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ServiceManual_2018-V1.0
37
3
High pressure
nitrogen with
piezometer
pipe and cooling
system(condenser, evaporator,
etc) impurities clean
4
Quick coupling
Connection process pipeline,
vacuum
or charge refrigerant will be used.
5
Soldering gun
heating and welding
6
hand leak detector
welding point leakage detect, if
no, use soap-suds
Material
No.
Name
Main Usage
Photo
1
Process pipeline
Charge the refrigerant
2
Dry filter
Involving a sy
stem failure to be
replaced
3
Copper welding rod
Copper-Copper tubes welding
4
Silver solder(
>
25%Ag)
Not Copper-Copper tubes
welding
5
Refrigerant/gas
Add refrigerant to the system