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Thread: multi-zone heat pump

  1. #1
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    multi-zone heat pump

    My first 3-zone ductless system, which meant quite a large lineset bundle entering the crawlspace. Decided to vinyl-wrap the whole thing, which blended in with the siding and kept things neat. Don't think I've seen a lineset cover that would have held all three sets. Overall, pretty happy with how this install turned out. (Homeowner will need to replace window sash to remove old defunct window unit.)

    What the picture doesn't show is that this is actually a log cabin, so underneath the aluminum siding is about 8" of solid wood. Drilling that 5" diameter hole was ... interesting.
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  2. #2
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    What’s down and left of the unit stuck on the siding?


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  3. #3
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    Also, why would anyone want to clad a log cabin with vinyl siding?

    Makes what probably looked pretty sharp into a cookie cutter dump.

    -my opinion.


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  5. #4
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    Oddly, it seemed to be an old dryer vent. The outdoor unit is actually mounted to a concrete block utility room that abuts the main log structure. It looked like someone had once set up laundry machines out there.

  6. #5
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    Quote Originally Posted by heatingman View Post
    Also, why would anyone want to clad a log cabin with vinyl siding?

    Makes what probably looked pretty sharp into a cookie cutter dump.

    -my opinion.


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    Hah, I hear ya. It's actually aluminum siding, but yeah ... my guess is the logs were rotted, and easier to hide them than deal with properly.

  7. #6
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    6" diversatech line hide or custom sheetmetal. How did you waterproof? I have checked behind a company or 2 that set rubber oatey flashings on a flat roof thinking that would hold. Oh how they were wrong.

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  8. #7
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    Quote Originally Posted by Zamoramax View Post
    6" diversatech line hide or custom sheetmetal. How did you waterproof? I have checked behind a company or 2 that set rubber oatey flashings on a flat roof thinking that would hold. Oh how they were wrong.

    Sent from my SM-N960U using Tapatalk
    Huh, for some reason I thought SpeediChannel only came in 3" and 4" widths, don't know how I missed it. Even the 6" sounds like it would have been a tight fit, but probably could have made it work. I used what I was familiar with at the time. Not much experience with doing decorative sheet metal like that.

    Siliconed around the line sets in the hole, and they're sloped upward as they enter the crawlspace. I concede, a custom flashing would have been more elegant.

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  10. #8
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    Quote Originally Posted by hvacluke View Post
    Huh, for some reason I thought SpeediChannel only came in 3" and 4" widths, don't know how I missed it. Even the 6" sounds like it would have been a tight fit, but probably could have made it work. I used what I was familiar with at the time. Not much experience with doing decorative sheet metal like that.

    Siliconed around the line sets in the hole, and they're sloped upward as they enter the crawlspace. I concede, a custom flashing would have been more elegant.
    For not having some sort of cover it looks good. Good job.

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  12. #9
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    Quote Originally Posted by hvacluke View Post
    My first 3-zone ductless system, which meant quite a large lineset bundle entering the crawlspace. Decided to vinyl-wrap the whole thing, which blended in with the siding and kept things neat. Don't think I've seen a lineset cover that would have held all three sets. Overall, pretty happy with how this install turned out. (Homeowner will need to replace window sash to remove old defunct window unit.)

    What the picture doesn't show is that this is actually a log cabin, so underneath the aluminum siding is about 8" of solid wood. Drilling that 5" diameter hole was ... interesting.
    Looks pretty good for what you have to work with.

    Series 140 Rectorseal slimduct will handle 3 sets of line set (1/4 & 3/8).
    Can someone please explain to me -
    Why is there never enough time to do it right the first time, but plenty of time to do it twice?


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  14. #10
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    Drill 2 or 3 separate holes and use 2 or 3 sections of 4" linehide.

  15. #11
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    Looks like the disconnect might have had a bad night.
    I get that some times from bad sushi.

    The log built house reminded of an Archie Bunker show where he lived in a brick house but was sold vinyl siding.
    We are here on Earth to fart around ......Kurt Vonnegut

    You can be anything you want......As long as you don't suck at it.

    USAF 98 Bomb Wing 1960-66 SMW Lu49

  16. #12
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    Quote Originally Posted by hvacker View Post
    Looks like the disconnect might have had a bad night.
    I get that some times from bad sushi.

    The log built house reminded of an Archie Bunker show where he lived in a brick house but was sold vinyl siding.
    Hah! If I remember correctly, there was evidence of an old hose spigot there, and I used the existing hole for the disconnect. Rust stains must have come from the water.

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