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16.2
PROPERTIES OF THE TCU
•
Menu navigation with 3 language selections (German, English, French)
•
Error history (32 messages)
•
Detailed status indicators: Group alarm or individual alarm (cooler temperature, liquid flow), warnings, OK
condition, control temperature, temperature gradient, total running time after service, error-free time
•
Configuration options: Service interval, language, pump control and regulating temperature
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OPERATION OF THE MULTIFUNCTIONAL CONTROL UNIT TCU
In normal fault-free operation, the TCU display shows the current cooling temperature and the green LED is lit
constantly when the cooler temperature is within the alarm limits. The bottom line of the display shows "status: OK"
or current warning and error messages.
Figure 11
Front view of the TCU in normal operation
From any screen (except single temperature view and Service Reset) returns the TCU after 60 s back into the
temperature overview without any key being pressed. If appropriate, altered and unapproved settings jump back
to the original state.
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