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The liquid refrigerant before leaving the condensing section is passing inside the sub-cooler where is cooled below the
saturation temperature, to compensate the pressure drops through the liquid line and to increasing the evaporator
capacity.
After the sub-cooler the liquid refrigerant enters in the liquid receiver, where the exceeding charge is accumulated during
the "cooling mode" in order to compensate the different volume (refrigerant side) between the coil condenser and the
heat recovery condenser. The liquid refrigerant passes through the filter dryer, to eliminate eventual particle of humidity,
and through the expansion valve where there are the expansion of the refrigerant.
In that situation we have the refrigerant mixture of liquid and gas at low pressure entering the evaporator that absorbs the
heat load from chilled water to complete the evaporation and restart the cycle.
Refrigerant circuit – EWAP-AJYNN – EWAP-AJYNN/A
ST1
Y6
EVAPORATOR
ST2
Y6
D - KIMAC00512-09EN - 25/40
WL1
WL2
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