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Type: Posts; User: Sunnyphx

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  1. Why not a packaged chiller?

    Fatprop: I'm curious why your installer doesn't want to select a packaged chiller for the application instead of piecing together the various components. Maybe I'm misunderstanding, but it sounds...
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    This article doesn't describe the duct, but I...

    This article doesn't describe the duct, but I assume he was stuck in the verticle section that rises to ground level.
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    A/C tech died -- a reminder of the dangers

    This story was released yesterday and the local papers haven't followed up yet with any more details. It's scary how near danger is sometimes and we don't realize it.
    ...
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    5,924

    I read my neighbor's electric meter and compare...

    I read my neighbor's electric meter and compare usage. Got started when I noticed his CU practically never shuts off, and I started wondering what the heck his power usage might be. The meter faces...
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    Invisible RTU's

    I'm glad you asked the question because I've wondered about it too during my many years here. I'm hoping there'll be more responses from the locals here in AZ to help with the discussion.

    I've...
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    With that much added coil, wouldn't it need an OD...

    With that much added coil, wouldn't it need an OD fan control to maintain adequate head pressure? Seems to me he could lose efficiency if head pressure dropped too much.
  7. Payson: Here's an idea that your customer might...

    Payson: Here's an idea that your customer might be interested in. I saw some digital indoor/outdoor thermometer sets at Fry's that weren't very expensive -- different models in the $20 to $30...
  8. Spinner: You got me curious how you're...

    Spinner: You got me curious how you're collecting the cycle on/off data. But more important, are you paying close attention to what's happening with the condensing unit during the afternoon? ...
  9. Spinner_Two: You've done a good job of charting...

    Spinner_Two: You've done a good job of charting the on-off cycles. I assume your chart represents the the on-off cycles of the thermostat, and not necessarily the compressor. I believe you...
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    Carnak: Yes, two transformers, with a high leg...

    Carnak: Yes, two transformers, with a high leg (delta). One transformer is significantly smaller than the other, and it is the one that supplies the high leg. Since the 3-ph load (only the AC) is...
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    I believe that a lot of houses built here in Phx...

    I believe that a lot of houses built here in Phx in the late '50s and early '60s had 3-phase. I've heard that in those days the only units available for central air were commercial units and were...
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    Hum. Filters must've looked pretty clean when...

    Hum. Filters must've looked pretty clean when they were changed each month.
  13. Thread: HSI: Sun City

    by Sunnyphx
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    4,726

    On the topic of why keep posting these pictures,...

    On the topic of why keep posting these pictures, it seems to me these are exactly what we're looking for in the Wall of Shame. Seems Payson's pics are right on point. I don't know what other kind...
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    I can only imagine what the inside temp must have...

    I can only imagine what the inside temp must have been in 100+ weather with less than half the design capacity working. That gives those potty pix a real pungent kick. Gag.
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    Large differences in amp draws

    Changing the topic some but still related to 3-phase scrolls .... why are the amp draws different on the three legs of a scorll? Seems they should be balanced, but I've heard this is not uncommon...
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