Gree U-MATCH GUHD09NK3CO - Page 190

A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE
187
14. Assemble the
electric box cover
●Assemble the electric
box cover to correct
position
● Use screwdriver to fix
the cover onto electric
box.
Removal and Installation of Electronic Expansion Valve
Remark : Before removing the compressor, make sure that there is no refrigerant inside the pipe system and
that the power has been cut off.
Step Illustration Handling Instruction
1.拆除电子膨胀阀线
圈
用手松动电子膨胀阀
线圈
2.移开电子膨胀阀线
圈
将电子膨胀阀线圈从
电子膨胀阀上去下、
移开
3 拆除电子膨胀阀
A．用气焊加热电子膨胀
阀两端连接管路后拔离电
子膨胀阀组件
B．焊接时要充氮保护，
氮气压力为 0.5±0.1kgf/c
㎡（相对压力）
C．加热时注意，以防周
围物料因高温烧毁