Chigo Air Conditioning Service Center-Chigo split air conditioner maintenance test
Thermometer tests the temperature difference between the inlet and outlet of an air-conditioned indoor unit
When the air conditioner is in cooling operation, when the refrigeration compressor is started for 15 minutes, the temperature difference between the inlet and outlet airflow is higher than 80 ℃ (the ambient temperature in summer is lower than 350 ℃); during the heating in winter (the external ambient temperature is higher than 70 ℃) ) After running the compressor for 15 minutes, if the temperature difference between the inlet and outlet airflow reaches 140 ° C or higher, the cooling and heating effect of the air conditioner is good.
2. Use clamp ammeter to measure the working current of air conditioner during operation
When the current value is close to the rated current value, it means that the air conditioner is working normally. If the measured operating current value is much larger than the rated current value, it indicates that the air conditioner has failed and is in an overload state; if the measured operating current value is far below this value, the rated current value indicates that the compressor is in a light load state and the refrigeration is A severe leak of refrigerant in the system.
Three-use pressure gauge to test the working pressure of air-conditioning refrigeration system
When the operating pressure of the indoor unit during the cooling operation is about 0.4 MPa to 0.5 MPa, it is normal for the operating unit pressure of the indoor unit to be about 1.5 MPa to 2.1 MPa when heating. If the pressure deviates too much from these two values, the air conditioner does not work properly.
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