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11.8 Variants on
air conditioning loops
The expansion function can also be fulfilled by an
orifice tube instead of the expansion valve
.
11.8.1 Circuit with an orifice tube and
accumulator
This circuit works in the same way as a conven-
tional circuit in terms of pressure, fluid states and
temperature.
The expansion valve is replaced by an orifice tube.
The receiver drier is replaced by an accumulator
.
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Expansion
valve
Receiver drier
Orifice tube
Accumulator