Recent content by akenis

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    Flow rates for heat pump chilling?

    I talked to a Gulfstream engineer yesterday. Bottom line, he said he did all the tests with 56 gpm. He said I should run 50-55. He also said I was wrong and wasting money trying to chill during the day when it's 92 deg in FL. What I was doing: In the morning water temp was around 85. I...
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    Sub Panel

    Cool! See pretty good reviews on Amazon. Home Depot also. The add I saw said they still trip, just less frequently! If I was home every night or needed an inspection I'd definitely go for it.
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    Sub Panel

    Well Lowes had the bar and a GFCI, so I thought I'd sleep better being compliant. But going back to Lowes to get a regular 20 amp breaker. I've had 3 nuisance trips already. Don't want to come back from a trip to a green pool. Saw an add from local company. They said they use the...
  4. PXL_20230810_221537305.jpg

    PXL_20230810_221537305.jpg

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    Flow rates for heat pump chilling?

    What about 40 gpm. Would it chill slower?
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    Flow rates for heat pump chilling?

    HP/Chiller has been sitting in my yard for over a month. Lota of work in extreme heat to replumb everything. Should have done it when it was cooler outside! Anyway chillin now. 96 ... Hot tub like. So HP flow rates are 30-70 gpm. Optimal 45. What does optimal mean? What flow will cool...
  7. PXL_20230810_235214457.jpg

    PXL_20230810_235214457.jpg

  8. Screenshot_20230810-214048.png

    Screenshot_20230810-214048.png

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    Sub Panel

    Thanks for all the help. So the plan now is to buy a new GFCI since that's NEC. Will remove the lug connecting the panel bar to enclosure and use that as a neutral bar. Need it for the GFCI anyway. Then add another bar directly to enclosure for the grounds.
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    Sub Panel

    Zoom in. It is a 2 pole 30 Amp breaker. The handle tie is missing. From what I read, 2 pole breakers are common trip by default. If not, they must be labeled "independent trip." The bus bar can be modified as you point out. I think I should leave it bonded (leave the screw in) and use it...
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    Sub Panel

    Not sure of his current qualifications. He only does work for family and friends now. Maybe there is a GFCI upstream at the main panel. Don't think so. Yes, this panel gives power to a Pentair pump and Jandy SWG through a timer. I also have a new 50 A panel for new heat pump. Interesting...
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    Sub Panel

    Thanks... Is it a floating neutral? Look at the green screw on top right. To me it looks like it is bonded to the cabinet. It looks like that lug could be removed to make it a floating bus. It's a Siemens Type Q 2 pole breaker, not two separate breakers. Don't know if the handle tie came...
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    Sub Panel

    Electrician replaced sub panel. Feed comes in from the rear. 2 hots and ground run out lower left to timer box. Hot, neutral and ground go out bottom for a 115V outlet. Issues: 1. 30 Amp dual pole breaker on left doesn't have a connecting bar. I've never seen one like this. I googled and...
  14. sub pannel.jpg

    sub pannel.jpg

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    Reuse unions????

    Thanks. That saved some money. Forgot the reducers for the HP unions. Also used couplers glued flush to reuse SWG housing and Pentair 3 way diverter. The old inlet plumbing is in front of the pad. Plan to reposition that to the back right corner of pad for new pump position. Gonna keep the...