1 BIG MISTAKE All DUCTLESS Owners Make!

Ductless, mini splits, do not operate like conventional HVAC units. In this video, Joshua discusses the biggest mistake, most ductless owners make when operating their ductless mini split. Why is this such a big mistake? Humidity is the main reason. Most ductless unit owners are not as comfortable as they should be when operating their air conditioning. Josh discusses why this is such a big mistake and how to remedy it in this video.

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----------Chapters-------------
0:00 Intro: Mistake ductless owners make
0:42 Ductless Fan Setting
2:09 Two reasons to run in auto
3:44 Mini-splits are oversized
4:17 Advice to ductless owners
5:58 Outro

#hvac #secrets #tips

[trustbuster]

When we put in a large ductless system, the biggest thing we had to learn was to just leave it alone. It has plenty of power to keep up with even the hottest days when you let it do its thing. What it doesn't do very well is rapidly shifting the temp down 15 or 20 degrees. It is sort of like trying to fill a pool with a garden hose. It'll get there but it takes a while. And if you turn the temp way down to rush the process, you'll eventually find yourself freezing to death if you forget to set it back up. You will be much more comfortable if you just set it and forget it, or make only small temperature changes throughout the day.

[cpnmikes]

this makes a lot of sense.. been struggling with how to operate my split system since i had it installed a few months ago.. i came to the conclusion on my own that the AUTO setting was the way to go... good video!!

[jackclouse]

Mini split units that offer heating as well are not really the best heaters, so when your doing your heat load calculations for your rooms, you need to consider the heating side as well and not just the cooling. This is why you will often see an oversized unit for cooling capacity than typically what’s needed because the installer is also trying to meet the room’s heating requirements as well.

[georgepasquantonio]

Thank you
Been running dehumidifier setting and never seeing any water being extracted
Set fan to auto in dehumidifier mode and bang started extracting water
Thanks

[LNMD]

My installer told me to NEVER set it in auto. Why?

[mikep]

Excellent video Sir. The other thing I see with friends who have installed them is improper routing of their refrigerant tube run which creates an oil trap as they do not know. That will cause a premature failure. I am called after the fact

[clint]

The mini split we got has a programmed auto temp and will not let you adjust the temp in this setting. Also if its in cool and the temp is set to 70 it never stops just keeos blowing cold air and the inside temp gets down in the 60s and dosent shut off.

[bettyboop]

I've had my Mitsubishi mini split for two years. There is a large system with iSee in the living room, all other rooms (2 bedrooms and kitchen) have smaller units. When sitting in the living room my feet are always cold, it seems no matter what the heat/fans are set at doesn't reach my feet. I wish I would have gotten the floor model for the living room, at least it would have given heat towards the floor. I've read the instructions many times, but I still struggle with the system keeping me comfortable. I've just set it to Auto as many say to do, also set the temperature - is that all I need to do? Will this keep the room comfortable by my feet and when I stand up? This system was set up by a "gold" HVAC Mitsubishi dealer. Thanks for the video.

[grassmastersllc]

I can't get a set temperature, I'll set it to 70 degrees in auto, cool, or comfy and it just keep blowing cold air down into the lows 60s, only way to stop that is to shut it off.. what's up with that as I read this is a common problem

[alexandershilling]

Hey, I just wanna remind you that we don’t use our mini splits during the winter months therefore we only use it for the summer and I honestly understand the mistakes one time our HVAC guy has made a mistake by not checking the condensate line when he installed our new Fujitsu put in our living room at my house That’s one of the mistakes that I have found. Also, when he went to install our new boiler the guy that was working for him, made a mistake and did not properly secure the exhaust vent. Those are some of the mistakes that I have came across this year and last yearplease make a video on that topic. Thank you.

[kevinsollars]

Can the lead line be to long? 26 to 30 ft

[vivianallen]

Read the instructions! Great advise! Watching YouTube videos like this one helps, too. Thank you

[adbeck]

So I'm confused what did the guy do. Just run the fan and not the ac circulating moist air?

[blujeans]

Ok, first time using my Mitsubishi. I set it to heat-auto and for the first hour or so it seemed fine. I want the room set to 70, it brought it up to 68. Then it only spit out a little warm air occasionally. I left for a few hours - at my return it had dropped to 66, no heat was coming out. Is it possible it doesn't really know what the temperature in the room is? I also tried shutting off the energy saving sensor as well as the economy mode.

[joshuaolander]

I would love to have a user's or owner's manual the mini split was installed three months before I moved in and they didn't leave me an owner's manual I spent all winter trying to figure out the remote control

[SEEMORE]

The Mr Cool has the"dry" setting which I have used before in the room closest to the shower room, and in the dinning room when cooking a lot . Not sure if every brand has this option . In this setting it doesn't take long to pull the moisture out of the air . Thanks for the great help and videos .

[kyleharper]

Mine is on the wall with condenser pump underneath it. The pump wont stop running there is no water

[mojo]

Good video. I changed the settings and it's working a lot better.

[KPHVAC]

Set it to Heat or Cool put the fan on Auto and let it run 24/7 at one temperature!! You can always go up or down a few degrees but it needs to run 24/7!! You can turn it off in spring or fall if you don't need any heating or cooling.

[matthewweatherby]

What about when you have multiple heads/zones on your ductless mini split system each with their own thermostat. Wouldn’t that cause issues when in auto mode (one may want to cool while the other heat leading to error and shut down)?