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High pressure
3
nitrogen with
piezometer
4
Quick coupling
5
Soldering gun
6
hand leak detector
Material
No.
Name
1
Process pipeline
2
Dry filter
3
Copper welding rod
Silver solder(＞
4
25%Ag)
5
Refrigerant/gas
pipe and cooling
system(condenser, evaporator,
etc) impurities clean
Connection process pipeline,
vacuum
or charge refrigerant will be used.
heating and welding
welding point leakage detect, if
no, use soap-suds
Main Usage
Charge the refrigerant
system failure to be
Involving a
replaced
Copper-Copper tubes welding
Not Copper-Copper tubes
welding
Add refrigerant to the system
38
Service Manual_2018-V1.0
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