Aura 37
Alarm
16
Abs. Maximum alarm
If the house temperature is higher than the set
Abs. maximum alarm
, the control
computer will give a maximum temperature alarm.
Dif. Maximum alarm
The control computer gives a maximum temperature difference alarm if the house
temperature is above:
Calculated end temperature ventilation
+
Dif. Maximum alarm
(the calculated temperature is shown between brackets).
Calculated end temperature ventilation:
24ºC
Dif. Maximum alarm:
3ºC
Calculated alarm limit:
27ºC
An alarm will occur if a temperature becomes higher than the maximum
alarm limit: 24 + 3 = 27°C.
On hot summer days the temperature in a section can be very high. This
can result in a maximum alarm or the difference alarm will have to be set
high. This is not desirable with lower temperatures; the maximum alarm
limit would then be unnecessarily high. In order to provide effective alarms
(dif. maximum alarm as small as possible) the computer increases the
alarm limit parallel to the outside temperature, as soon as this is higher than
the point at which ventilation is maximum.
Calculated end temperature ventilation:
24ºC
Outside temperature:
25ºC
Max. difference alarm:
3ºC
Calculated alarm limit:
28ºC
An alarm will occur if a temperature becomes higher than the maximum
alarm limit: 25 + 3 = 28°C.
Calculated end temperature ventilation:
24ºC
Outside temperature:
35ºC
Max. difference alarm:
3ºC
Calculated alarm limit:
27ºC
Absolute maximum alarm:
35ºC
An alarm will occur if a temperature becomes higher than the maximum
alarm limit: 24 + 3 = 27°C. The maximum alarm is however limited by the
absolute maximum alarm to 35°C.
Abs. Minimum alarm
If the house temperature is lower than the set
Abs. Minimum alarm
, the control
computer will give a minimum temperature alarm.