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15
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S
S
y
y
s
s
t
t
e
e
m
m
D
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i
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a
a
g
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r
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a
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m
m
System Diagram for Cooling-and-Heating Unit
Capillary
4-way valve
Evaporator
Condenser
Gas-liquid
Cooling separator
Compressor
Heating
Switch on the power to start the unit. Low-pressure refrigerant vapor from evaporator is absorbed into the
compressor, where it is compressed into high-temp. and high-pressure gas. The gas refrigerant is then
diverted to condenser, where it is liquidized after heat exchange with outdoor air. After that, the liquidized
refrigerant flows through capillary for decrease of temperature and pressure and then enters into
evaporator, where it becomes low-temp. and low-pressure refrigerant vapor after heat exchange with
indoor air to be regulated. This process is repeated in cycle to achieve the purpose of cooling. (Under
heating mode, the 4-way valve will change the flow of refrigerant, so that the condenser absorbs heats
and the evaporator gives out heats, thus to achieve the purpose of heating).
Содержание AIR F24
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