1、为了保证机器处于被正常润滑的状态，我们必须要注意保证制冷压缩机里面的润滑油不能低于视油镜油位的三分之一

1, in order to ensure that the machine is in the normal lubrication state, we must pay attention to ensure that the lubricating oil in the refrigerating compressor can't be lower than the oil level of the oil mirror 1/3.

2、要随时留意制冷压缩机的排气温度，根据具体的制冷剂然后依据对应的压力表来衡量，比如：常用的R22制冷剂其排气温度就不得高于145摄氏度

2, pay attention to the exhaust temperature of refrigerating compressor at any time. According to the specific refrigerant and then according to the corresponding pressure gauge, for example, the exhaust temperature of the commonly used R22 refrigerant should not exceed 145 degrees Celsius.

3、整个制冷系统的的吸气温度相对于蒸发温度而言必须要高出来5至15摄氏度。

3. The suction temperature of the whole refrigeration system must be 5 to 15 degrees Celsius higher than the evaporation temperature.

4、一般情况下吸气温度和库温相差0-5摄氏度是很正常的;

4, general suction temperature and temperature difference of 0-5 degrees Celsius is normal;

5、一个正常的制冷系统必须要保证油分离器能够自动的正常回油;

5. A normal refrigeration system must ensure that the oil separator can automatically return the oil automatically.

6、正常系统的油温应该保持在40摄氏度到60摄氏度之间，如果在系统不能自我保证的情况下，则需要配备相应的曲轴加热器;

6, the normal system oil temperature should be kept between 40 degrees Celsius and 60 degrees Celsius. If the system can't guarantee itself, it needs to have the corresponding crankshaft heater.

7、制冷压缩机的的油压一定要比吸气压力高出来0.15MP到0.3MP之间

7. The oil pressure of the refrigeration compressor must be higher than the suction pressure between 0.15MP and 0.3MP

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