KGL Operating Manual – UA 412 S
2019-01-14
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Before the connection to the case controller, all participating BT 30 temperature displays
be
must
addressed using the two lead-out wire jumpers.
Practical tip: If all four BT 30 are configured the same (e.g. all wire jumpers closed = address 1), all
BT 30 display the same temperature.
Further information and connection notes for the BT 30 can be found in the
Symbols and parametrisation
In addition to the temperature, the current status of the controller and the cooling is displayed using symbols.
Display of the current temperature: The temperature values in the temperature display can be impacted with a
(parameter "Offset", see Menu 6-2-2) in order to be able to compensate for differences
correction value
between thermometers in the refrigerated case and in the display of the case controller.
Note: This correction value
concerns the display; the actually measured temperatures are not corrected.
only
This correction value has
influence on the regulation (cooling, defrost etc.).
no
Symbol "Defrost": A defrost symbol is displayed during the defrost. The last measured temperature value is
shown in the display for the duration of the defrost.
This also applies during any possibly set wait time. The current temperature is not displayed again until 15
minutes
the end of the defrost. The drip time does not extend this delay time of 15 minutes.
after
Symbol "Snowflake": Controller in cooling operation (cooling active)
Symbol "Alarm": An alarm is pending!
In order to counteract any uncertainty on the part of the public, the parameter "Alarmsymbol" (menu 6-2-2) can
be used to activate or deactivate the display of the alarm symbol.
5.14 Recording of messages and alarms
A maximum 25 messages and alarms of the case controller in the event of errors is recorded in a ring buffer
with message text, date and time of the start of the alarm and date and time of the end of the alarm.
