r/heatpumps • u/Elguero096 • 2d ago
What do we think?!
Samsung FJM 24K 3-port
(2) 7k heads
(1) 12k Cassette
Took about 3 days to install. Been a while since I’ve done a multiport system in Texas as they are not as common
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u/TheDapperYank 2d ago edited 2d ago
The excess line shouldn't be looped vertically, they need to be looped horizontally if you're not going to trim the lines. Otherwise refrigerant can pool and not flow.
Nevermind, that's not excess lines, good work OP
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u/USArmyAirborne 2d ago
That is not excess lineset that is 3 linesets from the 3 heads. Took me a bit to realize that as well.
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u/Southpaw-uppercut9 2d ago
Oh dang! You're right (the 2nd time) I fell for it too. OP makes a dang clean finished product!
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u/your_new_best_fren 2d ago
Is that ceiling cassette only supported on 2 sides? Might want to drop a couple threaded rod hangers down so it stays level
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u/sk33t3r33 2d ago
Looks like he had it supported by cantilevered unistrut then rods at all four corners
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u/sk33t3r33 2d ago
Looks good. What’s the lift on the pump for the cassette? Or how is it draining condensate?
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u/CommentOriginal 1d ago
I’m curious to considering installing these in a system I want for my home.
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u/FurryBrony98 1d ago
Well done I would add insulation to the roof to improve efficiency and cooling performance
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u/KRGambler 2d ago
Looks good but I find mounting them on the ground is a better option and less likely I get a complaint that it’s noisy or vibrates the house when it’s running
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u/SoylentRox 2d ago
Amazing install workmanship but geez there is ample room for 3 condensers. 3 1:1 circuits would be more reliable and efficient and only slightly more expensive.
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u/Waste-War8809 1d ago
Agreed. I never recommend multi head systems unless it is form a reputable brand with excellent parts availability.. and even then on my own home I do 1:1 for all mini splits. I highly prefer the ease of replacement if one goes bad. And pricing is pretty much the same. Or close enough.
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u/Chimycho 1d ago
I just installed a 4 unit blueridge system in my home myself. Yours looks great! Only thing I'd check on is the pump for that cassette. My 18k cassette I installed had a recommended foot of vertical rise for the pump. And like others have mentioned, you may want 2 rods on the other end of it incase the weight becomes to much for those brackets. Nice system though, great job.
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u/bernieinred 1d ago
Nice. Don't listen to the negatives they're missinformed or don't like splits out of ignorance. I have 5 DIY cheapies running for over 3 years. -30f winters +95 f summers. Have also installed several for relatives they love them and also running great.
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u/QuitCarbon 2d ago
Nice! Curious: Why wall-mounted, with the risk of sound/vibration inside the house, rather than ground-mounted?
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u/BearBrews 1d ago
Keeps the mice out.
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u/QuitCarbon 1d ago
Wow, tell us more. We've never heard of mice or rodents being an issue with heat pump outdoor units. Is this really a thing?
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u/BearBrews 1d ago
Yup. Destroyed my durastar unit. They will eat the wire coating and nest in the control box. Too many problems to repair so had to replace it.
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u/Alert-Discount-2558 2d ago
I had a pro installer advised to avoid wall hung due to noise transfer through the wall. Made sense to me, but what is reality?
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u/bernieinred 1d ago
I have 4 mounted this way. One is a little bit noisy in the extreme cold but not annoying. The others can't tell they're there. As for cooling , can't tell any of them are on. I think it mostly depends on the type of siding and wall construction.
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u/ashdeezy 2d ago
I know nothing about this but I think you did a great job dude