What Should We Do If the Refrigeration Compressor is Suspected of Burning out?

Refrigeration compressor suspected of burning in three cases to deal with: compressor motor is not burned, the current is normal, only the noise.

These three situations correspond to three treatment methods, respectively, as follows.

(1) refrigeration compressor motor is not burned, the current is normal, only the noise is large. (mechanical aspects of the problem) In this case, its oil does not stink, only pollution into powder gray, sunk in the compressor inside, the system tube within the pollution is not obvious. The original dryer will be removed, as far as possible with nitrogen, (pressure of at least 7KG/CM2 above) from the high pressure end of the blowing clean high pressure end of the pipeline, as well as segmentation blowing clean liquid tube, low pressure end of the parts, and now check the blowing out of the material is oil, or dirt, or moisture or other foreign, foreign substances. After replacing the new compressor, install the new dryer and add nitrogen pressure to 10KG/CM2 to detect the leakage, and when there is no leakage, the remaining nitrogen is discharged to the atmosphere by the filling valve at the high pressure end. Pump vacuum from high and low pressure end at the same time to at least 1000Microns. Add the liquid refrigerant from the liquid pipe part, after reaching 80%~90% of the refrigerant volume, then the machine can be turned on for testing. (The compressor must be warmed up for 2 hours)

(2) refrigeration compressor motor is not burned, can run, mechanical good, but the current is large and overload, easy to jump off. In this case, the oil has a slightly burnt smell, discoloration, the system pipeline is still clean, but the metal surface has been acidified system, copper tube wall becomes red. After replacing the new compressor, install a new dryer, and add nitrogen pressure to 10KG/CM2 to detect leakage, no leakage, the remaining nitrogen from the high pressure end of the angle valve to the atmosphere. By the high and low pressure end simultaneously evacuate the vacuum at least to 1000Microns. Add the liquid refrigerant from the liquid pipe part, after reaching 80%~90% of the refrigerant volume, then the machine can be turned on for testing. (The compressor must be warmed up for 2 hours) This situation must pay attention to: the stability of the customer's original power supply and the possible load is too big problem, or the result of stopping the control too often, if not solve these, the danger has always existed, or can not be completely solved.

(3) refrigeration compressor motor has been burned, can not run, mechanical good or bad do not know.