This was a walk in cooler call on some really old equipment, we got it operational and were able to utilize the ZoomLock max fittings to help get it done!
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00:00 TEASER
00:11 SPONSOR CARD
00:17 VIDEO START
00:22 PRESSURE CONTROL ISSUE
00:57 WTF MOMENT
04:17 EARLY MORNING START
05:00 MY GAME PLAN
06:02 CRANE LIFT
10:08 AMAZING ATTIC SPACE
11:11 LINESET TIPS
11:40 ZOOMLOCK MAX FOR THE WIN
15:09 PRESSURE TEST
16:14 LEAK SEARCH
17:27 IT'S ALIVE
19:36 LIQUID LEVEL CHECK
21:17 EVAP SUPERHEAT
22:13 CLOSING WORDS

All right., So we've got all pressed., I mean it all. Prepped and everything and everything's good right on there. And all you got ta do is push the button.. This video is brought to you by Sporlan quality integrity and tradition.

All right. This one's starting a little differently. Had another technician out here, had to put some gas in the unit, and we've talked to the customer. They're going to replace the equipment, but it's leaking pretty bad..

So we need to come in and try to solve some of the other leaks to slow it down. Until we can get some new equipment. And I was just doing a visual inspection starting on the roof and the yeah pressure control bellows. Let go sprayed some big blue in there..

I could hear a noise.. I just came up onto the roof, waited for it to start turning on shut it off., And then I got a big old giant leak. It's equipment is beat down., It's a walking, dumpster fire.. The king valve on the receiver leaks like crazy., So I have it pumped down.

I'm going to throw the cap on it.. This is one I made a video about this before the dryers going in the wrong direction.. That's a joke! Too. I've been looking for an excuse to correct that, but I don't know if we're going to get to do it today, because more than likely not going to be taking all the refrigerant out of the system., What I'm going to end up doing is turning it On and letting it pump down.

We're going to pull down into a net, or you know just about negative pressure. Maybe ten PSI They're going to shut the unit off and change the low side pressure.. I only have a high and a low.. I don't have a dual., So we're going to have to make that work, but we're working on it..

So what about seven PSI? That's about enough.! Now it's still going to be leaking out because it has that leak on the low side.. It's going to take a little while, but we're going to go ahead and undo we're going to mount a pressure control. And then for the high side, because the high side is actually on there and there's no Schrader there, because there's no Schrader Depressor in here we're Going to have to leave it hooked up and we're going to have to put a separate control connected to the receiver.. It's not ideal, but it'll get us by for now and again..

This is because the customers replacing this equipment and they want to spend the least amount of money of course. Best case recover the gas change the dryer re-pipe that .... Whatever debacle you know, pressure controls all that stuff., But this is how we got to do it. This time.

All right.. I got low pressure on the bottom. High pressure on the top.. I took the existing cord that was going to the other pressure control right into low pressure..

This way I can run the system right now., So this is now out of the picture.. It's no longer leaking.. This high side right here is going to have to stay because there's no way unless I recover the gas., So we'll clean some things up., But you can see that I did it with pressure. Still in the system and literally 2 seconds, you just put it down, pull the old one off put a cap on it, get everything ready put it on nice and good., All right.
We're all wired in.. Both of these guys are good to go.. I again. This is all just kind of they don't want to spend a bunch of money., So capillary tube lines.

Run. We put silicone there, so they wouldn't rub out. Same thing. Over here., We zip tied everything make sure that we weren't going to run into any rub out situations.

Look at that. That little bee right here. It's going to get stuck in the silicone in a minute.. So my last thing that I need to do is check the liquid level on the receiver, so that dryer, like I said, is going in the wrong direction.

But the sight glass is not flashing.. Ok, so it hasn't lost enough charge that it's going to flash yet. And when I got here earlier, it was running above the cut in pressure of the head pressure control valve, which is 180 psi.. So we have no way of knowing how much refrigerant has leaked.

Out. So therefore, the last time we had someone here, they filled it up to the three quarter level while it was pumped down. So we can check the liquid level. I'll, get my thermal imaging camera and we'll check the liquid level to see where it is and we'll fill it up to the three quarter mark because I'm sure it leaked a little bit out..

So it's not a perfect situation, but you know it is what it is. And, like I said on that guy, I can't take it off because there's no Schrader right here., So I would have to recover the entire charge and the customer wants to try to avoid That, if possible., So it's getting the trailer loaded up this morning and we got an early morning - crane lift is going to change our walking cooler, condensing. Unit and evaporative. Coil..

So just going over everything in the trailer got lines sets some some extra wood. I had laying around the shop and tubing bender. So we're going to get on to the job now.. I'm super early., It's 6:02 a.m.

Monday May 9th jobs not scheduled till seven., But I was like. Get out of the. Shop.. I like to get places early.

I'd. Rather be there before the customer wait for a little. Bit drink my coffee, kind. Of a thing., So I spaz, if I'm not there, early.

But., All right, let's get on with it. All right. This is my equipment that we're replacing.. So what I'm going to do is I'm going to pump the system down, get all the refrigerant stored in the condenser., We're going to cut the line, set, lift it off and then one of my techs will recover it down on the ground..

That way, we don't have to bring up all of our equipment.. So at this point just got to put some gauges on pump it down shut it down, lift it off.. So I just front seat it., That's the king valve on the receiver.. The outlet of the receiver pushed it all the way up into it., And it's currently going to pump down right now and stack all the refrigerant in the condenser in the receiver.
Normally, if you just have a normal receiver, you can't take your gauges off., But because there's a service T right there, I'm going to be able to take my gauges off. Take it off the low side, cut the line set and then let them deal with it downstairs to get the gas out of it. All right. We're ready to go..

I went out and cut the line set with the saws all because of replacing the whole thing. And then also this walk in freezer over here is iced up., So I threw it in a defrost. While we're waiting. We'll just keep pushing the defrost until it's all Melted because we got all day today to change this cooler.

So we'll be here all right., So we're going to be putting equipment right in here. We got the old coil taken. Out. Everything is going to swap new lines., That's going to be here..

Electrical is going to be there., So we utilize that whole for the electrical. And then we'll drill a new hole like right. Here. That way we can.

Come down, have a P trap and then go into the coil and have a place for the sensing bulb to strap.. A lot of people. Forget about that sensing bulb.. So looking good, so far.

Just got to keep demoing a little bit.. We've got the convention unit kind of set where it's going to go.. We can still move it. A little bit..

The line set was coming out. There. I cut the wood out nice and square. We're going to come up with a new line set and then we'll seal that all up.

Looks like the last time we did when we didn't seal it up., So we'll make sure we do that. And uh going Good so far. Other than that. The little things that make a refrigeration tech happy when I'm running a line set - and I have this much room - this is a dream job..

I don't want to speak too soon, but it's going to be nice., So we're going to get up here draw the line set penetration. It's a team. Effort, because then they got to hang. The coil put the bolts up for me, I'll, put the- we'll sending the bolts up and I'm putting the nets and everything on up here.

All right., My lines that we already. Pre drilled the hole. So it's actually going to penetrate right here.. So I have someone down there., There's a hole right there., So I have someone down there to catch all the drippings..

So I try to bring everything I need because we're going to run the line set while I'm up here, too. All right.. Now we've got the line set run. Down, we still got to strap it., I'm sending someone up here to do.

Electrical too. So we got to get these bolts.. We sent them up, we got to get them cut short.. We got to get that taped.

And strapped down really good.. Then we got to get Conduit. Ran from that box over to that hole. Over there, which is the old line set hole.
We're going to utilize. That for the conduit then., We'll seal everything up when we're done. All right.. So we did a one piece line set in the attic and I bent it up.

Here.. We still got to make some connections. We got to reduce the pipe size because the load only requires five eighths. Three eighths..

Just because this is seven eighths doesn't mean the line set needs to be seven eighths.. It really depends on the load on the system.. Ok, the type of refrigerant.. So this particular setup calls for five eighths three eighths., So we're going to do that.

We'll do reducing fittings from seven eighths and half inch. We're going to do press fittings. The zoom lock max fittings on this.. Ok, we've already stubbed out our copper right.

There. We've got it marked and prepped.. It's very important that you understand.. Let's get this guy to focus.

There is laser engraving on some of this copper.. It says Mueller Industries right, there.. Ok, it's literally right where my finger is right, there. It says Mueller Industries.

And it's it's a notch in the copper.. You have to make sure that the zoom lock Max fittings, oh ring is not going to go over that. And if it is, you've got to sand it down., But we're nice and good.. We've got it marked with a marker., We're d, d, bird and everything..

So we're going to get ready to press this guy, all right., So we've got no pressed-, I mean it all. Prepped and everything. Everything's good right on there. And all you got to do is push the button done.

And then we got to do the five eighths.. Now, as you change the fittings, you need to run the tool through a full cycle, get my mark still there.. So we know we haven't, moved it's good to go. Now.

We're going to do the three eighths. All right, so we ran the tool. We'll. Do it one more time., Real, quick.

We change the size because we're going from half inch to three eighths., Get it right. Over. Make sure that we didn't come out.. I can still see my marks so we're good good..

Now we need to do the last one, the three- eighths, So it's so important that we do that. Mark.. That way we're press and you can tell if it pulls out. Ok, three eighths is in the last one all right.

We're all done.. We still got a tape up the line. Set., I'm going to have someone else, wrap this up., I'm going to go downstairs and start doing the evaporator and then, when we're done, we'll do a pressure test.. So we've got it all prepped and everything we're in.

We marked it. We're just going to go ahead.. Actually, look I almost forgot.. We need to go to all in one cycle just to make sure.

There we go. There's one there's two, this one. We'll go from here you go and this one will go from there. All right..

So we've done all those. We're going to wait to do this one right here, because I got to slide the insulation on first. So., But we're good. All right.
We're all. Pressed in liquid lined straight in. These liquid lines that come with these Mueller line. Sets., The soft copper they're like so hard to make straight, but whatever.

That's a hidden, spot. Anyways. I went ahead and use the outdoor insulation.. It doesn't look.

The greatest on the P chops but.. It is what it is. But we're all pressed. Everything's in..

We got to start taping up the holes, so we can spray from from the top.. I always go with a bigger hole. So that way we don't have issues running the line set., But we'll tape it all up, and then we got to go. Do a pressure test on the roof.: We got a tape of that hole over there too.

All right.. We are doing a pressure, test. You're, going to get this up to about 150. 200 PSI somewhere in there and test it all.

And then we have got no leaks., Then we'll go out and do the evacuation.. When you're doing a pressure test you want to put the nitrogen in there. Then you want to let it sit for a few minutes, because the pressure was kind of changing.. We were probably playing with the oil in the compressor., Who knows So.

We let it sit for a little bit and then we go ahead and hit a tightness test and then hit start. Ok And then now it's going to do temperature compensator and we're going to watch it and see what kind of a change we get if anything at all.. I just had to restart the tightness test, because I realized that I didn't open up the receiver yet and I wanted to test the whole system as a whole.. So I cracked the king valve on the receiver put that guy on there and we're going to hit start again..

All right. Did a pressure test on it to 220 psi.. We actually gained one psi ran for about 10 minutes., So we're going to go out and get the evacuation running. All right..

We passed the pressure test., We passed the evacuation decay test., But we're still I put about 50 PSI of refrigerant in there just to be safe. And we're going to do a leak search on everything. Now, normally I say, don't keep the fans on, but we're just minimal right, here., So they're good. And then there's one right, here., Brace, joint nothing.

And then there's another brace joint right here.. I just slid the lines. Nothing.. We got one last one to.

Check right. Here. So I'll do that and then we'll go upstairs.. We are going to mount the sensing ball.

Two on the evaporative call. Got that one right there. And then just. To be safe.

I'm jiggling the lines just moving them. Making sure nothing is leaking nothing. Nothing.! There's! No refrigerant leaks on this guys.. This is good to go., So we've done a pressure test..

We passed that we did an evacuation and a decay test.. We passed that and we took the electronic leak detector., I'm using the D.R. 82 and I'm using it on Turbo, which is like false reading sensitivity like if you jerk the thinking goes off. So I'm confident we.
Don't have any refrigerant leaks on this guy.. So we're going to mount the sensing bulb and then proceed with charging the unit, all the way., All right.. I started it. Up.

We've got a couple pounds of refrigerant in it about 3 pounds and we're just going to clear up the site glass and then we have to add the flooded charge. Now heat craft. Does a I'm sorry Russell.! That's what makes this condensing unit.. They do.

A great job in their paperwork., It tells you how much gas to add for the winter. Charge., So 3.8 lbs, is what I wrote right there. So after you clear the site, glass above the bypass pressure of the head pressure control valve, then you add that extra Refrigerant and you should be good for the whole winter charge., So we're going to go out and clear up this glass right, now. All right., It's very interesting on these new A.f compliant units they have on some of them.

They have extra sub cooling circuit.. So it leaves the receiver goes back into the condenser. Does another like two passes then comes out through the liquid line, filter dryer and when they do that, you can actually get measurable sub cooling.. Look at that., You normally on receiver systems.

You don't get measurable sub cooling, but they have that extra sub cooling circuit. So our sight glass is now clear. All right.. So now that it's clear we're going to go ahead and add the flooded charge, which is the extra 3.8 lbs of refrigeratant..

So we're going to and also I'm going to pump down the receiver and check the liquid level and mark it for the next guy. You know because it may be out the three quarter mark and maybe at the halfway mark., But we know that this is the calculated flooded charge. And mind you they're calculating it using the flooded charge method. That's Sporlan has done the 90-30-1, where you calculate the internal volume of all the condenser and the piping and everything., And then you figure out the minimum and the temperature it's going to operate.

In. So check out 90 dash 30 dash one for a tube and thin condenser.. That's the way that you're going to calculate flooded charge.. So sometimes manufacturers do the math for you like Russell Refrigeration or HTPG.

They did the math and calculated the proper flooded charts.. So we know that once we clear the site, glass above the bypass pressure of the head pressure control valve, we then add that extra refrigerant and they calculated that to be 3.8 lbs And again it says that in that book you just correlate the model number of The condensing. Unit and tells you all. Right.

So if we look at this guy, my liquid levels now right here right at the three quarter mark on the receiver, I don't want to put any more gas in there than now. Higher than that.. You can clearly see it right, there. All right..
We marked it the liquid level on the receiver.. We wrote 11 lbs, 4 48, A He wrote it in several places. Also write it in here. When I put on my data.

So we're looking good., We have measurable sub cooling at the liquid line. Filter dryer the system was in about 43-42 degrees. Last I checked.. So it's come down a little bit..

We started the system back up now. We took out the defrost clock.. There was a defrost clock in here where we eliminated it, because we have a KE2, 210 plus defrost controller downstairs.. I also installed a time delay to protect the compressor right here.

So that way, when it cycles off on low pressure, it has 180 second timer, because our 90 second timer before it tries to restart uhhh no-. It's 180 second-, so yeah everything's good.. I've seen it turn on and off on low pressure., So we're good on that.. We just need to watch the box come down to temp last things., Keep in mind.

We have 11 degrees sub-cooling and that number will change as the temperatures rise.. Ok, we have. It looks like. Yeah something's, going on with the pressures right now..

I don't know if I just had a bad. There, you go.. Oh it looks like it's pumping down. Actually.

Yeah., You know just satisfied, so we had about 25 degrees, compressor super heat.. We still need to get the evaporator superheat. So since it's satisfied as long as it's not in defrost, maybe we'll do the evaporative super heat today too, but we'll do that from downstairs.. So yeah we're just putting the panels on and I just got to write some notes on this side.

Panel.. It turns out that it wasn't satisfied and it was actually on defrost, but we went ahead and took it out to defrost and we're running about 14 degrees. Evaporator superheat, The box temp, is still about 43, but it's going to drop down.. That's pretty good.! I'm not going to adjust on that valve because I imagine it's going to drop down to about ten to 12 degrees.

We're just going to let it be. Everything. Seems.. Fine in there.

No issues the sensing bulb is strapped., So we're going to go ahead and just adjust. Some parameters make sure we have enough defrost on that guy and we should be good to go.. We got all the holes sealed up.. We basically up in here.

We foamed on the top and we have this metal tape that looks like the texture of the walking box.. I just get that from the supply house. Yeah., So I think we're going to be OK., I'm not going to just not to superheat because, like I said, it's still probably going to drop a little bit out of the box, temp drop.. So we'll come back in a couple of days and follow up just to make sure.

But yeah. This is it for this one. Those pressure, control leaks, always tripped me out.. So it's it's amazing how.

That I had another technician out here and the unit has. Leaks. All over the place. And um I was coming out, I had put them, get had them put gas in it., It was like a week and I had to put gas in it., And then I was coming out on a Monday and there's no way that that Was leaking when he was here because it wouldn't it lasted that long like that thing just blew out, because I could literally hear from across the roof.
When I came up, I could hear whistle - and it's like that - wouldn't have made it through the day.. It would have leaked out all the refrigerant was nuts. So, but it just kind of blows my mind sometimes.. You always don't ever ignore when you're looking for leaks - and you can't find them.

Always go to your pressure controls.. Your pressure controls can always be a culprit.. Another one and I haven't been able to catch it on film, but I've seen it a couple of times in my career And this one will blow your mind as if you have an encapsulate peanut style pressure control with the two wires coming off of it.. With those things will leak, but they'll leak inside the jacket of the wire right, So you won't be able to find a leak.

And then you go to the where the wires terminate where the wire nuts are at. And you grab right there and it'll be leaking.. Like it'll blow your mind when you see it that that's another one, that you always want to keep your eye out, for. But anyways, so we got the equipment kind of working right because the customer needed something better than they had..

This was actually started a couple months. Ago. It had been. I think that was back in January of 20 22 was when the video started.

And then now it just ended in May. It's May 9th of 20 22 now.. So it's been a couple of months.. We were able to get the equipment operational got him going and the customer ordered new equipment..

Now this customer purchased their own equipment, so I had no control over the you know what type they purchased.. I was actually really impressed, though, because that condensing it was super nice very well put together, came with Sporlan components in the evaporator, the condensing unit.. I was super impressed with that., But we try to prep that stuff at home or at the office whenever possible. Putting the disconnect switch on.

If the coils were bare meaning they didn't how come with TXVs and stuff, then we would put all that in., But they bought a fully prepped coil. So it came with the TXVs installed, but we like to do that.. I installed the temp control on the coil and stuff back at the shop so that way, when we get to the job site, it's you know easier right, Less stuff. You have to spend a bunch of time getting ready., So we were able to set the equipment.

The crane put it down, everything was good. And then it was about getting everything ready.. So when I'm going on top of a walk in box or whenever I have anybody else, go up on top of the walk in box, you really want to think way ahead because it's best, if you don't have to get up, get down, get up, get down. Get up get down.
Like try to get as much done when you're up there right. So I went ahead and went on top of the walk in.. It was a super easy walk in to get into and we you know, drilled the penetration to go down into the box.. We ran the line set.

Had someone else get up there do the electrical cut, the bolts you know, but we tried to do as much as possible, so we didn't have to keep coming up and down right. So once I got the line set ran that I went under the roof started. Bending copper, getting everything ready., We went ahead and use the zoom lock max fittings. I'll talk about that in a few minutes.

And we were able to get the equipment installed.. We were out of there in 8 hours.. It was good to go.. We had a couple of guys there helping us out and we didn't have so all together..

We had five people there, but we didn't have five people working the entire time.. We had five people., Then after the first 2 hours 3 hours, we peeled one guy off. You know., So we tend to go over crazy with labor in the beginning, just to make sure everything's moving and get the equipment in and out, because we show up. Like, for instance, I showed up at the job site at 630..

The customer got there at seven. The crane was there at 715., So we had to pump the equipment down, get it disconnected.. So that's why we have so many people, because we can just hit the ground running, get all the stuff removed and then once we get the equipment set. The coil hung boom, I get a technician off and I send them off to do service calls..

So that's what we did. And then I was left with four guys right And then another guy just finished up something on the roof. With the electrical boom., Then I peeled him out, sent him to go. Do other things - and you know in the end we only had two people there, so we kept peeling people off as we didn't have anything else for them to do., And you know, then we got everything going..

So we went ahead and replaced the evaporator downstairs too.. We went ahead and sealed up all the holes., It's very important.. I use that metal, metal tape.. It has a textured finish to it..

I don't know the name of it.. I get it from my local supply house. Rsd refrigeration supplies distributor, but I think they have it at other supply houses too., But anyways. It's like a metal, foil tape..

It's the texture, the walk. Ins.! We put that down spray foam everything seal, it all up.. I did seal that roof penetration on the roof. Too.

Had my guys taped that up. We sprayed it with spray foam, got that going.. Ok, so the startup went OK.. The super heat was a tad bit on the high side, but I want to give it a day to just kind of break itself in and then we'll go back out there and follow up and check on it..
When I left it. I think it was at 13 or 14 degrees and I was like Yeah. I just don't know. If I want to adjust on that yet.

I'm going to let it kind of break itself. In., Then we'll go out there. Ideally on a walking cooler like this. We want around eight to ten degrees, would be ideal., So give it a couple of days.

I'll I'll check on it again., But the box I was able to see it come down to 41 degrees. You know all was well and, like I said I was in and out of there in 8 hours, my other guys, I had one other guy. That was there for 8 hours and then everybody else was like in and out of there in 3 hours 2 hours. You know it just peel them off as we didn't need them anymore..

So we try to use the labor when it's beneficial., But then, when I got nothing else for them to do, you know, go do service calls.. So I wanted to address the Zoom lock max fitting.. I know there's a bunch of you know contention on whether or not you should braze whether or not you should use a press fitting or whatever., And I'm going to tell you right now that I don't use press fittings all the time. Ok, But I do believe in them and they work great..

I have several jobs out there that I've had press fittings installed for a couple of years now and they've been working great, but it's all about the prep. Ok, so I've got a couple right here.. This is a five eighths trap, also just so that you know spoil and makes these traps that don't have suede stains on them right. So you can get those from Sporlan.

You can get dryers that don't have suede stands on them. Sporlan has those two. They've got valves, they've got all kinds of stuff. Right, So Sporlan has a ton of fittings..

They have ball valves all kinds of stuff that you can get where you can press on to it.. Ok, so we use these p traps right. Here.. The fittings are pressed on, but really what I'm pointing out, though, is this: it's all about the prep..

You got to sand the pipe you have to polish, the pipe.. You can't just take sandpaper to it.. There can't be big scratches in it or anything. Like that., And it's so important..

I can't stress enough. You cannot have that laser engraved. Writing the on my line. Set..

It said Mueller, Industries. Right.. You can't have that because that is a potential leak. Source..

The refrigerant can go under the gasket and go through that little writing right there.. So you need to be very, very careful, now., So always pay attention. Look at your pipe make sure you prep it properly make sure you mark it right.! This one has markings before I pressed it., So you make sure you market, you make sure. That's all good.

And the mark is very important because that lets you know if the fitting moved., OK, it's also good to Mark. If you can, you do use their depth gauge tool., You mark right here and then, when you're done. If you actually put a mark on the bottom of the pipe right here right, then it lets. You know that you're still lined up to your line and nothing move there to.
So it's all about the prep with this stuff. And if you're going to be doing working in jobs where you have to get hot work permits and things like that. That's where this stuff shines right And if you're doing a big install once you start prepping and you get into a groove, it can save you a lot of time., But you just have to be meticulous about how you clean the pipe and make sure that everything Is nice and good deburring it when it comes to the Zoom, Lock Max fittings like you're, not so concerned about the inside of the pipe as it's concerned to the fittings.? Ok when it comes to the O-rings that are inside these fittings you're concerned that when you push the pipe into there, that it's going to damage that O-ring.. So you need to make sure that that the outside of the pipe is actually bird..

So there's almost going to be like a beveled edge where it's it's nice and smooth and rounded.. You shouldn't feel anything sharp when you're pushing that pipe into that fitting. Ok, very, very important that you're prepping the pipe properly.. That's like the key to this stuff.

Ok, This is not dumbing down the industry.. This is not going to allow homeowners to go, install their own equipment. Right.. I'm sure that there's going to be a homeowner out there that can install his own equipment..

I mean that's inevitable, right Guess what We work on our own cars. Too., It's inevitable that people are going to do their own work. Ok, But if someone thinks that they're just going to go, buy a bunch of press fittings and start shoving them in a pipe and pressing them on and walking away, that's not how it works.! You still have to follow proper refrigeration. Practices..

Now I said that we weren't as concerned about the inside of the pipe when it comes to deburring, but I said when it concerns the fittings you still want DeBurr the inside though, because you don't want metal shavings or anything like that, making it into the expansion Valves or anything like that., OK, so I'm not going to stand on a high horse and say that I use Zoom Lock Max fittings all the time.. I don't. I've used them a few times in certain situations.. This was one where it presented itself..

It was a good opportunity and I went ahead and use the zoom lock max fittings.. Ok, I believe in the fittings.. I think I've been using them or I have been using them for a couple of years now and they work good for me.. But I'm just going to tell you it's all about the prep.

Ok, The prep is key.. No, I'm not going to not braise anymore.. I still braze right. Putting in the expansion valve..

You still have the braze and the expansion all that kind of stuff.. Ok. So I'm still going to do it., But on a new install in certain situations, it's going to make sense to use the Zoom lock Max for me, because it can save me a bunch of time., OK, but it's just all about the prep.. Also.
The other thing you can use the Zoom lock Max on. Soft copper, or., Hard, drawn copper. You just have to make sure it's in really really good condition and that it's not all beat up and dented up if it's soft copper.. Ok.

So in this particular situation I did a one piece line set, so I bent it all in the attic right. It comes down at bands and then it goes down.. I did all that in the attic., So there's no press fittings. I usually do that even when I'm brazing and I try to have one piece attic line set.

So that way, there's less things to worry about. When it comes to looking for leaks, potentially in the future right If you're, braising or pressing the fittings. And if you can keep everything out of the attic and just have a one piece line set, that's ideal because then, if there ever was a leak - and I thought maybe it was a fitting or a breeze joint boom. I just go downstairs of the evaporator leak check, go upstairs to the roof leak check.

You know, find your problem and move on.. Ok when it comes to these, though two another very, very important thing is that you need to support the piping right So up on top of the walk in, I have several clamps holding the piping down. So that way, it's not shaking around.. It's not going to get moved around.

And then we have short enough runs downstairs and upstairs that I really didn't need to support it because of the way that everything was ran.. It was all good., But you don't want to just have this stuff just wave in on the roof, with these fittings and stuff like that, because that is a potential problem for a line breaking or something like that.. Ok, so there's not really too much more to talk about in this video is the key thing that I want you to take away. Is that we need to take our time and do things as best as we can right, Prep things when it comes to brazing when it comes to pressing when it comes to installing equipment getting up on top of the walk in? It's all about thinking ahead, trying to plan the job out having a game plan taking all the stuff you need up there, so you don't have to go up and down a bunch of times and just trying to be as efficient as possible..

Ok, I really appreciate you guys making it to the end.. It's amazing., If you have any questions, leave them down in the comments or you can send me an email to HVACRvideos @ gmail.com. Um. I really appreciate all the support.

It's just so humbling from all of you., So thank you so very much. Remember to be kind to one another.. It's definitely crazy out. There.

Just remember that. Ok, when someone's being a jerk to you or something not justifying anything. Just remember you don't know what they're going through. They could be having the worst day of their life, and you may have just approached them at the wrong time..
So just keep that in mind.. Remember be good to one another and we will catch you on the next one. Ok.

2 thoughts on “The walk in cooler is leaking somewhere….”
  1. Avataaar/Circle Created with python_avatars Slugbunny says:

    The crane's swings looked like there was a huge gale or inexperienced operator, but it was just on fast forward! 😂 Got me good.

  2. Avataaar/Circle Created with python_avatars Lil Chingus & BIG Picture says:

    Hey now

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