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Idiomas disponibles
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7. GENERAL OPERATION AND CONTROL MODES
Discharge pressure is the variable that regulates product operation after the start button is pressed. The Control NET electronic interface will
check the starting conditions and start the compressor if all these conditions are met. If any of the conditions required for starting are not met, the
equipment will not start and a message will be displayed on the main interface screen.
If any operating condition is not met (e.g. discharge pressure is over relief pressure) the product will enter into started mode, the main motor will
not start, the compressor will enter in standby mode and a message will be shown on the main screen. When a load request is made, the main
motor will perform the starting procedure. During motor start-up and load time (configurable), the compressor will remain in relief to allow the
motor speed to stabilize. The load time can be disabled if necessary. Immediately after load time has elapsed, the load relay output is energized
and the compressor is loaded. If the discharge pressure reaches the relief pressure value, or a remote relief command is received, the load relay
output will be de-energized and the product will operate in relief mode during relief time (configurable), before the main motor shuts down and the
compressor enters standby mode. The equipment will operate under load again if the pressure drops below the load pressure before relief time
ends. If the product is already in standby mode, a new motor starting sequence will be required before the on-load operation.
Whenever the main motor stops, initiated by a stop command or via standby mode, the cooling time (configurable) is started. If a start request is
made during cooling time, the compressor will enter standby mode until cooling time is completed. If the load request is still present in standby
mode, the main motor will only start after cooling time has ended. For compressors where internal pressure measurement is enabled, a minimum
internal pressure can be set to prevent the motor from starting even after cooling time. If after two minutes the internal pressure does not fall
below the set minimum pressure, a protection will be triggered and the compressor will shut down. Shortly after the equipment enters relief mode,
the reload time (configurable) is started to prevent the product from on-load operation too soon. This time can be disabled if necessary.
Normal compressor operation is terminated if the stop button is pressed, a remote stop command is received or a protection is active. When
stopped manually or remotely, the load relay output is de-energized. The main motor continues to run during stoppage time (configurable). This
time can be disabled if necessary.
PRESSÃO DE ALÍVIO
PRESSÃO DE CARGA
4
PRONTO
6,7,8,9,10,11
Botão de partida pressionado, motor principal partindo, funcionamento em alívio, tempo
PARA
de carga, funcionamento em carga, funcionamento em alívio, tempo de recarga.
PARTIR
FIGURE 7.1 - General Operation
TEMPO DE ALÍVIO
ESPERA
200
TEMPO
DE
PARADA
PARADO
BOTÃO DE
12
PARADA
PRESSIONADO
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