变频多联机系统调试中的一些典型问题及解决思路

Analysis and Solution to the Typical Issues in Debugging of VRV System

分析变频多联机系统调试中常见的一些典型问题,如操作阀未打开、室内机电子膨胀阀工作异常、冷媒系统中混入氮气以及冷媒过多或过少等;讨论了这些典型问题的判断方法及其解决思路,以期对一线安装维修人员有所帮助。

The typical issues in debugging VRV system are expounded, including operation value is not open, the unconventionality of EEV of indoor unit, N2 is mixed in refrigerator system, the refrigerator volume is enough or too little. With several engineering examples, the working data of VRV system are provided as solution for typical problems in debugging VRV system, and as suggestion to technician in HVA C industry.