Haven't used for heat yet, but cooling works great. I overwired the 2-ton install specs in case I ever want to flip the dipswitches to 3-ton, Ill have the needed wiring for that capacity in place should I want or need 3 -ton. When the outdoor unit is in heating or defrosting mode, it must drain water. Use all of the installation parts and accessories to install the air conditioner. 1. It is pretty unlikely that your real heat load is near 4Tons. Our old heat pump bit the dust back in April so I've been running it on auxiliary heat (resistance heat only) to fill in the gap as the wood burning season ended. I'll see if I could find out. Hi, Raul. I believe most ducted ASHPs tend to have lower available static pressure, which would be important in a retrofit situation like yours where you can't design the duct work to the unit's specs. I've not been impressed with their tech support so you may want to purchase from a reseller like Ingram's who will provide better support. Appliance Overview Unless otherwise stated (as OPTIONAL) the air conditioning system includes the following accessories. I hope this helps with your decision. The air handler is in a 32" tall crawlspace, so room was tight. 3. The air conditioner is buzzing when operation begins. I'm in cz5 as well, and would feel comfortable running that as my primary heat. I only had a photo of the AHU partway through the install process, but it'll give you an idea of orientation. This is for the entire house both units. When the unit is turned on, it purrs. Thanks I was looking at that too but it's not available yet. I bought a 3/4" tube bender on Ebay to handle the bends, which was essential. It'd be great to hear about your install; post back when you've got it up and running. It was only slightly more than an AC only unit and I figured bonus of it could run my heat instead of my older, but perfectly working gas fired hot water baseboard heat. There are obviously some differences that you and they should make them aware of. Whatever thermostat you choose will send a signal to the outdoor unit based on indoor temperatures. (Literally couldnt afford my house here today, got lucky buying a few years back). Any idea on how the actual energy consumption compares to your projections or to your old unit? I'm looking at this unit too. I am using a linset that I will be flaring myself seeing as I have the tools and a bit of experience. Unit Installation Conventional Line Set Installation Pipe Bending 1. conditioner. I mention it because I couldn't find much about that part. I heard by the way that they are Media units, not Gree, but who knows.. Nick, I believe youre right about the minisplits being Midea, but I think it depends on the line. It's even more reassuring that it's able to handle a midwest winter. 2.4 15.75 400mm 19.69 500mm 11.81 300mm mrcool. I have been on the fence about a Mr Cool mini split. air handler MDUI18024036. I was considering a Mr. For me, that translated into long term electricity savings that would wipe out whatever up front savings there would be on the initial install of a DIY Mr Cool. 3. nov-dec temps have dipped to the 30s and are closer to what winter normally looks like. NOTE: 0 means position dip switch to on, 1 means position dip switch to number. It was super helpful. 2. I figured I'd post some pictures to show and give folks an idea of a horizontal install in a crawl space. Im located in Fairfield county so that carries its own "Fairfield Tax" because of the assumed ability of everyone to pay up. I have seen Mr cool all over the net, But is the brand OK? Cool Signature Series 95% AFUE Gas Furnaces, Mr. One thing I may not have mentioned is the capability of switching between 24k to 36k btu. This results in a short blast of cold air coming from the ductwork. After running it for 24 hours, I shut it down and rechecked all the connections on the precharged lineset and there were no leaks or bubbles with the soapy water. The only thing I could come up in terms of the performance differences was that maybe they're accounting for some possible differences introduced by the precharged lineset? This will be used for around 400 square feet so its only a 1 ton unit. Cool 3/8 No-Vac Coupler + 3/4 No-Vac Coupler for No-Vac Linesets, Mr. Unit Installation Conventional Line Set Installation Pipe Flaring Step 3: Flare pipe ends Flare nut Proper aring is essential to achieve an airtight seal. On another board, I saw that someone had routed their lines through the back knockout. Initial quotes I have gotten from HVAC companies are in $15k range for a 16Seer 4ton unit. For example, if it takes 20,000 kWh to heat a house from Sep-May with electric resistance baseboard heat, and electric resistance heat has a COP of 1 (efficiency of 100%), then a heat pump with a COP of 5 at 47F should be expected to use around 4,000 kWh to heat that same house during the Sep-May heating season. Please wait for approx. Installation Space for the Circuit Breaker, Easy to Clean Metal Filter Protects Against And if I don't have to have a potentially explosive gas furnace outside my house, I'm fine with getting rid of it. Defrosting process will generate some water, which will turn to vapor. Incorrect installation may cause serious damage or injury. 2. Did you measure your TESP for your ducts before swapping? Toasters, microwaves no problem. I would guess they make the universal unit as well. There is one return in the hall that goes into the unit and the duct work is all hard pipe. 2. 4. If you have oil fill up data, I would run through the calculations here to size your system: https://www.greenbuildingadvisor.com/article/out-with-the-old-in-with-the-new. For a fairly competent novice like its seems to simplify the job. Safety Precautions Appliance Overview 1 To Our Customers; Thank you for choosing a MRCOOL home HVAC product. The metal squirrel cage fan on the air handler is also quiet. Secure the former ones with large clamps and the latter ones with small clamps. They are not really 100% on anything with this unit. I'm trying to understand COP. Spoke with ingrams too on Friday and they don't have an ETA. I am not completely new to electrical but the HVAC wiring pieces are where I am most concerned. Good luck with the project, and let me know if you need anymore photos. Thanks for the update and description of each photo. Your explanation is super helpful. It certainly wasn't something I'd use for day-to-day stuff, but it worked well for the handful that I needed to make. Make sure the unit stands erect and level. This looks like it is going to be the way of the future. Improper installation may result in water leakage, electrical shock, re, or equipment failure. The complete source for building, designing, and remodeling green homes. Similar but the performance specs are a little different so I'm not sure what differences there are. If that's correct it makes sense but I don't get the charts min and max COP numbers as they look reversed to my untrained eye. The FLEXX is ideal for add-on replacements and new construction with ULTRA heating & cooling capabilities. I'm also not willing to take the risk of bending by hand so it'll be great to see that tool. Also, I'm jealous of all that space for mechanicals. There are lots of sellers of the same type; here's one example: https://www.ebay.com/itm/-/324754969711?mkevt=1&mkcid=16&mkrid=711-127632-2357-0&media=GMAIL. Even though we're both cz5, it just doesn't stay cold for the same amount of time out here. 2. Im leaning heavily towards the same equipment after getting a $15k bid for a 24k-btu Daikin, so any cold weather performance insight you have would be incredibly helpful. I currently have a 4 inch Honeywell filter installed. Using this with existing ducts since I dont really have the time to revamp my design right now Is also a nice touch. Cool Universal Series 15kW Heat Kit w/ Circuit Breaker - MHK15UUse discount code BECOOL at check.. Mr. Install was straight forward. A few things to consider: I installed a Mr Cool DIY unit this spring. If the pipe is repeatedly bent or extended, it will become hard and dicult to manipulate. You must be a magazine subscriber to access this feature. Both the indoor and outdoor unit are super quiet compared to our previous equipment. What is bugging me is reliability, parts and warranty as homeowner install. Cool does a great job marketing their stuff, but I think sometimes that creates a bit of letdown by people that don't know how to interpret the numbers. Im at 0.494 on my current system, and had considered the High ESP model, but the long wait time seemed too much. Last week we saw consecutive below zero days and we've been hit with 36" of snow in a 2-3 week period. The more important metric to look at with winter lows is the heat pumps max btu output at those temps. Power must not be connected if the installation work is not completed. Here's an Intertek test report on their website: https://mrcool.com/wp-content/dox_repo/CERTs/mc-uni-intertek-tick-cert-20GZK1212-01.pdf. Please check product description or call our sales support team if you have any further queries. I didn't realize that you're currently running it at the 3-ton mode. In the real world, does it actually put out these btuh at those temps? How about just getting two short pieces of 1/2" insulation and wrap the lineset since the Mr cool is so thick? Use wire clamps to secure the external covers of connecting wires. After removing burrs from cut pipe, seal the ends with PVC tape to prevent foreign materials from entering the pipe. Cool No-Vac 15ft 3/8 3/4 Precharged Lineset for Universal Series, Mr. I did, not a big deal. I get that they have different compressors, and that the MrCool isn't quite as efficient, but at the IWAE cost and doing the install myself, I can afford to get a PV system much more quickly than I would if I purchased the Daikin. 2.15 MRCOOL Universal Series DC Inverter Existing Air Handler in house must be 410 air handler and 410 TXV Bioflow valve Accessory copper 90 pipe Q+y*2 must have 410 TXV Bioflow valve Purge with Nitrogen Must install filter drier bi flow with this installation type Weld joint Air Handler WELD Type Complete Unit Replacement Fig. Appreciate the feedback. Ill take a look at last year's therms on my gas bill and post in a bit. Can you also post a pic of the specification placard on the condenser? 2.3 inches () millimeters (mm) B 9. Thanks. so I can forward your info along to him. Sheath the pipe with insulating material as necessary Copper pipe 3. I have 3 years of data so far. Below are settings for the dip, switches (found on the indoor main control board) in order to adjust the fan to each of the, speeds for the 2-3 Ton unit (For the 4-5 Ton unit, please refer to the following page) . How does that stand up to an old heat pump? 1085 / 620 mm mrcool.com Depth (B / E) 16-7/8 / 15-1/2 in. I need around 30k btu for heating and 13k for cooling. It helps to see the scale of the components. Unit Installation Conventional Line Set Installation INSTALLATION METHOD Connect the refrigerant lines to the unit rst. If I had to take a stab at it. If you're willing, please contact me at my email address: zewt (at) hotmail (dot) com It kept the back office really cold, I know that. As far as longevity, time will tell. I had also invested in in a quality flaring set, nitrogen tank, and multiple gauges including a micron as I needed all this for my fujitsu install. Insulators must be clamped securely; otherwise, electrical leakage may occur. How does the Mr. If the outdoor unit is installed on a solid surface such as concrete, use M10 screw bolts and nuts to secure the unit. Definitely install an energy monitor if you don't already have one. Fan Speed/Dip Switch Settings for MDUI18024E/MDUI18036E (2-3 Ton). Outdoor Heat Exchanger Clean the heat exchanger on the outdoor unit periodically at least once every two months. Hey Raul, sorry to dig up an old thread, but I was wondering if you had any new thoughts on the equipment after making it through the first six weeks of the new year. Maintenance Maintenance Outdoor Unit Installation 44 Troubleshooting (1) If your air conditioner fails to function normally, check the following items before conducting maintenance: Problem The air conditioner will not activate. Be Field Converted from 4 Ton to 5 Ton using For instance the 18kbtu single head Perfect Aire unit has an HSPF of 11.6 and the 24kbtu multi head DIY unit compares favorably with the Fujitsu 24k multi units. I wanted to follow up here to share some of my experiences with install as it was a bit of a different situation than the original poster, Raul, had with his. Some could argue whether midea is a top tier brand such as Mitsubishi or fujitsu but they make a fair amount of units so the from the engineering side one would assume it's a decent product. Fig. But this system is remarkable. Connect the pipe to the unit. I guess its all situational as are most things in building. I tried to figure out all the therms and such to really compare but the math was beyond my skills. 3. DO NOT dispose of this product as household waste or unsorted municipal waste. Is this made by midea or Gree and rebadged? Here is the 4 ton Fujitsu: Not sure how big your house is, but 4-5 tons might be oversized. Unit Installation Installation Location For best performance of the outdoor unit, make sure its installation space conforms to the following installation dimensions For installation of multiple condensers side by side refer to g 2.2 below: E e 15.75 400mm C 15.75 400mm B Hb c b D Hd A~E Hb B,D B,D,E Hd H A,B,C, A,B,C,E D D,E Hb < Hd A d Hd > H Hd 1/2H Hb >Hd Hd < H Hb 1/2H Hb < Hd 1/2H < Hb H Hb > H Hd 1/2H Hb > Hd 1/2H < Hd H Hd > H a 11.81 300mm 11. January was a cold month and both my units used a total 673 kwh. 2. I want to replace this with the Mr Cool universal 2/3 heatpump. Bosch has one, Trane has one, I think everybody will soon.