AUX-Light CAC 50Hz R410A Trouble shooting
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Evaporator
(heat
exchanger)
Function of evaporator:
Make the low pressure refrigerant liquid
from capillary or expansion valve happen
heat exchange with air
Capillary
(throttle
components)
Function of capillary:
Utilize aperture and length change bring
pressure gap., control refrigerant flow
quantity and pressure
One way valve is used for heat pump
unit, it make the refrigerant
liquid only flow as the arrow direction
Function of 4 way valve:
When change cooling mode into heating
mode, it will change the flow direction of
refrigerant;
When heating, the valve get electricity
(cooling without electricity), the slip
assembly move to the right connect pipe 2
and 3, so change the flow direction.
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