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compressors r404 and r134a

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skydiver1954

Industrial
Joined
Apr 21, 2016
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2
Location
US
can a r404 compressor use r134a gas in running a high temp cooler. I have a r404 compressor and would like to swap out to a new r404 compressor. will the r404 compressor work with the r134a gas?
 
R 134a refrigerant is low efficiency compare to r404a refrigerant. You cannot attain the cooling load by using 134a instead of r404a.
 

You need to consider the pressures the refrigerant operates under and possibly upgrade the components and possibly piping and also TXV....
 
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