The installation of the refrigeration system of refrigerant R410A considerations

small make up today for everyone to introduce r410a refrigerant refrigeration system installation considerations, want to know friends following the introduction of small make up have a look at the following article.

( 1) High pressure of refrigerating system are as follows: 3. 0 mp, low pressure as follows: 1. 2MP。 ( In the same situation for R22 1. 5 times)

( 2) R410A refrigerant fission when installation, connecting pipe is used in special tube R410A, emptying, with R410A refrigerant emptying, shall not be used and R22 air conditioning connecting pipe and confused refrigerants, otherwise will affect the stability of the use of air conditioning.

( 3) Because of R410A refrigerant compressor used in the fission machine with POE oil lubrication, POE oil and water, formation water and acid, and the generated water can cause POE oil reaction further, if the chain reaction down for a long time, the moisture inside the system will be more and more, could make the ice blocking occur capillary; At the same time system circulation within the working medium acid will be more and more high, PH lower) , could lead to corrosion in the system components, and produced copper plating. Therefore, when installed, the movement wants quickly, after open the connection pipe plug, must within five minutes to tighten the nut, emptying time. When installed, it is forbidden to sweat drip into the connecting tube; It is strictly prohibited to other insoluble impurities mixed with the system. And when installing a R410A refrigerant fission machine, on sunny days, rainy days, may be undertaken when humidity is big, also may be undertaken.

( 4) The chloride ion can react and R410A refrigerant and POE oil, acid corrosion parts of cooling system. Therefore, when installation shall not be mixed with chloride within the system. Such as drip into the sweat, and other impurities containing chloride ion.

( 5) During maintenance, as long as it is cut open refrigeration system, for whatever reason, all change the filter drier. Cut open after the refrigeration system, encase with something break open immediately, in order to prevent moisture from the air into the system. The time in the refrigeration system is exposed to the air shall not be more than five minutes.

( 6) When change the filter drier, open at both ends of the filter drier after the closing plug, welding in five minutes into the system so as to isolate air as soon as possible, otherwise will affect the performance of the filter drier.

( 7) When maintenance after the completion of vacuum, the vacuum pump shall be used by special vacuum pump, the application of lipid oil, lubricating oil pump and the pump shall not be used to using R22 air conditioner to pumping air into vacuum state, otherwise it will cause mixed refrigerant pollution, which affects the performance of the air conditioning. Vacuum time in more than 25 minutes. Otherwise the moisture inside the system would be on the high side, it will affect the use of air conditioning stability.

( 8) In maintenance, if need to replace parts, using R410A refrigerant special parts, shall not be mixed and R22, otherwise it will affect the stability of the air conditioning.

( 9) R410A refrigerant should be stored in under 30 ° C environment, if the above 30 ° C, in the environment under 30 ° C environment should only be used for more than 24 hours, or cold media group branch change, impact on the performance of air conditioning.

have hung nR410A refrigerants first close above introduced over here, hope to be able to bring you some help, if you have a demand on refrigerant, welcome consultation discussion with us.

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