National Refrigerator 355 – Fan System Overview
1. Evaporator Fan ()
Located near the evaporator coil (freezer section).
Circulates cold air from the evaporator into the fridge & freezer.
Ensures uniform cooling and prevents frost buildup.
2. Condenser Fan () (if model has external condenser)
Located near the compressor & condenser coils at the back/bottom.
Blows air over the coils to dissipate heat.
Prevents compressor overheating and improves efficiency.
3. Air Ducts & Vents ()
Channels cold air from freezer to fridge compartment
Helps keep consistent temperature in all shelves
When the compressor runs (), the evaporator fan turns on to push cool air.
Thermostat () and control board () regulate fan speed and on/off cycles
Defrost cycle () temporarily stops the fan while heater melts frost,