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Thread: Pool pump electrical problem....

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    Pool pump electrical problem....

    Hi,
    MY Dad has a Pentair whisperflo 110V pump. I installed it last year and it worked fine. I started it this year and smelled somnething burning. Turns out that the neutral wire where it connects to other neutral wires in the box heated up so much it melted the marette off Anyway my Dad's tool box comsists of a hammer so I have to go back tomorrow with my meter and such but anyone have any idea what may be happening?
    Thanks,
    Joe
    15,500 gal, inground gunite pool with 7 ft spa, 2 speed pump 2hp/.33hp, 3/4 hp booster pump, Intermatic P1353 timer, AutoPilot SC-48, Sand filter with ZeoBest, Heater, that I never use . . .

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    Join Date
    Jun 2007
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    SF Bay Area
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    crusmisl,

    Sorry to hear about your electrical problems.

    Electrical equipment contains smoke. If you see or smell smoke, it means you have let the smoke leak out of the electrical equipment. This is not good news.

    Just kidding.

    heated up so much it melted the marette
    What is a marette?

    Can you post a picture of the electrical installation, with extra focus on where and how you connected the neutral wires together?

    Are we talking about a AG or IG pool here?

    Titanium
    24,000 gallon inground freeform pool/spa circa 1983 (113 ft perimeter, 625 sq ft) with 350 gallon attached spill-over spa
    2007 2 HP, three-phase Hayward TriStar pump which is powered by an Ikeric VS-200 variable speed drive system
    1983 Laars XE Pool/Spa Heater Type ES 400,000 BTU, 1998 Hayward Super Star-Clear C-4000 cartridge filter (400 sq ft, 4 separate cartridges)
    1998 Polaris 380 pressure-side cleaner w/ 3/4 HP booster pump
    One skimmer :( and one PoolSkim :), One Supervision Galaxy LED pool lamp, Second story solar panels
    Hayward/GoldLine AquaLogic PS4 (replaced 1983 vintage dual circuit Intermatic timer)

  3. Back To Top    #3
    Sorry a marette is a wire nut. I don't have a photo of the install but it's a typical box with typical copper wiring. Since it was working last year just fine I'm thinking maybe the neutral junction point using the wire nut may have come loose or developed a poor connection which caused the heating issue....then again I'm not an electrician
    15,500 gal, inground gunite pool with 7 ft spa, 2 speed pump 2hp/.33hp, 3/4 hp booster pump, Intermatic P1353 timer, AutoPilot SC-48, Sand filter with ZeoBest, Heater, that I never use . . .

  4. Back To Top    #4
    Mod Squad JohnT's Avatar
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    Apr 2007
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    Quote Originally Posted by cruzmisl
    Sorry a marette is a wire nut. I don't have a photo of the install but it's a typical box with typical copper wiring. Since it was working last year just fine I'm thinking maybe the neutral junction point using the wire nut may have come loose or developed a poor connection which caused the heating issue....then again I'm not an electrician
    That would be my guess.
    TFP Moderator
    20K Gallon 20X36 Vinyl Inground
    Hayward S244T Sand Filter with 1HP Whisperflo Pump. Liquidator C-201 and Solar Heat

  5. Back To Top    #5

    Join Date
    Mar 2007
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    Texas
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    444
    Not actually seeing what happen or what it looks like, my guess would be that the joint was not made correctly and one (or more) of the wires were loose in the joint and got to hot.
    27' Round AG, 17,200 gallons, sand filter

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