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I replaced the evaporator coil in a 4 year old Daikin 12K mini split. I have pressure tested with nitrogen and vacuum tested, should be ready to charge. Then I had a thought. If this were one of my vehicles and I replaced a part there are charts on how much oil to add to the system. I have...

I have been following a couple AC forums for 4 years and do not recall this being discussed. I have a CPS VCRT, 4 years old and used 3 times installing mini's and now the 4th time after replacing an evaporator coil. It is a CPS Pro, who would buy a CPS Hack model? Do not know where this fits in...

Mulling this over. I am in the middle of replacing a 15 series Daikin mini split evaporator coil and perfect timing another 9k 4 year old Daikin mini is showing L5 error code! I would not replace the coil but the full heads are not available. 4 year old unit! The coil was $180 plus shipping...

FTXN12NMVJU. 4 year old discontinued model so no heads available. Coil about $240 delivered. A pain to take apart but fairly straight forward. Until the last clip, could see it, knew how it should release and it would not move. Down to it either breaks or comes out! Came out thankfully. Inside...

Looked all over and see no reference to this. Will be replacing 12k Daikin 15 series evaporator coil. Can I use the old lineset flair or should I make a new one. Have the proper tools to make and torque flair, but not much play in the lineset.

Daikin mini split calls for 625 psi nitrogen leak test when new. That is with the service valves closed, so only testing lines and evaporator. I will need to nitrogen test the condensor after getting the unit evacuated so the service valves will have to be open. The high side design pressure...

3 year old Diakin is low on refrigerant. Can't seem to find tech that will look for leak. So I am looking for leak. Tried soap and water to no avail. Ordered some high tech fluorescent HVAC liquid leak detector. Still can't find a leak. Returned refrigerant to condensor and charged lines...

Is it me? 3 year old Daikin mini split DIY install. Not cooling. Checked Daikin site and was directed to local Daikin dealer. $150 for diagnosis, tech shows up and puts on gauges, says I am low on 134a and will add correct amount for $130 lb. No mention of looking for leak. OK, how...

My TS3660 motor suddenly started making a very loud noise and vibrating. A look online shows the motor is discontinued and am told rebuilding is very expensive. I removed the belt and motor still makes the noise so is not the arbor. The motor turns smoothly by hand so I do not suspect...

I have 3 DIY Daikin mini's in my house. 2 9k and one 12k, the 12k being the workhorse. The 12k evaporator has a mold issue, to the point the bower wheel needs to be removed to clean. Yet the coils and fins stay clean? Appears that the coils are metal where it is not easy for the mold to...

Looking around the net I came across this. I suspect it is up there with electronic mosquito repellents but being awfully cynical though I better ask. Any experience with them and next topic will be UV lights in the mini after I do some more looking around...

I am having a mold/humidity issue with my mini's Here https://www.garagejournal.com/forum/showthread.php?t=425106 Decided to experiment with a portable dehumidifier before shelling out big bucks for a quality one. Found a brand new Hisense DH70K1G, 70 pint unit, in the box on Craiglist...

Need to see what is happening with my mini's due to high humidity in house, usually over 60%. 1350 Sq ft house in SW FL so always high humidity outside. 3 Daikin 15 series DIY installed, 2 9k and one 12K. All single installs no dual head unit. As near as I can figure checking run time on...

I DIY'ed 3 Daikin systems in my house and have been diligent about not just turning off mini, but leaving the fan on for some time to dry out coils before shutting down. I also clean filters on a regular basis. The coils look nice and clean with no noticeable mold or dirt. But the blower, oh...