The manager, when i told him when i got here they're, probably leaving the doors open. He said. No, we don't ever prop open doors, uh, that's their freezer and it's propped wide open. They were in here about five minutes ago.

So, if they're, propping, that open they're propping the other door open too, this video is brought to you by sportlin quality, integrity and tradition, all right, it is sunday, may 8th um mother's day actually, and it is about 206 pm. We have a call on a walk-in cooler, they said it's all iced up. Clearly the drain pan is frozen, temperature controller says defrost and yeah. We got a lot of ice.

We have a two coil system, there's a coil over there, too. Okay, so this coil is in defrost and there's a big flaw. These have two speed fans and they defrost in low speed, which is not good if the coil starts to frost up. So i can tell you today that we will be disconnecting that two speed function, because that is probably partially why this thing is frozen up, but at the same time this drain line is solid, solid, hollow right there.

So it's frozen all the way back here. So that's going to be a chore getting that defrosted. I actually have a tool to help us with that, because this drain pan is also overflowing. So i put some pans down here: try to catch some of that water, we're gon na start disassembling this coil, getting the power turned off.

Get a water hose in here. We'll use some hot water, pull the fans out all that stuff and see. If we can't get this guy, the drain blown out first and then the coil is defrosted all right. I can clearly feel the ice in there, so i've got a map gas torch on there.

We need to be careful because we don't want the products of combustion to fill up this room and make it hard for me to breathe or displace the oxygen right. So i want to make sure we keep a door open every once in a while, and also we want to make sure that doesn't catch anything on fire, but we're going to let that keep running for a minute careful. We don't want to melt the solder either, but we just want to try to melt the ice and see if we can get this thing to start flowing so slowly work our way back. I have some other methods.

If this doesn't work really quick, then i'll show you some other ways that i have to get this defrosted so that side wasn't too bad, but we still need to break this side free, because this side is still a little frozen right in the top. So i just want to see the water start flowing and then once we can get the water start flowing from what i can tell it doesn't look like there's anything in the drain pan besides ice, so i've got a pan down below to catch anything that might Fall so it's starting to go now so once it starts going, the water will actually start melting, the other stuff, so we're just gon na. Let it keep kind of draining and then we'll start putting taking the fan guards off and putting uh hot water in there. From the top see if we can get it to start flowing, so it looks like this wasn't as iced up as i thought it was gon na be at least the drain line.

I got this uh klein multi-bit, and this thing is awesome because it actually can be installed in an impact driver too. So if you can pull this out with one hand, it's impact rated, so you can use it in your impact, but it's nice because it has all the driver tips on it. So it's made by klein. I got it from truetechtools.com um.

If you go to truetechtools.com and use my offer code, big picture, you can get an eight percent discount on checkout. I get a small commission when you do that. Help support the channel but uh yeah. This thing's awesome so uh.

Getting this all pulled off. Get this pulled off and then we'll get in there and start hitting that drain section of the drain pan to try to get the ice melted. So we can continue on with this repair. Okay, i can't get this one out because the ice is blocking it.

So we got to get some of this ice melted, so i can get the guard out, but something i want to point out. Judging just from experience, this thing has been defrosting and iced out for a long time and the defrost is doing its job. In my opinion, we'll see - and it just keeps uh icing up - probably because of the low speed fan motors, but you can tell because the ice is hard - it's not a frost, so it has melted, then refroze and then melted, then refrozen several times, and you can Also tell too that it's been trying to drain because it goes way down underneath there. So i got the water to start flowing.

You can see it running down the drain. So now i can go to town with the hose and also make sure that we get all of that running down. It's just gon na take time. I've got lots of pans to catch any excess water, but you don't want that stuff running on the ground, but it's going to take time to get it all defrosted, a little bit at a time if you methodically start melting the ice from the top to the Bottom, just working your way through what you can typically get is the whole thing to fall off the back nice, and even so, i haven't even done this side yet, but it saves you a lot of time.

If you do it that way, all right now um this is a moral motor. It's a three-speed motor. The way that it works is, it has three wires going to it's: 115 volts power, leg neutral and then, when it receives a 115 volt power source to this red wire, it slows down so in order to bypass these and make them run in high speed. All the time you just disconnect the red wire on this particular one now tape it off and isolate it.

That's what i'm going to do on this one, i isolated them. Okay, we also have a two speed relay that we're going to disconnect over here in time, but i'm going to finish with the motors first, but it's very important to disconnect this red wire instead of just disconnecting it at the relay, because what i have seen on These motors is this black and this red will internally short and then i've seen where one motor failed, but because it was only disconnected at the red right here. It actually slowed down both motors, and so what i had to do was disconnect the red from each one and then see which one still ran slow and then i found that we had one bad motor. So when you are disconnecting the two-speed option, make sure you isolate the red wire at the motor and not just at the two-speed relay and then we'll just disconnect the two-speed relay completely tape off the red wire over here too, and we'll be good to go all Right so all i had to do was pull the relay out.

Um the connect or the evaporative fan motors are still wired in to the correct power source, m1 and m2 relay comes out. All the wires come out and that's pretty much it. We just need to tape off this red wire all right, so this is the other coil. I'm gon na get this one defrosted real, quick and then hopefully we can get this guy turned back on.

That's just a little bit of ice because the drain line's been melting, a lot of it too, but that's crazy. How much ice is on these coils coils, all defrosted, except for the suction line, a little bit right here and then this panel, so we're gon na get this all melted and then we can start assembling before i put the fan motors in we'll tape up the Red wires and then we'll get over here and disconnect the two speed relay out of this one and get the little bit of ice over here too. I don't know why, but there's a t wall. I think it was for the beer system for some reason.

I don't know what they were doing with it, but there's this tea right here that someone just cut off it has nothing to do with us because our drains right there, it was never piped in right there, but someone's cut that off. It wasn't going to the roof or anything i'll, send someone next week to fix it, because it's just when i'm washing the drains out. It's just overflowing onto the floor. Luckily, this isn't a freezer and it's not going to get in the freezer, but it's still frustrating that there's water everywhere but, like i said i'll, send someone next week to cut that stupid tea out, for whatever reason i don't know why it was there, but we'll Cut it out, it wasn't us because our drains are right there and they were never piped into that.

But yeah. I don't know what the dysfunction is with someone just cutting that off like that. Okay, now this is the other coil and the secondary coil. This one was top to bottom front to back solid with ice, okay and the other one's way over there.

What top to bottom front to back indicates to me the other coil has the temperature controller and the other coil is affected more so than this one is by the door being left open. So more than likely this started because they were leaving the door open and the temperature controllers on the other coil, so the system keeps running and running and running until frost starts to build up, and the temperature controller has the built-in defrost on the other coil. So warm air comes in when it goes in defrost and probably because then leaving the door open again and it helps to defrost the coil, but the warm air doesn't make it over to this side. So that's why this one was top to bottom.

I suspect that when i turn it on we're, gon na have a clear sight, glass and everything's gon na be fine um, we'll throw a temp sensor up there, just to make sure the temperature controller is accurate, but i don't think there's gon na be anything wrong With this system other than the door being left open, the manager, when i told them when i got here, they're, probably leaving the doors up, and he said no, we don't ever prop open doors, uh, that's their freezer and it's propped wide open. They were in here about five minutes ago, so, if they're propping that open they're propping the other door open too systems running sight, glass is clear: i'm not going to spend too much time on this today, oh snap, i was wondering where my shoes were. I've been rolling around barefoot for a couple weeks. I wondered where i left those things cool.

Well, i don't got ta walk barefoot anymore, anyways, uh, yeah, sight glass is clear, so i'm going to leave this be for the rest of today, we'll come back tomorrow or the next day and we'll go through the system once the system's completely down to temp. I'm going to go, spend mother's day with my wife or the rest of mother's day, uh, maybe barbecue with the family. So that's it for today and uh we'll get back out here. We are back.

It is a couple days later: no ice on the coils all as well. I'm going to cut this little section out got a little piece of pipe here. I always keep scrap piping, my truck get rid of that real, quick and then we're going to change an evaporator fan motor on their walk-in freezer coil. A tubing cutter is not working.

What the heck it's one of those auto cutters. Damn thing! Oh, i don't think. There's anything wrong with the tubing cutter: it's got a busted drain line. I bet you that thing froze at some point.

That's weird! Oh yeah, nothing wrong with the tubing cutter, this one's all jacked up too. What the heck man this whole drain, line's busted up! Look at the bottom of that drain line. It's all broken right there and right there. Look at that! All cracked, that's nuts, must have froze at some point.

So the only downside is is that black in the inside of that so i'll have to clean it. But it's all good we're gon na let this guy cool and then we're gon na do it. I put a union on this side and just a normal coupling on this side. That way we can blow the drain out.

If need be. So now i don't have any insulation so we'll just have to foam tape. It i forgot to bring some but it'll. Be fine.

Just need to tighten this up. Some channel locks all right. It's not perfect. You know if i'd have brought insulation.

It'd have been nicer, but then again too, i don't typically have that half inch insulation of the shop but regardless um repaired it put a union there we're good to go um, not really worried about that section right there we're going to uh go into the walk-in Freezer now, because we have a bad evaporator fan motor in there, this is the motor that wasn't working, there's a piece of plastic or something stuck in that one, but uh hitting something the motor's got like ice all around it too. We'll pull it out. Hopefully the blades not damaged yeah. I don't think that motor is gon na work anymore.

It's all full of ice too, we'll get it swapped out and now all the motors are running. So i don't see any need to go any further, because the sight glass was clear when i was here the other day, there's no ice on the coils, the customer's not complaining. I just saw that one of the motors wasn't working so we're not going to dig any deeper on that we're going to close this one out and that's it so that was a nice uh mother's day service call. You know i try to bite my tongue.

I try not to show frustration. Of course i don't show frustration to the customer. I keep it to myself right and i show frustration to you all, because i feel it's important for you all to know that i'm normal and i get frustrated. But i also have a filter, and i know when to keep it to myself and let it out somewhere else right because of course, i'm not going to throw a fit and start throwing tools and yelling at the customer because they called me on mother's day.

Right. Um, i get frustrated you know and but but again i keep it to myself. Okay, this clearly had been happening for a very long time and i did discuss that very politely with the customer because he's like yeah, i was fine yesterday and i go no. It wasn't, i said, with this amount of ice.

This has been like this for a couple days and it's been building and building this isn't normal. You know and he's like. Oh okay, you know so, and i explained that to several managers on duty now, here's the biggest thing - and this is where i understand yes, i get frustrated okay, but these restaurants are going through a lot right now they have a turnover rate of employees. That's through the roof, the management can't even keep up with it, they're lucky to even keep managers right now and it's not just one restaurant chain - it's almost all of them, they're all struggling to find people that want to work and there's a lot of reasons.

Why you can get into socioeconomic blah blah blah blah blah jargon, stuff, there's all kinds of reasons as to why they can't keep employees and stuff okay, but inevitably i'm there to fix things. And yes, i get frustrated, but i know when to keep it in and i just need to get it fixed okay. So, yes, it was mother's day. Yes, i wanted to spend it with my wife.

I wanted to, you know, do things, but it worked out. It was okay, it wasn't that big of a deal i was gone for a couple hours. I was still able to make it home. Have a barbecue do some stuff with the family, so everything worked out and everything turned out.

Okay, all right, but so as far as the service call goes, i wanted to address something the two-speed fan motor. So here's my policy because i installed this equipment and i left the two-speed fan motors wired up from the beginning. It has been a year and it's it's been like two years. I think, since i installed this equipment, maybe at least a year, maybe two since i installed it and we haven't had problems yet, but clearly the customer's having an issue leaving the door open.

So i took the two speed um, you know fan motor equation out of the picture. It's just completely gone, and now we have a standard defrost. Okay, so i try to let it be, and i've had this happen on a couple of different other locations too, where i left the two speed fan motors wired in and once i started to notice notice freezing up issues, then i took the two-speed fan motor out Now i have other locations that have had two-speed fan motors for longer than this location. Okay, so i'm not just going around deleting that from every single system.

I'm only doing it when there's problems. Okay. Now i do want to address the fact that i talked about when you delete the two-speed fan option. You don't want to just disconnect the relay, because i have had a motor where internally, it shorted and it made both the motors run on a slow speed, because it was only disconnected at the relay and because they were still interconnected via that red wire.

It was this exact same coil setup. It made both the motor spin slow. So once i disconnected the red wires on each one, then one of them sped up and then the other one stayed slow. So i knew that that was the problematic motor and went ahead and changed it.

I don't know if i made a video on that or not but anyways all right, um and then the last thing is uh. You know just i start to notice trends. Nobody's ever told me anything about the ice and how you cannotice patterns, i've just defrosted enough coils. I am an official professional ice.

Melter, okay, i know my stuff, no i'm just kidding but um. You know i just started to notice patterns and trends, and i can kind of tell what looks like ice has been melting. You know, if you see a coil, that's just frosted up. That's typically, it just happened.

If you see thick ice, that means it's been like that for a very long time, if you see clear ice, it typically means that it's melted, refroze, melted refroze, like there's a lot of different patterns that i notice. Okay, if we're observant - and we use our senses as professionals, we start to notice that kind of stuff okay, so i really appreciate you all making it to the end as usual, if you haven't already, please consider checking out my website hvacrvideos.com, it's a cool way to Help support the channel. We got a t-shirts, hats, beanies, sweaters, all that good stuff. We have women's t-shirts on there, v-neck t-shirts with the women's cut, they they're the flag shirt.

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