for cracks).

• Never operate damaged or leaking units.

• Always turn off the unit and disconnect the mains cable from the

power source before performing any service or maintenance procedures, or before moving the unit.

• Always turn off the unit and disconnect the mains cable from the power source before cleaning the unit.

• Always empty the bath before moving the unit.

• Transport the unit with care.

• Sudden jolts or drops may cause damage in the interior of the unit.

• Observe all warning labels.

• Never remove warning labels.

• Never operate units with damaged mains power cables.

• Repairs are to be carried out only by qualified service personnel.

• Some parts of the bath cover and the pump connections may become

extremely warm during continuous operation. Therefore, exercise particular caution when touching these parts.

Notice: Check the safety installations at least twice a year!

• Excess temperature protection according to IEC 61010-2-010. With a screwdriver turn back the adjustable excess temperature protection until the shut-down point (actual temperature).

• Low level protection according to IEC 61010-2-010. To check the function of the float, it can be manually lowered with a screwdriver for example.

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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

• environmentally unsafe

i.e.: dangerous The user alone is responsible for the handling of these substances!

The following questions shall help to recognize possible dangers and to reduce the risks to a minimum.

• Are all tubes and electrical cables connected and installed? Note: sharp edges, hot surfaces in operation, moving machine parts, etc.

• Do dangerous steams or gases arise when heating? Is an exhaust needed when working?

• What to do when a dangerous substance was spilled on or in the unit? Before starting to work, obtain information concerning the substance and determine the method of decontamination.

WARNING

This product contains chemicals known to the state of California to cause cancer, birth defects or other reproductive harm.

Page 23

5. Preparations

5.1. Installation

• Place the unit on an even surface on a pad made of nonflammable material.

F34-MC: The circulator fitted with a stainless steel bridge is placed on on the back of the bath tank leaving the bath open on the front side.

• The place of installation should be large enough and

provide sufficient air ventilation to ensure the room does not warm up excessively because of the heat the instrument radiates to the environment. (Max. permissible ambient temperature: 40 °C). With regard to a disturbance in the cooling loop (leakage), the guideline EN 378 prescribes a certain room space to be available for each kg of refrigerant. The necessary amount of refrigerant is specified on the type plate.

> For 0.25 kg of refrigerant R134a, a room space of 1 m

is required. > For 0.48 kg of refrigerant R404A, a room space of 1 m

is required. > For 0.49 kg of refrigerant R507, a room space of 1 m

required.

• Set selector dial for cooling machine (19) in position "1" for

operation with MC circulator.

(only F25, F26, F34)

• Keep at least 20 cm of open space on the front and rear venting grids.

• Do not set up the unit in the immediate vicinity of heat sources and do not expose to sun light

• Before operating the unit after transport, wait about one hour after setting it up. This will allow any oil that has accumulated laterally during transport to flow back down thus ensuring maximum cooling performance of the compressor.

OUT

¾"

Only for water cooled models

: (see page 16) Ensure circulation of cooling water by connecting the tubing to cooling water inlet and outlet on the rear of the refrigerated circulator. Cooling water pressure 3,5 - 6 bar. Cooling water temperature <20 °C.

Page 24

Preparations

5.2. Bath fluids

Caution:

Carefully read the safety data sheet of the bath fluid used, particularly

with regard to the fire point!

If a bath fluid with a fire point of ≤65 °C is used, only supervised operation is possible.

Water:

The quality of water depends on local conditions.

• Due to the high concentration of lime, hard water is not suitable for temperature control because it leads to calcification in the bath.

• Ferrous water can cause corrosion - even on stainless steel.

• Chloric water can cause pitting corrosion.

• Distilled and deionized water is unsuitable. Their special properties

cause corrosion in the bath, even in stainless steel.

Recommended bath fluids:

Bath fluid Temperature range soft/decalcified water 5 °C to 80 °C

See website for list of recommended bath fluids.

Contact: see page 6

Caution:

Fire or other dangers when using bath fluids that are not recommended:

Please contact JULABO before using other than recommended bath fluids. Use only nonacidic and noncorrosive bath fluids.

JULABO assumes no liability for damage caused by the selection of an unsuitable bath liquid. Unsuitable bath fluids are fluids which, e.g.,

• are highly viscous

(much higher than 50 mm2 x s-1 at the respective working temperature)

• have a low viscosity and have creep characteristics

• have corrosive characteristics or

• tend to crack.

• No liability for use of other bath fluids!

Page 25

5.3. Filling / draining

Notice:

• Pay attention to the thermal expansion of bath oil during heating to

avoid overflowing of the liquid.

• Do not drain the bath fluid while it is hot!

Check the temperature of the bath fluid prior to draining (by switching the unit on for a short moment, for example).

• Store and dispose the used bath fluid according to the laws for

environmental protection.

2223

Filling

Take care that no liquid enters the interior of the circulator.

• Recommended maximum filling level with water as bath fluid: 20 mm below the tank rim

• Recommended maximum filling level with bath oils: 30 mm below the tank rim

L After filling, immerse the samples in the bath or place

the lid on the bath, in case the opening is not to be used.

L The circulator provides an early warning system for low

level (description – please refer to page 34) that may be triggered when changing samples in the bath.

Draining

• Turn off the circulator and cooling machine.

• Hold the venting grid, pull out and remove.

• Slide a short piece of tube onto the drain port (23) and

hold it into a pail.

• Unscrew the drain tap (22) and empty the unit completely.

• Tighten the drain tap.

Page 26

Preparations

5.4. Temperature application to external systems

Caution: Securely attach all tubing to prevent slipping.

If the circulator is operated without external system, close the pump

connector (24a) with the cap nut.

RS 232

A M P

15 A M P

24a 24b

The circulator is used for temperature application to external, closed systems (loop circuit) with simultaneous temperature application in the circulator bath.

Connecting the external system

• Unscrew the collar nuts from the pump connector (24a).

• Slide the tubing onto the pump connectors for feed and return flow (24a, 24b).

5.4.1. Tubing Recommended tubing:

Order No. Length Temperature range 8 930 008 1 m CR® tubing 8 mm inner dia. -20 °C to 120 °C 8 930 010 1 m CR® tubing 10 mm inner dia. -20 °C to 120 °C 8 930 108 1 m Viton tubing 8 mm inner dia. -50 °C to 200 °C 8 930 110 1 m Viton tubing 10 mm inner dia. -50 °C to 200 °C 8 930 410 1 m Insulation for tubing 8 mm or

10 mm inner dia.

-50 °C to 100 °C

8 930 209 0.5 m 8 930 210 1.0 m 8 930 211 1.5 m 8 930 214 3.0 m

Metal tubing, triple insulated, M16x1* -100 °C to +350 °C

8 930 220 0.5 m 8 930 221 1.0 m 8 930 222 1.5 m 8 930 223 3.0 m

Metal tubing, insulated, M16x1 * -50 °C to +200 °C

*) Adapter for metal tubing M10x1 on M16x1 Order No. 8 970 444

Page 27

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:

• Burning of skin

• Difficulties in breathing due to hot atmosphere

Safety recommendations

• Employ suitable connecting tubing.

• Make sure that the tubing is securely attached.

• Avoid sharp bends in the tubing, and maintain a sufficient distance

from surrounding walls.

• Regularly check the tubing for material defects (e.g. for cracks).

• Preventive maintenance: Replace the tubing from time to time.

Page 28

Operating procedures

6. 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.

• Never operate equipment with damaged mains power cables.

• Regularly check the mains power cables for material defects (e.g. for

cracks).

• 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.

• Connect the circulator with mains power cable (21a) to the mains outlet (20).

• Connect the control cable (15) between the connectors  (15a, 15b).

• Connect the refrigerated circulator with mains power cable (21b) to the mains socket.

6.2. Switching on / Start - Stop

Version

F25

FP50

Switching on:

• Circulator and cooling machine may be turned on and off with separate mains switches. The integrated control light will illuminate to indicate that power has beeen applied.

L The unit performs a self-test. All segments of the 4-digit

MULTI-DISPLAY (LED) and all indicator lights will illuminate. Then the software version (example: V1.00) and the configuration (example: c225) of the unit appears.

The display „OFF“ or „R OFF“ indicates the unit is ready to

operate.

L The circulator enters the operating mode activated before

switching the circulator off:

keypad control mode (manual operation, factory setting) or remote control mode (operation via personal computer).

Page 29

Start:

• Press the start/stop key.

. The MULTI-DISPLAY (LED) indicates the actual bath temperature. The circulating pump starts with a slight delay.

Stop:

• Press the start/stop key.

. The MULTI-DISPLAY (LED) indicates the message "OFF".

Caution: F12-MC

If the circulator is turned off with the mains switch (1a), or in operating state „OFF“ or „rOFF“, the refrigerating unit is not switched off simultaneously. Turn off the refrigerating unit with the mains switch (1b) as well. Danger of freezing when water is used as bath fluid!

L Control of the cooling machine:

With the mains switch (1b) turned on, the circulator automatically switches the cooling machine off and on.

• It is switched off, if:

- the actual working temperature is increased by >30 °C (cooling is not required).

- the heater operates at full power (>800 W) for longer than 5 minutes.

• It is switched on, if:

- cooling is necessary for maintaining the bath temperature. After switch-off, the cooling machine automatically switches on only after a delay of 5 minutes for protecting the cooling compressor.

L To save energy, turn off the cooling machine with the mains

switch (1b) whenever cooling is not required.

Page 30

Operating procedures

6.3. Automatic / non-automatic start mode AUTOSTART ON / OFF

 Keep depressed enter and the start/stop key

 and turn on the circulator with the mains power switch.

For a short while the MULTI-DISPLAY indicates the effective 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“ or „rOFF“, resp. on the MULTI-DISPLAY (LED). A complete shutdown of the main functional elements such as heater and circulation pump is effected simultaneously.

Should such a safety standard not be required, the AUTOSTART function (automatic start mode) may be activated, thus allowing the start of the circulator directly by pressing the mains power switch or using a timer.

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. recommendations.

Take care you fully observe the safety and warning functions of the circulator.

Page 31

7. Setting the temperatures



The function of the

key is configurable.

1. If the key is pressed, normally only one adjustable working temperature is displayed (factory setting).

2. Press the

button to call up the menu , then

assign a menu with 3 pre-adjustable setpoints to the key. (see page 43)

7.1. 1-setpoint mode

Example: Actual value

Setpoint 



Actual value 



1. Press the key. The setpoint value instead of the

actual value is indicated on the display. The value can now be changed.

2. Change the value: (Example: 30.0 °C to 65.0 °C)

• Use the cursor keys

to move left or right on the

display until the numeral you wish to change blinks.

• Use the increase/decrease arrows

to change

the selected numeral (-, 0, 1, 2, 3, ... 9).

3. Press enter to store the value.

L Setting can be carried out in the start/stop condition.

7.2. 3-setpoint mode

Factory settings:

25 °C

37 °C

70 °C

Press the

key to call up the menu for temperature

selection.

3 different working temperatures are adjustable. Their values are freely selectable within the operating temperature range.

L Setting can be carried out in the start/stop condition.

Page 32

Setting the temperatures

Example: Setting working temperature "t 3":

Identifier of a menu window

Example: Indication of effective actual value

1. Press the key until the desired menu window is

indicated on the MULTI-DISPLAY (LED).

Example: t 3

2. Press enter to indicate the adjusted value for t 3 on

the MULTI-DISPLAY (LED).

Example:

70.0 °C (last digit blinks)

3. Change the value to 85 °C.

Use the cursor keys

to move left or right on the

display until the numeral you wish to change blinks.

Use the increase/decrease arrows

to change the

selected numeral (-, 0, 1, 2, 3, ... 9).

Example:

4. Press enter to store the selected value.

Press

to update the display immediately.

L In the >Start< condition, the circulator immediately uses

this value for control of the working temperature.



Notice: see chapter

8.3. Limitation of the operating temperature range

Example: Selecting the working temperature

• Press the key until the desired menu window is

indicated on the MULTI-DISPLAY (LED).

• Press enter

twice. The circulator uses the new working temperature value for temperature control.

Page 33

8. Safety installations, warning functions

Check the safety installations at least twice a year (see page 21)!

Settings for the excess temperature protection according to IEC 61010-2-010 and for the high and low temperature warning functions are made

in a menu that is called up with the key

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, a complete shutdown of the heater and pump is effected. The alarm is indicated by optical and audible signals (continuous tone) and on the MULTI-DISPLAY (LED) appears

the error message "Error 14".

1. Press the key and call up the menu .

2. Press enter .

The adjusted cut-out value is indicated on the MULTIDISPLAY (LED).

3. Set the new cut-out value using a screwdriver via the

MULTI-DISPLAY (LED). (Example: 100 °C)

4. Press to update the display immediately.

Recommendation:

Set the excess temperature protection at 5 to 10 °C above

the working temperature setpoint.

Warning:

The excess temperature protection >tSA< should be set at least 25 °C below the fire point of the bath fluid used. In the event of wrong setting there is a fire hazard! We disclaim all liability for damage caused by wrong settings!

Page 34

Safety installations, warning functions

8.1.1. Early warning system, low level protection

(patented)

This low level protection is independent of the control circuit and is divided in two sections.

1. Switch in stage 1 recognizes a defined

fluid level

.

An audible warning (interval tone) sounds and on the MULTI-DISPLAY (LED) the message

"E 40" appears. Refill bath fluid!

2. Switch in stage 2 recognizes a low fluid level

.

If stage 2 of the low level protection device (according to IEC 61010-2-010) is triggered, a complete shutdown of the heater and circulating pump is effected. A continuous alarm tone sounds and a message >CODE 01< appears on the MULTI-DISPLAY (LED).

Turn off the unit with the mains switch, refill bath fluid and turn the unit on again!

3. Float

4. Circulating pump

5. Heater

Important: Check the safety installations from time to time.

(see page 21)

Warning:

For refill always use the same bath fluid type that is already in the bath. Bath oils must not contain any water contaminants and should be preheated to the actual bath temperature! Explosion hazard at higher temperatures!

Page 35

8.2. High and low temperature warning functions

Factory settings:

High temperature limit t High 205 °C

Low temperature limit t Low -55 °C

If for a sensitive temperature application task adherence to a working temperature value (setpoint) is to be supervised, then set high and low temperature warning values. In the example below, the >Setpoint< of 85 °C is surrounded by the values > t High < 87 °C and > t Low < 83 °C. The electronics immediately registers when the actual temperature attains a temperature out of the limits and it follows a reaction according to what is set in the menu item > Li < (Warning or Alarm).

(see chapter 8.4. Change-over of the warning function to shutdown function).

1. Press the key until the menu item

or is displayed.

2. Press enter to indicate the adjusted value on the

MULTI-DISPLAY (LED) (digit blinks).

3. Set value:

Use the cursor keys

to move left or right on the

display until the numeral you wish to change blinks.

Use the increase/decrease arrows

to change the

selected numeral (-, 0, 1, 2, 3, ... 9).

4. Press enter to store the selected value.

Press

to update the display immediately

Page 36

Safety installations, warning functions

L The warning functions are only triggered when the actual

bath temperature, after start from the „OFF“ or „rOFF“ mode, lies within the set limits for 3 seconds.

Recommendation::

Set the high temperature warning value >t High< 5 °C to10 °C above the working temperature setpoint

Set the low temperature warning value >t Low< 5 °C to 10 °C below the working temperature setpoint

8.3. Limitation of the operating temperature range

Factory settings:

t HighSetpoint: 200 °C

t LowSetpoint: -50 °C

The limitation of the operating temperature range effects the temperature setting under the menu called up with the

key. It is possible to adjust only working temperatures that lie within the limit range set here. Existing settings for Setpoint 1, 2, 3 and also for > t High < and > t Low < (see page 35) are automatically defered within the limit range.

1. Press the key until the menu item

or is displayed.

2. Press enter to indicate the adjusted value on the

MULTI-DISPLAY (LED) (digit blinks).

3. Set value:

Use the cursor keys

to move left or right on the

display until the numeral you wish to change blinks.

Use the increase/decrease arrows

to change the

selected numeral (-, 0, 1, 2, 3, ... 9).

4. Press enter to store the selected value.

Press

to update the display immediately.

Page 37

8.4. Change-over of the warning function to shutdown function

Factory setting: Li 0

t High

High temperature limit

t Low

Low temperature limit

For the two menu items > t High < and > t Low < choose between a warning message being signalled or a complete shutdown of the main functional elements such as heater and circulating pump being effected. (see page 35)

• Setting >Li / 0<

An audible warning (interval tone) sounds and a

meassage appears on the MULTI-DISPLAY (LED). t High t Low

• Setting >Li / 1< A complete shutdown of heater and circulating pump is effected.

An audible alarm (continuous tone) sounds and a

message appears on the MULTI-DISPLAY (LED). t High t Low

or .

1. Press the key until the menu item

is displayed.

2. Press enter to indicate the adjusted parameter on

the MULTI-DISPLAY (LED) (digit blinks).

3. Select the parameter with the keys (0 / 1).

4. Press enter to store the selected parameter.

Press

to update the display immediately.

Page 38

Menu functions

9. Menu functions



Pump

The term „menu functions“ refers to adjustments such as

• electronically adjustable pump capacity



ATC

• ATC - Absolute Temperature Calibration

ATC status

Type (Art): >1. point<, >2. point < or >3. point <

calibration

2 values per calibration point

ttx = Defined temperature value of the

calibration point. This value is automatically stored with >Ctx< and can be indicated for control purposes.

Ctx = The „Calibration value“ is determined with

a temperature measuring device and stored under menu item > Ctx <.



• Change-over the

key mode.



Remote



Baudrate



Handshake



Parity

• Online communication, with adjustable interface parameters



• PID temperature control, control parameters



Reset

• Factory setting

Page 39

9.1. Setting the pump pressure

Factory setting: Stage 2

The pressure of the circulating pump is adjustable in four grades

Flow rate: 11 ... 16 l/min Pump pressure: 0.22 ... 0.45 bar

1. Press the button until the menu item

is displayed.

2. Press enter to indicate the parameter.

3. Select the parameter with the keys (1 ... 4).

4. Press enter to store the selected parameter.

Press

to update the display immediately.

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.

• Tighten the screw.

external 80

internal100

internal 20 %

Examples:

Internal applications in the bath

A 100 % internal bath circulation

(for large bath tanks)

B Reduced internal bath circulation

(for smooth surface of bath fluid)

External/internal applications

C 40 % external discharge,

60 % internal circulation (for large bath tanks)

D 80 % external discharge,

20 % internal circulation (for small bath tanks)

Page 40

Menu functions

9.2. ATC Absolute Temperature Calibration, 3-point calibration

ATC serves to compensate a temperature difference that might occur between circulator and a defined measuring point in the bath tank because of physical properties.

Examples: 1-point calibration

°C

T 1

3-point calibration

°C

T 1

1 = Original curve

Principle:

For ATC calibration, in steady state the bath temperature at the location of the temperature sensor (T

) is determined at the respective adjusted working temperature. This value is then set on the circulator in the menu >ATCalibration< under menu item >Calwert X<. This can be a 1-point, 2-point or 3-point calibration.

M = Temperature measuring instrument with temperature sensor (TF) B = Bath tank with T = circulator T

= Temperature on measuring point

= Temperature on circulator

The menu ATC - Absolute Temperature Calibration is structured in 2 levels.

ATC status Calibration type: 1-, 2-, 3-point calibration

2 values per calibration point

ttx = Temperature indication on circulator Indicates the value of the calibration point entered last. Ctx = Calibration temperature x Input of the new value for the calibration curve.

Page 41

Examples: T

= 80.0 °C

= 79.7 °C

= 120.0 °C

= 119.5 °C

= 160.0 °C

= 159.3 °C

Example: 3-point calibration

In the temperature range of 80 °C to 160 °C the calibration curve of the temperature sensor (T

) should be assimilated to

the actual temperatures on the measuring point (T

1. Calibration procedure:

Press

and set the first temperature value under e g.

for example (example 1st value = 80 °C).

2. Wait until this temperature is maintained constant in the

bath for about 5 minutes.

ATC status

Factory setting: YES

Example

3. Call up the >ATC< menu:

Press the

button until the menu item is

displayed and press enter

to switch to menu level 2.

4. Adjusting menu item >ATC Status<: .

Press enter

and indicate the parameter.

Select the parameter with the keys

(no / YES).

Press enter

to store the selected parameter.

>no< During the calibration process >no< needs to be

set.

Continue: Press the button to call up the menu item >Art<.

>YES< The controller of the circulator uses the new

calibration curve. Set this parameter after the calibration process.

Continue: Press to quit the menu.

5. Determine the calibration type:

(1-point, 2-point or 3-point calibration.)

Press the

button until the menu item is

displayed and press enter

to indicate the parameter.

Select the parameter with the keys

(1, 2, 3).

Press enter

to store the selected parameter.

Page 42

Menu functions

L Depending on which calibration type is selected (1-point,

2-point or 3-point calibration) only the necessary menu items are indicated.

For 1-point calibration: >tt1< and >Ct1<

For 2-point calibration: >tt1< and >Ct1< >tt2< and >Ct2<

For 3-point calibration: >tt1< and >Ct1< >tt2< and >Ct2< >tt3< and >Ct3<

From example on page 41 for T

= Ctx

= 79.7 °C

= 119.5 °C

= 159.3 °C

6. Setting and storing the value:

Press the

button until the menu item

is displayed and press enter to open the input window. Read the value of T

on the temperature measuring

device and enter the respective value.

Use the cursor keys

to move left or right on the

display until the numeral you wish to change blinks.

Use the increase/decrease arrows

to change

the selected numeral (-, 0, 1, 2, 3, ... 9).

Press enter

and the circulator also stores the

value of T

as value for (80.00 °C).

The first of the 3 points is now calibrated.

L The values for >ttx< can only be displayed, but they

cannot be modified.

7. Repeat the calibration procedure for 120 °C and 160

°C.

Store the values under

or resp.



Notice:

In the ATC status > YES<, the ATC calibration curve always affects the effective working temperature (also the one set via the interface).

Page 43

9.3. Change-over of the

key mode

Factory setting: no

Normally, the

key is used to indicate only one

adjustable working temperature.

Press the

key, to call up a menu with 3 pre-adjustable

setpoints.

1. Press the button until the menu item is

displayed.

2. Press enter to indicate the parameter.

3. Select the parameter with the keys (YES/no).

4. Press enter to store the selected parameter.

>no< Key

in 1-setpoint mode

>YES< Key

in 3-setpoint mode

Continue: Press

to quit the menu.

9.4. Remote control: activate – deactivate

Factory setting: no

The circulator is to be prepared for remote control by a personal computer via the serial interface RS232: Set the

menu item >remote< from >no< to >YES<.

1. Press the button until the menu item is

displayed.

2. Press enter to indicate the parameter.

3. Select the parameter with the keys (YES/no).

4. Press enter to store the selected parameter.

>no< No remote control via RS232

>YES<

Continue: Press

to quit the menu.

The display changes from

keypad control mode (manual operation) to remote control mode (operation via personal computer).

Page 44

Menu functions

9.5. Interface - Baud rate, Handshake, Parity

Factory settings:

4.8 kBauds 2 = even Hardware handshake

To allow communication of the circulator with a PC or a superordinated process control system take care the interface parameters of both units match.

Adjustable interface parameters

Example: 4.8 kbauds

Baud rate 4.8 = 4800 bauds

9.6 = 9600 bauds

19.2 = 19200 bauds

38.4 = 38400 bauds

Example: 2 = even

Parity 0 = no Parity

1 = odd 2 = even

Handshake

0 = Xon/Xoff protocol software handshake 1 = Protocol RTS/CTS hardware handshake

Data bits = 7; Stop bits = 1

1. Press the button until the desired menu item is

displayed.

2. Press enter to indicate the parameter.

3. Select the parameter with the keys .

4. Press enter to store the selected parameter.

Page 45

9.6. Control parameters – Xp, Tv, Tn

The control parameters preset in factory are in most cases adequate for achieving an optimum temperature pattern for the samples requiring temperature application. Each parameter may be manually set via the keypad if necessary, to allow optimum control performance.

Setting range:

0.1 ... 99.9

Proportional range >Xp<

The proportional range is the range below the selected temperature value in which the control circuit reduces the heating power from 100 % to 0 %.

Setting range:: 1 ... 9999

Resetting time >Tn< (Integral component)

Compensation of the remaining control deviation due to proportional regulation. An insufficient resetting time may cause instabilities to occur. Excessive resetting time will unnecessarily prolong compensation of the control difference.

Setting range: 0 ... 99

Lead time >Tv< (Differential component)

The differential component reduces the control settling time. An insufficient lead time will prolong the time required to compensate for disturbance effects and cause high overshooting during run-up. An excessive lead time could cause instabilities (oscillations) to occur.

1. Press the button until the desired menu item is

displayed.

2. Press enter to indicate the parameter.

3. Set value:

Use the cursor keys

to move left or right on the

display until the numeral you wish to change blinks.

Use the increase/decrease arrows

to change the

selected numeral (-, 0, 1, 2, 3, ... 9).

4. Press enter to store the selected value.

Page 46

Menu functions

Optimization instructions for the PID control parameters:

optimum setting

°C

The heat-up curve reveals inappropriate control settings.

Inappropriate settings may produce the following heat-up curves:

Xp too low

°C

Tv/Tn too low

°C

Xp too high or Tv too high

°C

Tv/Tn too high or Xp too high

°C

9.7. Reset

Use this to reset all values to factory setting.

Factory setting: no

1. Press the button until the menu item is

displayed.

2. Press enter to indicate the parameter (no).

3. Press the keys to select the parameter (YES).

4. Press enter to confirm the reset.

After the reset is carried out, the parameter is automatically set to >no<.

Page 47

10. Troubleshooting guide / Error messages

Alarm with a complete shutdown of the unit

Whenever the microprocessor electronics registers a failure, a complete shutdown of the heater and circulating pump is

performed. The alarm light „

“ illuminates and a continuous signal tone sounds. The MULTI-DISPLAY (LED) indicates the cause for the alarm in form of a code.

Warning without a complete shutdown of the unit

The MULTI-DISPLAY (LED) indicates the cause for the warning in form of a code and an acoustic signal sounds in regular intervals. These messages appear every 10 seconds.

Press enter

to quit the audible signal.

• The circulator is operated without bath fluid, or the liquid level is

insufficient. Replenish the bath tank with the bath fluid.

• Tube breakage has occured (insufficient filling level due to

excessive bath fluid pumped out). Replace the tubing and replenish the bath tank with the bath fluid.

• The float is defect (e. g., because damaged in transit). Repair

by authorized JULABO service personnel.

• During the self-test after switch-on a short-circuit is registered

between pin 2 and pin 4 of the control cable or the control cable is interrupted during operation. Reconnect the cable or eliminate the short-circuit.

• Excess temperature warning or

Excess temperature alarm with a complete shutdown of the main functional elements being effected.

Warn type: >Li 0 = Warning< or > Li 1 = Alarm<

• Low temperature warning or

Low temperature alarm with a complete shutdown of the main functional elements being effected.

Warn type: >Li 0 = Warning< or > Li 1 = Alarm<

• Cable of the working temperature sensor interrupted or short-

circuited.

Page 48

Troubleshooting guide / Error messages

• Defect of the working or excess temperature sensor. Working temperature and excess temperature sensors report a temperature difference of more than 25 °C.

• Other errors (I

C-BUS errors)

• Error in A/D converter

• Excess temperature sensors defect.

• The excess temperature value lies below the working

temperature setpoint. Set the excess temperature to a higher value.

• Cooling of the condenser is affected. Clean air-cooled condenser. Check the flow rate and cooling water temperature on watercooled condenser.

• Compressor stage 1 does not work. After a short cooling interval, the compressor motor will be automatically reconnected and the message "CODE 21" no longer appears.

• Compressor stage 2 does not work.

• Cooling compressor overload protection

The motor of the cooling compressor is equipped with an overload protector, which will be activated by excessive temperature in the capsule or by excessive current consumption.

• Causes for motor disconnection:

- poor air circulation

- small distance to walls

- dirt accumulated on condenser

- high ambient temperature

- switch-off and on for short intervals

• Excess temperature in stage 1 of the compressor.

• Excess temperature in stage 2 of the compressor.

• Short-circuit in the control cable for the refrigerating machine

during self-test.

• Cable of the excess temperature sensor interrupted or shortcircuited.

Page 49

• The early warning system for low level signals a critical fluid level. Replenish the bath tank with the bath fluid.

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.

Special message „CONFIGURATION ERROR“ The configuration of the circulator does not conform to its present use.

Press enter

to automatically perform a single modification of the configuration. Then contact an authorized JULABO service station.

Disturbances that are not indicated.

The electronic pump motor is overload-protected by an electronic current limiter. If viscosity of the bath fluid is or becomes too high, the motor stops running.

A M P

Mains circuit breakers (resettable) 15 A

Cooling machine: Fuse T 10.0 A, dia.5 x 20 mm The mains fuses (8b) on the rear of the unit may easily be exchanged as shown on the left.

Warning:

Before exchanging the fuses, turn off the mains power switch and

disconnect the power plug from the mains socket!

Only use fine fuses with a nominal value as specified.

Example:

Manufacturer Supplier Type Order No. Wickmann Wickmann G- fuse insert

T10,0A 5x20 mm

No. 19195

Page 50

Electrical connections

11. Electrical connections

Notice:

Use shielded cables only. The shield of the connecting cable is electrically connected to the plug housing. The unit ensures safe operation if connecting cables with a maximum length of 3 m are used. The use of longer cables does not affect proper performance of the unit, however external interferences may have a negative impact on safe operation.

/ Control output

The

connector may be used for control of JULABO

refrigerated circulators or as output for alarm messages.

Circuit: Operation = relay powered Alarm = relay not powered

Pin assignment: Pin Signal

1 +24 V (I max. current 25 mA) 2 0 V 3 Alarm relay 4 Reserved - do not use! 5 Cooling pulse

RS232 serial interface

This port can be used to connect a computer with an RS232 cable for remote control of the circulator.

RS232C

Pin assignments RS232:

Pin 2 RxD Receive Data Pin 3 TxD Transmit Data Pin 5 0 V Signal GND Pin 6 DTR Data terminal ready Pin 7 RTS Request to send Pin 8 CTS Clear to send

Accessories: Order No. Description

8 980 073 RS232 interface cable 9-pol./9-pol. , 2,5 m

8 900 110 USB interface adapter cable

Page 51

12. Remote control

12.1. Setup for remote control

RS232C

• Check the interface parameters for both interfaces (on circulator and PC) and make sure they match. (Serial interface - see page 44)

• Set the menu item >Remote< from >no< to >YES<. (see page 43).

• Connect both units with an interface cable.



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

If the circulator is put into remote control mode via the menu item >Remote<, the MULTI-DISPLAY (LED) will read „R -OFF-„ = REMOTE STOP. The circulator is now operated via the computer. In general, the computer (master) sends commands to the circulator (slave). The circulator sends data (including error messages) only when the computer sends a query.



In remote control mode: After a power interruption the order to start and all values which have to be adjusted must be resent from the personal computer via the interface. AUTOSTART is not possible.

A transfer sequence consists of:

• command

• space (⇔; Hex: 20)

• parameter (the character separating decimals in a group is

the period)

• end of file (↵; Hex: 0D)

The commands are divided into in or out commands.

in commands: asking for parameters to be displayed out commands: setting parameters

Page 52

Remote control

The out commands are valid only in remote control mode.

Examples: Command to set the working temperature >t 1< to 55,5 °C:

out_sp_00 ⇔ 55.5↵

Command to ask for the working temperature >t 1<:

in_sp_00↵

Response from the circulator:

55.5↵

12.3. List of commands

out commands: Setting parameters or temperature values.

Command Parameter Response of circulator

version None Number of software version (V X.xx)

status none Status message, error message (see page 54 )

out_mode_01 0 Use working temperature >t 1<

out_mode_01 1 Use working temperature >t 2<

out_mode_01 2 Use working temperature >t 3<

out_mode_05 0 Stop the unit = R –OFF-.

out_mode_05 1 Start the unit.

out_sp_00 xxx.xx Set working temperature. „t 1“

out_sp_01 xxx.xx Set working temperature. „t 2“

out_sp_02 xxx.xx Set working temperature. „t 3“

out_sp_03 xxx.xx Set high temperature warning limit „t High“

out_sp_04 xxx.xx Set low temperature warning limit „t Low“

out_sp_07 x Set the pump pressure stage. (1 ... 4)

out_par_06 xxx Xp control parameter of the internal controller.

out_par_07 xxx Tn control parameter of the internal controller.

out_par_08 xxx Tv control parameter of the internal controller.

Page 53

in commands: Asking for parameters or temperature values to be displayed.

Command Parameter Response of circulator

in_pv_00 none Actual bath temperature.

in_pv_01 none Heating power being used (%).

in_pv_03 none Temperature value registered by the safety sensor.

in_pv_04 none Setpoint temperature („SafeTemp“) of the excess

temperature protection

in_sp_00 none Working temperature „t 1“

in_sp_01 none Working temperature „t 2“

in_sp_02 none Working temperature „t 3“

in_sp_03 none High temperature warning limit „t High“

in_sp_04 none Low temperature warning limit „t Low“

in_sp_07 none Pump pressure stage

in_par_01 none Te - Time constant of the external bath.

in_par_02 none Si - Internal slope

in_par_03 none Ti - Time constant of the internal bath.

in_par_06 none Xp control parameter of the internal controller.

in_par_07 none Tn control parameter of the internal controller.

in_par_08 none Tv control parameter of the internal controller.

in_mode_01 none Selected setpoint:

0 = Setpoint „t 1“ 1 = Setpoint „t 2“ 2 = Setpoint „t 3“

in_mode_05 none

Circulator in Stop/Start condition:

0 = Stop

1 = Start

Page 54

Remote control

12.4. Status messages

Status messages Description

00 MANUAL STOP

Circulator in „OFF“ state.

01 MANUAL START

Circulator in keypad control mode.

02 REMOTE STOP

Circulator in „r OFF“ state.

03 REMOTE START

Circulator in remote control mode.

12.5. Error messages Error messages

Description

-01 LOW LEVEL ALARM

Low liquid level alarm.

-02 REFRIGERATOR ALARM

Control cable of the refrigerated circulator or MVS solenoid valve controller short-circuited or interrupted.

-03 EXCESS TEMPERATURE

WARNING

High temperature warning.

-04 LOW TEMPERATURE

WARNING

Low temperature warning.

-05 WORKING SENSOR ALARM Working temperature sensor short-circuited or

interrupted.

-06 SENSOR DIFFERENCE

ALARM

Sensor difference alarm. Working temperature and safety sensors report a temperature difference of more than 25 °C.

-07 I2C-BUS ERROR Internal error when reading or writing the I2C

bus.

-08 INVALID COMMAND Invalid command.

-09 COMMAND NOT ALLOWED

IN CURRENT OPERATING MODE

Invalid command in current operating mode.

-10 VALUE TOO SMALL Entered value too small.

-11 VALUE TOO LARGE Entered value too large.

-12 TEMPERATURE

MEASUREMENT ALARM

Error in A/D converter.

-13 WARNING : VALUE

EXCEEDS TEMPERATURE LIMITS

Value lies outside the adjusted range for the high and low temperature warning limits. But value is stored.

Page 55

Error messages

Description

-14 EXCESS TEMPERATURE PROTECTOR ALARM

Excess temperature protection alarm

-20 WARNING: CLEAN CONDENSOR OR CHECK COOLING WATER CIRCUIT OF REFRIGERATOR

Cooling of the condenser is affected. Clean air-cooled condenser. Check the flow rate and cooling water temperature on water-cooled condenser.

-21 WARNING: COMPRESSOR STAGE 1 DOES NOT WORK

Compressor stage 1 does not work.

-22 WARNING: COMPRESSOR STAGE 2 DOES NOT WORK

Compressor stage 2 does not work.

-23 WARNING: HIGH TEMPERATURE ON COMPRESSOR STAGE 1

Excess temperature on compressor stage 1.

-24 WARNING: HIGH TEMPERATURE ON COMPRESSOR STAGE 2

Excess temperature on compressor stage 2.

-25 REFRIGERATOR WARNING

Error in the refrigerating machine.

-30 CONFIGURATION ERROR: CONFIRM BY PRESSING <ENTER> ON CIRCULATOR

The configuration of the circulator does not conform to its present use.

Press enter

to automatically perform a

single modification of the configuration.

-33 SAFETY SENSOR ALARM Excess temperature sensor short-circuited or

interrupted.

-40 NIVEAU LEVEL WARNUNG Low liquid level warning in the internal reservoir.

Page 56

JULABO Service – Online remote diagnosis

13. JULABO Service – Online remote diagnosis

JULABO circulators of the HighTech series are equipped with a black box. This box is implemented in the controller and records all significant data for the last 30 minutes. In case of a failure, this data can be read out from the unit by using special software. This software is available

as a free download from www.julabo.de

EasyBlackBox.

• Installation is easy and is performed step by step. Please observe the instructions.

• Data read-out is possible in the conditions “OFF”, “R OFF” or “ALARM”.

• Connect the circulator to the computer using an interface cable.

• Start the EasyBlackBox program.

The program asks for the port used (COM1, ......)

and the baud rate of the unit. You do not have this information on hand? Simply try it out! The program continues to send the request until the correct settings are made.

• Data is read out and shown on the monitor divided into the sections >Einstellungen/Settings<, >Alarmspeicher/Alarms stored<, >Blackbox<

 see example

• After pressing >Speichern/Save<, a text file is created. The program suggests a filename >C:\model description and barcode no.<. Modifications are possible.

• E-mail this file to service@julabo.de

, JULABO's service department. JULABO is thus able to provide rapid support.

Page 57

14. Cleaning / repairing the unit

Caution:

• Always turn off the unit and disconnect the mains cable from the

power source before cleaning the unit.

• Prevent humidity from entering into the circulator.

• Electrical connections and any other work must be performed by

qualified personnel only.

To maintain the full cooling performance, clean the condenser from time to time.

• Switch off the unit, disconnect mains power cable.

• Hold the venting grid, pull out and remove.

• Clean the ribbed condenser with a vacuum cleaner.

• Replace the venting grid.

• Switch on the unit.

Water cooled models: In order to maintain a good condition of the cooling compressor, the sieve in the cooling water input should be cleaned in regular intervals.

Cleaning:

For cleaning the bath tank and the immersed parts of the circulator, use low surface tension water (e.g., soap suds). Clean the outside of the unit using a wet cloth and low surface tension water.

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 Before asking for a service technician or returning a

JULABO instrument for repair, please contact an authorized JULABO service station.

Page 58

Cleaning / repairing the unit

When returning the unit:

• Clean the unit in order to avoid any harm to the service personnel.

• Attach a short fault description.

• During transport the unit has to stand upright. Mark the

packing correspondingly.

• When returning a unit, take care of careful and adequate packing.

• JULABO is not responsible for damages that might occur from insufficient packing.

JULABO reserves the right to carry out technical modifications with repairs for providing improved performance of a unit.

Julabo F25-MC, F12-MC, F26-MC, F33-MC, FP35-MC Operating Manual

Specifications and Main Features

Frequently Asked Questions

User Manual