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5/4/2012
Fresh Food Cycle Defrost
¾ Fresh food cycle defrost occurs between heated fresh food defrost cycles to
reduce excessive frost accumulations on the fresh food evaporator.
¾ During fresh food cycle defrost, the evaporator fan runs and there is no
refrigerant flow through the evaporator.
¾ Fresh food cycle defrost does not use the fresh food defrost heater.
¾ Fresh food cycle defrost will occur any time the 3-way valve is moved from the
‘A’ position to the ‘B’ position. The fresh food fan will run at LOW* speed for 10*
minutes, then cycle off if fresh food temperatures are satisfied.
¾ The fresh food cycle defrost does not occur when the compressor cycles off.
* Values are approximate and preliminary
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