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  1. Replies
    11
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    1,703

    When you say 'last pass' do you mean the highest...

    When you say 'last pass' do you mean the highest loop of copper tubing in a coil.

    This is an A coil and the condensation droplets are forming in possibly the 2nd loop of copper tubing from the...
  2. Replies
    11
    Views
    1,703

    I appreciate the previous helpful suggestions! ...

    I appreciate the previous helpful suggestions!

    This was with the 8 year old 2 ton A/S counter flow fcu in cooling mode

    The plot thickens....

    The coil has been cleaned again and the underside...
  3. Replies
    11
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    1,703

    The R-22 charge is perfect. I'm guessing that...

    The R-22 charge is perfect.

    I'm guessing that leaves us air flow to consider or perhaps another brand or type of coil cleaner.

    There initially was a fair amount of small rust like debris in the...
  4. Replies
    11
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    1,703

    Drain is clear. Best we can tell, condensate...

    Drain is clear. Best we can tell, condensate may be blowing off the coil, or just draining improperly....potentially due to some area still lightly clogged. Perhaps there could be another cause.
    ...
  5. Replies
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    12,436

    A leak is a leak. Inspectors in our area...

    A leak is a leak.

    Inspectors in our area require 30 psi holding for 24 hours. Lose 1 psi and you flunk!

    Typical cause is either insufficiently tightened threaded joints or teflon tape not...
  6. Replies
    11
    Views
    1,703

    Stubborn Condensation Leak on A-Coil

    We've got an Improperly draining A coil in an American Standard downflow fan coil unit. Drain is clear.
    Maintenance guy allowed to filter to clog and no doubt some initial dust clogging the coil....
  7. t stat

    Thanks for the tips....
    Anyone know if the Honeywell FocusPro 5000 will lock out the compressor when aux heat is called for?
  8. T-stat

    Will the quality t-stat you refer to, like a Honeywell FocusPro 5000 lock out the compressor, when strips are called for as that's the feature sought.
  9. Limiting current load - Strips or Compressor

    We have a job where we'd like to limit the current draw from the HVAC equipment, by essentially isolating the compressors and the strip heat.

    We'd like to set it up so that you either run the heat...
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