AKO AKO-21006, Руководство пользователя

Страница: 93 / 120

93
6.- Alarm management
DUOControl controllers enable the following alarms to be detected:
Safety circuit for the compressors
Safety circuit for the fans (or inverter)
General high pressure switch
General low pressure switch
High pressure pre-alarm
Low pressure pre-alarm
Suction probe error
Discharge probe error
Ambient air probe error
Compressor maintenance
The DUOVision user terminal shows each of the active alarms on screen and records them in the alarm log.
SAFETY CIRCUIT FOR THE COMPRESSORS
A compressor stops automatically when its safety circuit activates and starts normal operation again when
this deactivates.
SAFETY CIRCUIT FOR THE FANS
A fan stops automatically when its safety circuit activates and starts normal operation again when this
deactivates.
SAFETY CIRCUIT FOR THE INVERTER
All the compressors stop in turn when the safety circuit for the inverter activates. They return to normal
operation again when this deactivates.
GENERAL HIGH PRESSURE SWITCH
DUOControl
controllers gradually shutdown all the compressors when the general high pressure switch is
activated. The regulation of the compressors returns to normal when the pressure switch is reset (manually
or automatically).
The installation is blocked when the general high pressure switch is activated 5 times or more in
one hour. There are two options for unblocking it:
- Disconnecting the
DUOControl power supply and reconnecting it.
- Changing the status of the I3 input from AUTOMATIC to MANUAL and back to AUTOMATIC again.
we make it easy