Circulating baths CB – User Manual Index Warranty ..........................1 Contents of package ........................ 1 First use ........................... 1 Getting started ........................1 Tank filling ........................1 Tube connection for external circulation ................2 Instrument parts ........................ 3 Display and commands ......................4 Operation ..........................
Circulating baths CB – User Manual Warranty Thank you for purchasing this instrument. In normal use conditions, the instrument is guaranteed for a period of 24 months from the date of purchase. The warranty is valid only if the product is original. It does not apply to any product or parts of it that have been damaged due to incorrect installation, improper connections, improper use, accident or abnormal conditions of operation.
Circulating baths CB – User Manual Operating level Picture 1 The circulating bath is designed to be used exclusively with non- flammable Class I fluids (DIN 12876-1). Never use the instrument without fluid in the tank. Periodically check the tank to make sure that the level of the liquid is within acceptable levels. Fill always the tank using the same fluid already present in the tank.
Circulating baths CB – User Manual Display and commands Timer Liquid level Real temperature Cooling ON Heating ON temperature Sound alarm Running ON disabled Picture 5 Visual alarm COMMANDS DESCRIPTION The SET / PROG key permits to set the operating parameters. In combination with the SHIFT key, it allows access to the menu with a password (see paragraph 5.7).
Circulating baths CB – User Manual Operation 5.1 Switching on the instrument Before connecting the power supply cable to a socket, it is necessary to fill the tank (see paragraph 3.2). Turn on the instrument by pressing the button main ON / OFF. The button and the display light up. The display shows the initialization sequence and then the instrument is ready for use.
Circulating baths CB – User Manual NOTE: the value “00:00” indicates the operating mode "continuous", that means once you start the operating cycle by the START / STOP button, it continues maintaining the set temperature until it is stopped manually (START/STOP If you set a value of time, such as 1 hour, the instrument will reach the set temperature and will maintain it for an hour.
Circulating baths CB – User Manual 5.7 Functions with password access 5.7.1 Access to menu with password Simultaneously pressing the SET / PROG and SHIFT for few seconds, you can access some functions and parameters that are password protected. To access these submenus and avoid mistakenly entering in the operating parameters setting, it is recommended to firstly press the SHIFT key, keep it pressed, and then press the SET / PROG for few seconds.
Circulating baths CB – User Manual On the top right part of display the parameter “tm” (temperature max) and the maximum expected value for the kind of instrument (different for oven and incubator) appear. Set the maximum temperature value you want the instrument doesn’t exceed during work cycle by keys.
Circulating baths CB – User Manual We recommend to do not change this value unless absolutely necessary, because temperature fluctuations more or less than the set one, especially in models with natural convection, are normal and thus reducing dramatically the value of AL, it would risk do go frequently and unnecessarily alarmed the instrument.
Circulating baths CB – User Manual Tank emptying When it is desired to empty the tank it is essential that the heating element is no longer powered and has first been cooled. Before proceeding with the fluid removal operations, wait until it has cooled down sufficiently.
Circulating baths CB – User Manual 7.1 Check of the refrigeration units compartment, heat sinks and cooling fans For the checking of the refrigeration units compartment and its components it is necessary to stop the working cycle and switch off the machine by the ON/OFF button on the side control panel and disconnect the power cord from the power socket.
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