The air conditioner compressor is the heart of the air conditioner. Once the air conditioner encounters the compressor fault during the operation, the air conditioner can not operate normally. This requires timely maintenance. How to repair the air conditioner compressor? The following decoration home decoration network Xiaobian will bring you the air conditioner compressor repair price and method, I hope to help everyone.
How to repair air conditioner compressor?
Air conditioning compressor repair method:
1. Wooden hammer tapping method: tilt the front, rear, left and right sides of the air conditioner by 45 °, then turn on the machine, and knock the lower half of the air conditioner compressor with a wooden hammer to make the internal parts of the air conditioner compressor vibrate and operate. stand up. The air conditioner of the new device presents that the air conditioner compressor does not start to malfunction, and the most air conditioner may be placed for a long time, so that the piston assembly is stationary for a long period of time. In addition, the viscosity of the frozen oil in winter is thicker, which is also a cause. The hammer can be used to remove the fault.
2 , air pressure shock method: test socket voltage is normal, open the outdoor unit casing, measure the compressor capacitor charge and discharge good, measure the overheated overcurrent maintainer is good, measure the air conditioner compressor main winding plus the secondary winding resistance value is equal to the common terminal value. The above four methods are not effective, and finally the air pressure method is adopted. Firstly, the refrigerant should be discharged, and the high-pressure and low-pressure pipes of the air-conditioner compressor should be welded by gas welding, and a copper tube with a length of 1.5 m and a diameter of 10 mm can be welded to the high-pressure outlet pipe of the air-conditioner compressor. The other end is connected with the nitrogen cylinder decompression outlet with a nano- submerged, and a reaction force of 0.1 MPa is applied to the inner part of the air-conditioner compressor with nitrogen gas , so that the holding shaft mechanism is loosened. Exhaust for 5 minutes at the low pressure suction port , and then test the machine with a strong method. The air-conditioner compressor is easy to start running. After the air-conditioner compressor is running normally, the current is 4.3 amps, and then the high-pressure and low-pressure pipes are welded, finally pressed, leak- detected , evacuated, fluorinated, and the air-conditioner compressor returns to normal.
3 , smooth method: unpacking the outdoor unit casing, measuring the normal parameters, using the above five methods are not effective, and finally had to remove the air conditioner compressor, pour out the oil in the air conditioner compressor is black and red, and then compress from the air conditioner The high-pressure outlet and the low-pressure suction port are filled with kerosene and then poured out repeatedly for 4 times. The purpose is to wash out the varnish and copper oxide scale in the air-conditioner compressor. After cleaning and cleaning with kerosene in the air-conditioner compressor, Then put the air conditioner compressor upside down for 12 hours, control the kerosene remaining in the air conditioner compressor, and volatilize the kerosene, then add the No. 25 refrigerating oil, the beginning can add a little more. After the oil is added, the air conditioner compressor is lifted. The hard ground pier 2-3 is under the vibration of the air-conditioner compressor to assist the start. Then use the capacitor start method to connect the three terminal lines of the air conditioner compressor. The air conditioner compressor is easy to start running, let the air conditioner compressor run for 1 hour, discharge the excess oil in the air conditioner compressor, and use the air conditioner in the air conditioner compressor. The heat of the compressor itself evaporates, and the current is measured by an ammeter to be 4.4a . Finally, the air conditioner compressor is re- assembled , the high pressure and low pressure welding ports are welded, pressure test, leak detection, evacuation, and fluorine addition, and the air conditioner compressor returns to normal.
4 , pressure relief method: measuring the air conditioner compressor winding resistance is normal. The above three-method air conditioner compressor can still not operate. Finally, the refrigerant is discharged from the low-pressure gas sub-unit of the outdoor unit, and then the water is turned on and the lower half of the air-conditioner compressor is re-operated with the water hammer, and the air-conditioner compressor runs rapidly. At this time, 200 ml of refrigerating oil can be sucked from the low-pressure gas and fluoride . After the air-conditioner compressor is running normally, the low-pressure gas is intercepted and the low-pressure liquid is intercepted. Finally, the pressure, leak test, evacuation, fluorine addition, air conditioning The compressor returned to normal.
5 , strong method: use a 220v10a plug. Three lengths of 1.5 meters and a section of 1.5 square millimeters of wire are used as an opening tool. The plug N terminal line is connected to the common end C of the air conditioner compressor , the L terminal of the plug L , the M terminal of the air conditioner compressor , and the other. The root line is suspended. When the air conditioner compressor is energized, it is empty. This line quietly touches the start terminal S of the compressor, and the air conditioner compressor starts. After the air conditioner compressor is started, quickly remove the line that touches and pay attention to safety. When the operation is stopped, first dial the power plug, then disconnect the cable, and then connect the air conditioner compressor cable. The test machine air conditioner returned to normal.
6. Capacitor starting method: measure the power supply normally, open the outdoor unit casing, measure the starting capacitance of the air conditioner compressor, charge and discharge well, measure the three terminals of the air conditioner compressor, and the resistance of the main winding M plus the secondary winding S is equal to the common terminal resistance. The value C , using the wooden hammer tapping method and the strong lifting method are not effective. Finally, the increased capacitance starting method is adopted, and the air conditioner compressor is easily started. Capacitor start method is a method in a strong foundation from which the S pole terminal line a string of 70 μ F capacitor. After starting this string, the starting torque of the air conditioner compressor can be increased by 5% . However, after the air conditioner compressor is started, the running time should not be too long. Since the starting end of the air conditioner compressor increases the capacitance, the air conditioner compression timing is overheated, and the starting coil is easy to burn.
Air conditioner compressor repair price:
General air conditioning compressor maintenance costs are around 300-400 , but also according to different brands of air conditioning, compressors are not the same, the price will have a certain difference. Some compressors have to be thousands of pieces, and the repair price is about 1300 or so at least . This is not worth repairing. It is better to replace the new ones if the compressors are repaired. If the scrap iron is estimated to be worth more than 300 yuan, The above prices are from the internet and are for reference only. The specific price is subject to purchase.
The air conditioner compressor repair price is 1.5 air conditioners. The first is that the original compressor belt replacement price is around 1200 to 1500 (compressor, replacement salary, vacuum + refrigerant price), and the second is the store maintenance point. The new compressor of the factory (warranty period is one year) replacement price is around 1000 , and there is a replacement compressor of about 700 used.
The above is how the air conditioner compressor is repaired by Xiaobian. Air conditioner compressor repair price, I believe that everyone has a basic understanding of the air conditioner compressor repair price after reading this article, if you want to know more about decoration consultation, please click to enter the decoration knowledge channel .
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