May 8, 2012 · R404 is a better A/C refrigerant because of the lower temps but works like R410 in heating. The discharge temps are lower than the normal for what an R22 system would see. …

Jun 6, 2014 · yeah, That's why I'm throwing this out there. I was thinking maybe with the low temp. that a swing to the minimum 3 deg. S.H. might be o.k.

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Jul 6, 2021 · I’m n ac guy trying to help a buddy with walk in with r404. Can only get 20 degrees super heat liquid temp 112. 305 psi. Suc 50 psi. This is a new start up Txv is open all the way. …

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Sep 21, 2015 · To get a good idea of what to expect in capacity difference when using different refrigerants in the specific condensing unit, I have copied a section of the condensed capacity …

Nov 17, 2006 · First time using and installing a freezer split system with 404A. Can some one tell me LP,HP settings. Box is using a LL Soleniod for pump down operation with stat.System is …

Jun 24, 2011 · i am dealing with a walk in freezer temp is 40 degree in box no lower sight glass is clear running 20psi on suction and 325psi on head pressure evap sh is 56 100 degree …

Jul 2, 2007 · compressor is a 3RA1-0310-TAC AT 20/120 33300 BTU listed with r502, COMPARED TO 25800 BTU WITH R22. THE DELI CASES REQUIRE 26000 BTU.