 All right, so today we've got to say walk-in cooler that they said was getting a little too close for comfort for warmth I get here, and it's about 37 degrees area. They said it was 39 and a half earlier So it wasn't running or calling for it to run The thermostats mounted right on the side of the evaporator kicked it on I replaced the evaporator fan on this thing in October of 20 and And our suction pressure is looking fairly decent our sight glass is full and we haven't gone into a defrost lately, so It's only set up for 30 minutes of defrost anyway twice for 24 hours The condenser coil is a little dirty It's not as bad as I see But the evaporator is looking a little bit bad, so From what I'm seeing between the thermostat that looks like it's practically brand new It was probably their first step and then the coil is pretty pretty bad So we're gonna take that the profile coil apart and clean it So we're gonna go back down there and look at that section right now. Everything looks Pretty good refrigerant wise So I'm gonna throw this thing into defrost slash technically since it's timed off anyway we'll Make it going to pump down that way we can shut her down without Flood back when we kick it back on That one I did not do So don't have a date on it that one does you can see mine's crimp on series of wire nuts The store was remodeled so they've got new Rtu's a new fancy makeup air unit, but they kept the old equipment for the refrigeration and for the ice machines, so They did get kind of fancy here Compared to some of them Yeah Looks like it's been working surprisingly good And there see if it's got no short cycle protection of all Nice you can tell this has got very low airflow volume Coil starting to freeze up It's pretty cool out today. I mean, we're barely probably in the 60s This has no fan cycle control on it We didn't install it so see if the filters are Partially clean and not too bad. So it's not what we're here for but I will mention it to their maintenance person Let's say it's probably it's got some mild issues or just because he didn't run a fan cycle control kit on it, which Probably wasn't the best decision. So anyhow, let's get started on what we are here to do this thing is our 22 She did pump down some go downstairs. You can just cover off the evaporator All right, so you can see here. We got it down Definitely got some air restriction to it There and there so we're not getting the best of airflow through it The side here is a little better, but still ain't that great We're gonna sweep this off and it'll get a good majority of it looks like we're pretty good where it's not packed full We'll sweep this thing out and get it cleaned up along with some of these motors here. They just are looking a little bit Comfortable there Drain line looks a little bit ratty to get a little aluminum. You see the drain line comes apart there Which was kind of nice Go get the vacuum cleaner There at the old mill walk. You got a good portion of it out of here It looks much better than what it did it Got a little straggle here and there but the most part we got all of it out of there You can see right through it You're not gonna get it perfect other than maybe to wash it out, but it It's clean We got our terminals there looking good from what I see Bet you that got pulled loose. Yeah, so those aren't gonna run so I'll have to hook those back up here in a second Kind of crappy the way they designed that with very little room to spare for length of wires kind of a Cruddy design so much garbage in here good grief That's nice Think I found something this wire looked really corroded it had been getting down in the pan and getting wet They got an undersized wire nut on there So we're gonna restrict that that goes up to the thermostat there Which in reality it'd been nice that they would have just ran it directly To the thermostat of using these hodge podge connector wires in between so we're gonna get that done got the motor terminals hooked back on there and Go from there. I set this off a little bit more thing really needs garden hose doubt, but So we got these out and these out we're gonna clean those up because that's Still kind of a mess wipe all that out and we should have some good airflow when we get done here All right, so these look a lot better now than what they did kind of convenient get nice little worse pay there, so Scrub them up pretty good Not gonna make a huge difference, but it's gonna definitely make it better than what it was. So we just kicked it back on Got a set our clock here about all part Pretty good on clothes. I'm gonna go ahead and watch this thing drop down a temp Make sure things work in the way it should see where it shuts off out. It's gonna put a few these screws back together and See where we're at Every one of these jobs usually ends up turning into a PM if you want to call it that otherwise you just fix the the symptom and Ignore all the other problems You're just gonna be back later, and then they're gonna wonder why you didn't do it begin with so I usually go through and try to get everything. It's not like I want to do it, but you got to do it your job there's things that Got to be done and if you want to walk away confidently that that's Been done correctly then you've got to do it. So clean all the fan blades and all that wasn't the main problem Coil definitely didn't help it none. I think some of its majority is that thermostat which I got to call and find out what's the deal on that but Otherwise What we did is gonna make better airflow which is gonna cool it down quicker be less swings in temperature stuff like that So let's just watch this and see what we get figured out be a nice guy and check the belt on this one the other train unit down there is a director Check that pulley did not adjust very well get myself in trouble No good deed goes unpunished Yeah, it sounds like it's not aligned, right? Oh Jeez Yeah, that that these completely screwed. That's why it's squawking. I Don't think we take care of their HVAC So we'll just leave alone Not the other professionals. It's been a maintain and it take care of it I guess you would you pay for a guess? According to this we're dropping pretty quick. I think it was up to 50 earlier I've been running that long. I even feel it Sounds all industrial and stuff Yeah, you can that's real accurate. So if that's 34 It's got better airflow now this thing here probably is not calibrated which wouldn't surprise me Might want to calibrate. I think it's drawing too much attention to itself because it's probably not accurate and Causing them to dink around with stuff when they really don't need to There's nothing wrong being safe, but if you're causing more problems than you need That Yeah, you can see it kind of blowing blowing the dust around a lot better now That actually might be fairly accurate. I was reading 40 out there at 41 here See how accurate this other thing is That's their thermometer there. And of course, you know, you're blowing cold air on to it. So it's gonna be lower in about Seven tenths. I think it's kind of funny that things starting to go up in temperature there The degree of course, you know, these aren't treated with care. These usually are dropped and You name it. I think the reason why it's going up in temperature is when I feel the liquid line. It's cold It shut off. I've got this thing set at 30. I Don't like these bulbs when they're up here. I Had problems with another low profile one not too long ago doing something similar to this I mean, we'll sometimes even mount the bulb on in front of the fan blade there It it's obviously off. So we're running 34 and a half supposedly there 36 over here 36 there 41 over there These low profile coolers Suck because they just throw it everywhere, but where you really necessarily want it Um Kind of watching the seas must be on the off cycle again It just doesn't run very long. It's probably been surprising if it ain't oversized It's running though. It's got heat. I can feel the heat on the liquid line So it should be dropping Pretty sure it just shut off, but you can see we got a dead spot over here and That's not gonna be the most accurate place for it There's no good place with one of these type of evaporators. I like the ones that are normal You know traditional against the back wall shooting outwards It just shut off. I'm almost positive it did See if we can feel heat still it's hard to tell it might be pumping down Kind of hard to tell yet But that's a case map to set it well below 30 to get to where we wanted that thing is product temperatures What's really important, but unfortunately depending on who you're dealing with They may not be looking at that as closely My feeling is it's 34 degrees in here Rotated up a touch Get it shut off. So right there is he's gonna basically sit about 28 degrees to get where we're at Can Teeter taught that thing this a little bit, but you can see I mean You're getting heat off the ceiling I ever one of them I've had like this it always been a problem Getting accurate temperature measurements Now what calls that to drop all sudden you think my body temperature would have actually made it go up Not down so it must be bouncing off me. I've still not been able to get a hold their maintenance guy So how much time do I waste waiting around to find out whether or not he just changed this thing or what? Move it up to 30. I think I heard it click Now you guys sit here and play the waiting game see whether or not It stays underneath it the zone they're wanting. I think they're one like 36. They're very very particular about their temperatures Yeah, it stopped So we got 33 here We continue to play down in this colder area then we're gonna start getting freeze ups The defrost are only set for half an hour and they're set for two of them for 24 hour, which If you're gonna start trying to make a beer cooler out of this I recommend at least four of them and usually it up to as much as an hour But then you're gonna have a heck of a swing on your temperatures Really need to talk to their maintenance guy to know what exactly their expectations are and how critical they're gonna be about this thing so I went ahead and lowered just about two degrees almost three and That's more accurate for what is actually over there on that side of the box It's not necessarily accurate for where it's out of the temperature But since there's no food right there, I'm more interested what it is actually in the box. So We got like I said 38 area 34 there Up here. We've got 36 really it's not even accurate for that either so it'd be a little more tweaking So there we are 36 still a degree higher than what it really is 34.3 and 36.6 here Now we just got to wait and see whether or not this thing comes back on on its own if it does I don't really care what the numbers are as long as it holds a differential Finally got my call back from the maintenance guy So the thermostat might have been replaced by another company because that's not a stat we carry We use the ones with the remote bulb What we're gonna do we're gonna go ahead and add an extra defrost of this because we are pushing it kind of cooler Than what it's been running He's shooting for 36 degrees on an average Talk to him about how it was checked by who and all that it wasn't necessarily a health department But more of their own personal inspectors So we got that I am going to try it set right now at 30 I don't care if it said 65 degrees as long as it's holding 36 when it's all said and done He knows that he agrees with that. So depending on how it goes if it don't do it by setting it at 30 We're gonna get a digital one, which we don't usually stock or use 208 fan motor Then I'll just power it off the fan motors and then wire it into the solenoid which is down there and then we'll go from there so otherwise sight glass still is full and The fan blades and all that stuff are clean. So it's in better working condition what it was when we found it and That's about it for right now. I'm talking about some of the HVAC equipment and like I figured another company's taking care of that So we'll let them deal with that. That's on them So other than that that's gonna wrap this one up. You guys liked it You know what to do give it the big thumbs up and subscribe until next time guys. We will catch you on the next one All right, so we're doing a startup on some of this equipment We pumped some of it down because they didn't have solenoids went ahead and got that valve opened up Got to turn the power on to it. Got these little gizmos over here. These are all old run on 414b so these I believe were pumped down solenoids so get turned power on to that and Basically just kind of get them ready. It's ice cream season already. Believe it or not Even though it's only February They run full service here food and everything so they open up after shutting down for just a couple months Reaching cooler that's in there. It's not wanting to come on so It would check this little cooler here miss things like old-school big-time So I went ahead and unplugged because this is how they turn the evaporators on and off. They Just plug them in they got a thermostat here that Loops one leg of power down and back again to make the compressor run I'm assuming since my pressure is really low and they pumped it down that it's got a leak It's our 22 so I've got the one leak detector warming up We're gonna pop that front face cover thing off there and see if there's a solenoid in there Which I do not think there is So I was kind of hoping that we'll scan it real quick, which like I said, there's no No pressure in there, so it's probably not gonna do anything till we add some Okay, so one big advice that I would give you When you're having issues like this where you know, it's not calling suction pressure Make sure you put the high-side gauge on there About the time you don't You may end up having something pumped down somewhere like later on down in the system somewhere one of the valves Well, as you see here, we have nothing so this thing's completely empty So we're just gonna go ahead and throw it some trace in it and then we're gonna go ahead and put some nitrogen behind it You can find this this thing is a a wondering mess all over the place the line sets come out go through the walls Uncle put this in a long time ago back in the Umpteen ages ago, so it's our 22 on top of that the other one surprisingly working just fine All right, so we end up getting the nitrogen out went ahead and put about a hundred and seventy pounds on it area We've grabbed the leak detectors and find out where it's at All right, it's been a while since I've used this thing, but It's way too cold to be using bubbles out here and I can hear it real bad Right there on that you can tell obviously there's oil everywhere. Also. There's oil up here on that Pressure control right there, too You can see all the oil there on that so I'm gonna scan out the electronic on top of the The ultrasonic, but I can hear this thing just a ticking real bad right right there Never stop though. Let's go Inside and check the evaporator in there It's really cold out here, so we're gonna have to use some freeze-proof soap on that because it's way too cold out here for regular soap All right, so the drill is not getting it off very good And so because it's probably you know between 12 and 18 degrees out here, so they heated up with the hand torch I've got the pressure off of it, and then we'll go ahead and see if we can clean it off with the brush wheel after that It's just so thick from them painting that no see we can re-braze this thing You can see the problem was a soft solder that stupid thing, which this is our 22 and it was done probably 25 30 years ago So we got it all cleaned up all good to go there. I was gonna braze over it myself personally I've never had a problem brazen over that crap, so We're gonna do that real quick, and then we're gonna go ahead and get that little cruddy filter dryer over there taking care I'm gonna evacuate this thing. You know this is mineral oil So it's not as big of a deal as what PoE is still gonna pull a good vacuum and all that But it's not as problematic as what the PoE is what I'll actually do is just purge From the high side through and then push whatever's left in there out of it, and then then do the brace job real quick We can hear it coming through Like I said, we're just purging it through Tell You get any type of Pervance out of it, which doesn't sound like I am This will help to get us a quicker Pulldown feel getting all the air and moisture and anything that might have accumulated which I don't think it did Suck any air in because obviously the low pressure switch there would shut it down but We're going to get that breeze real quick, so we got it in there Basically I just looped it over there and sucked it into the joint just like normal the solder has a tendency to flow out I smack it off with my rod and Like I said, I then I fill it in you can tell that that's actual brazing there and we're good to go I'm just gonna do a quick pressure test on to make certain But from what I see we've got it and it shouldn't ever leak again So you probably wonder why is this box like this, but since they were under the winter time I'm going to say They probably close this up a little bit because when I open it It definitely brings in that cold air and the fan shuts off They can kind of modulate it themselves So we're just slowly charging this thing up. We've got the vacuum done and I Don't have a filter dryer. So I have to change it later since the dot indicator there on the Cyclase is green. I'm not as worried about it. Never did really go down deep You know never actually went into a negative. So I'm not as concerned about it It will probably change it when I come back because I have to come back from one of the other pieces of equipment anyway and I'll give you a chance to get some player dryers on my truck. I'm a little bit out on the quarter inch ones I've got plenty three eights and half and five eights and seven eights, but I don't have a quarter It's kind of putting the green juice goblin back in there Precious are pretty much about where you would expect them at it's cycling off pretty much right around the hundred degree mark and our Vap Rear's running right in there at about 18 to 15 degrees so it seems to me like it's tuned in pretty good Right a little bit more to it Just to kind of fill up a little bit of that receiver there because it went solid just a little bit ago Then I got to re-weight my bottle and see exactly how much I put in there And then I'm gonna mark that on this unit so we'll know for later