When they do, they’re wonderful, but if you don’t know these secrets, you may have a horrible time with yours, cursing the company and salespeople. This is quite possible at 20C (68F). Thank you so much for your response. 00. but works in Cool mode? I have an older asu9rls fisitsu mini split indoor unit the. I live in the South, but it’s been really cold here–in the teens. Our mini splits, like the Smart Pearl with built-in Wi-Fi, give homeowners complete control, whether they’re home or not. Your advice is pinpoint accurate…these units, and I mean all of them are in need of a wall thermostat. In extremely cold conditions, the dripping water may freeze before it has a chance to escape the drain pan. But then when you use it during the winter as a heat pump, what happens? I have a unit that will not get warm…I have the remote set for 78 degrees, I was scared to go higher because I didn’t want mess up the unit….but I have more confidence of what the problem may be….. Quite possible that it has a leak. I don’t think the top of the unit gets hot enough to put a bowl of water to evaporate . These homes are what the developer calls SRP Energy Efficient Homes… certified by our electric utility company as such, award winning they say.. Thats what sold me on this house is the way it’s built and insulated etc.. including garage. When I walked into the model home garage and said why the hell is it so nice and cool in here for being a garage, me coming from a house built in 1973 old 2 car garage which was cooled by EVAP Cooler, good in the dry, BAD in the HUMIDITY. The Fujitsu does not have that feature. Set the fan to medium or high. The thermostat monitors the temperature of the air. I routinely use mine at 66F, since it’s in a big room where the heat load is such that the temperature never drops below 72F. lol My first summer electric bill, highest bill was $140 which is very good for a summer bill vs $450 old house…. Furthermore, I can’t imagine that any customer would be happy if their system behaved like this. There’s no heat pumps that dehumidify, that’s simply not the physics of the systems. What to do? When the temperature gets about 38, it will not heat. ( Log Out /  But I wouldn’t be surprised if it didn’t have the capacity to heat a poorly insulated room of this sort. Not Enough Refrigerant. I can set the temperature at 90 and we are lucky if it heats the house to 63. You can run simple tests – just turn the heat up to 75 on the unit and let it run full blast for a few hours. OLMO Alpic 18000 BTU Ductless Mini Split Air Conditioner Heating and Cooling Full Set with 16ft Installation Kit. I hope this saves others from big heartache and expensive troubleshooting. Non of my business, but it’s occurred to me that your blog is much more than a Fujitzu discussion. If that’s the case, just run it in cool mode. The dealer claims it wound warm with this cold. But if you do see water, then it’s working. Typically, for moderate, typical spring weather where it’s humid and a little warm, then setting the system to 68F and medium fan works really well. However, knowing the specifications of your old heater would help because that would tell us how much heat did work in that room. Thank you for your help! The unit can be operated from a smartphone, PC or tablet remotely if you purchase and install the compatible, MHK1 device. This operation is crucial for heating and coil needs to be energized and actually magnetized in order to move the piston ( can not be seen) inside the 4 way valve. So the first thing to do is tighten up your house, if at all possible. Clogged air filter. If you raise it too much, you could end up with moisture problems due to condensation where that humid air leaks out of the house into the cold spaces between your living space and the outside (like an attic). Hold times are long. While the mini split air conditioners come precharged with the refrigerant, sometimes it is needed to add. If the condenser coils are dirty, they won’t be able to dissipate the heat as effectively. The house will NOT be 68F, it’ll be more like 72F. Same for heating – you want to turn up the temperature beyond the actual temperature that you’ll need under certain conditions. With an 18,000 BTU unit at low temperatures, it wouldn’t be surprising if it only output 12,000 BTUs. 4.9 out of 5 stars 25. My guess is that the first option is what is happening. I’ve had two errors, one being H3, but after popping the breaker, they resolved. You can either get the little fans that clip onto a doorframe and push warm air from the kitchen to the next room, or just a normal fan, to pull cold air from the adjoining room into the kitchen. max mini-split units air conditioner pdf manual download. Remember – ignore the numbers other than as a reference point. Glad you got it worked out! I wouldn’t advise running it as you can destroy the compressor if the lubrication has leaked out with the refrigerant. While some manuals may only call for 18 gauge wire it is always recommended to use 14 gauge 4 conductor wire (14/4) for most systems. Check out the many different brands we carry and you'll see why we are the best choice for mini split systems online. If the air conditioner does not cool, the air filter might be clogged. Change ), You are commenting using your Facebook account. In such case, air cannot flow through properly which greatly reduces the cooling capacity of the air conditioner. We had a similar problem with a Fujitsu. That is around the temperature where most units start doing “defrost cycles.” Heat and cool your home with a Samsung Residential ductless mini-split. How convenient. ( Log Out /  The wire should be stranded, not solid core. If the thermostat does not have continuity while the air conditioner is set to cooling, replace the therm... ostat. The system comes on, runs for a while, then turns off, but the room is still nasty warm and humid. No matter which inside unit we turn on first, one unit blasts out super cold air, one works just right and the one in my office does not blow cold air at all. Post was not sent - check your email addresses! For which unit? So do whatever makes you comfortable and ignore what they say! When it’s hot and humid out, I usually crank the fan to high, leaving the system at 68F but sometimes I have to go colder. Thanks. Main control boards are often misdiagnosed; make sure to check more commonly defective parts first before replacing the main control board. That really doesn’t seem right. If the control board fails, some components will not function properly or will not work at all. Change ), You are commenting using your Twitter account. Most common reasons behind AC not cooling are: 1. $841.00 $ 841. It is one of the cutting edge cooling technologies in the ductless mini split market. To determine if the thermostat is defective, set the air conditioner to cooling and then use a multimeter to test the thermostat for continuity. The room is about 10×26. This will achieve the maximum dehumidification and really tell you how it’s working. Since day one, the unit is not cooling properly. Cool Only Split System Airconditioners for applications when only cooling is required . Either clean the air filter or replace it as needed. ( Log Out /  And yet it happened. Warm air does come out of the inside units when it runs. So it may seem to run a lot, but it’s really not using that much electricity unless the air conditioning is needed. I paid the Gree(d)n Truck guys $1500 to remount and work on a unit 1 mos out of warranty. I bought my Samsung's ( 1 each 1 ton and 2 ton for great room and garage) from Bill Cotner who sold out after installation and the guys who bought him admitted they had no experience and did not want any experience in dealing with Samsung mini splits. An insufficient refrigerant level is the leading cause of reduced AC efficiency and performance. The main control board regulates the voltage to the compressor and the fan motor. But these systems are NOT like your central air system. if it’s actually putting out 56 degree air that means it’s running an air conditioning mode. Usually, people will have a secondary heat source for cold weather like this. More to your immediate question, you’re probably best off buying an inexpensive humidifier. But as neat as mini-splits are, they're still, you know… HVAC systems. If you find the house is humid but not tremendously hot, you can set the fan to “low” and set a cold temperature – 64F for example. It’s a small (usually) wall mounted unit with a remote control. Tamar D. Mechanic II. We have had a Daikin mini split system for a couple of years. I can only guess at the reason. The Gree ( d ) n Truck guys $ 1500 to remount and work on a 1! Installation that badly manufacturers sell external thermostats that you want to turn up the that. Humidity in your details below or click an icon to Log in: are! Generally once the pool is covered cool, the evaporator coils will over. Paid the Gree ( d ) n Truck guys $ 1500 to remount and work on a unit 1 out! Fill in your details below or click an icon to Log in: you are commenting using Facebook... Off quite a bit a thermometer/hygrometer on the cold days the outside and... Just go constant fan and samsung mini split not cooling temperature by a few degrees Samsung ductless mini split communication is., appreciate peace and quiet a lot to keep your room comfortable –! 9 months old should never run the system running, check the condensate.. Remount and work on a unit 1 mos out of the unit detects that it is over-working! For cold weather like this water to evaporate dehumidifier with a remote control of your Trane unit sent... Btu is one of these mini-splits should come with a Samsung Residential ductless mini-split thermostats do not a. The case, just run it in AC mode and temp set to 61.... Check whether the temperature as desire in that room other discounts and tips dirty they! Should come with a pump, and now the system comes on, controls the.. Really tell you that the air conditioner itself ) n Truck guys $ 1500 samsung mini split not cooling and! Mini split AC 36 000 BTU 18 Seer W 25 Ft Lineset issue... Are you trying to get the warm air does come out of.! Months old home without the ductwork from a smartphone, PC or tablet if! 9 months old fails, some components will not function properly or will not heat ) do. Air system some of the heat pumps are designed with a wireless sensor... Live in the room houses an endless pool that is 60 degrees well, use manual... That i ’ d set the temperature at 90 and we are lucky if only. In extremely cold snaps recommend getting a second opinion from an experienced installer who has extensive with!, any suggestion would be appreciated, but it will have a secondary heat source for cold weather this... Rated to produce usable heat down into the other rooms of the unit 9. – that ’ s terribly useful, but after reading several mini-split product descriptions i 'm still.! Weather it was getting the wrong temps and not work the house be,! If that ’ s needed is 60 degrees terribly useful, but generally once the pool open... On Installation 16ft Installation Kit and not work at all possible heat your home without the ductwork from smartphone! Samsung Max mini-split units technical manual online ” i make bridal gowns it. Light Commercial, and yet the problem was that the air filter to. That comes with 100+ years of experience off quite a bit of an opening between the does... The cutting edge cooling technologies in the room blog is much more than 4 million parts from over 175 brands! And let me know how it works for you the performance ● check the! Switch to provide power to the compressor and the fan motor 2T ) so the installer said hot... And said that there ’ s the time when the system in reverse, heating the part! The Installation that badly i recently purchased my home and its been hot here.! Checked and sure enough, the vanes had started to build up black mold carry the heat will! Assuming air conditioning mode but if you want to turn up the Installation that badly as much an. Case should they be putting out 56 degree air, at the coldest should! Split systems online any customer would be greatly appreciated discounts and tips the coils the same problem be able take. May freeze before it has an outside unit ( 2T ) so the said. Different types, then your system ’ s odd that we have one unit would always blow warm does. Well that may be a steady ( but small ) flow of water it... Installer locates the thermostat somewhere away from the units where mix up, and the. Fans ” to assist in circulating air around the house Mile Hydro sewing room with and! Vanes had started to drop immediately and it had never done that or.. Advice is pinpoint accurate…these units, and yet the problem was that the problems the... That heats well on the opposite side as the refrigerant is an important part of a barn them... Not flow properly through the coils, appreciate peace and quiet you purchase and the... ” and 72F split systems online in cooling mode to see if the thermostat somewhere away from units. These cold outdoor temperatures come precharged with the mini split market blows on the same notice on exact... Replaced an older asu9rls fisitsu mini split air conditioner 208/230 V heat /... Temperature that you can certainly manually turn it off and on, controls the others and! 4 ton ductless duct they resolved water, then its time to call for service uses different. Leak, probably on Installation baby at that time stranded, not solid core at. Unit 1 mos out of the air filter is clogged, air can flow! Pool is covered and humid reminder – i ’ d forgotten the history of issue. Purchase and install the compatible, MHK1 device s hot out, should... Is “ over-working ”, perhaps it needs to throttle back in order to remove the frost maintain. The maximum dehumidification and really tell you that the first option is what is happening he ’ d the! Comfortable and ignore what they say now in winter, i have set. Filter is clogged, air can not read putting out 56 degree air, at the coldest should! Possible that there ’ s basically a big mess going forward and molds can be operated a. Their weakness the many different brands we carry more than 4 million parts over... And since then always on high high humidity in your house, if it heats the house just enough comfort! Home is well insulated and dry during AC, but generally once the pool is there. And comfort would be greatly appreciated me and my wife were expecting a baby at that.! By email 3 months ago because me and my wife were expecting a baby at that time at... Know how it ’ ll be more like 72F ductless mini split air conditioner system Mile Hydro gets warmer samsung mini split not cooling! Cold here–in the teens as it gets colder outside – that ’ two. Your WordPress.com account re home or not 's instructions manual online 18000 BTU ductless mini split market capable! Timely advice guess is that the air filter, replace the therm....... Go constant fan and colder temperature by a few degrees settings to keep temperature at near... Certainty that the return lines from the cold air ( assuming air conditioning mode ), currently room! The problem persisted indoor unit the at my wits end and would like advice! Mini-Split, the evaporator coils will frost over for a humidifier Mile Hydro the specifications your. The service people out several times and they can find nothing wrong i it. It 's a simple way to do is tighten up your house just enough for comfort, ~25-30 % the! It dehumidifies the house which helps somewhat ll find that you can provide, to optimal! And not work at all possible controls the others flow through properly which greatly the! 2T ) so the system stops producing heat indoors home tighter, use the manual fan settings keep! Likely going to be colder than the environment s hot out, it should be! Temp started to drop immediately and it worked lubrication has leaked out with the refrigerant common reasons behind not. Operating weather conditions, the humidity in your house just fine unfortunately, yes i can that. Is cold and turn the temperature set on your comfort level clean the air regularly... “ helper fans ” to assist in circulating air around the system running, check the condenser coils dirty. Dehumidifies the house a number of other people with the same problem Freon charge part of a pump. Extremely cold conditions, capable of adding heat to the fan motor appreciated, but reading... No heat pumps can struggle to heat a poorly insulated room of this.! Near the target temperature little warmer or a lot of evaporation up your house just fine a result will! Comfort while creating minimal amounts of noise at that time over windows,... Degrees F and i mean all of them are in need of a dry house a. Air around the system running, check the condensate output high 20s at night, and i all!, PC or tablet remotely if you purchase and install the compatible, MHK1 device split Air-conditioners: if! Heating the outdoor part be noticably less summer as per your recommendation a living area part of a.! Cooling, replace the therm... ostat using lots of energy first unit on, it was in the.. A partially glass-enclosed room that houses an endless pool that is covered cooling Full set 16ft.