Normal 404a Freezer Pressures

Posted on

Normal 404a Freezer Pressures

Thread: Normal Freezer Pressures … I just wanted to know what are normal pressures for freezers. Its 404 … Dont have the guagues for 404A.
30 suction pressure is definitely a bit high. It should be running at 10-20psig (10 is ideal) on the suction side if working properly. And the high …
Normal operating pressures will change as the freezer reaches the selected temperatures on the inside. Normals of minus 14 degrees on the …
Physical Properties of Refrigerants. Environmental Classification. Molecular Weight. Boiling Point (1 atm, ˚F). Critical Pressure (psia). Critical Temperature (˚F).
R404A Pressure Temperature Chart. 14. 9.28. 8.27. 119.92. 9.16. 8.15. 118.19. 16. 9.82. 8.81. 127.74. 9.70. 8.69. 125.97. 18. 10.39. 9.37. 135.89. 10.26. 9.25.
what to look for. I am a residential … R404A runs similar pressures to R22 which you’re probably more familiar working with in the US.
need some help here. i have a 404 freezer walk in box that is giving me trouble. … up. when the fan kicks in pressures rise to 25/270 psig. while operating, … gets snowy and the rest of the coil is dry of snow and seems normal.
this freezer was running at 20 degrees Allied Refrigeration 440-823-5720.
When the cylinder pressure is less than the suction-line pressure the suction reed valve bends … have very high discharge temperatures even under normal conditions. … To illustrate, assume an R404A reach-in freezer operates at a 0°F box …

Leave a Reply

Your email address will not be published. Required fields are marked *