AERMEC FCL Series - Alarm Management and Display

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Alarm management
The management of the alarm situations will be as follows:
When an anomaly arises the machine will be put in stop status (Pre-alarm) and the anomaly is
counted. There are two possible situations at this point:
 the pre-alarm remains for a time in excess of the maximum value (Time-out): in this case
the alarm is taken to the Alarm state definitively.
 the pre-alarm disappears. In this case the machine can start up again, respecting the
compressor safety times. If however the number of pre-alarms counted exceeds the
maximum number allowed then, in this case too, the machine will be taken into the
definitive alarm state.
The number of pre-alarms that cut in is continuously decreased at regular time intervals for each
alarm.
Alarm Maximum
number of pre-
alarms
Pre-alarm
decrease time
Time-out
Ambient probe 4 1 h 1 min
Water probe 4 1 h 1 min
External air probe 4 1 h 1 min
Coil overheating 4 1 h 20 mins
External contact 3 30 mins 10 seconds
Condensate discharge pump 1 30 mins 10 seconds
Electric heater overheating 3 5 mins 3 minutes 30
seconds
General alarm (contact) 3 30 mins 10 seconds
Once in alarm mode, the machine turns off and the red and yellow LEDs indicate the type of alarm.
If the machine is in pre-alarm or alarm mode, it is still possible to display the type of anomaly by
setting OFF from the remote control, then pressing the AUX key for 5s. To exit this mode, just set
ON from the remote control.
To reset the active alarms it is necessary to power down the machine.
Alarm display
The alarm display uses special sequences of the yellow and red LEDs.
This visualisation is automatically activated (in place of the normal visualisation regarding general
machine status) every time an alarm cuts in and requires a manual reset.