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pressure

  1. Residential HVAC Forum
    Hi I have a Bryant 598anx048, in a home thats being renovated. I understand this is a 2-speed TXV R-22 system. After operating for about 1-2 hours on the second stage the unit kicks off, the diagnostic led flashes 5 times with a pause to indicate a high/low pressure problem. Attaching some...
  2. General HVAC Discussion
    I installed a new 410a complete system with new Orfice coil and new lineset. 70 degrees on install date and initial start up. Suction pressure was 110 and high side of 280. It ran for about 15 minutes. I added a little freon and the high side shot up to 425. I immediately thought I had a...
  3. General HVAC Discussion
    Hi, I'm a newbie here, but not to the trade, after 25 years in HVAC in different places around the world I find myself now managing a high rise in Houston TX. now those with there fingers on the pursestrings, in an attempt to save on power wish to control building pressure using VFD's on the...
  4. General HVAC Discussion
    Sorry moderator, clean up in isle 1.
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