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( 4 ) If the noise of the refrigerator is large, you should listen carefully to the source of noise.
2 . Touch
In the case of the normal operation of the compressor , you can touch the relevant parts of the measured temperature of the refrigeration system to determine the level of failure of the refrigeration system .
( A ) exposed to a condenser , the compressor is normally about 5 minutes after the operation , the first high-pressure pipe , and the condenser temperature is rapidly increased , a condenser
The average temperature higher than the ambient temperature is generally from about about 15 ¡æ, the temperature in different parts of different , and for concealed condenser , water evaporation refrigerator at the bottom of the radiator pipe temperature up to about 50 %. The sides or back should also be hotter .
( 2 ) compressor running about 30 minutes later , the hand should touch the walls of the evaporator ice hand feeling Yi , with wet hands touch the evaporator surface , should feel sticky hands , the fingers should be printed after the white left .
( 3 ) dry filter surface temperature should be close to the ambient temperature or lukewarm .
(4 ) the compressor starts , with the growth of its cabinet temperature operation time . Gradually increased . In the summer, temperatures up to the cabinet 80 "C. If the running time is not long . Cabinet temperature reaches 90" C above , there is a fault . The drawings are part of the normal refrigeration system reference temperature .
3 . Look
( 1 ) Check the evaporator frost conditions . Normal operation about 30 minutes to see if the surface of the evaporator frost walls evenly .
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