Miele TXI 680 WP Eco and Steam Operating instructions/Installation instruction - Page 19

Functioning of the heat-pump dryer, it, causing the temperature to rise.

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Functioning of the heat-pump dryer Two separate circuits ensure that the laundry is dried: Dry air circuit The drying air flows through a heat exchanger, the drum, and several filters. This is ensured by a blower in the dryer. - The drying air flows through the heat exchanger in the longitudinal direction and is heated in the rear area. - The drying air is then blown into the drum, where it absorbs the moisture of the laundry. - The damp drying air is blown back through the heat exchanger via several filters in the fill area and the plinth area of the dryer. - The drying air cools down in the front, cool area of the heat exchanger, and loses its moisture. - The circuit begins again. Refrigerant circuit The refrigerant circuit regulates the heating and cooling of the drying air through the heat exchanger. The heat pump is the central component: This is a compressor that is connected to a pipeline system which is filled with refrigerant. - The pipeline system surrounds the heat exchanger in several bends. - The compressor draws in the gaseous refrigerant and compresses it, causing the temperature to rise. - The hot refrigerant is passed through the pipeline system to the rear of the heat exchanger. The heat is released into the drying air, which flows through the heat exchanger. - The refrigerant liquifies by dissipating the heat. - The liquid refrigerant then flows through a capillary tube (a very thin tube) to the front area of the heat exchanger. This changes the pressure of the refrigerant. - The refrigerant cools and reverts to its gaseous state. This in turn cools the front area of the heat exchanger and dehumidifies the drying air. - The circuit begins again. 19

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Functioning of the heat-pump dryer
19
Two separate circuits ensure that the
laundry is dried:
Dry air circuit
The drying air flows through a heat ex-
changer, the drum, and several filters.
This is ensured by a blower in the
dryer.
-
The drying air flows through the heat
exchanger in the longitudinal direc-
tion and is heated in the rear area.
-
The drying air is then blown into the
drum, where it absorbs the moisture
of the laundry.
-
The damp drying air is blown back
through the heat exchanger via sev-
eral filters in the fill area and the
plinth area of the dryer.
-
The drying air cools down in the
front, cool area of the heat ex-
changer, and loses its moisture.
-
The circuit begins again.
Refrigerant circuit
The refrigerant circuit regulates the
heating and cooling of the drying air
through the heat exchanger. The heat
pump is the central component: This
is a compressor that is connected to a
pipeline system which is filled with re-
frigerant.
-
The pipeline system surrounds the
heat exchanger in several bends.
-
The compressor draws in the
gaseous refrigerant and compresses
it, causing the temperature to rise.
-
The hot refrigerant is passed through
the pipeline system to the rear of the
heat exchanger. The heat is released
into the drying air, which flows
through the heat exchanger.
-
The refrigerant liquifies by dissipating
the heat.
-
The liquid refrigerant then flows
through a capillary tube (a very thin
tube) to the front area of the heat ex-
changer. This changes the pressure
of the refrigerant.
-
The refrigerant cools and reverts to
its gaseous state. This in turn cools
the front area of the heat exchanger
and dehumidifies the drying air.
-
The circuit begins again.