This language version is being prepared. The content below is the original Chinese text.

TECHNICAL NOTES

Installation, Commissioning & O&M

Installation, evacuation, commissioning, troubleshooting and maintenance.

以三类故障现象为起点建立故障树，覆盖压缩机、油路、分凝效率、配比漂移、冰堵脏堵、膨胀元件与电控信号，给出先易后难的排查顺序与每步判据。

按就位、管路、压力试验、干燥抽真空、充注、首次开机与稳态验收七个阶段给出检查清单，每项附合格判据与常见误操作，供现场调试逐条核对。