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  • Pressure controller

16 A, 250 V | O16, 052

Article: 00138305

Pressure controller

016 and O52 are thermostats for room and commercial refrigeration, equipped with a unipolar SPDT switch that opens or closes when the temperature increases or decreases. The tripping temperature can be adjusted by means of a screw on all versions, while the differential is adjustable on some models only. Thermostats can also be equipped with a sensor to measure the air temperature, with straight capillary, with spiral capillary and remote bulb.
Models with capillary, which enable temperature to be measured along the whole length, are used in applications in which the sensing element has a lower temperature as compared to the thermostatic head; the straight capillary is more suitable for longer distances, while the spiral one is recommended for smaller distances. Models with remote bulb, in which temperatures are detected by the sensing bulb only, are available with wide or narrow differential. It is also possible to order models with an integrated disconnect switch if it is necessary to stop the plant without changing the settings of the thermostat. The range also includes a model for ice refrigerators O16?H6999 with fixed calibration, specifically designed to cyclically adjust the thickness of ice by means of a water-filled bulb sensor. The special version for anti-frost O16?H8923 has a 6 m straight capillary that can be used to protect pipes, coils, etc. from frost. This is factory preset to start at 2°C and to disconnect at 3.5°C. For this model and for O16?H6951, a model with manual reset button is also available. O16 and O52 models differ only by the class of protection that is equivalent to IP66 for OH52 and to IP44 for O16.

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