Cleaning Refrigerator
Cooling Coils


Refrigerator cooling coils,
cleaning instructions.




Refrigerator
Cooling Coils


Cleaning Refrigerator
Cooling Coils


How a Refrigerator
Cools


A refrigerator is a heat pump
which removes heat from
the inside of the refrigerator,
where the food is, and pumps
the heat out into the room.

By removing the heat from
the inside of the refrigerator,
the food cools.

The thermostat determines
the proper temperature
inside the refrigerator, by
regulating the run time of
the heat pump.

The heat pump has two sets
of pipe coils, one set of coils
within the refrigerator which
gathers up the heat inside
the refrigerator.

The other set of coils release
the heat into the room.

The process takes place by
the heating and cooling of a
special fluid inside the coils,
which is pumped around
in a closed circuit within
the coil of pipes.

A refrigerator loses its cooling
capacity when the cooling
coils cannot release the
heat to the outside of the
refrigerator.

Dust and grime prevent heat
from leaving the cooling coils.
Anything covering the coils
acts like an insulator, and
prevents heat from leaving,
in which case, little or no
cooling takes place, or the
cooling ability is reduced.




Most modern refrigerators take
in room temperature air to
cool the coils, at the front,
bottom, below the door.

The air enters on the one side,
passes over the cooling coiling,
makes a loop around, and
exits on the opposite side
of the refrigerator.

The hot air is released into
the room.
The air is moved by a fan.

On the modern fridge, there
is a removal grill on the
lower bottom, front of the
refrigerator, below the
refrigerator door.

Directly behind the grill is
the heat removing coils.

The older refrigerators have
the heat removing coils on
the back of the fridge, and
no fan is used.

There must be enough air
movement behind the
refrigerator to cool the coils.


Cleaning Refrigerator
Cooling Coils


Unplug the refrigerator, place
some protection on the floor,
like cardboard to prevent
scratching of the floor.

Roll the refrigerator it away
from the wall.

Remove the bottom front
lower grill, vacuum out as
much dust off the coils from
the front as you can reach.

Remove the cardboard or
metal cover from the back
of the refrigerator, to get
at what you can't reach
from the front.

There is a long narrow
crevice tool, that you can
buy, which fits on the end
of most vacuum hoses, to
reach further into the
inside bottom of the fridge.

In a pinch, a long narrow
stick with a damp rag tied
around the end will also
work to pick up the dust
off the coils.


Clean the dust behind the
refrigerator, and inside
the back of the refrigerator,
around the compressor.

On older refrigerators that
have the coils on the back,
the coils can be vacuumed
off with a brush attachment
on the vacuum cleaner hose.

A fan, mounted inside the
refrigerator, near the back,
circulates the air past the coils,
clean the dust off the motor
and fan blades.

The motor will run cooler.

Most of these fan motors are
lubricated for life and never
need to be oiled.

Refrigerator cooling coils
should be cleaned at least
once a year, and more
where there is a pet in
the family.

The refrigerator with clean
cooling coils, runs less, lasts
longer, and uses less
electricity.




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Cooling Coils,
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