Julabo SL-6, SL-26, SL-12, HL-4 User Manual

English

OPERATING MANUAL

Heating Circulators

HL-4

SL-6

SL-12

SL-26

JULABO USA, Inc.

884 Marcon Boulevard

Allentown, PA 18109

Phone: [phone]

Fax: [phone]

info.us@ julabo.com

www.julabo.com

19532803-V5.docx

25.06.18

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.

The JULABO Quality Management System

Temperature control devices for research and industry are developed, produced, and distributed according to the requirements of ISO 9001 and ISO 14001. 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

Important: keep operation manual for future use

1.953.2803-V5 06/18

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HL / SL

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.		Technical specifications ...........................................................................................	9
Operating instructions .......................................................................................................			11
3.	Safety notes for the user.............................................................................................		11
3.1. Explanation of safety notes ....................................................................................			11
3.2. Explanation of other notes......................................................................................			11
3.3.		Safety recommendations........................................................................................	12
4.	Operating controls and functional elements ................................................................		14
5.	Preparations ...............................................................................................................		18
5.1.		Installation..............................................................................................................	18
5.2.		Bath fluids ..............................................................................................................	18
5.3. Temperature application to external systems .........................................................			20
	5.3.1.Tubing ...............................................................................................................		21
5.4.		Filling / draining......................................................................................................	22
5.5.		Counter-cooling......................................................................................................	23
6.	Operating procedures .................................................................................................		24
6.1.		Power connection...................................................................................................	24
6.2. Switching on / Selecting the language....................................................................			24
6.3.		Start - Stop.............................................................................................................	25
7.		Setting of temperatures .................................................................................	25
8.		Safety installations, warning functions...........................................................	26
	8.0.1.Early warning system, low level protection.........................................................		29
9.		Menu functions..............................................................................................	30
9.1. Start of a program ..................................................................................................			32
	9.1.1.Status at the end of a program ..........................................................................		34
	9.1.2.Indication after successful start..........................................................................		34
	9.1.3.Editing after Start...............................................................................................		34
	9.1.4.Interrupting a program .......................................................................................		35
	9.1.5.Interruption after a power failure ........................................................................		36
	9.1.6.Termination of a program...................................................................................		36
9.2.		Program administration, creation............................................................................	37
9.3. Setting the pump pressure .....................................................................................			41
9.4.		Configuration..........................................................................................................	42
	9.4.1.Remote control via the serial interface...............................................................		45
	9.4.2.Keypad control or setpoint setting via the analog input ......................................		45
	9.4.3.Autostart ............................................................................................................		46
	9.4.4.Off-Mode ...........................................................................................................		46
	9.4.5.ActVar - actuating variable.................................................................................		47

3

9.4.6.Setting of clock and date ....................................................................................		48
9.4.7.Language ...........................................................................................................		48
9.4.8.Unit.....................................................................................................................		48
9.4.9.Program type......................................................................................................		48
9.4.10. Reset.............................................................................................................		48
9.5.	Control ....................................................................................................................	49
9.5.1. Control internal / external...................................................................................		51
9.5.2.Selftuning ...........................................................................................................		52
9.5.3.Dynamik intern ...................................................................................................		52
9.5.4.CoSpeed - extern ...............................................................................................		53
9.5.5.Control parameters – internal/external................................................................		53
9.6.	Serial Interface........................................................................................................	55
9.7. ATC Absolute Temperature Calibration, 3-point calibration.....................................		56
9.7.1.ATC Fühler - intern / extern ................................................................................		59
9.7.2.ATC Status - yes / no .........................................................................................		59
9.7.3.Type 1 -/ 2 -/ 3 point ..........................................................................................		59
9.7.4.Example: 3-point calibration for internal control .................................................		59
9.8.	Limits ......................................................................................................................	62
9.8.1.Limits for internal control and external control.....................................................		63
9.8.2.Limits for external control....................................................................................		64
9.9.	Analog inputs/outputs .............................................................................................	65
9.9.1.Control connector ...............................................................................................		69
9.9.2.Outputs of the connector - REG+E-PROG..........................................................		70
9.9.3.Input of the connector - REG+E-PROG ..............................................................		71
9.9.4.External Stand-by input ......................................................................................		73
9.9.5.Alarm-output.......................................................................................................		74
10. Troubleshooting guide / Error messages .....................................................................		75
11. Electrical connections..................................................................................................		79
12. Remote control ............................................................................................................		82
12.1. Setup for remote control..........................................................................................		82
12.2. Communication with a PC or a superordinated data system ...................................		82
12.3. List of commands....................................................................................................		83
12.4. Status messages ....................................................................................................		87
12.5. Error messages.......................................................................................................		87
13. Installation of electronic module with analog connectors .............................................		88
14. JULABO Service – Online remote diagnosis ...............................................................		89
15. Cleaning / repairing the unit.........................................................................................		90
16. WARRANTY PROVISIONS.........................................................................................		91

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HL / SL

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, semiluxury 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

ICC

TCF

ATC3

RS232

RS485

Pt100

SMART

PUMP

 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 VFD COMFORT-DISPLAY and LCD DIALOG-DISPLAY. Three menu keys facilitate adjusting setpoints, warning and safety functions and menu functions.

 The integrated programmer allows storing and running temperature and timedependent 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) provides 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, 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.

5

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 USA, Inc.	Phone:	[phone]
	884 Marcon Boulevard	Fax:	[phone]
	Allentown, PA 18109	info.us@ julabo.com
			www.julabo.com

Safety instructions for the operator:

You have received a product designed for industrial use. Nevertheless, avoid strikes to the housing, vibrations, damage to the operating-element panel (keypad, display), and contamination.

Make sure the product is checked for proper condition regularly (depending on the conditions of use). Regularly check (at least every 2 years) the proper condition of the mandatory, warning, prohibition and safety labels.

Make sure that the mains power supply has low impedance to avoid any negative effects on instruments being operated on the same mains.

This unit is designed for operation in a controlled electromagnetic environment. This means that transmitting devices (e.g., cellular phones) should not be used in the immediate vicinity. Magnetic radiation may affect other devices with components sensitive to magnetic fields

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

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

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

Do not store the unit in an aggressive atmosphere.

Protect the unit from contamination.

Do not expose the unit to sunlight.

Appropriate operation

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

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

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HL / SL

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.

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

2

or 2

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

3	Warning label Proposition 65

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

There are thermal dangers: Burn, scald, hot steam, hot parts and surfaces that can be touched.

Warning label W26: Colors: yellow, black

Hot surface warning.

(The label is put on by JULABO)

Observe the instructions in the manuals for instruments of a different make that you connect to the circulator, particularly the respective safety recommendations. Also observe the pin assignment of plugs and technical specifications of the products.

7

Operator responsibility – Safety recommendations

2.1.Disposal

The circulator contains a back-up battery that supplies voltage to memory chips when the unit is switched off. Do not dispose of the battery with household waste!

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

The product may be used with oil as bath fluid. These oils fully or partially consist of mineral oil or synthetic oil. For disposal, observe the instructions in the safety data sheets.

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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HL / SL

2.2.Technical specifications

	Heating circulators			HL-4		SL-6		SL -12		SL -26
	Working temperature range	°C		20 … 250	20 ... 300		20 ... 300		20 ... 300
	Temperature stability	°C		±0.01		±0.01		±0.01		±0.01
	Bath opening (WxL)	cm		13x15		13x15		22x15		22x30
	Bath depth	cm		15		20		20		20
	Filling volume	liters	3 ... 4,5		4,5 ... 6		7,5 ... 12		18 ... 26
	Overall dimensions (WxDxH)	cm		21x42x40		21x43x44		30x43x47		36x61x47
	Weight	kg	11		13,5		14,0		27,0

				HL		SL
Temperature selection				digital
via keypad				indication on LCD DIALOG-DISPLAY (°C/°F)
remote control via PC				indication on monitor
Temperature indication				VFD COMFORT-DISPLAY (°C/°F)
Resolution		°C	0.01
ATC3	INT / EXT	°C		±3 / ±9
Temperature control				ICC - Intelligent Cascade Control
Heater wattage (at 230 V)
Heater wattage (at 115 V)		kW	2.0		3.0
Temperature selection		kW		1.0		-----
Electronically adj. pump capacity		stages		1 ... 4		1 ... 4
Flow rate	at 0 bar	l/min	22 ... 26		22 ... 26
Max. pressure	at 0 liters	bar		0.7		0.7
Max. suction	at 0 liters	bar	0.4		0.4
Electrical connections:				See page 10
Ambient temperature		°C	5 ... 40		5 ... 40
Mains power connection		V/ Hz	208-230 / 50/60		208-230 / 50/60
Current draw	(at 208 V / 230 V)	A		8 / 9		12 / 13
Mains power connection		V/ Hz	100-115 / 50/60		-----
Current draw	(at 100 V / 115 V)	A		9 / 10		-----

All measurements have been carried out at: rated voltage and frequency

ambient temperature: 20 °C	bath fluid: water	operating temperature: 70 °C
Technical changes without prior notification reserved.

9

Operator responsibility – Safety recommendations

Electrical connections:
External alarm device	24-0 V DC / max. 25 mA
Computer interface RS232 or RS485
External Pt100 sensor

Optional for HL, SL
(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

Safety installations according to IEC 61010-2-010:
Excess temperature protection	adjustable from 0 °C ... 320 °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 >35 K
Alarm message	optical + audible (permanent)
Warning message	optical + audible (in intervals)

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
Caution:

The unit is not suitable for use in explosive environment

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HL / SL

EMC requirements

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).

NOTICE:

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

•When operating in other electromagnetic environments, their electromagnetic compatibility may be impacted.

•This device is not intended for the use in living areas and cannot guarantee adequate protection of the radio reception in such environments.

Operating instructions

3.Safety notes for the user

3.1.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.

3.2.Explanation of other notes

Note!

Draws attention to something special.

Important!

Indicates usage tips and other useful information.

This icon is used in the operating instructions to indicate flashing values or parameters which have to be set or confirmed.

11

Safety notes for the user

3.3.Safety recommendations

Follow the safety instructions to avoid personal injury and property damage. Also, the valid 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 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 tank and the pump connections may become extremely hot during continuous operation. Therefore, exercise particular caution when touching these parts.

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HL / SL

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.

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.

WARNING

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

13

Operating controls and functional elements

4.Operating controls and functional elements

Front view

Rear view

1

2

Mains power switch, illuminated

VFD COMFORT-DISPLAY

Header: Control indicators

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

2.1

14

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
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

FFlow rate in liters/minute

(providing EPROG input set to >Flow rate<)

*refer to >MENU / CONFIGIGURATIO> page 32

Control indicators in the header:

		HL / SL
	Heating / Cooling / Alarm /
2.2	Remote control
	Control indicators in the header:
	Temperature indication Internal or External actual value
	Temperature indication in °C or °F
2.3	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<.
3	LCD DIALOG-DISPLAY

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

Navigation aid in MENU - Window

Keys / :

Selection of menu items / parameters

- Setting in line 3:

Actual value / parameter

Orientation aid in MENU - Window

Line 1 - name with allocation to key

Safety values

T – Setpoint

1	Main menu	Level 1
2	Submenu	Level 2
	Example: CONFIGURATION
3	Submenu	Level 3

4	Keypad 1	Navigation keys
4.1		1. Key: >OK<	Start / Stop (pump / heater )
		2. >OK< in the menu Menu item / select submenu for setting
		Save set value
		Save selected parameter
		A beep signals the end of setting
		After the actions Start, Stop and change from VFD Display to standard
		display the key	is locked for a short time.
		The above graph “front side” shows an example for standard display.
4.2		1. Key: >Return<	Stop (pump / heater)

15

Operating controls and functional elements

Special display on VFD Display leave line 3.

2. >Return< in the menu one menu level down

Correction function for parameters or values (prior to OK) immediately back to standard display

		-	icon for „keep key pressed down“.
4.3		1. Key:	>Up / Down <temperature – increase/decrease setpoint
			Push key quickly for single steps,
			Keep key pressed for fast change.
		2. >Up/Down< in the menu selection of menu items / parameters
		Menu keys
4.4		Key: start the menu > warning and safety values<
4.5		Key: start the menu >temperature setpoints<
4.6		Key: display of MENU structure
5	Keypad 2
	..	Numeric keypad: numerals 0 to 9
		minus / decimal point
		Backspace key
		on LCD DIALOG-DISPLAY.
6		Adjustable excess temperature protection according to IEC 61010-2-010

Rear view

7 Socket for external measurement and control sensor

or external setpoint programming

ext Pt100

8	Interface RS232 / RS485: remote control via personal computer
	SERIAL
9	Socket: control cable of JULABO refrigerated circulator
	or output for alarm messages

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HL / SL

Option: Electronic module

Order No. 8 900 100

The circulator automatically recognizes the connected electronic module.

10	Alarm output (for external alarm signal)
11	ALARM
	Standby input (for external emergency switch-off)
12	STAND-BY
	Programmer input and temperature recorder output
	REG+E-PROG
13	Connector for supplementary pump or solenoid valve
	230 V / max. 1.25 A
	No control voltage in the -OFF- condition
14	Connector solenoid valve
	1. No control voltage in the -OFF- condition
	2. Configurable	(Refer to page 65)
15	Fuses (for connectors 13, 14), T1.25A
16	Mains fuses, T16A
17	Mains power cable with plug
20	Cooling coil connectors
21	Pump connectors	suction pump	pressure pump

17

Preparations

5.Preparations

5.1.Installation

Heating circulators

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

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.

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						HL / SL
Recommended bath fluids:
		Bath fluid			Temperature range
		soft/decalcified water				5 °C to 80 °C
JULABO bath fluids
JULABO			Thermal	Thermal		Thermal
Description			G	M		HS
Order Number	10 liters		8 940 124	8 940 100		8 940 102
	5 liters		8 940 125	8 940 101		8 940 103
Temperature range	°C		-30 ... 80	40 ... 170		20 ...250
Flash point	°C		--	284		270
Fire point	°C		--	306		>360
Color			light yellow	clear		light brown
JULABO			Thermal	Thermal		Thermal
Description			H10	H20S		H200
Order Number	10 liters		8 940 114	8 940 108		8 940 134
	5 liters		8 940 115	8 940 109		8 940 135
Temperature range	°C		-20 ... 180	0 ... 220		60 ...200
Flash point	°C		190	230		292
Fire point	°C		216	274		334
Color			clear	light brown		clear

See website for list of recommended bath fluids.

ATTENTION:

The maximum permissible viscosity is 70 mm2 /s.

Caution:

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

Use only non-acidic and non-corroding 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 recommended 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!

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Preparations

5.3.Temperature application to external systems

	Securely attach all tubing to prevent slipping.
Caution:

If the circulator is operated without external system, close the pump connector (22) with the cap nut.

Temperature application to external, closed systems

ext	SERIAL	ALARM STAND-BY REG+
Pt100		E-PROG

T16A

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

•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: 22, suction pump: 21)

T16A		•	Push on the tubing, and secure with tube clamps.
	T1.25A
		•	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
21	22		clamps to prevent slipping.

Temperature application to external, open systems

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

H = Height adjustment

The 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:

The liquid level should be equal in the internal and external baths (absolute height).

If you take out samples (for example Erlenmeyer flasks) from the external bath, turn the circulator off with the Start/Stop key.

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Backflow safety device

ext	SERIAL	ALARM STAND-BY	REG+
Pt100			E-PROG
T16A			13
T16A			14
		T1.25A

(see page 65)

5.3.1.Tubing

If the liquid levels in the circulator bath and the external system are at different heights, overflowing must be prevented after the power has been turned off.

Flood hazard!

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

Connect the valve to the connector (13).

If socket (14) is used:

In menu >Inputs/Outputs< set the menu item >SV-Out< to >Backflow<.

Order No.	Description
8 980 701	Set of solenoid valves
	for loop circuit up to +100 °C
8 970 456	Shut-off valve (suitable up to +90 °C)
8 970 457	Shut-off valve (suitable up to +200 °C)

Recommended tubing:
Order No.	Length			Temperature range
8930008	1 m	CR® tubing	8 mm inner dia.	-20 °C to 120 °C
8930012	1 m	CR® tubing	12 mm inner dia.	-20 °C to 120 °C
8930108	1 m	Viton tubing	8 mm inner dia.	-35 °C to 200 °C
8930112	1 m	Viton tubing	12 mm inner dia.	-35	°C to 200 °C
8930410	1 m	Insulation for tubing	8 mm inner dia.	-50	°C to 100 °C
8930412	1 m	Insulation for tubing	12 mm inner dia.	-50	°C to 100 °C
8 930 209	0.5 m	Metal tubing, triple insulated, M16x1		-100 °C to +350 °C
8 930 210	1.0 m
8 930 211	1.5 m
8 930 214	3.0 m
8 930 220	0.5 m	Metal tubing, insulated, M16x1		-50	°C to +200 °C
8 930 221	1.0 m
8 930 222	1.5 m
8 930 223	3.0 m

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.

21

Preparations

•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.

5.4.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! Recommendation: Temperature range 5 °C to 40 °C

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.

Filling

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

•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

After filling, immerse the samples in the bath or place the lid on the bath, in case the opening is not to be used.

The circulator provides an early warning system for low level (description – please refer to page 29) that may be triggered when changing samples in the bath.

Draining

• Turn the unit off with the mains switch.

•Place the heating circulator near the rim of the table. Use a suitable vessel as recipient for the bath fluid.

• Unscrew the drain plug on the front of the bath tank to drain the bath.

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5.5.Counter-cooling

Caution:

Securely attach all tubing to prevent slipping.

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

ext	SERIAL	ALARM STAND-BY REG+
Pt100		E-PROG

T16A

T16A

T1.25A

20

For applications near the ambient temperature, the cooling coil (20) must be connected to the water mains.

•Using tubing, connect the cooling coil to the tap water supply, and lead the tap water in a sink through the return connector.

A specific water flow rate of 750 ml/minute (15 °C) is sufficient to compensate for the characteristic temperature.

For applications near ambient temperature (20 °C), the cooling water temperature should at least be 5 °C below the working temperature.

V

ext	SERIAL	ALARM STAND-BY REG+
Pt100		E-PROG

T16A

T16A

T1.25A

Controlled counter-cooling

A) Accessory: Solenoid valve for cooling water Order No. 8 980 703

Use a solenoid valve (V) for controlled countercooling to reduce tap water consumption. The necessary cooling pulse is emitted via the socket (14).

In menu >Inputs/Outputs< set the menu item >SVOut< to >K-Pulse<.

see page 65

In menu >Limits< set the menu item >CoolingMax< to >100%<.

see page 62

FD200 Flow-through cooler

Order No. 9 655 825

The FD200 is suitable as cooling device for liquids in closed circuits (loops). This unit is integrated in the return flow circuit from the external system connected to a circulator, and continuously withdraws heat from the liquid.

23

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. Deviations of ±10 % are permissible.

6.2.Switching on / Selecting the language

Switching on:

• Turn on the mains power switch (1).

The unit performs a self-test.

Then the software version (example: V 1.xx-xxxx) appears. The display „OFF“ or „R OFF“ indicates the unit is ready to operate.

The circulator enters the operating mode activated before switching the 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<.

Press the respective keys in the following order:

 3x up to menu Configuration

6x up to submenu >Language/Sprache< deutsch / english

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6.3.Start - Stop

Start:

•Press key.

The actual bath temperature is displayed on the VFD COMFORTDISPLAY. The circulating pump starts with a slight delay.

Stop:

•Press key.

or

Keep key pressed.

The VFD COMFORT-DISPLAY indicates the message "OFF".

7. Setting of temperatures

Press the key to call up the menu for temperature selection.

3 different working temperatures can be adjusted. Their values are freely selectable within the operating temperature range.

The temperatures can be set in start or stop mode.

		Setting of working temperature in the				menu
	Factory settings:	1.	Press the key	. The value flashes
		2.	Select SETPOINT 1 or 2 or 3 using the key			or	.
		3.	Confirm by pressing the		key.

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

Example:

Adjustment/modification of the pre-setting of "SETPOINT 3"

If the active Setpoint is changed, the new value is immediately used for the control of the working temperature.

The heater control indicator flashes.

Setpoint3:	Change the value from 70.00°C to 80.00°C.
	See standard display line 1

•Use the numeric keypad to enter and . Then press enter to store the value.

Notice: Refer to SETPOINT MAX / MIN in chapter „LIMITS“

25

Safety installations, warning functions

8. Safety installations, warning functions

Check the safety installations at least twice a year! Refer to page 13.

Settings for the excess temperature protection > SafeTemp< and for the warning functions > OverTemp< and > SubTemp< are made in a menu which is called up by pressing the key .

Menu item > Type< allows choosing between a warning and an alarm cut-off for the menu items > OverTemp< and > SubTemp<.

Warning:

The excess temperature protection must be set at least 25 °C below the fire point of the bath fluid used!

In case of wrong setting there is a fire hazard!

We disclaim all liability for damage caused by wrong settings!

SafeTemp:

Setting range: 20 °C ... 320 °C

Rough setting can be effected by using the temperature scale.

Settings:

SafeTemp:

Type:

OverTemp :

SubTemp:

•Press the key and by pressing the key or select the menu item and confirm the by pressing the key .

For setting proceed as follows.

•Set the new cut-out value within 30 seconds with a screw driver. Exact display and setting on LCD display

Recommendation:

Set over temperature-protective setting >SafeTemp< 5 °C to 10 °C above the set point of the working temperature.

Switch-over from warning to shutdown function

•Change the parameter by pressing the key and confirm by

pressing the key . or

pressing the key if the parameter is to be retained. Possible parameters: warning or alarm

•Set value on numeric keypad and confirm by pressing

Example: 83.00 °C

Press the keys and and confirm by pressing

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HL / SL

Sensor:

Indicated is the temperature value of the safety sensor.

SafeTemperature:

Setting range: 20 °C ... 320 °C

Indicated is the cut-out value set with a screwdriver on the excess temperature protection device.

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). The following error message appears on the VFD COMFORT-DISPLAY:

Press

for help on the LCD 

Depending on the setting of >ControlType - internal or external< the actual temperature values for both sensors are shown/indicated on both displays.

Examples: I 94.06

and

Ext. : xx.xx°C

Type: >Warning< or >Alarm<

For the two menu items >OverTemp< and >SubTemp< choose between a warning message being signaled or a complete shutdown of the main functional elements such as heater and circulating pump being effected.

OverTemperature: SubTemperature:

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 >OverTemp< 87 °C and >SubTemp< 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 >-Type<.

27

Safety installations, warning functions

Setpoint3 85.0°C

OverTemp 87.0°C

SubTemp 83.0°C

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.

•Setting >WARNING<

A mere warning function with optical and audible warning signal (interval tone) A message appears on the VFD COMFORTDISPLAY:

	or
OverTemp	SubTemp

The LCD –DISPLAY shows the message:

•Setting >ALARM<

Temperature limit with shutdown of heater and circulating pump. An audible alarm sounds (continuous tone) and a message appears on the VFD COMFORT-DISPLAY:

	or
OverTemp	SubTemp

The LCD -DISPLAY shows the message

Press

for help on the LCD

28