Julabo DYNEO DD Instruction Manual

english

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Immersion / Open Bath / Refrigerated Circulators

Operating Instructions

Important: keep original operating manual for future use.

1.953.1300-V0

Table of contents

1 DYNEO DD Product Overview ................................................................ 5

2 Intended use ......................................................................................... 5

3 DYNEO DD - Description ........................................................................ 6

4 Explanation of safety information ......................................................... 7

4.1 Explanation of other information ..................................................... 7

5 Safety instructions ................................................................................. 8

6 Operator's responsibility - safety instructions ..................................... 10

6.1 Requirements for the operating personnel .................................... 10

6.2 Operating and ambient conditions for using the unit ..................... 10

6.3 Operating the unit ........................................................................... 11

7 Control and functional elements ......................................................... 13

7.1 Installation of the circulator ............................................................ 16

8 Preparations for operating the device ................................................. 16

8.1 Securing the immersion circulator .................................................. 16

8.2 Closed stainless steel bath tanks ..................................................... 22

8.3 Basic refrigeration baths ................................................................. 23

8.4 Bath fluids ....................................................................................... 24

8.5 Temperature control for external connected systems ................... 26

8.6 Tubing ............................................................................................. 27

9 Commissioning .................................................................................... 28

9.1 Excess temperature and low level safety devices ........................... 28

10 Filling ................................................................................................... 29

10.1 Pump settings.................................................................................. 30

11 Display elements ................................................................................. 31

12 Switching on/selecting language ......................................................... 33

13 Adjust safety ....................................................................................... 35

13.1 Temperature limits .......................................................................... 35

13.2 Adjusting setpoint limits ................................................................. 36

DYNEO DD Product Overview

14 Adjusting setpoint temperature/start/stop ........................................ 38

15 Main menu .......................................................................................... 39

15.1 Applying settings ............................................................................. 39

15.2 Thermodynamic .............................................................................. 43

15.3 Use programmer ............................................................................. 49

15.4 Connecting unit with PC .................................................................. 57

15.5 Install unit ........................................................................................ 66

15.1 Record data ..................................................................................... 70

15.2 Service ............................................................................................. 72

16 Emptying the bath tank ....................................................................... 73

17 Technical data ..................................................................................... 74

17.1 Technical data for circulator ............................................................ 74

17.2 Technical data for refrigeration circulation circulator .................... 75

17.3 Refrigerant ....................................................................................... 79

18 Materials for parts in contact with the medium .................................. 81

18.1 Circulator ......................................................................................... 81

19 Accessories ......................................................................................... 81

19.1 For external connection .................................................................. 81

19.2 For open baths ................................................................................ 81

20 Maintenance, cleaning, storage .......................................................... 82

20.1 Maintain the refrigeration capacity. ............................................... 82

20.2 Cleaning ........................................................................................... 82

20.3 Storage ............................................................................................ 83

21 Repair service ...................................................................................... 83

22 Waste disposal .................................................................................... 84

22.1 Packaging ......................................................................................... 84

22.2 Unit .................................................................................................. 84

22.3 Refrigerant ....................................................................................... 84

23 Warranty ............................................................................................. 85

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The operating manual

Congratulations.

You have made an excellent choice. JULABO thanks you for the trust. This operating manual is designed to familiarize you with the operation

of our units and their possible applications. Please read the operating manual carefully.

Please call us if you have any questions about the operation of the unit or about the operating manual.

Contact:

JULABO USA, Inc. 884 Marcon Boulevard Allentown, PA 18109 Phone: +1(610) 231-0250 Fax: +1(610) 231-0260 info.us@julabo.com www.julabo.com

The JULABO quality management system

The standards for the development, production and distribution of temperature control devices for laboratory and industry use satisfy the requirements of ISO 9001 and ISO 14001. Registration certificate No. 01 100044846.

Unpacking and inspection

If the packaging is damaged or if you discover any concealed transport damage when you have unpacked the devices and the accessories, please notify the supplier in the form of a statement of damage.

• should be kept for future use.

• must be available to operating personnel at all times.

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DYNEO DD Product Overview

1 DYNEO DD Product Overview

The circulators of the DYNEO DD series can be combined with the transparent BT bath, stainless steel BC baths, and the refrigerated bath base unit.

Immersion circulator

Open bath circulator Bath circulator Refrigerated

circulator

DYNEO DD for bath tanks up to 50 l.

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2 Intended use

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DYNEO DD BT19 with high quality bath tanks made of transparent plastic or stainless steel.

DYNEO DD BC6 for temperate control in an internal bath or an external application.

DYNEO DD 601F for standard temperature control and routine tasks.

JULABO circulators are laboratory devices which are designed for the temperature control of certain liquid media in a bath tank or with a refrigeration unit. The bath fluids recommended by JULABO must be used as tempering media.

Units with pump connections allow the tempering tasks to be carried out in an external temperature control system.

JULABO circulators are not designed for the direct temperature control of foods, semi-luxury foods and tobacco, or pharmaceutical and medical products.

• Direct temperature control means unprotected contact between the object and the tempering medium (bath fluid).

• The devices are not suitable for use in potentially explosive environments.

3 DYNEO DD - Description

Special features

• Internal and external applications

• Easy to switch between internal and external circulation

• Temperature range -50 °C to +200 °C

• Large color TFT display

• Easy to operate using the state-of-the-art turn & push controller

• Multi-lingual user interface

• Integrated programmer

• Heating capacity 2 kW

• USB interface

• Analog interfaces (optional)

• Class III (FL) according to DIN 12876-1

• Continuously adjustable, powerful pump

• External Pt100 sensor connection

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• RS232 interface (optional)

It is important to follow these safety instructions to prevent personal injury and property damage. These instructions apply in addition to the safety instructions at your workstation.

It is essential that you read the user information before starting the device.

Explanation of safety information

Designates user hints and other useful information.



4 Explanation of safety information

The operating manual contains warnings to increase safety when using the device. The general warning sign, consisting of an equilateral triangle surrounding an exclamation sign and reproduced in various signal colors, is preceded by the signal words.

"Warning of a danger zone". The significance of the danger is classed with a signal word. Read the

instructions carefully and follow them,

This signal word designates a danger with a high level of risk which, if it not prevented, will result in death or serious injury.

This signal word designates a danger with a medium level of risk which, if it not prevented, may result in death or serious injury.

This signal word designates a danger with a low level of risk which, if it not prevented, may result in minor or moderate injury.

This signal word designates a possibly harmful situation. If it is not prevented, the system or something near it may be damaged.

4.1 Explanation of other information

HINT Your attention is drawn to something special by this.

Dangers at second glance

Designates states which only occur after the start of an action and could have been prevented if the warning had been heeded.

Informative note

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Provides additional information.

5 Safety instructions

It is important to follow these safety instructions to prevent personal injury and property damage. These instructions apply in addition to standard safety practices for working places.

• It is essential that you read the user information before starting the unit.

• Use PPE (safety gloves, safety shoes, safety goggles).

• Transport the unit carefully. The interior of the unit can also be

damaged by impacts or if it is dropped.

• Do not loiter under the unit during transportation and operation.

• The unit is not intended for use in potentially explosive areas.

• Please observe the specifications for the minimum space

requirement when setting up the unit.

• Only operate the unit in rooms that are well-ventilated, dry and free of frost.

• Switch the unit off immediately if there is refrigerant leakage.

• Place the unit on a flat surface of non-flammable material.

• Operate the unit under an exhaust hood as much as possible.

• Do not start the unit if it is damaged or leaking.

• Compare the mains voltage and frequency with the specifications on

the type plate.

• Only connect the unit to a fused mains connection via a FI circuit breaker (Ia=30 mA).

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

• The power supply plug serves as safe disconnecting device from the power supply network and must be freely accessible at all times.

• Check the mains cable regularly for signs of damage.

• Do not start the unit if it has a damaged power cable.

• Keep the mains cable away from hot pump connections.

• Refer to the safety sticker. Parts of the unit can be hot or cold.

• Never use the unit without bath fluid.

• Do not reach into the thermal bath fluid.

• Check the filling level of the bath fluid at regular intervals. The pump

and heater must always be completely covered with bath fluid.

• Adjust over-temperature safety device below the flash point of the bath fluid.

Safety instructions

• Consider the restricted working temperature range if you are using

plastic bath tanks.

• Monitor the heat expansion of the bath oils as the bath temperature

rises.

• Prevent water getting into hot bath oils.

• Use suitable tubing.

• Secure the tubing connections to prevent them sliding off.

• Do not bend the bath fluid tubing.

• Check the hoses at regular intervals for signs of material fatigue (for

example cracking).

• Do not drain the bath fluid when it is hot.

• Check the temperature of the bath fluid before draining it, for

example by switching on the unit briefly.

• Switch off the unit and pull the plug before moving the unit or

carrying out service or repair work.

• Have all service and repair work carried out by authorized specialists

only.

• Switch off the unit and disconnect it from the power supply before

cleaning it.

• Drain the unit completely before transporting it.

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6 Operator's responsibility - safety instructions

Products manufactured by JULABO GmbH ensure safe operation when installed, operated and according to common safety regulations. This section explains the potential dangers which may occur when operating the unit and specifies the most important safety measures to prevent these dangers as far as possible.

6.1 Requirements for the operating personnel

The operator is responsible for the qualifications of the personnel operating the unit. Ensure that the personnel who operate the unit are trained in the relevant work application by a trained person.

The operative must receive regular training about the dangers involved with their work and about action to prevent such dangers.

Ensure that everybody involved with the operation, maintenance and installation have read and understood the safety information and the operating manual. The unit may only be configured, installed, maintained and repaired by trained personnel.

If hazardous substances or substances which may become hazardous are used, the unit may only be used by a person who is completely familiar with these substances and the unit. This person must be able to assess the possible dangers in full.

6.2 Operating and ambient conditions for using the unit

• Avoid impacts on the housing, vibrations, damage to the operative keypad (keys and display) and heavy soiling.

• Ensure that the product is checked at regular intervals suitable for its frequency of use to ensure that it is in perfect condition.

• Check the proper condition of the mandatory warning, prohibition, and safety labels at least every 2 years.

• Ensure that the mains supply has a low impedance to prevent influencing of other units powered in the same mains.

• The unit is designed for operation in a controlled electromagnetic environment. This means that in an environment of this nature, transmission equipment such as mobile phones should not be used in the immediate vicinity.

• Other units with components which are susceptible to magnetic fields may be influenced by magnetic radiation. We recommend to maintain a minimum distance of 1 m.

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

• The relative humidity should not exceed 50% (40°C).

• Do not store in an aggressive atmosphere. Protect from dirt.

• Protect from direct sunlight.

Operator's responsibility - safety instructions

6.3 Operating the unit

The bath may be filled with flammable materials. Fire hazard! Chemical dangers may occur, depending on the bath medium. Refer to all warnings on the substances used (bath fluids) and in the

relevant instructions (safety data sheets). The formation of explosive mixtures is possible if the ventilation is

inadequate. Only use the units in well ventilated areas. The unit is not suitable for

use in potentially explosive environments. Special substance specifications (bath fluids) must be observed for

correct operation. Caustic or corrosive bath fluids must not be used. When using hazardous substances or substances which may be

hazardous, the operator must apply the enclosed safety symbols (1 + 2a or 2b) on the control side panel where they are clearly visible:

Warning of a danger zone. Attention! Observe documentation. (Operating manual, safety data sheet)

It is essential that you read the user information prior to operation.

Area of validity: EU

It is essential that you read the user information prior to operation. Area of validity: USA, NAFTA

Warning label Proposition 65

As a result of the wide range of operating temperatures, special care and caution is essential.

There are thermal dangers: Burns, scalds, hot steam, hot parts and surfaces which may be touched.

Warning about hot surfaces. (The label is applied by JULABO)

If external units are connected

Refer to the instructions in the manuals for the external units which you connect to the JULABO unit, particularly the safety instructions.

The connection assignment of the plugs and the technical data for the products must be observed at all times.

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Control and functional elements

7 Control and functional elements

Front Rear

Position Designation

1 Main switch

2 Operating elements: Display, menu, start/stop

3 Actual value display – internal/external

4 Display of safety values

High temperature Low temperature Safety sensor High temperature cut-off Motor speed Liquid level indicator

5 Central controller

6 Adjustable excess temperature safety device

7 Unit status indicator (On/Standby)

8 Temperature displays

Setpoint Internal temperature External temperature Performance display

10 Date/time display, internal/external control, analog/digital actuating value specification

Control indicator heating / cooling

11 USB host interface (type A)

12 Connection: external PT100

13 Optional: Analog connections

Alarm Reg-/Eprog Standby

RS232 interface

14 Electrical connection: Integrated connector to supply power to the circulator (Power cord

included in the scope of supply).

15 Pump connection: Supply, OUT M16x1, external

16 Pump connection: Return, IN M16x1, external

17 Fuses: Miniature circuit-breakers, for refrigeration machine

Resettable fuses for 600F refrigeration units (115 V, 100 V)

18 CAN plug for connecting to the circulator.

19 USB-Device-Schnittstelle (Typ B) für Datenübertragung zum PC, z.B. für Steueraufgaben

mit der EasyTEMP Software.

Refrigerated Circulators DYNEO DD 300F

20 Recessed handle (front, rear)

21 CAN connection cable for refrigeration machine circulator

22 CAN plug for connecting to the circulator.

Control and functional elements

23 Fuses: Miniature circuit-breakers, for refrigeration machine

24 Connection cable: Voltage supply, refrigeration machine  circulator

Electrical connection: Integrated connector to supply power to the refrigeration circulator

26 Electrical connection: Integrated connector to supply power to the refrigeration machine

27 Drain tap and drain port (behind ventilation grille)

28 Caps (connectors for the cooling coil)

29 Pump switchover with DYNEO DD,

Delivery

external…….internal

Accessories, included in the supply

1x Main cable for voltage supply for the refrigeration machine (26) and circulator (14) (use one only for refrigeration circulator)

1x Connection cable: Refrigeration machine (25)  Circulator (14)

1x CAN connection cable (21)

Mains cable, country-specific, order number, see www.julabo.com.

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take the immersion circulator out of the bath tank.

7.1 Installation of the circulator

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Danger of scalding due to leaks from the baths

The JULABO plastic baths are not solvent-resistant. JUALBO plastic bath tanks are for water at a working temperature range from +20°C to +100°C. Do not contaminate the bath fluid with solvents.

Things to keep in mind during the installation process:

Risk of tipping due to improper transportation

Crushing, damage to the unit

• Use PPE (safety gloves, safety shoes, safety goggles).

• Carry the unit with 2 persons (see the Technical Data for the

weight).

• Transport the unit carefully on firm, level ground. The interior of the unit can also be damaged by impacts or if it is dropped.

• Do not loiter under the unit during transportation and operation.

• The installation site should be a sufficiently large room to ensure

that it does not become too hot due to the heat emission.

• The surface for the device should be flat and made of non- flammable material.

• A specific room size is prescribed for refrigerated circulators.

• At high temperatures, position the unit under an exhaust hood as

much as possible due to potential vapors from the thermal bath fluid.

• Observe the safety sticker - do not remove!

8 Preparations for operating the device

8.1 Securing the immersion circulator

Danger of electric shock.

Carefully secure the immersion circulator on the bath vessel. Poorly installed circulators can fall into the bath tank.

Have the unit checked by a service technician prior to re-use. The heater must not be in contact with the wall or the bottom of the bath tank. Minimum distance 15 mm.

Pull the plug to disconnect the unit from the power supply. Only then

Preparations for operating the device

A range of accessories is available for various applications:

• Bath clamp (for securing the circulator to baths)

• Bracket (for securing the circulator to JULABO refrigeration

machines)

• Pump set (for connecting external applications)

• Cooling coil (for operating close to ambient temperature)

• Stand holder with rod (for securing to a laboratory stand)

Bath attachment clamp, order No. 9970420

• Pay special attention to the circulator's immersion depth (see Technical data) when selecting the bath.

• Place the bath on a flat surface on a pad made of non-flammable material.

• Secure the bath attachment clamp to the bath tank. The wall thickness may be up to 30 mm.

• Attach the circulator with a “click” to the bath attachment clamp.

•

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Stand attachment, order No. 9970022

For use with glass tanks a stand attachment with rod is available as an optional accessory.

The circulator must be mounted vertically and secured against rotation. If necessary, secure the nuts of the rod also.

Bracket, order no. 9970170

Installation on the circulator

Disassemble heater from circulator (Torx: 2.5 mm).

Push the end of the hose on the "IN" side into the holding device on the pump, until an excess end of approx. 4 mm is created.

Slide bracket over pump. Secure the bracket to the base

of the circulator using the four screws.

Remove the cap from the pump fitting.

Attach hose until it stops on the pump fitting. Label

>>…”

in the direction of the

pump fitting.

“PUMP

Fasten hose with 1-ear clamps (2x).

Insert heater and screw tight.

Preparations for operating the device

Connecting an external system:

• Remove the union nuts and sealing plates from the pump connectors.

• The hose connectors can be used for hoses with M16x1 connections in this state.

Or:

• Secure hose olives to the union nuts.

• Connect tubings and secure them with hose clips to prevent them

sliding off.

• Connect the hoses for the supply and return to the pump connectors and the external consumer and secure them with hose clips.

• Switch the pump function to external circulation.

Pump set, order No. 9970141

Installation on the circulator

• Push the end of the tubing on the "OUT" side on to the port on the pump.

• Secure against slipping using the tube clamps.

• Push the end of the tubing on the "IN" side on to the holding

device on the pump.

• Secure the pump housing to the base of the circulator using the two screws.

• Attach the circulator to the bath clamp. The total immersion depth will be reduced due to the pump set.

Connect an external system (also applies to bracket)

• Remove the union nuts and sealing plates from the pump connectors.

• The hose connectors can be used for tubing with M16x1 connections in this state.

Or:

• Secure barbed fittings to the union nuts.

• Connect tubing and secure them with tube clamps to prevent

them sliding off.

• Connect the tubing for the supply and return to the pump connectors and the external consumer and secure them with tube clamps.

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• Switch the pump function to external circulation.

Cooling coil, order No. 9970100

A cooling coil is required for working at around ambient temperature (20 °C) A cooling water flow rate of 45 ml/min is generally sufficient to compensate for the intrinsic temperature.

The cooling water temperature should be at least 5 °C lower than the working temperature.

Install the cooling coil on the pump set

• Remove the caps from the pump set.

• Insert the ends of the cooling coil through the fastening

boreholes and secure them with the washers and hex nuts.

• Install the connection ports to the cooling coil.

• Slide the cooling water hoses over the connection ports and

prevent slipping.

Bracket with cooling coil, order No. 9970171

Install the cooling coil on the bracket

• Remove the caps from the bracket.

• Slide the ends of the cooling coil through the fastening

boreholes.

• Secure them with the washers and hex nuts.

• Install the connection ports to the cooling coil.

• Slide the cooling water tubing over the connection ports and

prevent slipping.

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Preparations for operating the device

Technical details for transparent bath tanks

+20 ... +100

1.2

1.5

2.3

2.7

23 x 38 x 38

32 x 38 x 38

38 x 58 x 38

38 x 58 x 43

15 x 15 x 15

23 x 15 x 15

30 x 35 x 15

30 x 35 x 20

3.5 …5.0

6.0 … 9.0

14.0 … 19.0

20.0 … 27.0

* with circulator

+20 ... +150

2.6

5.2

6.1

6.9

23x38x41

38x40x42

38x40x47

38x58x42

15x15x15

30x18x15

30x18x20

30x35x15

3.5 ... 5.0

9.0 ... 13.0

13.0 ... 17.0

14.0 … 19.0

Open bath tanks

Open JULABO baths can be combined with JULABO circulators from the CORIO or DYNEO product series. When combined with these circulators they are designed for controlling the temperature of liquid media recommended by JULABO. The circulators are mounted on the baths using bath attachment clamps, for example.

Type BT5 BT9 BT19 BT27

Order numbers 9901305 9901309 9901319 9901327

Temperature range °C

Approx. weight kg

Dimensions (WxDxH*) cm

Useful bath opening

(WxLxD)

Filling vol., Min...Max l

Material

Parts in contact with the bath fluid: Polycarbonate

Technical details for stainless steel bath tanks

Type B5 B13 B17 B19

Order numbers 9903405 9903413 9903417 9903419

Temperature range °C

Approx. weight kg

Dimensions (WxDxH*) cm

Useful bath opening (WxLxD) cm

Filling volume, Min...Max l

Material

Parts in contact with the bath fluid: Stainless steel

Type B27

B33

B39

Order numbers

Temperature range

°C

+20 ... +150

Approx. weight

8.0

17.6

14.6

Dimensions (WxDxH*)

38x58x47

91x36x43

54x34x57

Useful bath opening (WxLxD)

30x35x20

66x32x15

33x30x30

Filling volume, Min...Max

17.0…27.0

26.0…39.0

35.0…41.0

Material Parts in contact with the bath fluid: Stainless steel

* With circulator

Order No.

Designation

For Baths

9970296

Flat stainless steel bath cover

9970290

Flat stainless steel bath cover

B13, B17

9970291

Flat stainless steel bath cover

B19, B27

9970292

Flat stainless steel bath cover

B33

9970293

Flat stainless steel bath cover

B39

9970254

Lift-up stainless steel gable cover

B19, B27, BT19, BT27

9970257

Lift-up stainless steel gable cover

B33

Type BC4

BC6

BC12

BC26

Order No.

9905504

9905506

9905512

9905526

Temperature range

°C

+20…+150

Approx. weight

5.2

6.4

8.2

15.0

Dimensions (WxDxH*)

23x41x42

24x44x47

33x49x47

39x62x48

Useful bath opening (WxLxD), inner

13x15x15

13x15x20

22x15x20

22x30x20

Filling volume Min. … Max.

l 3.0…4.5

4.5…6.0

8.5 … 12.0

19.0 …26.0

Materials for parts in

medium

Bath and drain cock: 1.4301 / 304H

O-ring on drain cock: FKM Viton®

9903427 9903433 9903439

Bath covers

8.2 Closed stainless steel bath tanks

Intended use

JULABO BC4, BC6, BC12 and BC26 closed stainless steel baths can be combined with JULABO circulators from the CORIO or DYNEO product series. When combined with these circulators they are designed for controlling the temperature of JULABO recommend liquid media.

Technical details for the sealed baths

The circulators feature the bracket which is secured to the baths.

contact with the

* / with circulator

Bath/Bath cover seal: FKM Viton®

Preparations for operating the device

8.3 Basic refrigeration baths

Intended use

The basic refrigeration baths can be combined with JULABO circulators of the CORIO and DYNEO product series. In combination with these circulators, they are intended for the temperature control of liquid media (bath fluids).

Technical details for basic refrigeration baths

The bracket is required for installation on the circulator.

Type

200F 201F 300F 600F

Order No.

Temperature range °C -20…150 -20…150 -25…150 -35…150

Weight kg 26,0 25,0 28,0 36,0

Dimensions (WxDxH*) cm 23x39x65 44x41x44 24x42x66 33x47x69

Useful bath opening (WxLxD), inner cm 13x15x15 13x15x15 13x15x15 22x15x15

Filling volume Min. … Max.

Materials for parts in contact with the medium

Type

Order No.

Temperature range °C -40…200 -40…200 -40…150 -38…100

Weight kg 36,0 52,0 49,0 68,0

Dimensions (WxDxH*) cm 36x46x74 39x62x75 42x49x70 45x64x77

Useful bath opening (WxLxD), inner cm 22x15x20 26x35x20 18x13x15 35x41x30

9461701 9461702 9461703 9461704

3,0…4,0

Bath and drain valve: 1.4301 / 304H Bath/Bath cover seal: FKM Viton® O-ring on drain valve: FKM Viton®

601F 900F 1000F 1001F

9461705 9461706

3,0…4,0

3,0 … 4,0

9461707

5,0 …7,5

9461707

Filling volume Min. … Max.

Materials for parts in contact with the medium

l 8,0…10,0 21,0…30,0

Bath and drain valve: 1.4301 / 304H Bath/Bath cover seal: FKM Viton® O-ring on drain valve: FKM Viton®

* / with circulator

5…7,5

42…56

• Replace the water in the bath in full at regular intervals.

8.4 Bath fluids

There is a selection of recommended bath fluids on the JULABO homepage at www.julabo.com. Do not exceed the maximum viscosity of

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50 mm

Water as the bath fluid

Danger of burns and property damage if unsuitable bath fluid is used.

• Only use thermal oils which are recommended by JULABO. The viscosity of the oil is tailored to the pump capacity.

• Refer to the safety data sheet of the bath fluid, particularly its flash point.

• Set the excess temperature protector correctly.

• Always store bath fluid so that it cannot harm the environment.

/s when you select your product.

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If you use water as the bath fluid

Recommended water mixture: 70 % soft/decalcified water and 30 % tap water for a temperature range from 5 °C to 80 °C. The parts of the bath which come into contact with the bath fluid may be damaged and cause the failure of the device. The water quality depends on the local conditions.

• Hard water is not suitable for temperature control tasks due to its high lime content and will produce lime deposits in the bath.

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

• Chloric water can cause pitting corrosion.

• Distilled and deionized water is not suitable. Their specific

properties cause corrosion in the bath, even on stainless steel.

• Check the quality of the water you use at regular intervals.

• Evaporation and constant refilling may produce a concentration

of harmful substances in the bath. You should therefore check the quality of the water in the bath at regular intervals.

Water bath protection products

The water bath protection product "Aqua-Stabil" is recommended to combat algae, bacteria and fungus formation. Order No. Designation 8 940 006 6x 100 ml bottles 8 940 012 12x 100 ml bottles

Preparations for operating the device

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Unsuitable bath fluids.

JULABO cannot accept any liability for damage caused by the selection of an unsuitable bath fluid.

Unsuitable products include bath fluids which

• are highly viscous (much higher than recommended at the relevant working temperature).

• tend to crack.

• have a toxic, caustic or corrosive effect.

Properties of indirectly temperature-controlled fluids and substances

The intended use of the units includes the indirect temperature control of fluids.

We do not know which substances these are. Many substances are:

• inflammable, flammable or explosive

• harmful

• polluting

In other words: dangerous

The user bears sole responsibility for handling these substances! Use personal protective equipment!

The following questions should help to identify possible dangers and minimize risk.

• Are hazardous vapors or gases produced when heated? Does operation of the bath has to be conducted in a fume hood?

• What should you do if a dangerous substance has been spilled on or in the device? Obtain information on the substance before starting work and define a decontamination method.

• Are all hoses and electrical cables securely connected and routed? Keywords: Sharp edges, hot surfaces during operation, moving machine parts, etc.

8.5 Temperature control for external connected systems

Danger from the incorrect use of external connected systems.

Unsuitable materials may cause the failure of the system.

Check the externally connected systems for the following:

• Compression strength.

• Corrosion resistance.

• Check the materials used for parts in contact with the medium.

The circulator is designed for the temperature control of external connected systems (temperature control system).

Connect an external system

Remove the union nuts and sealing plates from the pump connectors. The tube connectors can be used for tubing with M16x1 (internal)

connections in this state. Tighten the connections with a maximum torque of 3 Nm, holding the

nuts (a.f. 17 mm) as you do so.

Second method

Secure barbed fittings to the union nuts. Tighten the connections with a maximum torque of 3 Nm, holding the nuts (a.f. 17 mm) as you do so.

Connect tubing and secure them with tube clamps to prevent them sliding off.

Connect the tubing for the supply and return to the pump connectors and the external consumer and secure them with tube clamps.

Switch the pump function to external circulation.

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Preparations for operating the device

8.6 Tubing

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Danger of injury from defective tubing.

The bath fluid tubing is a potential source of danger at high working temperatures. Large volumes of hot bath fluids can be pumped out of a damaged tubing in a short period of time.

Possible consequences:

• Skin burns

• Breathing problems due to the hot atmosphere

Danger from unsealed pump connections.

• If the pump connections are not sealed, bath fluid may be pumped out without any control.

• Set the lever on the pump to internal circulation.

• Unused pump connections must always be sealed with sealing

screws.

Danger from the incorrect use of tubing.

• The tubing must be suitable for the pressure and temperature range which results from operation and for the bath fluid (for example silicon oil must not be used with silicon tubings).

• Secure the tubing connections to prevent them sliding off. Use tube clamps.

• Do not kink the tubing. This will reduce throughput and may cause the maximum pressure in the system to be exceeded (glass reactor). The tube length should therefore be kept at a reasonable level.

• Prepare a maintenance plan. Check tubing at regular intervals, at least once per year, for signs of material fatigue (for example cracking) The tubing must be replaced at regular intervals if they are in constant use.

We recommend that you select suitable tubing on the JULABO homepage.

Danger from mains voltage.

9 Commissioning

Commissioning the circulator with a refrigeration machine

Connect the circulator and refrigeration machine using the mains lead. Connect them to the voltage supply using the fitted plug on the refrigeration machine and the mains lead. Connect the CAN jacks on

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both devices with the CAN connection cable to transfer data.

Risk of injury from electric power.

• Compare the mains voltage and frequency with the details on the model plate.

• Connect the device only to a safe power supply via FI-circuit breaker (IA = 30 mA).

• The device may only be connected to power outlets with a ground contact (PE – protective earth).

• The mains plug serves as a safe disconnecting device from the power supply network and must be freely accessible at all times.

• Do not start the device if it has a damaged mains cable.

• Check the mains cable regularly for signs of damage.

• We disclaim all liability for damage caused by incorrect line

voltages!

Cold or hot unit surfaces

Risk of frostbite, risk of burns

What should be observed when operating the JULABO temperature control unit?

• Unit parts may develop high surface temperatures. A hot surface means it has a temperature of 60 °C / 140 °F or more.

• Let the device cool down to an uncritical safe temperature.

• Use safety gloves.

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9.1 Excess temperature and low level safety devices

The safety devices are not affected by the control circuit. When they trip all actors are permanently shut down.

The alarm is displayed optically and acoustics with a continuous signal tone and the reason for the alarm is shown on the display as a number.

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Filling

Danger from damaged safety devices

Possible serious consequences for personnel and working areas.

Check the safety devices at least twice per year.

Excess temperature protector, IEC 61010-2-010

Turn the adjustable excess temperature protector to the cut-out point

+ +

E 14

(actual temperature) using a screwdriver. The actors will be shut down on all poles, the circulator will show error message E 14, the "Alarm" control display will be lit and a continuous signal tone will sound.

Low level safety device, IEC 61010-2-010

The float switch in this device must be moved manually in the bath to test the function, for example using a screwdriver. Push down the float until its reaches the mechanical stop.

The actors will be shut down on all poles, the circulator will show error message E 01, the "Alarm" control display will be lit and a continuous

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signal tone will sound.

10 Filling

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Basic dangers.

The volume of oil used as bath fluid changes with the temperature. Starting from the volume when the bath is filled (room temperature) it may increase or decrease during operation.

The bath temperature rises - hot bath fluid can overflow. The bath temperature falls - the low level alarm will stop the tempering process.

Monitor the level until it reaches working temperature.

Filling process

• Ensure that the drain valve is closed. Turn the knurled screw.

• Carefully insert bath fluid - never allow bath fluid to get inside the

circulator.

• Do not exceed the maximum bath capacity (see Technical Data).

• 1 - The bath temperature rises - hot bath fluid can overflow.

• 2 - The bath temperature falls - the low level alarm will stop the

tempering process.

• Monitor the level until it reaches working temperature.

10.1 Pump settings

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To meet all the requirements for internal and/or external temperature control tasks, the direction of the pump flow is continuously adjustable.

For this purpose the lever below the head of the circulator can be adjusted from:

1.) Max. internal pump flow to...

2.) Max. external pump flow.

Risk of burns due to hot bath fluid

When adjusting the pump flow, make sure that no bath fluid is spilled from the bath opening due to circulation. For internal temperature control (external pump connections closed), the adjusting lever is to be set first to reduced internal circulation (2) before the circulator is started. After starting the circulator, circulation can be optimized through adjustment.

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