AD DRYER
NP-DK50 2V-A-4_10-2022-AD 48 10/2022
21.2. Warning - Service interval exceeded
A red warning is shown (“Warning!”) once the service interval
has lapsed. The service tile also lights up red.
The warning is shown until service is completed and the
service interval is reset.
The hours to the next service interval are also displayed.
A list of warnings is saved in the “Warning log”
The dryer continues operating normally
21.3. Alarm conditions
Low/high pressure
A red warning is shown (“Warning!”) if low pressure (<3 bar)
or high pressure (> 8.5 bar, or > 10.5 bar depending on the
pressure version) is detected. At the same time, the current
pressure tile lights up red.
The warning is displayed as long as the alarm condition
endures.
A list of warnings is saved in the “Warning log”
The dryer is not operating normally, regeneration is not initiated,
the compressor must be shut down.
High dew point
This warning is only accessible on dryers with dew point
sensors
A red warning is shown (“Warning!”) if a high dew point is
detected (> -20°C, or. > -40°C depending on the version of the
dryer). At the same time, the current pressure dew point tile
lights up red.
The warning is displayed as long as the alarm condition
endures.
A list of warnings is saved in the “Warning log”
The dryer does not operate properly or is used outside of
recommended conditions for use, the compressor must be shut
down.
A high dew point alarm may appear when the unit is first placed into service. The
alarm will persist until the dryer regenerates. The regeneration time of the dryer
depends on many parameters of use of the device. Dryer regeneration should
take no more than 24 dryer working hours. If the dryer cannot meet the dew point
set-point during the first 24 hours, please contact service personnel.
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