93-520-20 Issue 3.3 Page 45 of 60 CirrusPro Engineer’s Manual
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4.2.2 Algotech Status
This shows the current values of the Algotech time averages and is only applicable when the Algotech
option is switched on during the commissioning. See Section 3.2.11.
Algotech values are based on current levels during power on.
Recent changes are reflected in T1 to T3, otherwise the
four values will be similar.
T1 is the current value
T2 and T3 are used to calculate Thist
Thist is the Historic value (the calculated background
level average).
Fire Levels are based on Current Leval against Thist:
20 above Thist a Pre Alarm
30 above Thist a Fire 1
40 above Thist a Fire 2
50 above Thist a Fire 3
Thist greater than 30 is a fault
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