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  1. Residential HVAC Forum
    Got a residential a/c at work having trouble with its a couple yrs old 410 unit. It's running low pressures 90/240, 10 degrees SH at evap outlet, 6 degrees subcooling, clean air filter no returns blocked(lots of return grills), fan in high speed, clean coils, recovered and weighed charge was...
    charge low pressures
  2. Residential HVAC Forum
    Have a Bryant HP unit that is pulling itself down to almost a 5 psig both on the Head side along with the suction side. At this time low pressure cut out shuts unit off. Not sure where to Go!!!!
    head low suction/
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