No cooling service call, two others would not do.

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so i heard the ac kick in here but it's running compressors running fan motors got to be running because my liquid line is not hot so i had to get up there and probably add some charge to it and be my guess hadn't been done in a few years they said yeah that's gonna be the deal so see if we can get a verse halfway safely [Music] this is what i'm looking at guys hey i get this truck to move here but not enough access there so i'm gonna have to park my van trying to get up on this side it's got a nice little pitch to it i haven't seen the ac yet but so this might be the last shot i'll get until i get up there this is gonna be fun we're strapping her down nice and tight story is two other companies come out and said nope it's not happening i don't give up that easily it is spitting rain too all right not too bad except nothing's gonna be labeled look at this somebody somebody did a change out um it's gonna be one of these guys here so uh i'm gonna have her turn it on i got her number looks like this one's been running i got a wet suction line this suction line looks dry almost lost a probe um and that would make sense because the evaporator looks like it had some work done that's why we saw the piston uh a little bit oil there so maybe the evaporator has been replaced to get a date on this thing let's get this panel off we're going to get our probes hooked up felt like everything was running i don't see any oil down inside so just panel off and we'll have her kick it on so she just kicked in i'm just finding out this is 410a of course i brought 22 just assuming so i could make another trip um so she's low that's no doubt so shut her off and go get some the right refrigerant so we got a ways to go here we're going by target super heat it is a piston um started at six and we're up to ten so that's a good sign let's see what our actual target super heat is good saying 14. so we're gonna add charge that 14 and just watch our head pressure we got a calculated rule of thumb accuracy there but we're going to try to get everything in the green and see how she looks slowly added about two pounds i'm guessing i gotta wear my tank when i get back down but looking a whole lot better super heat's just dropping now i'm not sure what that's about we're uh giving us some time to stabilize we're at 20 degree temp drop um i don't know i'm gonna have to get the i got the model number of this i'm gonna have to get try to see what evaporator was put in there i've got a pistons mark that's in there and the old piston was laying on the top of the furnace so hopefully there's a piston in there but looking all right for now superheat's coming back so we're going to get some time to stabilize and see where we go from there we'll go down and do a leak check see if we can't find a leak i'd like to only do this once because this is no bueno sometimes you gotta love having probes because i don't be sitting on that roof no more um still low superheat it's possible that i overcharged it slightly which i haven't found a leak so i'm not terribly concerned about that it's kind of coming back i think it was calling for 14. it's going for 11 now so let's see temp drop temp drop was kind of high saying low air flow back to 20 degrees it was like 21 and a half so it's not terrible i did open a couple of vents in here um i'm trying to verify the piston size it's got an 0.53 in it this is an 0.62 which i'm assuming is the old piston well let's go back the line is tagged with an 053 that doesn't mean that's what's in there but at this point she's cooling so we're just gonna watch it for a little while this ain't gonna be perfect um it's kind of a chopped up system so it is what it is so they found somebody to get on the roof so they want you all checked you know shut this guy off the wedding's all she was froze up this is probably gonna be a leak in the evaporator i don't think this one's been changed but we'll see um it's an old linux so to verify which one it is and uh check it out as well and then the one on the first floor so we are labeling these as we go um and had a little bit of pressure on that suction line uh service cap so i got it now logged real well and tightened up i got some dialogue on the liquid line trying to prevent all these lids from what i understand last time they charged this was 2019. um so it's been two years and just now they found it low again don't know if anybody was in the suite at that time but regardless it's been a while and i may be chasing a ghost if i go leap checking this thing too much plus i can't really access the evaporator but uh we've got a tag inside and we're gonna tighten up our caps and move on to this guy who was cooling we're just going to check it and make sure that's r22 and got the last guy over there um and then we're gonna label them as we go this one's already labeled number two and we're labeling thermostats so the next guy don't have to guess like i am this is the unit it was cooling and it looks pretty good this is i'm not in the best spot for temperature readings but still showing 17 degrees uh superheat was coming down it was a little high but condensers set way up on the roof so i'm not terribly concerned about any of these readings no complaints out of this one we're gonna call it good watch it for a little while longer and move on over to the other unit that was froze up all right last linux unit very close we're gonna i'm hoping this tank has got just enough in it because it might have two pounds i'm guessing but i didn't want to carry my brand new full tank up here because it's a pain so we're just gonna hope that this gets us there uh now i'm connected i just gotta go back down turn her on we'll check her out from there [Applause] [Applause] okay they want a picture of that abandoned condenser that they just left and you get what you pay for sometimes [Applause] i'm glad i only got like one more time to do that all right so last unit i think i got lucky to let my tank warm up a little bit there just putting every last drop in i can get because i don't want to make another trip ah looking pretty good that's about what i was calling for 14 15 degrees super heat so 13 there it's been a couple of degrees i'm happy with that uh we are still a piston so i'm not really concerned about the subfilling but 11 degrees look pretty damn good now i got a glare sun decided to come out uh our temperature drop 18 and a half uh i'm happy with this guy too we're uh looking good so yeah super heat 12 degrees all right i can't ask for more on this one of course the r22 looks a whole lot better than that 410 hack job that they did over there but we got to get a picture of that guy because somebody didn't want to take it off the roof i don't know why you use a crane to get a unit up here why you wouldn't just pull that off but it's the world we live in guys so let me know what y'all think uh leave me a comment subscribe you might want to close that disconnect for our go to so we'll see y'all on the next one
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Channel: Everything HVACR
Views: 5,689
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Id: DC6WJi_m8is
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Length: 11min 20sec (680 seconds)
Published: Tue Jun 01 2021
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