The fridge add R600a steps and methods of the refrigerant

R600A refrigerant system not refrigeration freezer, want to find someone to repair, curious to ask the maintenance man, later will add the methods and steps of refrigerant R600A compiled, there are so many steps in detail:

1. Separated by piping, fitting of copper pipe, general compressor around low pressure pipe and copper pipe connection, then copper pipe welding, good at the outlet set of copper after the child. Again good bell mouth. 。

2, good connection line and the vacuum pump, check and no leakage in the pipeline, vacuum first, then into 2 mpa nitrogen pressure 2 - For three days. Leak detection, if three days later, the pressure did not change, you can add r600a. Refrigerants. （ Teacher told me that he is commonly used ek sheng R600a freon)

3。 Open the valve, put off the nitrogen, when the pressure of 0, start the vacuum pump, vacuum to - 0. 1 mpa, then switch off the vacuum pump. Put a bottle opener on the bottle of refrigerant r600a, good connection with fluid tube and pressure gauge,

4. The freon r600a prick with a bottle opener, letting off a little r600a refrigerants, to rinse the inside of the line a little air, remaining open

electronic scale, put refrigerant r600a on electronic scale, weight, and write it down, keep in mind that this position at this time, don't move, start the fridge, began to add fluoride, general refrigerator r600a refrigerant filling quantity at about 50 grams, started using liquid filling, can put the freon r600a bottle upside down, to more than 30 grams, after return to tag, slowly with gas filling, aware of electronic scale, according to the explanatory notes to the 3 - more than nominal value 5 g can stop, turn off the valve, sealing pliers, 5 - from the low pressure pipe 10 cm of the copper pipe wrench flat, then use the pipe cutter cut out. Can put the refrigerator power at this moment, stop running.

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