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11.5 The expansion valve
Roles:
g
Controls the drop in pressure for refrigerant
evaporation & cold generation
g
Controls the flow rate of the fluid in
the evaporator
g
Controls the evaporator output temperature
(superheating)
The expansion valve is located downstream
of the receiver drier, it receives the refrigerant
fluid in a 100% liquid state and after it has
been filtered.
Expansion valve
11. The components
of the A/C Loop
52