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Technical Terminology
• Refrigerant
Liquids that can be used to a generate a cooling effect are
known as refrigerants. They have a relatively low boiling-point,
indeed so low, that the warmth from the food stored in the
fridge or freezer can cause the refrigerant to boil and vaporise.
• Refrigerant Circuit
Closed circulation system that contains the refrigerant. The
refrigerant circuit comprises primarily of an evaporator, a com-
pressor, a condenser and pipe work.
• Evaporator
The refrigerant is evaporated in the evaporator. Similar to all
other liquids, refrigerant requires heat to evaporate. This heat
is removed from the interior of the appliance, as a result the
interior is cooled. The evaporator is therefore located inside
the appliance or placed in foam immediately behind the inner
wall and thus not visible.
• Compressor
The compressor looks like a small drum. It is driven by a built-
in electric motor and is mounted on the base of the appliance
at the rear. The task of the compressor is to draw in vaporised
refrigerant from the evaporator, to compress it, and to pass it
on to the condenser.
• Condenser
The condenser normally has the form of a grid. The refrigerant
compressed in the compressor is liquefied in the condenser.
During this process, heat is released to the surrounding air at
the surface of the condenser. The condenser is mounted on
the base of the appliance.
