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Installing the Refrigerant Pipe Work (Continued)
Keeping Refrigerant Pipe Clean and Dry
To prevent foreign materials or water from entering the pipe, it is important to
keep the refrigerant pipe and to seal it while installing.
Brazing the Pipe
Make sure that there is no moisture inside the pipe.
Make sure that there are no foreign materials and impurities in the pipe.
Replacement of Nitrogen gas
1
Use Nitrogen gas when brazing the pipes as shown in the picture.
2
If you don’t use Nitrogen gas when brazing the pipes, oxide may form in the
pipe. It can cause the damage of the compressor, valves.
3
Adjust the flow rate of the replacement with a pressure regulator to maintain
0.05m
3
/h or less.
4
Perform brazing of the service valve after protecting the valve.
Brazing part
Nitrogen gas
1/4" copper pipe
Stop valve
Taping
Pressure regulator
RVXMHF04E0A_E_IM_24820.indd 21
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Summary of Contents for RVXMHF040ESeries
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