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Summary of Contents for Julabo SW22
- Page 1 English Operating manual Shaking Water Baths SW22 SW23 JULABO GmbH 77960 Seelbach / Germany Tel. +49 (0) 7823 / 51-0 +49 (0) 7823 / 24 91 info@julabo.de www.julabo.de 1.951.4023-V2 06/13 19514023-V2.doc Druck: 25.07.13...
- Page 2 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.
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Page 3: Table Of Contents
Shaking Water Baths TABLE OF CONTENTS OPERATING MANUAL ....................5 1. INTENDED USE ....................5 1.1. Description ....................5 2. OPERATOR RESPONSIBILITY – SAFETY INSTRUCTIONS ......5 2.1. Disposal ..................... 7 2.2. EC Conformity .................... 8 2.3. Warranty conditions ..................9 2.4. - Page 4 10. TROUBLESHOOTING GUIDE / ERROR MESSAGES ........32 10.1. Acoustical signals and their differentiation ..........34 11. ELECTRICAL CONNECTION ................35 12. REMOTE CONTROL ..................36 12.1. Communication with a PC or a superordinated data system ....36 12.2. List of commands ..................37 12.3.
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Page 5: Operating Manual
(bath fluid). 1.1. Description JULABO shaking water baths of the series SW22 and SW23 are ideally suited for laboratory applications and research in the fields biology, biochemistry, pharma- cology, chemistry and general medical technologies. They are likewise suited for routine laboratory tasks and long- term unattended operation. - Page 6 Insufficient ventilation may result in the formation of explosive mixtures. Only use the unit in well ventilated areas. The unit is not for use in explosive atmosphere. JULABO water baths have been designed for temperature application to water in a bath tank. The bath may not be filled with flammable materials. Fire hazard!
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Page 7: Disposal
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) 2.1. Disposal Do not dispose of the unit with household waste! However, over the long operating period of the unit, disposal rules may change. Therefore, only qualified personnel should handle the disposal. -
Page 8: Ec Conformity
Low voltage regulations with respect to legal harmonization of the member countries concerning electric devices for use within certain voltage limits. EMC guideline with respect to legal harmonization of the member countries concerning electromagnetic compatibility. JULABO GmbH Eisenbahnstr. 45 77960 Seelbach / Germany... -
Page 9: Warranty Conditions
24 months, limited to a maximum of 10 000 working hours. To apply for this extended warranty the user must register the unit on the JULABO web site www.julabo.de, indicating the serial no. The extended warranty will apply from the date of JULABO GmbH’s original invoice. -
Page 10: Technical Data
Operator responsibility – Safety instructions 2.4. Technical data SW22 SW23 Working temperature range °C 25 ... 99,9 25 ... 99,9 with water cooling °C 20 ... 99,9 20 ... 99,9 MULTI-DISPLAY (LED) Resolution °C 0.2 0.02 Temperature stability Computer interface... - Page 11 Shaking Water Baths Safety installations according to IEC 61010-2-010: Excess temperature protection 105 °C - fixed value Classification according to DIN 12876-1 class I Alarm indication optical + audible (continuous tone) Supplementary safety installations High temperature warning function optical + audible (in intervals) Low temperature warning function optical + audible (in intervals) Timer...
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Page 12: Operating Instructions
Operating instructions Operating instructions Operating controls and functional elements Mains power switch, illuminated Working temperature High temperature warning limit Low temperature warning limit Operating hours indicator key Nominal value shaking frequency display key Indication: MULTI-DISPLAY (LED) Temperature display optionally in C or F; time display in h:m and shaking frequency. - Page 13 Shaking Water Baths Drainage screw Connector for liquid level/cooling set (accessory) Mains power cable with plug T 10 A power supply fuses behind side cover RS232C interface Shaking carriage - totally removable - 8 kg load-carrying capability Surface for placement of items (fixtures) Stroke bar with fastening screw Washers...
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Page 14: Safety Notes For The User
Safety notes for the user Safety notes for the user 4.1. Explanation of safety notes In addition to the safety warnings listed, warnings are posted throughout the operating manual. These warnings are designated by an exclamation mark inside an equilateral triangle. “Warning of a dangerous situation (Attention! Please follow the documentation).”... - Page 15 Shaking Water Baths Check the filling level of the bath fluid from time to time. The heater must always be fully covered with the bath fluid! Never operate the unit without bath fluid in the bath. Do not drain the bath fluid while it is hot! Check the temperature of the bath fluid prior to draining (by switching the unit on for a short moment for example).
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Page 16: Preparations
Preparations Preparations 5.1. Installation Caution: The unit is not for use in explosive environment. The installation site should meet the following conditions: 1. The base of the installation site should be level to ensure proper functioning of the safety features. 2. -
Page 17: Bath Liquid
Distilled and deionized water is unsuitable. Their special properties cause corrosion in the bath, even in stainless steel. JULABO takes no responsibility for damages caused by the selection of an unsuitable bath fluid. Please contact JULABO before using other than recommended bath fluids. -
Page 18: Filling / Draining
Preparations 5.3. Filling / Draining Filling: Maximum filling level: 6 cm below the bath rim Minimum filling level: 7 cm (level approx. 3 cm above surface (16) for the placement of items/fixtures) Note: The working filling level depends on size and number of the items (fixtures) to be placed inside. -
Page 19: Maintaining A Constant Water Level / Counter Cooling
Shaking Water Baths 5.4. Maintaining a constant water level / Counter cooling For cooling tasks near the ambient air temperature the liquid level/cooling set can be used for counter cooling. By special pipe routing, cool faucet water is continuously supplied to the water bath, while at the same time, the heated water is drained via the overflow connection of the Level/Cooling set. -
Page 20: Accessories
Preparations 5.5. Accessories Bath covers Recommendation: Use the water bath cover to keep temperature losses to a minimum. This is especially important for working temperatures above 60 C. Order No. Description 8 970 288 Lift-up Makrolon cover (to +80 °C) 8 970 268 Lift-up stainless steel cover (to +100 °C) C o o l i n g i n s t a l l a t i o n / c o n t i n o u s w a t e r s u p p l y... -
Page 21: Operating Procedures
Shaking Water Baths 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. ... -
Page 22: Setting The Temperature
Switching on 7.1. Setting the temperature Display and adjustment of the working temperature: Press the setpoint key The indicator light blinks and the value previously set appears on the MULTI-DISPLAY (LED). (example: 25.0 °C). If no further key is pressed the display will return to show the actual bath temperature after approx. - Page 23 Shaking Water Baths Display and adjustment of over-/undertemperature: Press the key (example: 41 °C) (example: 35 °C). The indicator light blinks and the value previously set appears on the MULTI-DISPLAY (LED). If no further key is pressed the display will return to show the actual bath temperature after approx.
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Page 24: Adjustment Of The Shaking Frequency
Switching on 7.3. Adjustment of the shaking frequency The shaking frequency is adjustable between 20...200 rpm. If shaking operation is not desired it can be switched off at menu level. Select the menu level and activate the option SA (see page Display and adjustment of the shaking frequency ... -
Page 25: Electronic Timer
Shaking Water Baths 7.4. Electronic timer The electronic timer enables adjustment of the operating time up to a maximum of 9 hours and 59 minutes. Countdown then commences to zero, at which time an acoustical time signal will be issued in intervals ..... -
Page 26: Menu Functions
Menu functions Menu functions Adjustment of parameters which, in most instances, need only be adjusted once, are performed on the water bath at menu level. 1. Shaking operation On/Off 2. Circulator pump On/Off (Only shaking water bath SW23). 3. MULTI-DISPLAY temperature display in C or F 4. -
Page 27: Circulator Pump On/Off
Shaking Water Baths 8.2. Circulator pump on/off Only shaking water bath SW23 feature a circulator pump. The pump can be set to on and off at the menu level. At working temperatures > 80 C the pump will switch off automatically Press at the same time. -
Page 28: Atc - Absolute Temperature Calibration
Menu functions 8.4. ATC - Absolute Temperature Calibration ATC serves to compensate a temperature difference that might occur between circulator and a defined measuring point in the bath tank because of physical properties. Internal sensor (T The difference temperature is determined (T= T and stored as correcting factor (example T = -0.2 °C). -
Page 29: Setup For Remote Control
Shaking Water Baths 8.5. Setup for remote control If the shaking water bath is to be remotely controlled or monitored, the parameter of the menu option REMOTE must be changed and set from 0 to 1. REMOTE 0 = Keypad control 1 = Remote control via RS232 interface Press at the same time. -
Page 30: Adjusting Interface Parameters
Menu functions 8.6. Adjusting interface parameters Correct data transmission takes place only when the interface parameters of PC and water bath are identical. Press at the same time. Use the cursor keys to select the desired menu option (BAUDRATE, PARITY, HANDSHAKE). Select the alternative state with the edit keys confirm the selection with the ENTER key Press... -
Page 31: Evaluation Of The Temperature Limits
Shaking Water Baths 8.7. Evaluation of the temperature limits The high- and low-temperature limit can be adjusted in two ways (see page 22) 3. As pure warning function with an acoustic warning signal in regular intervals. Adjustment „Li 0“ – factory adjustment 4. -
Page 32: Troubleshooting Guide / Error Messages
Short-circuit of triac. Short-circuit in alarm relay. After eliminating the malfunction, press the mains power switch off and on again to cancel the alarm state. If the unit cannot be returned to operation, contact an authorized JULABO service station. - Page 33 Shaking Water Baths Disturbances that are not indicated. Warning: D a n g e r o f e l e c t r i c s h o c k ! The exchanging of the fuses are to be carried out only by qualified service personnel.
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Page 34: Acoustical Signals And Their Differentiation
Troubleshooting guide / Error messages 10.1. Acoustical signals and their differentiation Three different signals are generated by the sound generator as follows: - an alarm signal - a warning signal - a time signal The signals can easily be recognized and differentiated, even from a good distance. -
Page 35: Electrical Connection
Shaking Water Baths 11. Electrical connection RS232C serial interface This port can be used to connect a computer with an RS232C cable for remote control of the waterbath. Pin assignment: Pin 1 Receive Data Pin 2 Transmit Data Pin 3 0 VD Signal GND Use shielded cables only. -
Page 36: Remote Control
Remote control 12. Remote control 12.1. Communication with a PC or a superordinated data system A suitable terminal program for communicating with a PC is: Terminal.EXE (included with MS-Windows). If the waterbath is put into remote control mode via the menu level, the display will read "OFF"... -
Page 37: List Of Commands
Shaking Water Baths 12.2. List of commands Command Parameter Response of the shaking water bath version none Number of software version(V X.xx) status none Status message, error message (see below) out_mode_05 STOP - returns the water bath to the „OFF“ state out_mode_05 START - water bath is switched to the operating state out_mode_08... -
Page 38: Status Messages
Remote control 12.3. Status messages Message Description 01 MANUAL START Waterbath in keypad control mode. 02 REMOTE STOP Waterbath in „OFF“ state 03 REMOTE START Waterbath in remote control mode 12.4. Error messages Message Description -01 TEMP / LEVEL ALARM Safety temperature or low liquid level alarm -03 EXCESS TEMPERATURE High temperature warning „... -
Page 39: Cleaning / Repairing The Unit
Periodic maintenance is not required. The tank should be filled only with a bath fluid recommended by JULABO. To avoid contamination, it is essential to change the bath fluid from time to time. Before asking for a service technician or returning a JULABO...
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