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Pressure Controller

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Digital instrument for walk-in and display coolers with natural defrost function by compressor shutdown and permanent ventilation. It features a 16Amp powerful relay that commands up to 1HP compressors without the need of a magnetic contactor, associated a timer with a programmable cooling and defrosting times. It also has a programmable Digital Filter which prevents the compressor from constant switches while the door is temporarily open. This filter aims to simulate an increase in the environmental mass through sensor 1 (S1) thus increasing the thermal reaction time (thermal inertia). Besides, an internal datalloger to storage data, which enables to record the average temperature and the controller output status at user-defined time intervals. Therefore it allows to collect the data continuously without the need of a computer permanently connected, once all the data can be later sent via RS-485 serial communication.

Pressure Controller

Pressure Controller

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Pressure controller featuring 16 outputs (double suction and discharge) for mounting racks, which includes Sitrad connection; 16 configurable hour meters (working hours for each output); 3 pressure transducers (control) and 3 temperature sensors (safety); 6 configurable digital inputs; 3 operation modes for the compressors (sequential, according to capacity, and rotative output actuation according to operation time).
It also enables you to configure night and day set points, allowing a great energy saving.
It has a serial communication for connection to Sitrad.
Dimensions: 160x69,5x76,5 mm

Pressure Controller

Pressure Controller

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Yes! I am interested
FOB Price : Get Price

For cooling premises, it features five control outputs (four digital outputs and one 0-10VDC analog output) for frequency inverter proportional control. In addition, it features one auxiliary digital output (NC contact) that can be used to indicate pressure out-of-range (under/over) or sensor not working.
It enables you to save energy and enhance the equipment life since the proportional control allows the equipment power to be altered according to the motor RPM. This decreases the power ON cycles, reduces the mechanical wearing and avoids current surges when powering ON the equipment.
It operates in independent pressure ranges, from 0 to 100 psi (suction) or 0 to 500 psi (discharge). Anmonia refrigeration systems compatible.

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