removing HEAT

Refrigerators don’t make things cold ! They remove heat. Heat transfer, energy transfer.
We take for granted the fridge until maybe the light bulb inside burns out or the ice cream doesn’t get as hard as it used to or the milk (or beer) doesn’t get cold enough.
This is a basic two door (side by side) fridge with out the bells and whistles , Ice maker, water dispensers etc.
Refrigeration depends on removing the heat from inside and venting it to the exterior of the fridge.
Most rely on proper air circulation both inside and outside to work effectively and efficiently .
Keeping the condenser coils, those located some where outside the box, clean promotes proper energy transfer.
Older fridges had the condenser coils on the back and simply gave off heat. Now they are usually at the bottom and air circulated over them by a fan.
It is recommended that these coils be cleaned often.

in this case remove the grill as the manufacturer recommends.

with a vacuum and a crevice tool, clean the coils

while your under there, remove and clean the drip pan.

When the fridge goes through the defrost cycle the melting ice has to go somewhere !

If you never clean it, it may cause odors, the water that collects in it normally evaporates, you don’t have to empty it periodically.

You can remove the back cover and clean the compressor, fan and coils of dust buildup that traps in heat if you desire. CAUTION ! some of these components may be hot and of course unplug the fridge before cleaning. Note any copper tubing that is touching another surface or rubs against another tube, over time this could wear due to vibration, cause noise, and or refrigerant loss. Isolate.

A look at the evaporator coils in the freezer, cover removed. It’s not necessary to clean these. This fridge relys on a fan to circulate air over the coils removing heat and ducting it from the freezer to the fridge side for cooling.

With simple periodic cleaning, you fridge will always keep your cool !

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June 2011
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