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How is your Mr Cool running so far? How did it do in this past winter? How low temp do you get in your area? Thank you.

Ok, Merkin Donor. I just finished charging my MS. I bought a postal scale from amazon that weights in grams and pounds. I set it up in kilograms and I charged around 725 grams of freon. My MS is working perfectly right now while I am typing this and its blowing 48 F air. I want to thank you for...

No, all refrigerant was lost and I will follow your recommendation of opening both valves and pull a good vacuum, I did a vacuum a few days ago it held at 741 microns for than an hour. I could not pull to a lower reading I guess my pump is not that good but it held really steady for more than an...

Thank you for your recommendation. When the mini split lost all it's refrigerant and when I pull a vacuum does still have any "solid" refrigerant or oil inside the compressor part? So If start pulling a vacuum I won't be vacuuming any solid material or refrigerant oil? Or the refrigerant turns...

RXN09NMVJU, Daikin. It needs 1.54lbs of refrigerant. I know how to vacuum the lines but I need to know if I can just charge thru the 5/16 port without any problem since it lost all the refrigerant. I need to know if I need to vacuum with the valves open or closed. I know that it needs to charge...

I have started a new thread, hopefully you could help me there, thank you so much!

Last week I was checking my perfectly operating mini split and I noticed that when I installed it back in June of last year I left one of the refrigerant pipes a little crooked and I decided that just to bend it a little so I can install the hide line. Well, all of sudden I heard a buzzing noise...

This is a great forum, I am in the process of recharging my Daikin mini split that lost all refrigerant and all this reading it's been so helpful, thanks again. I wonder if Merkin Donor still around since this is a very old post. Thanks again.