DIY Mini Split Install – All the Things Nobody Shows You

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Installing a Mini Split is totally doable, but there are several things that all of the other videos gloss over. This is a TRUE, STEP BY STEP tutorial, baby. #minisplit #tosot #heatingairconditioning

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Comments

Brandon Collins says:

Please just have an HVAC company install it for you. The chance of you messing it up and having to pay someone to fix it is really high.

Flinch says:

#1 overlooked concern of most installs? Drainage. Air conditioners make water all day long. Don't create a swamp directly under the outside unit – somebody will at some point work on that, and track it back in the house. Could… you use that water? Yes, so think carefully. A storage tank could serve doing laundry, or just watering plants / lawn. But you can't just tie your own pump in to plumbing common to city supply: code gets weird at best [backflow preventers etc], and may be prohibited depending on where you live. Me? I would serve laundry, which would mean using city water to top off tank if I needed more volume, and running the pump as needed.
Anyway. put the condenser unit up high to keep it away from animals and yard tools. Leaf blowers can put a bunch of junk in coils – a good 4 or 5 feet kept clear under the unit works well.

Larry Keyes says:

Forgot something. I'm also a former old-school HVAC tech from Industry (not residential). We old farts used to use a 24 hours vacuum pump run to evacuate lines and compressors. I would still recommend that, if not at least a couple hours. Here's why. Vacuuming is not just about evacuating air. It is more about removing any trace of water. And if you do not pull a longer run on a system there will always be many molecules of water left behind. Saving you the Chemistry lesson suffice it to say that water and Freon make Sulphuric Acid, which is the main reason why compressors fail. Capiche?

Jerald Lockhart says:

A few drops of water where are you live

Jerald Lockhart says:

Drywall anchors πŸ˜‚πŸ˜‚πŸ˜‚πŸ˜‚πŸ˜‚πŸ˜‚like a dozen or 2😳

Jerald Lockhart says:

Days πŸŽ‰β€πŸ˜…πŸ₯°πŸ₯΅πŸ˜”

kawasaki eddy says:

DO NOT PUT ANYTHING ON THOSE FITTINGS!!!!! YOU WILL CAUSE THE LEAK

Pablo Peralta says:

Hi, thank you for the video . How did you get the power breaker requirements I cannot find them on their site

bookoobeans says:

WHOA. Some good ideas here but WATCH OUT when it comes to the electrical advice. Especially this comment, which is wrong: https://youtu.be/2mKwCmaR5Qg?t=1469 You should not choose a large breaker just because you are making use of larger than needed wire. You loose your fire protection if your circuit can deliver way more current (30A) than the AC should be drawing (15A).That is double the max current before the breaker trips! Get an electrician involved if you don't understand this. Also see other comments about the refrigerant lines: fittings used & oil pooling or settling in the refrigerant lines when installed this way.

Lance Clive says:

very informative coming from a HVACR technician in training this video really helped me grasp the process of installing a split unit thanks a bunch

Miguel Magana says:

you didnt perform a leak test with nitrogen before the vacuum pump?

Nathan Shaw says:

Hire a professional!

Nathan Shaw says:

When you use a vacuum pump, you need to install a micron gauge on the manifold and bring the vacuum level to final level below 500 microns after a triple evacuation using dry nitrogen. You can't simply rely on the low side gauge and let it stay near 30 inches Hg for 15 minutes and call it good. What about sublimation in the line set? Remember the line set is the metering device of the unit. ensuring a good vacuum will prolong the life of the unit and aid its efficiency. I recommend hiring a professional. I hold an EPA card and a degree in this field, so I am giving you good advice.

mtay65 says:

18:53 air gusting in …do it after 19:16

Dave Dono says:

much easier and neater if feed copper lines and control wire from outside to inside with indoor unit on table or floor to make connections . also coil extra line set and lay coil horizontal not vertically ..

Joe Cochran says:

Im sure people have put there 2cents in but The red wire should have been used not the white please be carful your wire style can cause Saftey issues later NEC under AC and applianceπŸ™πŸ™πŸ‘Œ

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