Gree U-MATCH GUHD09NK3CO Service Manual page 162

A/a dc inverter air conditioners t1/r410a/50hz
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A/A DC INVERTER U-MATCH AIR CONDITIONERS
2 Remove the
electric
expand valve fitting
3 Disassemble
electric
expansion valve
4 移开电子膨胀阀
5 移上新的电子膨胀阀
组件与系统管路相连
MAINTENANCE
将电子膨胀阀线圈从电子
膨胀阀上去下、移开
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
将旧的电子膨胀阀组件移
A.用气焊焊接电子膨胀
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
159

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