33
5.2.2 Set point setting:
Push the botton
the display shows the current value of the temperature in flashing red and the yellow icon
Set
;
push the buttons to se the desired value.
push again or waiting 10” to save the new value.
5.2.3 Manual defrosting
As mentioned the control unit operates autonomously defrosts. You can also start a manual defrost by pressing the
button .
During defrosting operation will be active the icon .
The defrost ends after a maximum time or intervention of a thermostat positioned on the evaporator fins.
Starting a manual defrost resets the time count of the beginning of the next planned defrost.
5.3 Alarms
Each alarm is normally accompanied by an audible alert, in addition the display shows the alarm icon and its
abbreviation (instead of the set-point).
The audible alarm stopped by pressing any key.
The alarm usually appears long as it is active; in the case of an alarm with automatic reset, the symbol disappears,
but will still remain stored and can be displayed within the archive alarms history.
5.3.1 Alarm history
The instrument is capable of storing the last 10 alarms that occurred and their duration.
In case of alarm present in the archive, the icon will be flashing.
To show the stored alarms:
Push for a few seconds the button
The upper display shows the code of the last alarm tripped, the lower display the number of interventions that
have occurred;
Pushing further appear the codes of other alarms, from newest to oldest.
To check the duration of alarm, press .
Pushing further or pass to next alarm.
If no alarm present in the archive, the display will show
noA
.
5.3.2 Alarm reset
Enter in the alarm display
To reset the showed alarm, press for 2” until the display will show
rSt
on the lower display
NOTE: Active alarms can’t be erased
To erase the whole archive press for 10”
The display will show in sequence:
rsT
,
clr
,
noA
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