Julabo CF31, CF41 Instruction Manual

www.julabo.com

Operating Manual

Cryo-Compact Circulators

The HighTech Series

CF31 CF41

19534871-V7.doc 16.02.18

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

Temperature control devices for research and industry are developed,

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 Cryo-Compact Circulators. For optimal utilization of all functions, we recommend that you thoroughly study this manual prior to beginning operation.

The JULABO Quality Management System

produced, and distributed according to the requirements of ISO 9001 and ISO 14001. Certificate Registration No. 01 100044846

Unpacking and inspecting

Unpack the Cryo-Compact 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.

1.953.4871-V7 02/18 Printed in Germany Changes without prior notification reserved

Important: keep original operating manual for future use

Cryo-Compact Circulators

TABLE OF CONTENTS

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

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

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

2. Operator responsibility – Safety instructions .......................................................................... 6

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

3. Technical specifications ......................................................................................................... 9

4. Safety notes for the user ...................................................................................................... 12

4.1. Explanation of safety notes .............................................................................................. 12

4.2. Explanation of other notes ............................................................................................... 12

4.3. Safety instructions ........................................................................................................... 12

Operating instructions ................................................................................................................. 15

5. Operating controls and functional elements ......................................................................... 15

6. Preparations ........................................................................................................................ 19

6.1. Installation ....................................................................................................................... 19

6.2. Temperature application to external systems................................................................... 19

6.3. Tubing ............................................................................................................................. 21

6.4. Bath fluids ....................................................................................................................... 22

7. Operating procedures .......................................................................................................... 23

7.1. Power connection ............................................................................................................ 23

7.2. Filling ............................................................................................................................... 23

7.3. Switching on / Selecting the language ............................................................................. 24

8. Manual operation ................................................................................................................. 25

8.1. Start - Stop ...................................................................................................................... 25

8.2.  Control of the cooling machine .................................................................................... 25

8.3.

8.4.

Setting the temperatures ....................................................................................... 26

Safety installations, warning functions ................................................................... 27

8.4.1. Excess temperature protection ............................................................................... 27

8.4.2. Early warning system, low level protection ............................................................. 30

Menu functions ........................................................................................................... 31

9.1. Configuration ................................................................................................................... 32

9.2. Control ............................................................................................................................. 36

9.3. Start of a profile ............................................................................................................... 40

9.3.1. Edit after start ......................................................................................................... 42

9.3.2. Interrupting a profile ................................................................................................ 44

9.3.3. Interruption after a power failure ............................................................................. 44

9.3.4. Termination of a profile ........................................................................................... 45

9.4. Integrated programmer .................................................................................................... 46

9.5. Analog inputs/outputs ...................................................................................................... 49

9.5.1. REG+E-PROG – temperature recorder outputs ...................................................... 51

9.5.2. REG+E-PROG - programmer input ........................................................................ 52

9.5.3. STAND-BY input .................................................................................................... 54

9.5.4. ALARM output ....................................................................................................... 55

9.6. Limits ............................................................................................................................... 56

9.7. Serial interface ................................................................................................................. 58

9.8. ATC Absolute Temperature Calibration, 3-point calibration .............................................. 59

9.9. Setting the pump pressure ............................................................................................... 62

10. Troubleshooting guide / Error messages .............................................................................. 63

11. Electrical connections ........................................................................................................... 66

12. Remote control ..................................................................................................................... 68

12.1. Setup for remote control .................................................................................................. 68

12.2. Communication with a PC or a superordinated data system ............................................ 68

12.3. List of commands ............................................................................................................. 69

12.4. Status messages ............................................................................................................. 72

12.5. Error messages ............................................................................................................... 73

13. JULABO Service – Online remote diagnosis ........................................................................ 74

14. Installation of electronic module ........................................................................................... 75

14.1. Draining ........................................................................................................................... 75

15. Cleaning / repairing the unit .................................................................................................. 76

16. WARRANTY PROVISIONS .................................................................................................. 77

Cryo-Compact Circulators

JULABO circulators are not suitable for direct temperature control of foods, semi-luxury

means unprotected contact of the object with the bath medium (bath fluid).

ICC

TCF

ATC

RS232 RS485

Pt100

PUMP

SMART

Operating manual

1. Intended use

JULABO Cryo-Compact Circulators have been designed for temperature application to specific fluids in a bath tank. The units feature pump connections for temperature control of external systems (loop circuit).

foods and tobacco, or pharmaceutical and medical products. Direct temperature control

1.1. Description

 The Cryo-Compact 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 VFD COMFORT-DISPLAY and LCD DIALOGDISPLAY. Three menu keys facilitate adjusting setpoints, warning and safety functions and menu functions.

 The integrated programmer allows storing and running temperature and time-

dependent processes.

 The control electronics including “ICC - Intelligent Cascade Control“ automatically

adapts the heat supplied to the thermal requirements of the bath.

 The TCF - Temperature Control Features allow the user to have access to all

important temperature control parameters. This means: Full control on the control mode and the chance to manually adjust or adapt control to the specific application.

 Absolute Temperature Calibration (ATC3). 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, switchable from RS232 to RS485, allows modern process technology without additional interface. Connection for Pt100 external sensor for external temperature measurement and control. Alarm output for external alarm message or control of JULABO refrigerating baths or solenoid valve (cooling water). The electronic module (option) provides 3 further analog connections (alarm input, standby input, recorder output, programmer input).

 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 LCD DIALOG-DISPLAY.

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

before the low level protection conforming to IEC 61010-2-010 causes a complete shut-down of the main functional elements.

 Intelligent pump system: The pump capacity (electronically adjustable via the motor

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

Operator responsibility – Safety instructions

www.julabo.com

2. Operator responsibility – Safety instructions

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 USA, Inc. 884 Marcon Boulevard Allentown, PA 18109

Phone: +1(610) 231-0250 Fax: +1(610) 231-0260 info.us@ julabo.com

Safety instructions for the operator:

 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 the

instruments being operated on the same mains.

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

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

 Magnetic radiation may affect other devices with components sensitive to magnetic fields (e.g.,

monitors). We recommend maintaining a minimum distance of 1 m.

 Permissible ambient temperature: max. 40 °C, min. 5 °C.  Permissible relative humidity: 50% (40 °C).  Do not store the unit in an aggressive atmosphere. Protect the unit from contamination.  Do not expose the unit to sunlight.

Appropriate operation

Only qualified personnel is authorized to configure, install, maintain, or repair the circulator. Persons who operate the circulator must be trained in the particular tasks by qualified personnel. The

Cryo-Compact Circulators

summarized user guidance (short manual) and the specification table with information on individual parameters are sufficient for this.

Use

The bath can be filled with flammable materials. Fire hazard! There might be chemical dangers depending on the bath medium used. Observe all warnings for the used materials (bath fluids) and the respective instructions (safety data sheets). Insufficient ventilation may result in the formation of explosive mixtures. Only use the unit in well ventilated areas. Only use recommended materials (bath fluids). Only use non-acid and non corroding materials.

When using hazardous materials or materials that could become hazardous, the operator must affix the enclosed safety labels to the front of the unit so they are highly visible:

If this unit is intended for use within the United States of America, all 3 warning labels must be affixed to the housing of the unit prior to use. Directions for the positioning of the individual warning labels are enclosed with the warning labels included in the delivery. Warning labels must be easily visible to users.

Warning label W00: Colors: yellow, black Danger area. Attention! Observe instructions. (operating manual, safety data sheet)

Mandatory label M018: Colors: blue, white Carefully read the user information prior to beginning operation. Scope: EU

Semi S1-0701 Table A1-2 #9 Carefully read the user information prior to beginning operation.

Scope: USA, NAFTA

Warning label Proposition 65

Particular care and attention is necessary because of the wide operating range. There are thermal dangers: Burn, scald, hot steam, hot parts and surfaces that can be touched.

Warning label W26: Colors: yellow, black Hot surface warning. (The label is put on by JULABO)

Warning label W017: Colors: yellow, black Low temperature 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 corresponding safety instructions. Also observe the pin assignment of plugs and technical specifications of the products.

Operator responsibility – Safety instructions

2.1. Disposal

The product may be used with oil as 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 refrigerants, 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.

CF31

Working temperature range

°C

-30 ... +200

Temperature stability

°C

±0.02

Temperature selection

digital

via keypad

indication on LCD DIALOG-DISPLAY (°C/°F)

remote control via personal computer

indication on monitor

Temperature indication:

VFD COMFORT-DISPLAY

Resolution

°C

0.01

Pump pressure stage

indication on VFD COMFORT-DISPLAY

Temperature control

ICC - Intelligent Cascade Control

Working temperature sensor

Pt 100

Safety temperature sensor

Pt 100

Absolute Temperature Calibration

at internal control

°C

±3

at external control

°C

±10

Heater wattage (at 230 V)

2,0

Heater wattage (at 115 V)

1,0

Cooling capacity

°C

20 0 -20

Medium ethanol

0.32 0.25 0.15

Cooling compressor

1-stage

Refrigerant

R134a

Cooling machine

Air-cooled

Electrical connections: see page 11

Electronically adj. pump capacity

1 ... 4 stages

Flow rate min ... max. at 0 bar

l/min

22 ... 26

Pressure max. at 0 liter

bar

0,7

Suction max at 0 liter

bar

0,4

Bath opening (WxL)

16x3

Bath depth

Filling volume

liters

2.0 ... 3.0

Overall dimensions (WxDxH)

24x46x40

Weight

Ambient temperature

°C

5 ... 40

Protection class according to IEC 60 529

IP 21

Mains power connection 230 V/50 Hz

V/ Hz

207-253 / 50

Current input (at 230 V)

Mains power connection 230 V/60 Hz

V/ Hz

207-253 / 60

Current input (at 230 V)

Mains power connection 115 V/60 Hz

V/ Hz

103-127 / 60

Current input (at 115 V)

3. Technical specifications

Cryo-Compact Circulators

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

Technical specifications

CF41

Working temperature range

°C

-40 ... +200

Temperature stability

°C

±0.02

Temperature selection

digital

via keypad

indication on LCD DIALOG-DISPLAY (°C/°F)

remote control via personal computer

indication on monitor

Temperature indication:

VFD COMFORT-DISPLAY

Resolution

°C

0.01

Pump pressure stage

indication on VFD COMFORT-DISPLAY

Temperature control

ICC - Intelligent Cascade Control

Working temperature sensor

Pt 100

Safety temperature sensor

Pt 100

Absolute Temperature Calibration

at internal control

°C

±3

at external control

°C

±10

Heater wattage (at 230 V)

2,0

Heater wattage (at 115 V)

1,0

Cooling capacity

°C

20 0 -20 -30

Medium ethanol

0.47 0.4 0.28 0.12

Cooling compressor

1-stage

Refrigerant

R404A, R452A*

Cooling machine

Air-cooled

Electrical connections: see page 11

Electronically adj. pump capacity

1 ... 4

Flow rate min ... max. at 0 bar

l/min

22 ... 26

Pressure max. at 0 liter

bar

0,7

Suction max at 0 liter

bar

0,4

Bath opening (WxL)

19x3

Bath depth

Filling volume

Liter

4.0 ... 5.5

Overall dimensions (WxDxH)

28x46x46

Weight

Ambient temperature

°C

5 ... 40

Protection class according to IEC 60 529

IP 21

Mains power connection 230 V/50 Hz

V/ Hz

207-253 / 50

Current input (at 230 V)

Mains power connection 230 V/60 Hz

V/ Hz

207-253 / 60

Current input (at 230 V)

Mains power connection 115 V/60 Hz

V/ Hz

103-127 / 60

Current input (at 115 V)

* at 230 V / 50 Hz

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

Cryo-Compact Circulators

Caution:

Note!

Devices of class A are intended for the use in an industrial electromagnetic

electromagnetic compatibility may be impacted.

Electrical connections:

Computer interface RS232 / RS485

External sensor Pt100

Optional: (Order No. 8900100 Electronic module with analog connections) Programmer input -100 °C to 400 °C = 0 - 10 V or 0 - 20 mA or 4 - 20 mA Input for the signal of a flow meter or external manipulated variable Temperature recorder outputs 0 - 10 V (0 V = -100 °C, 10 V = 400 °C) 0 - 20 mA (0 mA = -100 °C, 20 mA = 400 °C) 4 - 20 mA (4 mA = -100 °C, 20 mA = 400 °C) Standby input for external emergency switch-off Alarm output for external alarm signal

Warning functions and safety installations

Excess temperature protection adjustable from 0 °C ... 220 °C Low liquid level protection float switch Early warning system for low level float switch Classification according to DIN 12876-1 class III Alarm message optical + audible (permanent) Warning message optical + audible (in intervals)

Overload protection for compressor and pump motor

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 >35 K

Environmental conditions according to IEC 61 010-1:

Use indoors only. Altitude up to 2000 m - normal zero. Ambient temperature: see Technical specifications Humidity: Max. relative humidity 80% for temperatures up to +31 °C, linear decrease down to 50% relative humidity at a temperature of +40 °C Max. mains voltage 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

The unit is not for use in explosive environment.

EMC requirements according to EN 61326-1

The device is an ISM device of group 1 per CISPR 11 (uses HF for internal purposes) and is classified in class A (industrial and commercial sector).

• environment.

• When operating in other electromagnetic environments, their

Safety notes for the user

In addition to the safety warnings listed above, warnings are posted throughout the

Warning:

Caution: Notice:

its surroundings can be damaged.

Note!

Draws attention to something special.

Important!

Indicates usage tips and other useful information.

Follow the safety instructions to avoid personal injury and property damage. Also, the valid

fluid.

4. Safety notes for the user

4.1. Explanation of safety notes

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.

Describes a possibly highly dangerous situation. If these instructions are not followed, serious injury and danger to life could result.

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.

Describes a possibly harmful situation. If this is not avoided, the product or anything in

4.2. Explanation of other notes

4.3. Safety instructions

safety instructions for workplaces 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 precautions listed

in this manual before installing or operating your unit.

• Set the excess temperature safety installation below the flash point of the bath

Cryo-Compact Circulators

touching these parts.

Caution:

• 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 tank and the pump connections may become extremely

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

• Some parts of the bath tank and the pump connections may become extremely cold during continuous operation. Therefore, exercise particular caution when

The circulator may be used, for example, to control the temperature of fluids in a reactor.

We do not know what substances are contained in these vessels. Many substances are:

• inflammable, easily ignited, or explosive

• hazardous to health

• environmentally hazardous

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

Safety notes for the user

The following questions should help to recognize possible dangers and to reduce the

determine the method of decontamination.

for example.

defects or other reproductive harm.

risks to a minimum.

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

• Do dangerous vapors or gases develop during heating? Must the work be done in a fume hood?

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

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 shutdown 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,

WARNING

This product contains chemicals known to the state of California to cause cancer, birth

Cryo-Compact Circulators

ext

Pt100

SERIAL

ALAR

REGE-STAND-

T16A

1011121314

151617

T16A

8b1516

ext

Pt100

SERIAL

ALAR

REGE-STAND-

910111213

Operating instructions

5. Operating controls and functional elements

Front view CF41 / CF31 Rear view CF41/ CF31

Operating controls and functional elements

1 Mains power switch, illuminated

°C

140

100

180

220

Adjustable excess temperature protection according to

Setpoint1: 150.00°C

IntAct : 148.53°C

Power : 80 %

Control : intern

RS232 : 150.00°C

ExtAct : 145.30°C

Power : 80 %

Control : extern

LCD DIALOG-DISPLAY

4.1

4.2

IEC 61010-2-010

Line 1: Setpoint and origin of setpoint programming

(Key / RS232 or RS485 / ext. Pt100 / EProg)

Line 2: Actual value - internal or external,

identical to line 1 of the VFD-COMFORT-DISPLAY Line 3: Heating capacity in %. Line 4: Control type: internal / external

VFD-COMFORT-DISPLAY

Header: Control indicators see sections 4.1 and 4.2

Line 1: Actual value internal or external

The display is depending on the selected control mode in the menu > Control < (internal or external).

Line 2: Working temp. setpoint, constantly S xxx.xx

Line 3: Actual value (E = external or I = internal)

Alternating with the display in line 1

Use the keys

to indicate further values in line 3. However, the functions of these keys are different with the programmer started. PI Capacity in % - with manipulated variable set to >control<* PS Capacity in % - with manipulated variable set to >serial<* or >eprog<* H Heater capacity in Watts U Mains voltage Volts F Flow rate in liters/minute (providing EPROG input set to >Flowrate<)

*see >Configuration> page 32

Control indicators in the header: Heating / Cooling / Alarm /

Remote control

Control indicators in the header: Temperature indication Internal or External actual value Temperature indication in °C or °F (see page 35)

Cryo-Compact Circulators

Start / stop key

Key for selecting the working temperature - Setpoint 1, 2, 3

MENU key - for selecting the menu functions

Cursor keys (left or right)

Enter key 1) Store value / parameter

Escape key 1. Cancel entries

minus / decimal point

F key: Shows the help text in the

7 Drain port

Handle: front

4.3

4.4

Keypad 1

Display for the adjusted pump pressure stage in the -OFF- mode. Display for the effective pump pressure stage (rotation speed) after start.

Four stages, adjustable via the

button, in the menu >PUMP<.

Segment at bottom blinks: Standstill of compressor

(compressor protection device, page 25)

Key for selecting the warning and safety values

Keypad 2

Edit keys (increase or decrease)

2) Next lower menu level

2. Return to a higher menu level

Numeral keypad: numerals 0 to 9

LCD DIALOG-DISPLAY when alarm messages appear.

Handle: rear

Operating controls and functional elements

ALARM

Alarm output (for external alarm signal)

STAND-BY

Standby input (for external emergency switch-off)

REG+E-PROG

Programmer input and temperature recorder output

Socket for external measurement and control sensor 13

16 17

Option: Electronic module Order No. 8 900 100

The Cryo-Compact Circulator automatically recognizes the connected electronic module.

ext Pt100

SERIAL

or external setpoint programming

Interface RS232 / RS485: remote control via personal computer

Pump connection OUT - pressure pump, M16x1

Pump connection IN – suction pump, M16x1 (return)

Mains fuses: T16A

T20A (CF41 115 V / 60 Hz)

Mains power cable with plug

0.6 m3 volume

The Cryo-Compact Circulator is used for temperature application to external systems (loop circuit)

different heights, overflowing must be prevented after the power has been turned off.

6. Preparations

6.1. Installation

Cryo-Compact Circulators

nonflammable material.

• Cooling machine, pump motor and electronics produce intrinsic heat that is dissipated via the venting openings.! Never cover these openings!

• Be sure that the flow of ventilation can exit under the instrument.

• Keep at least 20 cm of open space on the side and rear of the unit.

• 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 rejects to the environment. (Max. permissible ambient temperature: 35 °C). For a fault (leakage) in the refrigeration system, the standard EN 378 prescribes a certain room space to be available for each kg of refrigerant.

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

The refrigerant quantity is specified on the type plate. > For 0.52 kg of refrigerant R404A, 1 m > For 0.423 kg of refrigerant R452A, 1 m > For 0.25 kg of refrigerant R134a, 1 m Model CF41 with 0.16 kg filling quantity of refrigerant R404A = 0,33 m Model CF41 with 0.17 kg filling quantity of refrigerant R452A = 0,4 m

volume

of space is required.

Model CF31 with 0.15 kg filling quantity of refrigerant R134a =

• 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.

6.2. Temperature application to external systems

Caution: Securely attach all tubing to prevent slipping.

Notice: Flood hazard!

If the liquid levels in the Cryo-Compact Circulator bath and the external system are at

Preparations

Tubing see page 21

H = Height adjustment

The liquid level should be equal in the internal and external baths

Return flow safety device

For this reason, shut-off valves can be integrated in the loop circuit.

Order No. Description 8 970 456 Shut-off valve (suitable up to +90 °C) 8 970 457 Shut-off valve (suitable up to +200 °C)

Temperature application to external, closed systems

• Unscrew the M16x1 collar nuts on the pump connectors with a 19 mm (3/4“) wrench and remove the sealing disks. Using the collar nuts, screw on the tubing connection fittings (for tubing 8 mm or 12 mm in diameter) delivered with the unit and tighten firmly. (Pressure pump: 14, suction pump: 15)

• Push on the tubings, and secure with tube clamps.

• Attach the tubing to the connectors of the external closed system, e.g., an instrument with a pressure-resistant temperature jacket or a temperature coil, and fasten with tube clamps to prevent slipping.

Temperature application to external, open systems

S = Suction pump connection D = Pressure pump connection K = Float

The Cryo-Compact Circulator is equipped with both a pressure and suction pump for external temperature application in open systems.

Differing flow rates of the pressure and suction pumps should be compensated. To maintain a constant liquid level, the JULABO „D+S“ Level Adapter is recommended for the external bath tank. The flow rate of the pressure pump will be then regulated by a built-in float device. The liquid level may be changed by a height adjustment on the „D+S“ Level Adapter.

Accessory: „D+S“ Level Adapter Order No. 8 970 410

Important:



(absolute height).

 If you take out samples (for example Erlenmeyer flasks) from the

external bath, turn the Cryo-Compact Circulator off with the Start/Stop key.

Warning: Tubing:

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

Order No.

Suitable for

8930008

1 m CR®-tubing 8 mm inner dia. (-20 ... +120°C)

CF31, CF41

8930012

1 m CR®-tubing 12 mm inner dia. (-20 ... +120°C)

CF31, CF41

8930108

1 m Viton® tubing 8 mm inner dia (-50 °C bis 200 °C)

CF31, CF41

8930112

1 m Viton® tubing 12 mm inner dia (-50 °C bis 200 °C)

CF31, CF41

8930410

1 m Insulation, 14 mm inner dia..

CR®-tubing 8 mm inner dia

8930412

1 m Insulation, 18 mm inner dia.

Viton® tubing 12 mm inner dia.

8970480

2 Tube clamps, size 1

CR®-tubing 8 mm inner dia

8970481

2 Tube clamps, size 2

Viton® tubing 12 mm inner dia.

8 930 209 0.5 m

8 930 214 3.0 m

-100 °C ... +350 °C

8 930 220 0.5 m

8 930 223 3.0 m

-50 °C to +200 °C

6.3. Tubing

Cryo-Compact Circulators

At high working temperatures, the tubing used for temperature control and for the cooling water supply represents a danger source. A damaged tubing line may allow a large amount of hot bath fluid to be pumped out within a short time.

This may result in:

• Burning of skin

• Breathing difficulties due to hot atmosphere

Safety instructions

• Use 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), at least once a year.

Recommended tubing:

Tubing insulation

Tube clamps

Metal tubing, flexible, triple insulated

8 930 210 1.0 m 8 930 211 1.5 m

2 fittings M16x1 female

Metal tubing, flexible, insulated

8 930 221 1.0 m 8 930 222 1.5 m

2 fittings M16x1 female

Preparations

Caution:

cause corrosion in the bath, even on stainless steel.

Bath fluid

Temperature range

soft/decalcified water

5 °C to 80 °C

Contact: see page 6

No liability for use of other bath fluids!

6.4. Bath fluids

Carefully read the material 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 scale in the bath

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

• Chlorinated water can cause pitting corrosion.

• Distilled water and deionized water are unsuitable. Their special properties

Recommended bath fluids:

ATTENTION: The maximum permissible viscosity is 70 mm

See website for list of recommended bath fluids.

Caution:

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

Please contact JULABO before using other than recommended bath liquids.

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

• are highly viscous

(much higher than 70 mm2 /s at the respective working temperature)

• have a low viscosity and have creep characteristics

• have corrosive characteristics or

• tend to crack.

Caution:

• We disclaim all liability for damage caused by incorrect line voltages!

specified on the type plate.

A volume change of 12 % per 100 °C temperature variation is to be considered.

7. Operating procedures

7.1. Power connection

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

7.2. Filling

earth)!

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

• Never operate the unit with a damaged mains power cable.

• Regularly check the mains power cables for damage.

Make sure that the line voltage and frequency match the supply voltage

Cryo-Compact Circulators

Notice:

Pay attention to the thermal expansion of bath oil during heating to avoid overflowing of the liquid.

Guideline:

Take care that no liquid enters the interior of the Cryo-Compact Circulator .

 Connect the tubing from the external system to the pump

connectors and check for leaks

 Check to make sure that the drain tap (7) is closed.

Recommendation: For filling, use for example an measuring jug with nuzzle.

 Recommended maximum filling level with water as bath fluid:

30 mm below the tank rim

 Recommended maximum filling level with bath oils:

40 mm below the tank rim

• Turn the mains switch (1) on (Switching on - see page 24)

• Switch on unit by pressing the start/stop key

• Tempering fluid is pumped into the externally connected system.

Refill fluid up to recommended filling level.

• The Cryo-Compact Circulator is ready for operation.

Operating procedures

cooling coil is not completely covered with bath fluid, refill it.

**** JULABO ****

*** HighTech ***

** Compact **

* Version 1.02-41 *

-OFF-

S 150.00

I 24.60

Configuration

Off-Mode : pump off

>Language : english

Reset : no

Press the respective keys in the following order:

Important:

 When using a bath fluid, the change in volume in case of change in

temperature has to be respected. Fill in a little amount of bath fluid only so that the low level alarm is not triggered.

 Low level alarm is triggered at the following liquid level:

CF31 75 to 80 mm below the tank rim CF41 80 to 85 mm below the tank rim

 When reaching the working temperature, check the liquid level. If the

7.3. Switching on / Selecting the language

Switching on:

• The Cryo-Compact Circulator is turned on and off with the mains switch. The integrated control light will illuminate to indicate that power has been applied.

 During the self-test all segments of the VFD-Info-Display and the LCD

DIALOG-DISPLAY light up. Then the type of unit and the software version is indicated. (example: JULABO CF41 230 Volt / Version 1.02-41. ) The display „OFF“ or „R OFF“ indicates the unit is ready to operate.

 The Cryo-Compact Circulator enters the operating mode activated

before switching the Cryo-Compact Circulator off:

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

Selecting the language:

There are two options for the language of the LCD DIALOG-DISPLAY: German or English. Select the desired language in the menu >Configuration< under the submenu >Language/Sprache<.

[ up to submenu >Language/Sprache <] 2x

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