Or you can do it like that and drop the whole thing in there. It's always a plus. This video is brought to you by sportlin quality, integrity and tradition. We've got a package unit here.

This is a linux package unit. I believe it's a 10 ton, yeah and uh. The unit has a refrigerant leak. It's actually had a leak for a very long time.

Um right in here, the equalizer line broke off from the pipe right here. I'm going to end up pulling the top off the unit and you'll be able to see it a lot better, but yeah the equalizer line completely broke off in there. So it's right here and it's actually been sitting like this for a very long time. Uh with that being said, we're gon na go ahead and replace the txv, the dryer and we're actually going to change the oil in the compressor, because it's been sitting for so long without refrigerant in it that i'm worried that oil is completely beyond saturated.

With moisture and everything, but before we go any further, what i'm gon na do is power the unit up real, quick and just bump the compressor to make sure the compressor still functions. The compressor plug was unplugged. It's this one right here sounds very quiet. I don't see a problem with that, so i think we're gon na be okay.

We're gon na go ahead and power. It down we're not running it like that, but we're gon na power it down and we're gon na have to pull the compressor, which is not my ideal thing to do, but there's no other way to get this oil out of this guy. So now i certainly can do the work without pulling the top off the unit, but pulling the top off is just gon na make it so much easier just being able to see what we're doing we do have to pull the condenser fan motors out to do So, though, so that's what we're doing right now, but once we do that, we just have so much more access to everything, so the top sits right there. That's nice and good um this guy right here.

If you look over here, this is what we're going to be working on all over into here, and equalizer line broke off right there, i'm kind of bummed out with how much everything's shaking in there, like i mean that you can see down here. It's just like rubbing on the evap coil, it's kind of trashed, at least the blower assembly is nice and clean. Though one thing about the linux units, is they don't give you a lot of room to put a suction dryer, like ideally i'd put it right here, but that's not going to fit. I kind of wanted to put a suction dryer on this too, because of the issue um i mean i could theoretically put it here.

Maybe i could open it up and see because that is the compressor right there. So if i can, we might fit it in there just kind of a pain in the butt to breeze you know, and for someone to have to replace it ever it seems kind of silly um. I just want a suction dryer, just because the potential moisture contamination a little bit more access in here. You can clearly see the equalizer line, trying to think how i want to re-pipe this, because i really want to put a suction filter dryer, but man.

I really don't want to put it in here. I wonder if i can fit it in here. I wonder if i can cut it right here, fit the suction, dryer right here and then still have my equalizer line down here. Huh all right we're going with the sporelin high acid catch-all dryer.

So this has the hh core inside of it um i went with a bigger capacity dryer we are going to have to adjust the refrigerant charge a little bit, but again i'm worried about moisture. So that's why we're going with the high acid core got a couple things going on, but we're removing the compressor right now. Um, it's going to be kind of fun, i'm not a fan of pouring oil out of a compressor, but this is the only way to do this. So we're going to pull this guy out.

We just disconnected the crankcase heater. Pour the oil out we're gon na pour back in what we get out of the compressor we're gon na. Do that last, so all right, i weaseled my way up into the unit. Now we got to get this stub right here on sweat, hopefully, is the plan.

I went ahead and put a zero tip on my torches, so hopefully i don't overheat everything i'm gon na try to grab that with some pliers and yank it out as the hope all right now to try this there we go all right. It came out so now ignore, and that is why you're prepared for the worst. Hopefully you don't catch the unit on fire. Oh, it's not going as easy as i wanted it to ignore.

You're, just trying to call me right now all right, we're gon na braise the couple things i'm using some viper wet rag right now to protect everything. I'm gon na do the bottom joints from the outside, so i'm gon na do these top ones from the inside. All right we got the dryer and everything all brazed in. I got ta figure out a way to support everything and right now i have the txv wrapped in a uh a wet towel again, i know you're not supposed to cool braze joints, but i'm more concerned about the txv being damaged right now than i am a Braze joint issue, so uh yeah, that's where we're at all right we're going to go ahead and measure the amount of oil that we pour out now i realize compressors measured in fluid ounces.

I've been corrected on that many times, but what i'm going to do is i'm going to weigh the amount of ounces that i actually pour out of it. We're going to put that exact same amount in okay. I don't want to overfill the compressor with oil. With that being said, there could be oil somewhere else trapped in the system, but the crankcase heater has been running, so we should be good, hopefully or you can do it like that and drop the whole thing in there.

It's always a plus, not really how i planned it going, but stuff happens right. Hence why it's not a good idea to pour oil out of a compressor, so it measures about 28 ounces. What we pulled out. I know it's hokey, but it works.

We already primed the pump so yeah, that's it! It's all that we're gon na put in it. For now we're gon na go ahead and clean it up and put it back in now, compressor's back we're ready to braise it in everything's, sanded and cleaned up same thing with the suction dryer. I was able to get it in there. It's gon na be tight.

It's gon na be a pain to braise in but we'll get it, and this is all done. We've still had nitrogen purging through this the whole time. So all right, we are doing a pressure test right now. I got about 200 and something psi nitrogen.

Now i'm gon na do the tightness test on the field piece manifold, but i like to let it sit for five or six minutes and let everything equalize out and then hit start, because i noticed that if you hit start right away, the pressures still fluctuate at Psi or two so give it a few minutes we're just cleaning up dryers installed. We use the wet rag compound, so we're just kind of getting some of it off everything's in here we still got to clean up because we use wet rag on the compressor too. So we're just kind of cleaning the unit up we're going to start assembling things and then we'll pull the evacuation and go from there. We got dryers everything installed.

I've been running a pressure test for about 12 minutes. Now we've changed 0.2 psi. It passes the pressure test, i'm not worried about that, we're going to go ahead and let the nitrogen out and then pull the evacuation. I just balled out the evacuation off we're technically in a decay test right now, although i didn't officially put it in decay mode, but it's already passing 466 microns, it's slowly rising but we'll let it sit there for another 10 minutes make sure we don't get above A thousand um we're just starting to put the top back on the unit getting that all finished up, and then we got to put condenser fan motors in and all that good stuff.

All right, so we are slowly still rising 793 microns we're gon na call this one a pass. It's been about 10 minutes, since you guys last saw it i'm going to go ahead and uh hook up my gauges evacuate the gauges real quick. So we can do a unit charge on this guy, all right, i'm about to charge with my manifold, but my manifold is not in a vacuum. I don't want to pull all the moisture and air.

That's in my manifold hoses into the system, so i'm going to evacuate the manifold before i open these ball valves all right, so the entire manifold is going to be evacuated. I'm opening these up, get it down to a good level and then we will fill it with refrigerant and start charging the system. But i always do this just to make sure i do the same thing if i'm using smart, probes and stuff like that too everything's evacuated we're ready to open up to the system. I purged all the way up to here until liquid refrigerant came out we're good on that.

So we're ready we're going to charge in through the high side, but we're going to go ahead and open up each of these ball valves and then we're going to go ahead and charge. Seven pounds. Eight ounces. I believe that's what it's supposed to be into the heist.

We are running um system, it's, okay, we're just letting it come down in temperature. All compressors are running this one's nice and smooth no issues so we're just uh clean. We got a lot of stuff to clean up we're gon na clean up all of our messes and then start packing this one up. I just did a pressure drop test across the dryer, so i checked on the top port right there and right here and there's no pressure drop right now, at the time it was like.

141.2 141.1, so 0.1 went ahead, marked at 0.1, psi drop across suction dryer, and that's it guys this one's good, the unit's operating properly. This ac has been down for a very long time when i say a long time like two years: okay, uh, that refrigerant leak. That thing has been sitting open to atmosphere for like two years: it's by the coast, there's a lot of moisture in the air and the leak was in the mixed air cabinet. Where you know it's just got tons of moisture.

So, that's why i went to the extremes of changing the liquid line: filter, dryer, adding a suction filter, dryer, doing high acid, and also changing the compressor oil. I'm not a fan of tipping over a compressor because you run into the risk of dropping it. Like me, dumb, ass and also you know it's difficult when you pour it out that oil gets on the surfaces where you're going to braise it back in, and so you really got to get all the oil off before you go to braze it. It's kind of a pain in the butt okay.

Unfortunately, on majority of the scroll compressors that aren't the bigger refrigeration compressors, they don't have oil ports on them, so there's really no way to add and remove oil from the system. It really does make you appreciate the bigger refrigeration compressors that actually have an oil port. So that way you can remove the oil and add oil, and it makes it so much easier. Also, i really really appreciate oil sight glasses when they have them in compressors too.

I kind of wish that they would be putting those in some of the smaller ones, because a scroll compressor is such a mystery when it comes to is it low on oil? Do you know how do you tell there's really no great way to know if a scroll compressor is low on oil other than tipping it over and pouring it out, which is a chore okay? So i know i'm going to get some of these questions and some of this feedback. So i'm going to say why did you change the txv? There was no need to change the txv. Okay again, this system has been sitting open to atmosphere for so long. I've been afraid, i wanted to make sure that everything was operating properly.

Okay, so that's why i added the suction filter, dryer, the liquid filter, dryer and i went ahead and changed the txv too. More than likely there was nothing wrong with the original txv, but i just wasn't comfortable with it just sitting open to atmosphere like that. Also, it was a little bit difficult because of how close it is to the liquid line. Filter dryer, i was going to be redoing the whole section, so i just got a txv.

Those txv's are super cheap anyway, so it's not a big deal. Okay. Now i was not able to find a really good way to support all those lines. There's really nothing to do, because you don't want to drill through the top of the unit, there's nothing to strap to it's just kind of a bummer.

You know. That's that's one thing i do have to say that sucks about their design is that you know it's. It's kind of difficult to to support everything other than that everything else went good. I was very impressed with how quiet those compressors are um yeah.

They seem to be operating really well uh, it's not very often. I think i kind of already alluded to this, but it's not very often that i do an oil change like that either. Okay, again, this was an extreme. I really really appreciate you guys making it to the end.

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