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Pump sizing question?

Jamie_6
Jamie_6 Member Posts: 710
in THE MAIN WALL
Would someone help me size this pump please?

Total btu's: 15,410

Flowrate: 3.1

Head loss: 11.7

Required temp. to slab 90 degrees

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Comments

  • S Davis
    S Davis Member Posts: 491


    A Grundfos UPS15-42F on speed two would be real close and if you ended up needing more flow or your head was higher than you thought you could go to speed three.
    hope this helps.


    S Davis

    Apex Radiant Heating
  • S Davis
    S Davis Member Posts: 491
    UPS15-42F

    Yes , and I picked one up this last week so as far as I know they are still available.

    S Davis


    Apex Radiant Heating
  • Kal Row
    Kal Row Member Posts: 1,520
    is there still a 3spd 15-42?

    i thought is was only the 15-58fc "superbrute II" now.
    but the old file grundfospumps60hz has it - so i dont know - i thought when they moved the plant from germany to fresno,ca they changed the 42 to one speed only, their web site is so confusing ;(
  • Jamie_6
    Jamie_6 Member Posts: 710


    On speed two that pump is larger then a 007 correct?

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  • kal
    kal Member Posts: 15
    dang, or shoud i say \"ups\", my dealer is holding out on me ;)

  • kal
    kal Member Posts: 15
    more like different....

    cause afer the 007, taco goes off in a very different direction than grundfos

    look as the pumps curves in the attached 007.pdf with the one i attached above - they do lots of head with the 009 or lots of flow with the others

    while the grundfos just happens for give you a better match the 007 might just be close enough, if you have a spare 007, i would try it first
  • Jamie_6
    Jamie_6 Member Posts: 710


    there is a 007 on there know and it is not cutting it. If we close two loops the slab will atrt to warm!

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  • Kal Row
    Kal Row Member Posts: 1,520
    you might need speed 3 on UPS15-42xx see pic....

    the 11ft of head is closer to the middle of the pump curve than it is on 2 - and we try to operate pumps in the "knee" of their curves - usually the middle third -

    you can also use a 008 or even better a 009 which almost matches the flow and head you gave up front – while we love to help, on something simple like this, I cant understand why your dealer isn’t giving you the time of day, they get free evening seminars with dinner on this stuff and they can even bring their spouses and make it a night - manufacture's reps spend good money on this – I’m thinking, maybe he don’t have the right stuff in stock!!!
  • Joe Mattiello
    Joe Mattiello Member Posts: 720
    Taco 007-F5-IFC

    Attached is the submittal data information for the 007 which will give you the dimensional, and operational Characteristics.

    Taco, Inc.
    Joe Mattiello
    Technical Service Technician
    joemat@taco-hvac.com
    401-942-8000 X 484
    www.taco-hvac.com
    Joe Mattiello
    N. E. Regional Manger, Commercial Products
    Taco Comfort Solutions
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