DIY Mini Split Install: Mr. Cool, Multi Zone System.
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- Опубликовано: 9 май 2024
- mrcooldiy.com/. I install a multi-zone mini split system, that can heat, cool, and dehumidify.
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#mrcool #minisplit #heatpump #farmlife #farmcraft101 #farming #farmer 
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Forgot to mention, my second channel is Farmcraft102. This was a great addition to my shop. Installation was definitely easier than expected. My only critiques are that I wish the base was easier (maybe I should have looked into getting the wall bracket), and that I wish they sold a reasonably priced pre-filter for my dusty shop environment. Minor critiques, the base wasn't that bad, and I'll just build a pre-filter box. Have an awesome weekend everybody!
The thing about most multi split systems is they use inverter technology. Becsuse of this is the unit only uses the amount of cooling capacity that is necessary. Even tho it is a 2 ton unit if it only needs 1 ton to do the job the unit will effectively become a 1 ton unit by slowing the compressor using the inverter technology thereby using only 1 ton worth of electricity. One of the many advantages to a mini split system. It is like having a gas pedal, it throttles itself according to the needs of the area. Very cool. (no pun intended. Lol)
Thanks for the upload, as always! What the heck is up with like a 10% dislike in 30 minutes? you got some mad people at you or something for being too crafty and awesome?
What's your second channel called?
@@jcusak Yeah, I heard "second channel" and I'm over here searching, too.
@@thadkissick same, cant see link anywhere :D
ok its
FarmCraft102
"I don't always trowel concrete, but when I do, I wear Crocs and pajama pants." ~ Jon
LMAO
Is there a video so all of us can watch 😂😂
@@bombardier3qtrlbpsi 22:10 in the video.
My daughter was watching with me and said "Dad he works in Crocs too".
Thumbs up for this alone!
Oh that teaser at the end! Also, Dozer is getting big!
A note for anyone subject to code compliance, or expecting to be in the near future - officially, you need a disconnect and outlet within a few feet of the outside unit. Generally people use conduit or romex through the wall into the back of the disconnect, and then an "appliance whip" from the disconnect into the compressor. Not a safety issue per se, I believe it's so that anyone servicing it can be confident that power is off.
Also, good call-out on testing for leaks in heat mode - the pressures overall are higher in that case, IIRC.
Yeah, seeing that cable penetrating a wall not into a box gave me a bit of a shudder. Even more when I realized the missing box would be the disconnect. Oh well.
Is the outlet supposed to be on the same circuit as the disconnect/compressor?
@@fakename287 officially no, so service equipment can still be used. I ran conduit for my install with both circuits inside.
The need for an outlet near the equipment is for service tools… in these modern times of battery based tools the outlet just really isn’t necessary. Even the vacuum pumps for pump downs run on batteries. However most codes will still require an outlet on s separate circuit.
Spot on @karlanke...the exposed cabe with no disconnect was not the way I expected Jon to go....after watching countless hours of FC101 and seeing Jon always go the extra mile, I was pretty surprised at this.
Like a right of passage. Every RUclips channel needs a Mr Cool commercial and another for those damn battery/inverter units. Glad to get this out of the way on this channel.
The hammer drill joke was good 😂
For the benefit of other viewers when drilling joists always use the middle third, not the top or bottom thirds as this zone carries less stress than the other two.
"If the women don't find you handsome, they should at least find you handy."
Red Green would love you for that comment!!
As long as they can find you....
Haha we used to say “there is nothing more permanent than a temporary fix “. All the best - good job!
You might consider putting the external electrical wire in conduit. The environment you live has a lot of critters that will think anything soft is food. Nice installation, it will make time in the shop much more enjoyable. KOKO!
I used to come for the seals. Now I'm all about the goats!
Wrap the white wire with red tape. 240 volt circuits should be red/black. Someone unfamiliar could confuse it with a 120 volt. I know, doesn’t make sense but I have seen it happen many times. 😊
An issue you may run into by running 4 tons of cooling in such a small space is humidity. You probably don't have a lot of humidity there, unlike here on the gulf coast, but if you cool it down too fast what you'll do is go from 10% humidity to like 80% very quickly because the system won't have time to suck out all the moisture. You might end up with mold growth.
OMG the excavator teaser at the end!!!!! John is the man
John. Most (all I've seen/installed as an hvac mechanic) of those split systems indoor units have cutouts for the lines to come out the side or bottom so they can be mounted to a wall without needing standoffs.
I’m a big fan of the mini-splits, I bought a different brand offered local to my state with a multizone setup combined with the old central hvac. My HVAC was not keeping the house cool during the summer months very well, but the cheapest price I was offered for replacement/repair was double the kit cost for mini-split. So I bought the kit and installed the ceiling cassette style in the ceiling of the living room, kitchen, and master bedroom myself over a week after work. That was 8 years ago that I installed those and the system still works perfectly. I did have to vacuum out the lines with my DIY kit, but was able to rent a a/c pump and gauge kit from auto parts store. I set the mini-split to my main temp temperature and the old HVAC to a few degrees above and it rarely ever comes on to aid the mini-split. I can’t remember the last time I heard the old hvac come on.
Not sure if anyone else mentioned it, but Jay Bates had a good video on making a pre-filter for his unit in his wood shop. Great video!
I installed a mini split in my barn and looked at the Mr Cool DIY option. You pay a lot for the special pre charged lines. An Amazon bought vacuum pump was a little over $100. So I did with less expensive mini split. You need the vacuum to take the air out of the lines. The coolant is in the compressor and you just turn a valve after to release it into the line set. It’s been working for almost a year.
Having your own sawmill means you have the nicest looking form boards ever!
I've had my mr cool for over a year and I couldn't be more happy. I went with the 36000 btu system and was able to install it by myself over a couple of days.
“Alright. We’re done here. I need to find something else to work on now.” 😂 pay no attention to this foreshadowing lol. Excellent video as always!
John.
Love the show and your low key style of delivery. After watching your AC project I thought you might get some flash rusting on your machines with that much cooling. I use a product called Dry Coat Rust Preventative. Just spray it on the steel surfaces and it dries fast to a clear coat. Stops rusting 100% , or as you say “ a good seal” .
JC
The most exciting part of my work day is watching your videos!
I installed one of these in my old single level home as it was not plumbed for Central Air. I have nothing but positive things to say about it. I had the 18k btu unit for a home just over 900sq ft and for the 6 years I lived there it kept the house very comfortable all winter and summer. I worked from home the entire time and ran it basically 24/7 and my elec bills were always at or below the average for those in similarly sized homes around me. I would 100% buy one of these again if the circumstances warranted.
just wondering, do you use the split for all heating and cooling or do you still run a furnace and maybe a window ac? what is your average electric bill? Im in New England, NH, we have the highest electric rate in the us. would love to have solar farm.
@@adam03110
I'm not who you asked, but I have a smaller unit that I installed last year. I've seen my electric use cut in half if not 1/3. I'm in Alabama so the cooling is priority. I did use it for heating for most of the cold weather down in teens and close to 0° F some nights. This is cooling/ heating 12'x26.5'x9' cabin with minimal of R19 insulation.
My electric usage was less than 500 KW a month before now average maybe 200 KW. My next step is installing solar to unplug from power company.
Never knew I needed Norwegian goats until today.
Mr. Cool - THAT'S HOW YOU SELL UNITS! This was one of Jon's best single videos so far. Sorry, my favorites are still the multi-part series... but what a great way to showcase the ease of your product's installation... and that trick with the pre-charged lines is AMAZING.
OMG, that mini roll trick for tape is going to be a LIFE SAVER! Alright, that's hyperbole, but it's a really cool trick that I've never seen in my 45 years on earth.
Also useful with a pencil and teflon tape to get around threads that are close to a wall
Subtlety and sarcasm are 2 of the reasons i watch this channel. also...the occasional Metal outtro is kinda cool🤘
That teaser at the end was perfect!
At this point, if you haven't put "Don't Worry, It's Only Temporary" on any of the stuff you sell, you're missing out!
Or, “It’s only temporary unless it works “ lol
Thanks for another great video Jon. I am an all rounder like yourself and I enjoy learning from your posts. Some tips regarding concrete plinths. Tapping the formwork early with a hammer helps get rid of air bubbles and improves the finish off the form. Instead of gravel you could have used higher formwork placed directly on the ground with some blocks or bricks inside to reduce the concrete volume required. A day where you don't learn something is a day wasted IMO.
Ok John you did a great job. So lets look at a few things that are the basics of heating cooling units no matter the system you are using. You have to have a disconnect at the outdoor unit. Code required. Your breaker location can't be seen from the unit. The next thing, the vertical loops in the line set at the outdoor units. They are oil traps and huge. The compressor pumps refrigerant as well it's oil. Your frig and freezer and house a/c do the same thing. You get a leak and the compressor keeps pumping but now doesn't have what it needs for oil return. Guess where the oil is. In those big loops. Locked up compressor with no oil. You willing to chance it. There is not a gallon of oil in the compressor. In Hvac world maybe less than 16 oz.
Thanks for taking us along on this one. oh and masterful set up for the "next" project.
You are one of three RUclips’s that I watch that I check the thumbs up before I even start the video
Hammer drill ha ha ha lol
Mini roll of electrical tape!!! Genius!! Thank you!!!
Dozer didn’t hike his leg on your install, so you did great!
Hammer drill… I love it.
You’re cooling problem upstairs. I wonder if it could be a problem with “heat compression“, that is where an attic space heats to the point where it progressively produces radiant heat through the ceiling and heats the space below. Improved convective ventilation, or forced ventilation could possibly relieve some of the excess heat. It’s no fun trying to read a tape measure with sweat running in your eyes.
I installed a 18K do it yourself Mr.Cool mini split last summer. Has worked great and installing it wasn’t too bad.
Heats and cools perfect. I built a unistrut bracket for the condenser to sit on, to keep it off the ground about 2 feet. Also I bought a plastic cover kit to conceal all the lines on the outside of the house.
You're the third RUclipsr to install heat pumps. I have seen 🐿️
Enjoyed the “aging wheels” style time-lapse.
in 1980 when I built my house, I ordered a complete precharged 5 ton split unit from Sears. Not really a typical DIY, but doable with a little duct and electrical knowledge.
Your work ethics and knowledge make EVERY project look easy
Love John’s videos. He’s a hard worker, very widely talented and interesting to watch/listen to.
I love my MrCool unit! Easy to install, super efficient! 2 years running with no problems! Just make sure you clean it every once in a while.
You should have a disconnect outside behind the condenser unit. Use sealtight between the condensor and the disconect to prevent rodents from shortening their teeth on the conductors.
John. Don’t get beating yourself up about how you mounted that main unit. You did a great Job. I knew an old couple who got paid a great deal of money getting one of these things installed, one time and they didn’t do any better than a few rough old house bricks as a base.
The guy who did the fitting didn’t rip them off either. Had one hell of a new Tesla though, all the same.
I forgot it was Friday until I saw John's video!
Those little goats are beyond precious
I never realise how long I watch this channel. From the era of canon and giant wood Lockpad. At that time I was learning english, and still not good with gramatics kkkkk
Contractor wanted 18,000 dollars to do this same type of system in house ,yea screw that im looking into doing this instead , thanks for the information !
Great job You obviously have numerous skill levels.
Excellent content. I can’t even imagine the effort you put into your channel. Look forward to each episode. Really liked the car giveaway to that young lady, maybe another one? Thank you for all you do. Blessings. That’s all.
Splendid job John I installed a much smaller system many years ago and it is still working well I was quoted £1300 and so a unit was advertised @ £250 plus £20 for the Trunking for the line so you took the right decision for DIY job as I did.
John. I absolutely love it ,”hammer drill “ lmao
Thanks for taking us through the mini-split installation. It'll be helpful in the future when I help my sister install one in her house.
Glad to see it worked out so well.
Cheers from Oregon,
Philip
Man, Dozer got big! Thank you for another video!
I very much love your channel and content. Been watching for years. This project was a piece of cake when compared to fixing the mechanics on the heavy equipment (tele handler, bulldozer, etc) …. and you’re right that concrete slab “isn’t going anywhere”. Most ac contractors would have considered those concrete block you had as over kill.
Been thinking about getting a heat pump for my shop once I have it finished ... This kinda sold me on Mr Cool.
Love your content. You explain everything so even a dunce like me can understand. Thank you
John as always well done and it’s fun to watch and your sense of humor is impeccable
I would caution you to pay very close attention to your condensate water lines running from the indoor units to the outside. They are the biggest cause of trouble with these units, from my experience.
The lines are small, and the ribbed texture collects water and encourages algae growth, clogging the lines.
Especially if the unit doesn't run consistently (like your wood shop), you should consider an inspection or cleaning for algae to be a regular maintenance item.
You can put an algae tablet in the unit to stop all that.
I'm impressed by MrCool. Looks relatively easy to install and high quality.
Dedication and down-to-earth approach make you a favorite. Congrats!
Not a single seal got split in half, great video man!😂
The Nigerian Dwarf Goats are ao adorable Jon to cute 12:46 @FarmCraft101
49:28 - The mini electrical tape roll on the socket.... Brilliant. ty.
Nice job Jon. BTW, Freon is R-12. Those units don’t use R-12. Just saying “refrigerant” is more accurate 😉.
31:21 Glad I'm not the only one that says "No leaky leaky!" lol, I work maintenance at a condo, so I say it quite often.
Great video, anyone could follow you and install their own unit. You’re a great teacher .
Dear Jon - please don´t push yourself to hard to get us video content every week! Last Video you saw it yourself - getting hurt by the woodstump cause you didn´t wear gloves to protect your hands! And where did it come from? When people are stressed or tired they become careless!
Love all your content , doesn´t matter if 101,102 - or guncraft , but you should also find the time to rest a little bit and enjoy your life - What I´m trying to say is that it won´t hurt anybody to wait a week or two more for a video where we can find you
healthy and entertain us with your incredible talents - Best Farmer on the planet
This comment really should be at the top!
@@swede178 Oh, good grief!
Shut the hell up. You safety commies get on my nerves! Get some rest? Millennial BS!
Once again, I am learning every time I watch your videos. Thank you for the great ones the mini electrical roll lifesaver.
I was just looking at DIY installs of mini splits yesterday before pulling the trigger on buying one! Good timing.
No drama! Wow! Nice job!
John, this was very informative. We are considering a mini-split system for the second floor of our house. This video will help me determine our requirements, even though we're having an HVAC tech do the work. Excellent. Much appreciated.
Hey John. This is Jason watching from Toronto. Long time viewer. Just wanted to say love the channel and the humor. Don't change a thing. Also just subscribed to your 2nd channel. Thanx again for the great content
Thank you Mr. Cool Good for you John I'm excited for ya.
We had a mini-split installed in our garage and our FROG, which is where i spend most of my time. The one in the FROG is on the wall with the atic on the other side. (I had the HVAC guys do the install.)
They ran the refrig, electric and drain lines out the exterior wall and down the outside wall. In our case, we don't have a roof to worry about the lines going through, so we don't need to worry about leaks. They did a good job of sealing the holes in the walls.
Yeah, we paid $12k for about a 3-4 ton unit with install. The original one was a Samsung, which seemed to work very nicely, was very efficient and had tight thermostat control. Until it didn't.
We had a new, less-expensice HVAC company by then, and they worked hard to repair it. Unfortunately, they replaced every single board on the unit , but it still wouldn't work. They had to call Samsung in Japan and discuss the troubleshooting each time. I suppose there was something lost in translation. And apparently they'd had similar poblems with other units of the same brand.
To make a long story shorter, they ended up replacing the entire system, basically at cost 9f the system. In orher words, they did the install for free. It took several guys 2 days to pull out the old one and put in the new one. This time, they used a Motsubishi, which they've have better luck maintain8ng. Now, years later, it still works, but the temp control isn't as tight.
Good luck with your system!
Cool...Mr. Cool...Mini split... not forced. Love these things. Even an energy rebate in my area.
Jon, you are the guru on top of the mountain!!
FC101, looks like a professional job installing the Mr. Cool System.. will keep ur butt cool in the summer and warm in the winter. great job..
Coming along nicely Jon The Conduit covers Look really clean 32:55 @FarmCraft101
What a great video, loved the in-depth look at installing this machine.
Looks like a great product, thank you !
I think you did a great installation Jon great video thanks
You will definitely like the mini split over the window units.
I've installed a three of these (one under the supervision of an HVAC tech and two myself).
You will want to keep an eye on the filter, generally you want to clean them every 30 days, more often in a shop. If it ever feels like it's not working as well as it did, it's probably the filter.
You will want to keep the condenser clean as well, I generally hose them off with just plain water ever spring. There are cleaning chemicals (for both indoor and outdoor) but I've heard it's best to avoid those unless it's absolutely necessary (things are really dirty).
The indoor unit on the mini split is a great place for mold to grow, you'll want to keep an eye on that. You can get inhibitor sprays and some units you can get a UV light (I've never tried one).
The line set isn't charged with refrigerant, it would have a vacuum pulled on them. When you install a traditional mini split you connect the line set purge and leak test with nitrogen and then pull a vacuum on it.
The best way to run these units (for efficiency) is to set the temp and just let them run. Granted in your downstairs shop you would not want to do this because you'd just be heating/cooling outside. Your best bet (for efficiency) in that case is to insulate the shop. Heat pumps don't do well in the "only turn it on when I need it scenario." In your upstairs shop (which is insulated?) I'd set the temp and let it run. You can use auto mode to go from heating/cooling as needed but I just switch that manually in my shop, for heating I set it at 68 and leave it be. For cooling, I set it at 72 and leave it. It's more efficient (for a heat pump) to get the space to a set temp and maintain that temp then try to take a space that's 80 and bring it down to 72. If I'm going to be gone for a bit I will bump the temps to 65 (heating) and 75 (cooling).
The coil of excess line set is the number one reason I don't like these units. Fine on a shop I suppose it's ok but it's generally makes for an ugly install (in my opinion). When I installed the two most recent units, my HVAC guy flaked out on my so I broke down and bought all the tools needed to do the install. It was ~$1,000 worth of tools but since it was a traditional unit I could trim the line set to just the right length. Plus I have to tools if I need to install another one, or do a repair.
This was a great video! I've always wanted to install one of these systems, but was a little unsure. Your video makes it super easy to do! I'm going to order one! Thanks!
Thank you Jon for another great one!
Condenser Drainage may benefit from a Gravel pit receptacle... Nicely Done, Thx for sharing.
You always make a very professional job of whatever you do,great video !
Jon, Thanks for the install and review video. Of course I would have made the same (probably more) mistakes, but you conquered the beast! That really is a nice system and (as you said) very well engineered. I’m thinking about getting one for my garage and would record it if Mr. Cool would like to help me out as I’m retired military and on a tight budget! Anyway, They really do seem to be nice units and well thought out. A neighbor of mine was asking what I would recommend for his garage and I told him to check out the Mr. Cool. He’s not very mecanically inclined, so I offered to help him if he does…haha. These Mr. Cool Units are another wonderful innovation that was invented and has becime popular during ny lifetime. Big Congratulations to them and to you Jon for getting one for your shops!
Very interesting!
Also I did not know that the heat pump can cool and heat!!!
The Dream Collab, Farmcraft and Technology Connections talking about Heat Pumps!
As always - pure gold. I wish I already had this before I installed my own.
Great minisplit video. I have them throughout my house. Put up the video of when you make an air filter for the shop minisplit, I have one in my shop and need to do the same thing. Thanks neighbor.
Good Job Jon.
Nice job John. Thanks for sharing.
I have recently had a bad time with Mr. Cool trying to get customer service to help me with broken units. In the past they were decent with repair and diagnostic help but in the last few months they have dodged phone calls and emails and generally been worthless. That being said, the units are cheap, easy to install, and decent for the price
Thanks Jon, helps a lot.
Looking forward to "quick and easy" excavator repairs.
Interesting that you can do these installs DIY, in most of Europe you need to be certified. It adds cost but saves the environment from DIY klutzes.
OK Big Jon, Another video of fine content and very good editing. A couple things I thought about as you went about your installation. 1) Back in 1978 my Mom and Dad put together the plans for their retirement home. It turned out to be a 5,000 ft^2 brick house with a full basement and attached garage. Dad asked me and my older brother what he should heat it with since there was no natural gas. Dad and Brother decided to go with air-to-air heat pump doing double duty as an ac unit. I wanted geothermal. Dad had a well drilled that turned out to be "salty" to the taste and didn't use. The well driller went way way down deep and passed good tasting water and had to drill another time to get it right. So, to this day there is a wellhead for anyone to use if you don't mind a little salt taste. It could have easily been used for a heat pump. I remember being over at Dad's when it was -10°F and watching the steam come off the thing as it did it's defrost. Dad commented that doing that also costs money. So Dad duplicated my "passive" wood heater setup I had down in his basement. He got a mason to put in a flue in the same chase as the double sided fireplace and had dump trucks of firewood dropped by the basement windows. He paid 5 grandkids 1¢/ log to throw them thru the window. That worked for about 17yrs, then the heat pump took a dump. After rebuilding it Dad was not happy. He figured it hadn't paid back the extra cost of having the latest and greatest heating and cooling system. He decided to go with high efficiency Propane for heat and he quit the wood heater part altogether. So, even though the house had tons of extra insulation, code for Michigan electric heat, and he had a senior citizen discount on the electricity, he went to all that extra to make his air-to-air heat pump work. Moral: I sincerely hope things are better these days. Mini split systems weren't around back in the late 70's. And Dad was not poor, he just didn't like being wasteful about things, and using so much electricity bothered him. 2) I had a friend who's kid worked in heating and cooling. He got me a 4 ton AC setup for about $900. The compressor, A coil, tubes, electric box and a plastic pad to put the compressor on. So, unless things have changed pretty drastically, it sounds like the company you dealt with is cutting out the middle man, but giving themselves a bigger profit margin on sales to DIY'ers. It's pretty nice to have someone in the business who can provide wholesale prices, and if needed can lend a hand. Although he said he'd charge me if I needed him. Ha. OK, I've said my piece, let the trolls take it from here. ben/ michigan