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5/4/2012
¾ Freezer temperature control using compressor, fans and 3-way valve
¾ Fresh Food temperature control using compressor, fans, 3-way valve and
damper (single evaporator models)
¾ Ice Box temperature control
¾ Deli pan control using the damper, fan and heater
¾ Variable fan speed control with RPM feedback for the condenser, fresh food
and freezer evaporator, ice box and deli pan fans
¾ Freezer and fresh food evaporator defrost control
¾ Icemaker control for models with an icemaker in the freezer
¾ Control of the isolation water valve
¾ Control of mullion and ice port heaters based on external temperature and
relative humidity
¾ Control of the fill tube heater for the icemaker located in the freezer
¾ Control of the interior LED lighting in the fresh food compartment
The main control board operates some or all of the following outputs
depending on the model identification used:
Main Control Board
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