Refrigerant No. Name Boiling point at atmospheric pressure 14.7 psia, 1 bar abs (oF)
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R-114 1,2-dichloro-1,1,2,2-tetrafluoroethane 38.4
R-115 Chloropentafluoroethane -38.0
R-116 Hexafluoroethane -108.8
What makes refrigerant boil?
As shown earlier, when air that is 75 degrees F passes over the 40 degree F coil, heat will move into the 40 degree F refrigerant, which reduces the temperature of the air and boils the refrigerant.2 nov 2003
What is the temperature of refrigerant?
As its name implies, refrigerant in the evaporator "evaporates". Upon entering the evaporator, the liquid refrigerant's temperature is between 40° and 50°F; and without changing its temperature; it absorbs heat as it changes state from a liquid to a vapor.
Because R-22a is flammable, it can burn or explode if there is enough product concentrated in one space and the refrigerant comes in contact with an ignition source.3 may 2021
Is Freon refrigerant flammable?
Freon® based air conditioners cannot explode as the Freon® is not combustible but some older air conditioners may use a refrigerant like propane instead of Freon®. If they use a flammable refrigerant like propane then it is possible that the air conditioner could explode on contact with flames or sparks.
Is R22 refrigerant hazardous?
Mist may irritate. INHALATION: R-22 is low in acute toxicity in animals. When oxygen levels in air are reduced to 12-14% by displacement, symptoms of asphyxiation, loss of coordination, increased pulse rate and deeper respiration will occur. At high levels, cardiac arrhythmia may occur.
Is Freon a hazardous material?
Decomposition products are hazardous. "FREON" 22 can be decomposed by high temperatures (open flames, glowing metal surfaces, etc.) forming hydrochloric and hydrofluoric acids, and possibly carbonyl halides. These materials are toxic and irritating.
How cold can R22 get?
R22 is particularly interesting as it evaporates at -42°C at atmospheric pressure (compared with 100°C for water, 35°C for ether or 300°C for cooking oil). Because of its low evaporating temperature, R22 allows us to obtain a temperature of less than 0°C quite easily in the freezer of our fridge.
Which is colder R22 or 410a?
The lower critical temperature of R410A versus that of R22 (70.1 °C (158.1 °F) vs. ... The R22 system cooling capacity decreased by 14 % at an outdoor temperature of 51.7 °C (125.0 °F). The R410A system cooling capacity decreased nonlinearly by 22 % at the same condition.
How cold can AC refrigerant get?
A residential AC can lower the indoor temperature a max of 20°F. The heat transfer capacity of an air conditioner can remove enough heat from a house to drop the temperature by 20°F.23 sept 2019