I live in Greenville SC
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  1. #1
    Join Date
    Jul 2012
    Location
    Greenville, SC
    Posts
    12

    I live in Greenville SC

    Hey does anyone have any thoughts on if I should have my outdoor heat pump unit secured to a reinforced concrete pad? I had someone tell me the unit should be on a reinforced concrete pad with another black rubber pad on top of that. They also said there should be vibration isolators between the two. I have a Lennox 14HPX030 heat pump. I live in Greenville SC and this person was telling me that my unit needs to withstand 60 MPH winds. I think this sounds a bit silly. Any thoughts?

  2. #2
    Join Date
    Jan 2004
    Location
    Lancaster PA
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    67,579
    Made this its own thread. You are not permitted to post in other peoples threads in the AOP forums. Please read our site rules, thank you.
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    How many times must one fix something before it is fixed?

  3. #3
    Join Date
    Jul 2012
    Location
    Greenville, SC
    Posts
    12
    My apologies. I'm new to this site and can't figure it quite out yet.

  4. #4
    Join Date
    Jan 2004
    Location
    Lancaster PA
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    Quote Originally Posted by MXF9283 View Post
    My apologies. I'm new to this site and can't figure it quite out yet.
    No biggie. just didn't want you getting dinged later because of not knowing.
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  5. #5
    Join Date
    Dec 2002
    Location
    SouthEast NC ICW & Piedmont Foothills
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    7,635
    can't see why unless it's a local code thing.

    hang on someone from that area will chime in sooner or later

    wind zone 3_ definitely, wind zone 2_ probably, wind zone 1_why?
    It`s better to be silent and thought the fool; than speak and remove all doubt.

  6. #6
    Join Date
    Mar 2006
    Location
    The South
    Posts
    2,118
    MXF

    Absolutely ridiculous. A black rubber pad?

    Now, the condenser should be sitting on a pad of some type off the ground, whether plastic, preformed concrete, or a poured pad which is my preference. With a slight slope away from the house.

    I am not clear about what you mean by secured. Certainly high winds are not an issue. And if tornado, it would be ruined anyway. Now secured because of theft problem in your neighborhood would be a different matter.

    Check around at your neighbors' homes. I doubt you would see any that are secured in a special manner.

    If you are still concerned, call the local building authority and see what the code says.

    IMO

  7. #7
    Join Date
    Nov 2004
    Location
    SW FL
    Posts
    6,225

    Hmm

    Quote Originally Posted by tigerdunes View Post
    Check around at your neighbors' homes. I doubt you would see any that are secured in a special manner.

    If you are still concerned, call the local building authority and see what the code says.
    http://www.greenvillecounty.org/Code...Inspection.asp

    International MECHANICAL Code, 2006 applies.


    M9-07/08, PART I – IMC
    Revise as follows:
    304.9 Clearances from grade. Equipment and appliances installed at grade level shall be supported on a level
    concrete slab or other approved material extending not less than 3 inches (76 mm) above adjoining grade or shall be
    suspended a minimum of not less than 6 inches (152 mm) above adjoining grade. Such support shall be in accordance
    with the manufacturer's installation instructions.


    Equipment Tie-downs are standard in FL for industrial and commercial applications.
    Wind requirements are 100 to 130 MPH depending on proximity to the coast.
    Designer Dan
    It's Not Rocket Science, But It is SCIENCE with "Some Art". ___ ___ K EEP I T S IMPLE & S INCERE

    Define the Building Envelope and Perform a Detailed Load Calc: It's ALL About Windows and Make-up Air Requirements. Know Your Equipment Capabilities

  8. #8
    Join Date
    May 2004
    Location
    south louisiana
    Posts
    3,118
    this has got me thinking...
    maybe I'll do a tie down for my unit!
    Granted it is somewhat protected by the house,
    but if I tied down my shed for my lawnmower
    why not tie down my condenser?
    for peace of mind if nothing else.

    Since Katrina, Rita and Gustav..all in
    the past few years it may not be a bad idea.
    The cure of the part should not be attempted without the cure of the whole. ~Plato

  9. #9
    Join Date
    Nov 2004
    Location
    SW FL
    Posts
    6,225

    Keep It Simple

    Quote Originally Posted by energy_rater_La View Post
    this has got me thinking...
    maybe I'll do a tie down for my unit!
    Granted it is somewhat protected by the house,
    but if I tied down my shed for my lawnmower
    why not tie down my condenser?
    4 small clips and 4 small concrete bolts.
    It might take 30 minutes if you have the right tools.
    Designer Dan
    It's Not Rocket Science, But It is SCIENCE with "Some Art". ___ ___ K EEP I T S IMPLE & S INCERE

    Define the Building Envelope and Perform a Detailed Load Calc: It's ALL About Windows and Make-up Air Requirements. Know Your Equipment Capabilities

  10. #10
    Join Date
    May 2004
    Location
    south louisiana
    Posts
    3,118
    its pretty much a given that I'll do this in
    a few days.
    hurricane season is upon us!
    The cure of the part should not be attempted without the cure of the whole. ~Plato

  11. #11
    Join Date
    Sep 2009
    Location
    S.C.
    Posts
    1,352
    Since I'm in SC... Is this "someone" possibly from the North?
    Yes, I know I Shouldn't But I Just Can't Help Myself...

  12. #12
    Join Date
    Sep 2005
    Location
    Atlanta GA area
    Posts
    20,757
    Quote Originally Posted by energy_rater_La View Post
    its pretty much a given that I'll do this in
    a few days.
    hurricane season is upon us!
    If the unit is on a poured slab... then just drill holes through the bottom pan and attach with concrete anchors.

    I used to use a tube of liquid nail to attach condensers to a poured pad years ago... theives had a time with that...
    GA-HVAC-Tech

    Quality work at a fair price with excellent customer service!

    Romans Ch's 5-6-7-8

    2 Chronicles 7:14

  13. #13
    Join Date
    Jun 2010
    Location
    Philadelphia PA
    Posts
    2,190

    Not just the wind

    How about making the unit more difficult for the thieves to take ?
    You have got to learn from other people's mistakes! Because God knows you don't live long enough to make them all yourself !!!!!!!!

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