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  1. Replies
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    Suction pressure is pretty high for having low...

    Suction pressure is pretty high for having low superheat. An amp draw would've helped in seeing if the compressor was weak or if it has worn valves. That would be my guess if indoor coil is matched...
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    You'll have to apply for pro status to get help...

    You'll have to apply for pro status to get help on that. Can't give any suggestions in the public forum on this site.
  3. My vote is for the four systems with two zones...

    My vote is for the four systems with two zones each. You will have much better control over your comfort than only two systems trying to satisfy four zones each. Of course, this is probably the most...
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    Could they not read the label?

    Could they not read the label?
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    In a nutshell. It depends on your system design...

    In a nutshell. It depends on your system design specifications and there's a multitude of other variables to consider too. That's something we can't get into unless you have pro status. Surely you...
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    LOL, that reminds me of my pre-HVAC days when I...

    LOL, that reminds me of my pre-HVAC days when I thought I could outsmart my high bills by shutting off the heat pump (not knowing what a heat pump is) and using space heaters. My electric bills...
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    Personally, I find it more discrete to just mark...

    Personally, I find it more discrete to just mark the inside of the disconnect, but that works. :D
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    Measuring the temperature just after the coil can...

    Measuring the temperature just after the coil can help you determine if heat is transferring from the room to the coil correctly. Comparing that temperature with what's actually coming out of the...
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    That's Wall of Pride material there! :patriot:

    That's Wall of Pride material there! :patriot:
  10. Even with bad valves, your discharge pressure...

    Even with bad valves, your discharge pressure should never be lower than your suction. They would be equal, if anything. Sounds like you diagnosed it correctly.
  11. Replies
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    Behr? Looks too neat to be mastic.

    Behr?

    Looks too neat to be mastic.
  12. Replies
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    Is it a heat pump with electric backup or gas...

    Is it a heat pump with electric backup or gas backup?

    If it's just straight electric, that heat pump won't be worth any good by December. Not anywhere north of the Mason-Dixon line!
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    Air temperature coming off the coil. Your...

    Air temperature coming off the coil. Your temperature split, essentially.
  14. It was a joke, but when it does come to wiring...

    It was a joke, but when it does come to wiring motors, that type of information isn't supposed to be available to DIYers on this site. Someone can misinterpret that information without understanding...
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    Commercial equipment is easer to access than...

    Commercial equipment is easer to access than residential, that's for sure!

    But there is a greater variety of sensors and mechanisms that you need to identify when troubleshooting.
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    Why? It doesn't look like indoor airflow is an...

    Why? It doesn't look like indoor airflow is an issue. Your suction pressure is right on point. I am concerned how you're getting 60 degrees superheat. That means your suction line at the service...
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    80 degrees subcooling? How dirty is the outdoor...

    80 degrees subcooling? How dirty is the outdoor coil? Amp draw on the ODF? 350 psig is high for R22, but 100 degrees outside and that high of a pressure is possible if the fins are kicked in, the...
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    Can't read the notes. Looks funny from what I see...

    Can't read the notes. Looks funny from what I see though.
  19. I was going to say, this stuff may need to go to...

    I was going to say, this stuff may need to go to the Pro Forum. We don't want homeowners getting privy of electromagnetism and trying things on their own. lol
  20. Not exactly. 3-phase motors have three run...

    Not exactly. 3-phase motors have three run windings of equal resistance. Most single-phase motors only have a start winding and run winding, both of which are not equal. But yes, the capacitor...
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    This is ridiculous. That question required no...

    This is ridiculous. That question required no thought.
  22. Try it. Look at the diagram: you have a line...

    Try it.

    Look at the diagram: you have a line going from L1 to C of the compressor (black wire). You have a line going from L2 to C at the capacitor (red), then from HERM to S of the compressor...
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    Yea, we used to have a guy on staff who worked...

    Yea, we used to have a guy on staff who worked for them. He was fired after about a couple months because he's a moron, but he'd tell horror stories of how some guys would drill into people's...
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    Do they include a free estimate every time too?...

    Do they include a free estimate every time too? lol j/k
  25. Yes, which is why with some aftermarket motors,...

    Yes, which is why with some aftermarket motors, you can connect the 'common' wire to common at the capacitor or directly to the contactor. It doesn't matter because either way the circuit will be...
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