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8.3. The function of alarm signaling the exceeding of the correct temperature range.
The regulator has the function of signaling the exceeding of the set temperature range.
In order for the function to work properly, the appropriate temperature range must first
be programmed, this is: parameter A1 – temperature below which the alarm will be
activated and parameter A2 – temperature above which the alarm will be triggered
(see 9. TABLE OF SETTINGS).
The third parameter to be defined is the time delay of switching on the alarm function
from the moment the regulator’s operation is switched on – parameter AA. This delay
eliminates the triggering of an alarm in the initial cooling phase.
Exceeding the set temperature range is signaled visually and sound. In the event
of activation of the alarm, the buzzer is triggered cyclically every 1 minute for 5 seconds,
and at the same time letters PPP and the temperaturę value are displayed.
ATTENTION
The parameter AA is identical to the delay specified in the maximum and minimum
temperature recording function. In other words, the delay value set in the parameter
AA will be the same for recording max. and min. temperature and for parameters A1
and A2.
The audible alarm can be turned off by setting the HE parameter to 1 (see 9. TABLE
OF SETTINGS). In this case, exceeding the set temperature range is signaled only visually,
as shown in the figure above. The alarm system (audible and visual) can also be turned
off completely by changing the HA parameter to 1 (see 9. TABLE OF SETTINGS).
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