R-32, A REPLACEMENT FOR R410A.
R-32 has become the global de facto to replace R-410A.
MULTICOOL-HC32 is a high purity mixture of propane R290 and R170 ethane. It is a refrigerant with a reduced global warming potential (GWP). It is designed to replace R410a and R32 in most stationary residential and commercial air conditioning systems.
R32 systems use up to 20% less refrigerant than R410A, making them more efficient and cost less to operate. Ozone Depletion Potential of 0.
R32 is a HFC refrigerant, used as a replacement for R410A in low temperature refrigeration and air-conditioning applications. This refrigerant is a preferred replacement for R410A in new equipment.
Relatively, R32 has very low GWP compared to R22, and therefore leading R32 to be a potential substitute for R22.
The test results conclude that the blend R134a/R32 at a mass fraction of 85/15 can be a drop-in replacement for R134a refrigerant.
Changes to the Dangerous Goods Legislation, effective in 2021, has new categories for A2L refrigerants. R32 is a synthetic greenhouse gas. If released to the atmosphere it can contribute to climate change. R32 is a flammable refrigerant.
No. R32 is not suitable as a drop-in replacement for R410A and must only be used in systems specifically designed for R32.
R-410A PHASE-DOWN TIMELINE
We will reach a 70% decrease by 2029. In 2034, we will see 80% less R-410A being produced than it is today, and the phase-down will end in 2036 with another 5% reduction.
R32 has a higher compressor discharge temperature than R410A, and will increase wear on the compressor, reducing its life significantly. Should any problem arise from a system change such as this, any liability would rest ENTIRELY with the person who carried out the change.
ComStar's RS-53 (R470A) is the world's only drop-in retrofit replacement for existing R410a systems.
Disadvantages:Different from R22 and R410A, the R32 is slightly flammable. But combustion will not occur unless three critical conditions are met, refrigerant concentration, constant oxygen, and an ignition source. In real practice, it's hard to meet all the combustion conditions.
I am probably the only one answering so far who has owned a R32-R34 skyline in the US. (Mine was a R32 GT-R). the simple answer was that the vehicle was not build to meet US safety and emissions standards. Every car is "illegal" until it's gone through US crash testing, emissions certification, and review.
The Takeaway. In most cases, R32 is the superior refrigerant when compared to R410A. While neither refrigerant depletes the ozone layer, R32 has a lower GWP and is easier to recycle. R32 also has lower operating and maintenance costs and is nowadays more common than R410A due to the phase-out.
The replacements for R-410A are the two A2Ls, Forane® R-32 and R-454B. Forane® R-32 can be used in new equipment designed specifically for mildly flammable refrigerants as a replacement for R-410A equipment. Its low density allows for the use of a smaller refrigerant charge.
A primary alternative to R32 is R290, commonly known as propane, an A3 highly flammable refrigerant with an ultra-low GWP of 0.02.
You will, of course, need to ensure that any equipment you use includes an R32 compliant recovery unit, an R32 specific vacuum pump, a torque wrench set to the manufacturer's recommendations on your flare joints and for pipework, stick to material that is R410A rated, as this also suitable for R32.
To install a system that utilises R32 refrigerant, dedicated tools and piping that have been manufactured specifically for R32(R410A) should be used. The pressure of R32 refrigerant is approximately 1.6 times higher than R22.
In the first half of 2024 we'll phase out our R-410A dedicated models and introduce -01 refrigerant versatile models, compatible with both R-410A and R-454B refrigerants.
AC units manufactured since 2010 use R410A, and more recently, R32 refrigerants, both are virtually odourless. This means that a smell of rotten eggs is unlikely to be the smell of leaking refrigerant coming from your air conditioner itself.
The Ozone Depletion Potential is almost zero, and the Global Warming Potential is as low as 675. It doesn't harm the ozone layer like R22 gas. R32 in a refrigerant also provides better and faster cooling. It has energy efficiency properties that will help you reduce your AC bill by around 10%.
R410A systems are not built to handle flammable substances like R32, so treating R32 like an R410A replacement can have dangerous consequences for you, your home and your HVAC technician.
2, the pressure when the condensation temperature is 65 ° C. or higher is It can be seen that it is necessary to mix R134a (or R1234yf) with R32 in an amount of 10 wt% or more in order to suppress the pressure to less than the desired design pressure (4.15 MPa).
The same two refrigerants and 19 others are being listed as unacceptable in new cold storage warehouses from January 1, 2023. The banning of R134a, along with 27 other refrigerants, in new domestic refrigerators and freezers from January 1, 2021, is expected to open the way for the use of hydrocarbon refrigerants.