Quote:
Originally Posted by jeff5may
Yes, R410a compressors can run R-290 but you lose capacity. The metering device has to be messed with as well. This has been discussed before here. R-134a can be used as well.
|
What about the oil in R410 systems? Do I need to flush and change to mineral based oil?
I am interested in a specific R410 unit. I have two already and the dimensions are perfect. Otherwise I would look for an R22 unit. In any case I would scrap the cap tube and use a TXV.