SBS COSMOS REFRIGERATOR 07.11.2018 / REV NO: 01
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Sensitivity: Public
7.1. General Operating Principle
SBS Cosmos Electronic NF refrigerator is a microprocessor-controlled, no-frost refrigerator
with two compartments, namely the fridge, freezer compartments. All functions and
temperature controls of the refrigerator are made in accordance with the desire of the user
thanks to the microprocessor. The software in the microprocessor controls the cooling and
water system elements (compressor, fans, heaters, valves, icebox, solenoids, ice crusher
motor and ionizer, etc.) of the refrigerator. Cooling of the refrigerator is provided by circulating
the air in it continuously for the Freezer and the FF separately over the evaporators by means
of the fan. No frosting or icing occurs inside the usable areas of no-frost refrigerators as it does
in conventional refrigerators. The frosting that occurs on the evaporator which is out of the
usable area is melted by means of heaters automatically activated under the control of the
microprocessor at certain intervals to be determined by the control algorithm. Thus, the snow
and the ice accumulated on the evaporator are melted without making any operation by the
user to enable the refrigerator operate more efficiently.
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