Articles Posted in the " Off and On Controls " Category

  • Refrigeration-Fill in the blanks – motor controls – basic electricity 

    Refrigeration-Fill in the blanks – motor controls – basic electricity 

    Refrigeration-Fill in the blanks – motor controls – basic electricity  Keywords: Thermostat-feeler bulb-low and high pressure cut out-Humidistat Abstract Controls and safety devices in refrigeration are  extremely important to make the operation automatic and safe. Thermostat makes the motor off as soon as the pre-fixed temperature is achieved. Absence  of a thermostat will keep the refrigeration […]


  • * On and Off Motor – Compressor controls in Refrigeration

    * On and Off Motor – Compressor controls in Refrigeration

    ON AND OFF MOTOR- COMPRESSOR CONTROLS IN REFRIGERATION      (i)                 Suction Pressure Motor Controls (a)   Cut out suction pressure control—It is only an OFF control. If the pressure in the evaporator becomes lower than the preset low pressure limit, the control will make the motor off.  It happens when enough cooling load is not […]