
Lumina 750
Alarm
O2 difference
Setting of the value the measured O
2
content may be lower than the O
2
control
value.
Tunnel < Compost
temperature difference
Setting of the value by which the measured tunnel temperature may be lower than
the average compost temperature.
Froststat. alarm
Setting if a frost thermostat is used (
YES
). The control computer will give a loud
alarm as soon as this thermostat is activated. External frost security can also be
connected. The fan will be deactivated during this alarm.
The frost thermostat must also interrupt the control signal to the fan.
Fan trouble alarm
Setting if fan security is used (
YES
). The control computer will give a loud alarm as
soon as this security is activated. The fan will be deactivated during this alarm.
Alarm delay
Setting of the time (hours and minutes) the control computer should wait before
actually giving an alarm. The alarm situation could recover in this period of time.
This prevents unnecessary alarms being given as a result of brief differences. The
delay only applies for relative humidity (RH) and all temperature alarms.
- If a setting is set to 0, the control computer will not give an alarm for this climate parameter.
- An alarm can only activate after the measured value has been within the alarm limits once.
4.3
Alarm history
à
The control computer stores the alarm history per growing room.
The computer stores the last ten alarm messages.
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