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  1. Replies
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    Sometimes it is, Catman. So far, in my...

    Sometimes it is, Catman.
    So far, in my experience, those times are when it is raining and/or foggy.
    Most of the time it's too short. Especially when it's 45 degrees outside.
    It's about right...
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    Well, I tried to fire it up this AM before...

    Well, I tried to fire it up this AM before heading out for family Christmas, but I didn't like the fan vibration. Not horrible, but not good either. It was still raining Saturday night when the power...
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    http://www.lansingstatejournal.com/viewart/2013122...

    http://www.lansingstatejournal.com/viewart/20131223/NEWS01/312230025/8-people-hospitalized-after-using-oven-heat-house-Lansing
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    So, if I took off the grids that the pots rest...

    So, if I took off the grids that the pots rest on, they'd burn cleaner because the flames wouldn't hit metal?




    I've gotta think that's for closed garages. Aiming the exhaust outside and...
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    Couldn't post this last night as the generator...

    Couldn't post this last night as the generator died while I was initializing my CO meter, but after 2 hours with the range off and the generator on, I still had 6ppm in the house, but there was 0ppm...
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    My generator cable barely reaches from the...

    My generator cable barely reaches from the breaker box to the garage door.
    Maybe I should have made it longer.

    The generator sits just inside the 16x7 garage door, on the side away from the...
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    CO safety of LP kitchen stove

    In an attempt to keep my home warm between generator runs, I lit a couple of burners on the range, and adjusted them for a moderately low flame, as blue as possible.

    3 hours later, my home had...
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    I was worried about the fan being out of balance,...

    I was worried about the fan being out of balance, or worse yet, throwing ice shrapnel into the coil.



    By the time the power comes back on, the weather will probably be OK for 90 minute...
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    OK, thanks, BT. The more I think on it, the...

    OK, thanks, BT.

    The more I think on it, the more I suspect that suction pressure couldn't go over 100psi unless the inlet plumbing to the compressor was warmer than the 32 degree ambient temp,...
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    When humidity went to virtually 100% yesterday,...

    When humidity went to virtually 100% yesterday, unit looked like a wedding cake long before the 90 minutes were up. Most of the coil would defrost within 7-8 minutes, but one loop would still have...
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    Marc's right on the 'other fuels'. My other fuel...

    Marc's right on the 'other fuels'. My other fuel is LP, which allows a HP to beat a 95% furnace at any temp a cooling sized HP can heat a house.

    I can run everything except the dryer, water...
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    The problem is I don't know of any really good...

    The problem is I don't know of any really good Heat Pump techs, nobody around here seems to have a HP.
    With 13 cent electricity, HPs are pointless except for those of us so far from any human...
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    question for beenthere

    in closing this thread:http://hvac-talk.com/vbb/showthread.php?1462771-Outdoor-coil-defrosts-unevenly&p=17293631#post17293631

    you said I need somebody to repair my system. You didn't say adjust or...
  14. Replies
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    I ran 104psi on a saturation temp calculator and...

    I ran 104psi on a saturation temp calculator and got 33.
    If suction pressure is 101-104psi, and outdoor temp is 32, does that mean there is no superheat, and the compressor is getting slugged...
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    Fired it back up and put a gauge on it. 32 out,...

    Fired it back up and put a gauge on it. 32 out, 69 in.
    Was expecting 310 +/-20psi high, 86 +/- 5psi low.
    High started out about 260, rose to 302 within ten minutes and stayed there. Low started...
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    This AM I checked it and the area behind the...

    This AM I checked it and the area behind the fourth grille from the bottom had solid ice on it immediately AFTER a defrost.
    I'm afraid it might damage the coil, so I guess I've got to shut it off,...
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    That's what I was afraid of. When the tech...

    That's what I was afraid of.
    When the tech pronounced the charge 'spot on' (pressures matched the chart in heating mode), he unhooked his gauges and it became obvious that his hoses and manifold...
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    The area that doesn't want to melt is the fourth...

    The area that doesn't want to melt is the fourth grille slot from the bottom, or the 7&8th tubes from the bottom.
    Here's some pics:

    Before defrost:
    447971

    After 2 minutes:
    447981

    After 4...
  19. Replies
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    Outdoor coil defrosts unevenly

    Is this a problem?

    32 degrees, foggy and raining here. Ideal weather for making a heat pump look like a wedding cake.
    It's set to defrost after 90 minutes of running time.
    Defrosts were...
  20. This is the Ask Our Pro's forum, and only Pro...

    This is the Ask Our Pro's forum, and only Pro members that have been vetted by the AOPC may post advise, commentary, or ask questions of the OP here.

    You can find the rules for posting and...
  21. Compressor and sound blanket questions Goodman GSZ130181

    What brand/model compressor is in a Goodman GSZ130181?
    Is the GSZ unit any different from the VSZ130181 other than styling?

    What's the best/most effective compressor sound blanket to buy for it?...
  22. Plenum transition and flex boot questions

    When I look at pictures of installation on this site, I don't think I've ever seen a flex boot on a furnace outlet to supply plenum connection.

    When quoting my furnace last year, the installer...
  23. This is the Ask Our Pro's forum, and only Pro...

    This is the Ask Our Pro's forum, and only Pro members that have been vetted by the AOPC may post advise, commentary, or ask questions of the OP here.

    You can find the rules for posting and...
  24. Right. Currently it runs 12 minutes low, then...

    Right. Currently it runs 12 minutes low, then high, and with the mini split helping out it almost never goes high.

    I'd have it changed to only run in high fire if I had a central heat pump, to...
  25. Goodman hybrid (HP/Propane) staging and BP

    Well, I didn't take my installer's advice and let him stick a 2 ton Goodman coil on my new GMH950453BX furnace last year so I could market the home as "A/C ready".

    Then I had a Fujitsu 9RLF mini...
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