How to Install a Mini Split LIKE a PROFESSIONAL - TIPS and TRICKS for DIYers AND HVAC Pros
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- เผยแพร่เมื่อ 6 ส.ค. 2024
- We install a Mitsubishi mini split for a customer. It was a one day job and I walk you through most of the steps involved in the work. Feel free to ask any questions in the comments.
00:00 Arriving at Job/Walkthrough
00:40 Mounting the Indoor Unit
03:23 Running the Line Set
08:10 Flaring Basics
11:09 Attaching to the Unit/Torque Wrench
12:48 Pressure Test
13:16 Pulling a Vacuum/Breaking a Vacuum
15:31 Drain Stuff/Me Being Extra
16:27 Pulling Wire Indoor Unit
17:30 Decay Test/Releasing Refrigerant
19:16 ASMR
20:03 System Running/Finishing Touches/Cleanup
21:23 Job Recap
#hvac #hvaccontractor #heatpump #hvacinstall #hvacinstallation #hvacsystems #mitsubishi #minisplit
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It looks to me like you have at least one supporting wall that is no longer properly supported - due to the huge notches for the tubing. Did the building inspector actually sign off on the work?
yeah, that was a 'what the actual fuck' moment for me
Not supporting the roof truss you can see those duel 2x4 are supported at the end with duel vertical 2x4.
This video is not meant to be a FULLY comprehensive guide on mini split installation but rather showing many tricks to make an install go smoother and have less chance of failures. We may do a more comprehensive video in the future. I share a lot of little things that I have learned by installing mini splits myself. Hopefully someone can benefit from some of this stuff, be it a homeowner or HVAC guy.
@3:30 I’m so glad you said that. A lot of guys don’t understand that it won’t be an accurate reading so close to where you’re pulling from.
looks good brother keep up the good work
Good job on the video. It was a little more helpful than some.
For the wire butting, I usually score it lightly (making sure not to totally penetrate the insulation and cut inside wires) in line with the wire with a utility knife only penetrating the last half inch of outside insulation where the wire will be stripped anyways. Then grab a wire and peel insulation back.
Or I will score around the wire where i want the butt of the insulation (making sure not to totally penetrate the insulation and cut inside wires). Then bend the wire back and forth at the scored section to finish the cut through the insulation, and slide the insulation off of wires. Hope this helps. Thanks for the video. Keep up the good work!
I have a better trick I recently came up with. I’m gonna post a video of it. I swear it will blow your mind
if you take a screw longer than the guide plug, you can sometimes screw it in through the front of the wood piece and the wood piece will push out. obviously dont use a self tapping fastener so you dont drill into the metal bit
This is all we install. Top of the line hands down
We just became a Diamond dealer. My only complaint is the pricing for single zone wall mount units. I can get Daikin wayyyyyyy cheaper with the 12 year warranty. That’s my only gripe though. Love the svz
Great video . I’ve installed a few mini splits. I try and learn something different from each install .
Yeah man as simple as they are there is still a lot going on with them and you can always make your installs better. I'm always trying to improve as well
Thanks man
That's a fabulous installation, good to see hard working HVAC tech like you! One more thing I might do is putting in a wet swtich like SS610E, might add some value to your customer and save for a major leak one day just in case~~Staying Hydrated, Staying Healthy👍👍
I did not even know these existed. Thank you so much for the info I’m going to see if someone in my area sticks them
I use 14ga marine grade fork terminals with heat shrink. Use a good crimper and your heat gun. You’ll have less communication issues if you do it this way. If you’re cleaning the outdoor unit and cleaner/water gets on your terminal strip, capillary attraction will take water down that wire and set up corrosion or continuity. Then it’s communication error time.
Wiggle your holesaw back-and-forth as you go in then the plug won’t fit so tight inside the hole saw. Then with a screwdriver or a punch or a screw drilled into the wood plug and pulled out with pliers works nice.
I hope some of those screws for the mounting plate went into studs. A few inches left or right is worth never getting the call that it's hanging by the lineset, kinked, and leaked all the refrigerant out. Also, very nice vacuum demonstration.
Didn’t know that about the flare fitting in the tube cutter. 😅 too bad I don’t live in California cause I’d definitely join your crew.
Yes lol genius right
I just learned it about six months ago and it blew my mind
I always give myself a day and a half to two days to install mini split heat pump. I work solo and I do a good job like you. Guys like to brag about getting it done in one day by themselves, or how far they travel for jobs. Don’t call me when it breaks, because I don’t work on anyone else’s m-splits.
Yeah man I finished this one in one day mostly by myself. We did go back to install a surge protector. It’s really not sustainable though to do that all the time. If you have a system that sits right outside the indoor unit and an electrician already installed the disconnect and everything was ready for you then it’s doable. That almost never happens though. Most mini splits we have 2-3 guys and it takes us 4-8 hours and we do a really good job
Man get the spyder hole saw set from lowes. It retracts back so that you can slide off the piece you just cut. Don't know why it isnt standard on all hole saws.
Second person to say that so it looks like a Home Depot run is in order
You’re supposed to take the pilot bit out before fully coring the hole. The pilot bit is just meant to keep the core center. Once you get the core started / traced then you take the bit out before fully coring the hole.
Hey, where I can find that adapter for the 3/4 pvc pipe
We buy them from Johnstone and they are the only place in our area that stocks them
If you can't find them in your area then you can search DSH-14-16V online and it should pop right up
Klein has a bit set with a rachet. Perfect for all service valves
Looks like I'm gonna be getting myself one of these
@@SurfBrosHVAC klein mini rachet wrench and Allen wrench set. They don't come together. ✌️
We swage and braze the indoor unit when possible.
Flat head helps to remove plug. Spyder hole saws are the tits. they eject pretty easy
Someone else just said the same thing so it looks like I’m gonna have to get myself a set
I use a flat head as well to remove plugs
Also was that nylog red?
We don’t even carry red. I think just the tip was red. I did a double take while editing the video as well
I hope that is not a load supporting wall.
I walked through which studs I was allowed to go through with him before starting work. That's why I used the hole saw and went through the outer layer of framing on the exterior wall.
Buy a pro press and fittings no more flaring
But what about the studs that you trashed? Why aren't you using a hole saw? Why are you using a hose inside of the wall? Why are you doing this job? Please don't ever do this again!
Homeowner told us it was non load bearing and we were good to do as we did. And we ran PVC in the wall as you can clearly see in the video. The hose in the wall is only the initial connection from the mini split and the homeowner is going to leave an access for that and the refrigerant joints. All this was explained in the video
I could say stop asking for validation and tips in your youtube video aimed at professionals, but this took from 9 till 6 with two/three people? If this is normal in the states I might have to immigrate. I frequently install two of these splits a day, alone. And we braze our indoor connections here. Gotta say you do have some high end tools for a year old business though. High costs for tools, high costs for labour, long installs... no wonder you can't pay yourself much. And nice job on those studs buddy. They're just for show most of the time anyway. Ahum. You do seem to know the correct procedures. Credit where credit is due. Breaking the vaccuum (twice) on a mini split is overkill. Pro tip for (pro) hvac collegue: work on your speed and efficiency. And don't leave your high end tools behind a window in your truck for the world to see.
I think you need a hug
hah, this is not professional at all. Much less professional than DIY videos I've seen. Terrible.