The characteristics of refrigerant R410A and matters needing attention, A)

r410a refrigerant believe everyone through introducing the before to have a certain understanding, small make up today is mainly to introduce the characteristics of refrigerant R410A and matters needing attention, want to know friends following the introduction of small make up have a look at the following article. 1 is higher than that of R22, R410A refrigerant pressure about 1. About 6 times. When installing a R410A refrigerant air conditioning, using R410A special tools and materials. 2, mixed with the non-condensable gas such as air, will lead to abnormal high pressure refrigerant circulation pipeline, the circulation line is the main cause of fracture, crack. 3, when installing a yituo more air conditioning, due to the volume of the refrigerant sealed more, especially in the small room for installation, even one thousand refrigerant leakage occurs, its concentration cannot exceed the specified value. Otherwise, will cause the phenomenon of hypoxia. 4, in the use of R410A refrigerant in household air conditioner, cannot use the refrigerant R410A. In using R22 refrigerant air conditioner, also cannot use R410A refrigerant. 5, because is a kind of approximate azeotropic mixture refrigerant R410A, when add refrigerant, using liquid way add. （ When using gas way to add refrigerant composition change, lead to changes in the characteristics of air conditioning also. ） 6, the copper pipe wall thickness, to comply with the copper piping design code 'regulation, according to the requirements of the following allows the use of copper pipe wall thickness, choose R410A for wall thickness of 0. 7 mm brass and copper aluminum tube, cannot use! Seven, refrigerant leakage, if you can make sure the remaining refrigerant mixed with no condensate gas, liquid filling can be directly. The same set of machine this method can only be used three times. 8, R410A refrigerant air conditioner installation emptying requirements ( New refrigerant air conditioning installation, emptying, or air in the system will react with frozen oil, frozen oil properties) 。 High pressure valve normally closed, vacuum time to achieve more than 10 minutes, guarantee the pressure reading is below - 0. 1 mpa or - 76 cmhg。 Above introduction about the R410A refrigerant to the over here, hope to be able to bring you some help, if you have a demand on refrigerant R410A, welcome consultation discussion with us.

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