404a Freezer Pressure Chart

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404a Freezer Pressure Chart

Available in the following sizes. Pressure-Temp Chart. -40. -35. -30. -25. -20. -15. -10. -5. 0. 5. 10. 15. 20. 25. 30. 35. 40. 45. 50. 55. 60. 65. 70. 75. 80. 85. 90. 95.
Thread: Normal Freezer Pressures. Navigation … I just wanted to know what are normal pressures for freezers. Its 404 … Dont have the guagues for 404A… I know i …. Got my P/T chart here and 13 psig. is 11.77*F Yep not a .
Most freezers run about a minus 10 evap to get a 0 degree box. So look for a low … That, on a P/T chart converts to about 253 psi. Those are .
TEMPERATURE PRESSURE CHART – at sea level. To determine subcooling for R-404A use BUBBLE POINT values (Temperatures above 50°F — Gray .
What should I be looking for pressure wise? Pt chart says 25psi for -10f temps, is that what I’m shooting for? How about high side? Rule of thumb ambient plus .
(○F) Liquid Vapor (○C). (○F) Liquid Vapor (○C). (○F) Liquid Vapor (○C). -49. 0.9. 0.3. -45.0. 1. 34.7. 33.6. -17.2. 51. 107.2 105.6. 10.6. 101. 240.2 238.1. 38.3.
Have not worked with 404A before and I’d like to know what the normal range of operating pressures would be for a cooler at 34 … to his 34 degree indoor and 80 degrees outdoor does not correlate 63/290 on the PT Chart?
R134A runs at 0psi on the low side and 404A runs at 55psi. Doesn’t matter what machine you have, that’s the pressure they should be running .

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