What are the "air conditioning conditions" and "standard conditions" in refrigeration?

The refrigeration of air conditioner is realized under certain conditions, and the refrigeration capacity is different under different environmental conditions. The environmental conditions used to measure the refrigeration capacity of air conditioners are called air conditioning refrigeration conditions.

2. Standard working conditions

The manufacturer explained that the cooling capacity of the fan coil is given under the following working conditions: the water supply temperature is 7℃, and the backwater temperature is12℃; The initial state of the treated air: dry bulb temperature is 27℃, and wet bulb temperature is 65438 09.5℃. The above-mentioned working conditions are considered to be the unified data for providing cooling capacity of fan coil units for various manufacturers, which is called standard working conditions.

Normal working conditions in the operation of refrigeration system

1, the suction temperature of the compressor should be 5-15℃ higher than the evaporation temperature;

2. The exhaust temperature of compressor R22 system shall not exceed150℃;

3. The highest oil temperature in the compressor crankcase shall not exceed 70℃;

4. The suction pressure of the compressor should correspond to the evaporation pressure;

5. The exhaust pressure of compressor R22 system shall not exceed 65438 0.8mpa; ;

6. The oil pressure of the compressor is 0.12-0.3 MPa higher than the suction pressure;

7, often pay attention to the cooling water and water temperature, the condenser outlet temperature should be 2-5℃ higher than the inlet temperature;

8. Always pay attention to the oil level in the compressor crankcase and the oil return of the oil separator;

9, compressor should not have any knock, the various parts of the body fever should be normal;

10, and the condensation pressure shall not exceed the compressor discharge pressure range.