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I promise I don't get any kickbacks lol, but here is the deal I got again - it is now on sale for the next 3 days! If you are in California it is a crazy deal, hard to pass up, especially with natural gas rates on the rise and if you've got surplus solar: $1,929.00 - $389.01 off on sale =...

For me peak is $0.523 and "off-peak" is $0.495 thank goodness for solar!!!

Actually that’s the condensation line in regular PVC. My thermal pressure relief valve is a copper line (which is hard to see). That’s how I ran my old line, I reused most of the original.

Got it installed - went pretty well, except the hot water threaded connection leaked, so had to redo that. Took longer than I thought it would but not like I install water heaters for a living lol. One less natural gas appliance, excited to pay PG&E even less money!

I figure at under $540 it is worth the risk. I also got the 5-year extended warranty through HD for $75 for some additional protection. All in with everything I need to install this including electrical addition it will be under $800.

Hey they replied! “In lieu of installing something automatic, I think that in the rare instances of a grid outage, the simplest solution would be to manually connect a 12 V DC battery to the CCA input, thus enabling the optimizers to power your mini-split system.“

Yeah sorry it was a flash sale they had I just happened to stumble upon it. I had already ordered it for $269 off and went to check something out and saw it was an additional $120 off! Got lucky, good timing - I tried sharing the wealth but knew it was a longshot.

@onokai in your photos the black/grey rectangle is the step down transformer - I run 120V into it and then it converts to DC which runs to the green box (CCA). I plan on running pigtails for the input side of the step down transformer. I’ll use wago connectors on the pigtails. Then I can easily...

I called Tigo and have a ticket setup. It is 15 days old, I just replied to see if they came up with an answer. In the phone conversation the tech felt like it should work. Maybe I should just run a test myself…

Unfortunately have to be a resident. :(

This 65 gallon Rheem is on sale for another 2:45 - crazy deal! 20% off (-$389). If in California, $900 instant rebate, and qualifies for 30% federal tax credit. Under $540...

Okay, closing the loop on this one! Finally got a chance to flip things and we are good to go! Thanks all for your help!

This is an interesting option - found this photo courtesy of @onokai on this forum. The Ecoflow has a 120V output, could do this too, would be very easy. Again, just for emergency backup, I would just coil it up and put it in the box and connect to power supply when needed.

I just want it for emergency situations but the small 12V battery idea above is compelling…

I’m messing up my Tigo products sorry! The CCA is powered by 12VDC but also has a power/communcation wire that is connected to the Tigo TAP (photo below). Then the Tigo TAP communicates wirelessly with the optimizers that handle the RSD. When power is lost to the CCA, it is lost at the TAP as...

Sorry, I have a fully separate grid tied system with microinverters. These 6 panels are dedicated to the mini split, no inverter, just direct wired to the mini split. As I mentioned above, since I just got in under NEM2, I can't add more to my system (I am allowed to add up to 1kw, I added two...

I have a call into Tigo and will update when I hear back but thought I’d throw this out to the group also. Okay here is my scenario - I have an EG4 hybrid mini split (24K). I have dedicated off-grid panels for it (NEM2 limit reached) and the mini split is connected to the grid. Because the...

So take the pex fitting off and stuff tube wrapped by insulation into a 3/4” PVC coupling and that’s it? Is that watertight? “ANYTHING internal to the factory drain line is a code violation.“ I’ve seen a number of people use different fittings to connect that hose to PVC. So this is incorrect...

BTW, if anyone is looking for a way to transition the drain line out of the back of the unit to PVC, this worked perfectly. I added a hose clamp for extra security, but one of the ribs fits right over the PEX rib.

Okay I think the problem has been solved! Look at my voltage reading again… sonuva! My wires are flipped and that is reading a negative voltage. I did change MC4 connectors so clearly I mixed those up when I flipped them ugh what a rookie mistake! New MC4 connectors ordered and I will flip the two.

Yes, I checked - both with the lid off and prior to that. The positive wire is still blue inside and that is connected to the MC4 connector connected to my red positive line. With the lid off I traced the blue line connected to a circuit board via a spade connector. That is an inline fuse...

I pulled the top off and checked, looked like all connections were good. I will bypass the MC4 connectors on the outside and connect directly to the MC4 connectors on the inside and put my tester around the wires to see if voltage is passing through. Then it will be on the phone with signature...

Well it is trying it appears - 17W!!! 😂 But something is still off since the solar doesn’t go higher. No green symbol on the inside unit. I’ve also shared the production of my grid tied system just to show it is producing nicely.

Thank you again! In the million pages on this amazing thread I missed that lol. I will give it a shot on a full sunny day as I’m sure I tried it in succession with not enough time in between power downs. 3.If the solar is not good, for example morning time or cloudy days, the unit will try 3...

Here is the response I got from Signature Solar on that:

Thank you for the reply! I just had gotten the panels installed on Easter Sunday due to rainy weather this past month. My mini-split got installed earlier in March. I did try it when it was cloudy, but then also shut down the system and waited until it was full sun. How long is the timeout? I...

Did this ever get sorted out? I have this setup (separate off-grid panels dedicated to mini-split, no inverter) but my 24K unit isn't receiving any solar per the app. I have 6x380w Silfab panels and Tigo TS4-A-O optimizers and CCA - these are wired directly to my exterior unit. I checked and...