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In addition to the long working hours of the initial start-up, the refrigerator compressors are stopped at the time of opening. Generally, the compressor is normally opened and stopped less than 6 times/hour. If the number of starts and stops is more than 8 times per hour, it is too frequent to open and stop. Frequent opening and closing not only increases power consumption, but also affects the service life of the compressor motor and thermostat contacts of the refrigerator. The reasons for this failure are:
(1) The refrigerator has a large loss of cooling capacity. If the door seal is not strict, the number of door opening is large, the door opening time is long, the refrigerator is close to the heat source, and the condenser is poorly ventilated. These will increase the heat load of the refrigerator, causing the temperature inside the box to rise too fast after the compressor is stopped.
(2) The temperature difference between the temperature and temperature of the temperature controller is too small, causing the compressor to work soon, the temperature inside the box has dropped to the temperature at the contact of the thermostat. After the shutdown, the temperature inside the box quickly rises to
The thermostat contacts close the temperature. At this point, the thermostat can be properly adjusted. For a single-door refrigerator, the differential adjustment screw of the thermostat can be appropriately adjusted to increase the temperature difference between the start and stop. For the constant temperature plunge type thermostat, the temperature controller can be rotated clockwise to control the temperature inside the box to a lower state, because the temperature difference between the start and stop of the thermostatic plunge type thermostat increases as the control temperature decreases.
(3) The position of the temperature control tube of the thermostat is incorrect. Due to the vibration during handling and use, the temperature sensing tube is detached, so that the on/off of the thermostat contact is inconsistent with the temperature inside the box, causing the compressor to open and stop frequently. The temperature sensing tube should be fixed to the correct position.
(4) The overload protector is out of order. In the case of no overload of the refrigerator, the overload protector contact often trips, causing the compressor to open and stop abnormally. The overload protector should be replaced.
Founded in 2005, Dongguan Yinyin Hardware Products Co., Ltd. specializes in: silver contacts, electrical contacts, double composite silver nails, riveted silver contacts, soldered silver contacts, various precision stampings, conductive copper posts, contacts Screws, electrical screws, DC, AC various pins, rivets, silver dots, binding posts, stamping parts and production of various silver, copper, iron, aluminum, non-show steel and other heterosexual products, electricity, mobile phone 13728192869, Mr. Chen
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