what to do with excess line set mr cool

That is the problem, assuming facts not yet in evidence. JavaScript is disabled. Both ways of writing it are used here.

164 ft (18000 36000 Btu), 39.4 ft (9000 15000 Btu)

It's been blasting cold air ever since. I have seen many installations, those line sets going up and down and coiled in so many different ways, but they all seems work fine. Do it right or have it done right. Website operating

He is "sizing" the lineset for install. Rene has worked 10 years in the HVAC field and now is the Senior Comfort Specialist for PICKHVAC. I coiled up the whole lineset within one stud bay. problems contact webmaster@doityourself.com. This can be done without kinking it and blocking the flow of refrigerant. Rolls of lineset for professional use are available in lengths up to 164 feet. What If the Mini Split Line Set Is Too Long? I think I found my leak at multiple u-bends on the inside coil. Tip:We recommend doing this directly behind the mounting bracket for the indoor unit. I understand that generally there could be a concern with pooling for vertical coils. Therefore, they require additional refrigerant charge to be done by a licensed technician who is certified to handle refrigerant. The large looped linset was the reason I did not consider Mr Cool.

My condenser and evaporator are basically just on opposite sides of the wall from each other.

But if you want it to work as close to design, with no adjusments to the charge, closer is better. I would not tell ANYONE to cut a lineset that was full. There is no bulge this time around. Copyright It varies by manufacturer. This is the most common solution. This was almost 4 years ago. The closer you get to what the unit is precharged with, the less you have to mess with refrigerant charge to get best efficiency. It is our opinion that manufacturers do this to make sure that a pro is hired to do the job right, in their view.

You have choices for length. In other words, these linesets are for DIY installation and cant be cut down to size. See this page for more details on full-DIY, partial-DIY and pro-installed typesplus brands that offer each type. Usually time for a new capacitor is when there are signs of bulges at the cap or bottom of the capacitor. View our Privacy Policy here. I would have to buy a flare tool and learn to make a sort of good connection. 82 ft (18000 36000 Btu), 82 ft (9000 15000 Btu) And if you have to cut into drywall to retrieve it for some purpose, the bracket will cover the hole youve made.

Yes, seems fine. I always thought rolled tubing was a bit of a hack job.Even hidden in a attic or basement. Other than the fact that I have a leak somewhere that I need to find, mine has been working great, and the install is very clean looking.

Better to start a new thread? Your supposed to use nitrogen to leak test the system and a micron gauge to pull a vacuum. One line set is 25' long and the other is 15' long. Participate in over 40 different forums and search/browse from nearly 3 million posts. The problem with cutting the lines is your ability to make perfect flared connections on the shortened tubing. Prefabricated mini split linesets range from 15 to 100 feet. Coiled up line set makes a good oil trap. For a better experience, please enable JavaScript in your browser before proceeding. This video shows the manual way to do it but be careful!

Bending mini split lineset:Most installations require gently bending the line set to about 90-degrees where the line enters the house from outdoors. Is coiled line set really that big a problem ? Tip:When it will be covered in insulation, you might want to flag the location of the entire lineset to avoid walking on it and to locate it if needed. You might note that there is no exact correlation between max distance and max height difference. RULES for AOP - Owner Assistance and Contractors, The ARPA Zone/Open Membership Discussion Forums, Energy Efficiency and Building Performance Discussion NEW, Carnak Zone/Locked Areas - For Professional Member Only, How To Become a Pro and Rules For Pro Members, Pro Forum: Refrigerants and EPA regulations **NEW, Pro Forum: Residential Refrigeration and Appliances **NEW, Pro Forum: Equipment Recalls and Bulletins **NEW, Pro's Forum: Building Science Discussions, Educational Forums - Open for all in the industry, Welcome to HVAC-Talk's Educational Forums, How to Submit Links, Articles and Quiz Questions, Frequently Asked Questions About Submissions, Physics, Thermodynamics, Fluid Flow and Combustion, Educational, Training & Reference Information, Manufacturer's Technical Information Links, Electrical Theory, Circuits and Electronics, HVACR Equipment, Components & Accessories, Accessories Humidifiers, Air Cleaners, HRUs, Fans, Filters, etc. Max Distance and Height Difference of Line Set By Brands: Pros buy rolls of lineset and cut them to custom lengths, adding the fittings on the jobsite. I'm looking for some advice before starting my mini-split install.

But I checked on their site and it mentions that all of their units come precharged for the included length of line set. Professionally installed systemsare just about the same with one exception they typically do not contain enough refrigerant for the system to run properly. Didn't have any problem finding Mr Cool units available in Canada. If you really want to cut it, get an AC tech to do it. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); document.getElementById( "ak_js_2" ).setAttribute( "value", ( new Date() ).getTime() ); Copyright 2014-2022, PICKHVAC All Rights Reserved. However, full-DIY and semi-DIY installers usually homeowners and property owners want to work with prefabricated linesets. This is the preferred solution for ceiling-mounted indoor units.

Precharged linesets can also be used in most systems requiring pro installation! If your mini split lineset is too long, the best choice is to coil the extra line. Avoid cross threading the brass fittings and torque to specs to avoid leaks. PICKHVAC Terms of Use: Some of the products seen on our site are delivered through a relationship with outside suppliers like Networx.com, Google, and others. PickHVAC is also a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com. This system is meant to be installed by a HVAC technician. Post photos, respond to polls and access other special features. Semi DIY or partial DIY mini split heat pump systemsget that name because they require one difficult step, which some people prefer to hire an HVAC technician to complete vacuuming the lineset or linesets.

Terminology tip:While writing line sets as two words is fine and everyone understands what is meant, it is technically one word lineset. You must log in or register to reply here.

During pro installation, the line sets are customized to the exact length needed before the system is charged with refrigerant. The unit is designed for x amount of lineset. I can't find anything with Google. Tube bending pliers like this one cost a lot less, but we dont have a recommendation on whether they can be used on insulated refrigerant lineset. Here are the common lineset lengths sold online: 15 feet is the minimum, and 100 feet is the maximum. That is amazing information. It's newly designed 3rd generation Advantage Series, with improved 19 SEER efficiency ratings, delivers high performance comfort from the moment it's activated. Questions About Becoming A Professional Member? This makes it easier to access.

This will NEVER affect our opinion of a product or service!

Later I learned of the serpentine install for excess lineset. I am doing my own ductless mini split installation (first-time). Both standard and precharged linesets are sold. Mr Cool also makes a 15' line set, just not at Costco. Uncoiling mini split lineset:Do it slowly and gently. Since when I installed the 3 wire hard start kit, the duration has extended an extra year which makes it a total of 3 years. I have a clogged condensate line that I've poured bleach down a couple. Think twice before you cut it. Many mini split contractors buy precharged linesets to save time on installation. suggestions.

I posted my install comments on the big Mr Cool thread, but my biggest worry with the install was bending the copper portion of the lineset at the back of the evaporator to get it to go into the wall so that it could be coiled up there without kinking it. We welcome your comments and Is there another reason they would leak? Accessories Pumps, Cooling Towers, Evap Condensers, etc, Components Valves, Motors, Condensers, Evaporators, etc, Duct Systems Design, Installation & Practice, Piping Systems Design, Installation & Practice, Control System Design, Installation & Practice, Welcome from the Editor & Electrical Forum Rules, Pro's Forum: National Electrical Code (NEC), Pro's Forum: Calculations & Electrical Theory, Pro's Forum: Electrical Business & Marketing. If you buy a fully DIY MrCool or Klimaire mini split, then you must have a precharged linesetfor each indoor unit. At the time, there was some information posted by Mr Cool I believe that this vertical coiling was fine. Shoot for that. Lets look briefly at both. I am going to buy and install a minisplit for my garage conversion. There is no formula, in other words. DoItYourself.com, founded in 1995, is the leading independent A manifold gauge is used to ensure the system is not leaking. Looking at the MrCool 12k BTU 22 SEER from Costco they have for $1,100 for members. I'm not up on the DIY forum edicate. The refrigerant is still locked away in the condenser. Yes, precharged lines with quick connect fittings. I do not know anything about line set. I couldn't find how much it comes precharged with in the manual. 1995-2022 MH Sub I, LLC dba Internet Brands. Out behind the barn possibly but not on my house! Its not aesthetically pleasing and could be damaged. All information is provided "AS IS." It may not display this or other websites correctly. Just a pump is not enough, you need few more tools and some AC skills to complete the job. I checked on their site and it mentions that all of their units come precharged for the included length of line set. Some indoor units in multi zone systems can be quite distant from the outdoor unit. Coil up the excess but have the coils laying flat, that will preclude the trapping of any oil. Fortunately, it has been running fine each summer. This table shows two specifications from major manufacturers: 2). I read maybe a year ago that this vertical coiling may not be recommended by them now. IF he bought the condenser, evaporator units and linesets as a factory package then the condensing unit should have the proper charge. If leaving it outside is your best option, then consider building a small box to contain the loop, and fixing the box to the exterior of your home. 82 ft (18000 36000 Btu), 65.6 ft (9000 15000 Btu) A little over or under won't kill it. This is why I often state that anything other than the refrigerant connections are definitely DIY but the refrigerant system itself is best left to a pro. What is the average life a of run capacitor? They are fitted with a mini split line set coupling on each end. "One line set is 25' long and the other is 15' long.". Where are they outlawed? About Us | Contact Us | Privacy Policy| Cookie Policy| Terms of Use| Do Not Sell My Info. He holds an HVAC associate degree from Lone Star College and EPA & R-410A Certifications. It is likely they are made for the LG, Bosch and maybe even the Fujitsu maximum lengths, as shown in the Table. Usually it's just completely forgotten about and abandoned, and you're just screaming into the wind. Otherwise, installation is the same. What are the line set lengths sold?

Then, the refrigerant valves are opened, and the refrigerant is released into the rest of the system. Here is the reason for maximum distances and heights: In many applications, the heat pump condensing unit is set on the ground outdoors. to this site, and use it for non-commercial use subject to our terms of use. If the OP has email notifications on, they will get a bunch for a thread that they long forgot about, and have moved on.

(BTU to Sq Ft), Pros of Ductless Heating and Cooling Systems, 65 ft (9000 15000 Btu) The lines are vacuumed, refrigerant is released, and a gauge is used to ensure a leak-free result. The line connections have proven extremely unreliable and have a high leak rate. I would cut it. They told me 10 years ago that I have to change out my AC. Thanks JJinPA for that thought.

For example, one online seller offers precharged, R410A refrigerant linesets in 5 lengths from 15 to 50 feet. Enjoy the simplicities and features of the 12k BTU 19 SEER 3rd Generation MrCool Advantage Ductless Heat Pump Split System. Its important to ensure, though, that the lines are charged with the right refrigerant.

I would not cut it, once you cut it open you will have to recharge the system, do you have a license to do that type of work ?

98 ft (18000 36000 Btu), 49 ft (9000 15000 Btu) The lineset must be connected and vacuumed to remove moisture and air. Is it poor form to reply to an old thread even if the topic is still relevant? You may freely link This single-zone ductless mini split is ideal for rooms up to 750 square feet. This video is tedious and thats exactly how a line set should be uncoiled. Max Distance And Height Difference From Indoor To Outdoor Units, Common Lengths of Mini Split Linesets You Can Buy Online. A forum community dedicated to Do it yourself-ers and home improvement enthusiasts. 100 ft (18000 36000 Btu), 40 ft (9000 15000 Btu) 3 New Construction:If this is a new construction project and drywall hasnt been hung yet, you can place the coil inside the wall cavity.

It is a bit. The lineset is run up the outside wall, into the attic and then down into the zone where the indoor unit is mounted.

We rely on readers like you to share your HVAC system cost or quote. Welcome to the forum, there's plenty of more recent threads available that do need help. Helping You to Do It Yourself! The further you stray from the precharge, the more problems you will encounter if charge is not adjusted. Is "40 / 5 Mfd 440 Volt Dual Round Run Capacitor" for Payne Model #561AJ048-B?

home improvement and repair website. Something to consider when routing a lineset that can't be reused for a different unit. Does the paperwork state how much the condensing unit is precharged with?

My old AC was 20 years old and it was replaced by a new Lennox last month. Mini split line sets can be less than 10 feet to more than 160 feet. We are both guilty of this. There are two reasons to bend lineset unbending the coils to make them straight, and bending the line as it changes direction during installation. The precharged lines arent a good idea, they usually leak at the connections. IMO, the Mr Cool precharged lines are fantastic for the DIY homeowner (and a heck of an engineering feat). Heating, Cooling, Air Conditioning, Ventilation and T-Stat Controls, Slow bathroom faucet with nozzle that can't be removed and cleaned, How to go about the diagnosis of partial partial power outage, Moldy smell coming out of back of Daiken mini split ductless. I have a dual zone unit so there are two air handlers with two ac line sets. Those are complete line sets with flare nut fittings, ready to be installed. 164 ft (18000 36000 Btu), 33 ft (9000 15000 Btu) The Fora platform includes forum software by XenForo, 12k BTU 19 SEER MrCool Advantage Ductless Heat Pump Split System 3rd Generation - 230v, 12,000 BTU 1 Ton MRCOOL ADVANTAGE Series Ductless Mini Split Air Conditioner and Heat Pump 19 SEER - 230V/60Hz - Payless Mini Split, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. JavaScript is disabled. Your a tad late to the party.

165 ft (18000 36000 Btu), 49 ft (9000 15000 Btu) 50 ft (18000 36000 Btu), 66 ft (9000 15000 Btu)

It isnt like wiring that you could cut and splice, so attempting to cut and customize the length is not a good choice. Slowly and methodically. I recently posted, AC line size question but I may have been looking in the wr What is the rule of thumb for determining how much R22 refrigerent is needed to We just moved into an apt in Seattle with mini split.

To ensure proper performance, a lineset cant be too long or rise too high. Were talking about ready-to-install linesets, not rolls of lineset that must be fitted with connections on the job site. Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! 2 Outdoors:We dont recommend hanging a loop of refrigerant lineset on the outside wall without covering it. Each manufacturer sets minimum and maximum line set lengths for their mini split heat pump systems. Questions of a Do It Yourself nature should be 1 Attic:If you are running mini split line set through attic space, its easy enough to lay the coil, aka loop of lineset, in a safe place where it wont get damaged.

The outdoor units come with enough refrigerant to flow into the lineset or linesets and the indoor unit coil. You're replying to a 5 month old thread. These are used in two types of systems, semi DIY and professionally installed systems. It's under warranty, but I'm going to have to remove the lineset in the wall because there is no flare connection as far as I remember on the DIY indoor unit. So much so theyve been outlawed in some areas. All rights reserved. For a better experience, please enable JavaScript in your browser before proceeding. I thought the installation of a 3 wire hard start kit would eliminate the need for capacitor replacement? There are kits available specifically for kink-free bending mini split line set, but they cost $125 to $200. I will get a new capacitor tomorrow and will find out if it is the capacitor or the fan motor. But I would apply Nylog to make sure it doesn't leak.

These line sets have flared ends with lineset couplings in place, ready to install. You are using an out of date browser. However, I noticed that I have to change out my run capacitor every 2 years. You might have an option based on the mini split you purchase. Gain access to our free AOP (Ask a Professional) Section to get real answers for your questions.

This is the MRCOOL 12k DIY model, which comes with a 25'. Although the maintenance guy cleaned the coils , inspected and saw no mold the smell continues and it is causing asthma, Because we are renting we can't bring in an ac service company.My husband sprayed vinegar but no change. Glad I didn't patch the drywall yet, but now that the DIY is no longer DIY, I would really rather run a permanent lineset in the wall that is the right length in case repairs are needed again in the future or I just want to install something new. The system is designed for 30ft. Maximum height difference between the outdoor unit and indoor unit. Does anyone have a list of the regions in the US where they have been banned? submitted to our "DoItYourself.com Community Forums".

Interesting. I have two questions:

The precharged lines were very easy to connect. I guess I am wrong. Bending and Unbending Mini Split Line Set, How Many Square Feet Does a Mini Split Cool? It really helps other visitors to estimate the cost of a new HVAC unit. Where could the mold be?thnx. These things would have showed the presence of a leak. The #1 question asked by NEW MEMBERS. Enter Our Dog Days of Summer BBQ Giveaway Now!

But the question you might be asking is this:How long are line sets available today? On the other hand, if he bought a factory unit with linesets included BUT decided to use different linesets with a total length different from the total length of factory linesets THEN he has a problem. What are the Maximum and Minimum Length of a Single Line Set? Components Coils, Heaters, Motors, etc. Ask Our Pros-Owner Assistance - NO DIY advice will be given.

I helped install a Mr Cool recently. We may or may not be compensated for purchased you make as a result of our recommendation. He is not cutting a charged lineset. 98.4 ft (18000 36000 Btu). As you shop for mini split line sets online, youll find two types, precharged linesets and standard linesets, which are also called non-charged linesets.

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