How to Measure the Quality of Refrigerator Compressor

1. Measuring winding: First, measure the resistance of any conductor of the compressor with a multimeter in the range of 200 ohms. It is correct that the sum of the smaller two measured values in the three groups of data is equal to the maximum measured value. 2. Re-measure the resistance to ground: Measure the direct resistance between the third line of the compressor and the compressor shell with a 2mohm multimeter, and the multimeter displays "1". This is correct. 3. Measuring the starting capacitance: Measure the capacitance with the capacitance file of a multimeter. If the measured value is close to the marked capacity of the starting capacitance, it is normal. All the above group data must be normal to be used normally.

Suggested solution:

1, hard faults such as leakage do not start, and the power switch is tripped after power-on.

2. If it doesn't rotate after being electrified, please replace the starter with the thermal protection turned off. If it doesn't work again, the compressor will be broken.

3. If the internal high-pressure air leakage is caused by a soft fault, the inspection step is to cut the pipeline and open it, and try to block the high-pressure exhaust port by hand until it can't be blocked, otherwise it is bad.

4. The refrigerator compressor sucks in low-temperature and low-pressure refrigerant from the evaporator, and drives the piston to compress the refrigerant through the operation of the motor during work, and then sends the refrigerant to the refrigerator condenser through the conveying pipeline, thus providing sufficient power for the refrigeration system circulation of the refrigerator, and finally forming the refrigerant into high-temperature and high-pressure gas from the compressor. After that, it becomes a high-pressure low-temperature liquid through a condenser, a low-temperature low-pressure liquid through a capillary, and a saturated low-temperature low-pressure steam after absorbing heat from the surrounding medium in an isobaric evaporator.