Dometic Frigo DC Service Manual page 10

Frigo DC
In case of mechanical damage to the compressor
➤ Bridge the expansionvalve and close it.
➤ Close the opening of the capillary pipe.
➤ Connect the A/C service station and the flushing container to the
refrigerant circuit. Use the adapters 8885300127 to connect the refrigerant
hoses of the A/C service station to the disconnected compressor hoses of
the refrigerant compressor, (fig.
− High pressure side (red) of the A/C station with the low pressure side of the
cooling system
− Low pressure side (blue) of the A/C station with the high pressure side of the
cooling system
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Fig. 3: Sight glass from the flushing tank of the A/C service station
➤ Flush the system in reverse flow direction until the refrigerant visible through
the sight glass of the flushing container is clear, (fig.
4
Fig. 4: Waste oil collecting tank of the A/C service station
➤ Then flush the refrigerant circuit in flow direction until the oil stops leaking
out, (fig.
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Flushing the refrigeration system
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EN