This is the HVACR Videos Q and A livestream originally aired on 5/13/19 @ 5:PM (pacific time) where I discuss my most recent uploads and answer questions from emails and the chat.
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Good evening, everybody, how are you guys doing this evening? Hopefully everybody can hear me loud and clear, and I'm coming through got a couple things as usual that I want to cover and then I will start getting to the chat and answer some of your guys's questions. In there, so hopefully you guys had a good Mother's Day and got to spend it with someone that you care about myself. I was on call this last weekend. Well, I had another tech, who's kind of like a beginner tech who was on call and he he handled actually some of the calls by himself and then I did have to go out because we kind of got bombarded towards the end of the day.

So I got a I went out and helped him with a couple of them so yeah I was on call, but it was a good weekend. My wife had to work too she's a waitress, so she had to work on Mother's Day. So we were able to see her in the morning and then we all got to meet for dinner at the end of the night. So we were not like majority of crazy people out there.

I don't know if any of you guys did it, but we don't go out on those busy days. So we didn't go out to go, see any restaurants or anything. We just had some dinner at home and tried to avoid the craziness and the crowds and all that so I see some of the questions already coming through and I will get to those guys. So, let's uh, if I, if I forget or something like that, don't hesitate to put them back into the chat again and I will try to get to them.

But I want to cover a few things, real, quick and then also for those of you guys that are in the chat right now. I encourage you guys to stay watching the stream as long as possible because I will be doing a giveaway somewhere through the stream, for I finally got what I had ordered. I'm gon na be giving away a copy of the commercial refrigeration, but I dig worse so it's the newest version that they have so I'm not gon na. Do it right now, but will let a few people come into here, but we're gon na? I didn't announce this anybody because I wanted it to be a giveaway for the people that come to the stream regularly.

So that's why I didn't want to make it like a big ordeal or anything like that. I just want to make it for you guys that are in there and to be eligible. Essentially you just need to when it comes time. It's not time to do it right now, but when it comes time you just got to be act in the chat and I'll tell you guys win and then that way the nightbot can pick a random winner and I'll get it shipped out to you guys.

Now the only specification that I have is that, if you guys are not in the United States, then we'll have to work something out with the shipping, because I can't afford to pay. You know for a ton of shipping costs to ship all over the world or anything like that, but we'll try to figure something out. So if I do when it comes time and I'll say all this stuff again once that time comes so but again it's not right. Now, it'll be a little bit later.

So Gordon farmer, thank you very much man. I really appreciate it. Yeah Justin I um. I didn't announce it to anybody.
I just wanted to make it a surprise. So again you know I want to try to do something for you guys that come in here all the time, because I really appreciate you guys doing that so and you know I could have made it bigger and stuff but yeah. Let's not do that right now. So I just want to go over a couple topics here in a female and then I'll get to some your guys's questions and stuff.

So I had a couple emails. Let me see which one I want to start with, though you know, and I'm gon na talk about this, so I released right after the live stream. Last week I released a video that I told you guys I was going to release on that little hot logic. Mini that little thing that you cook inside you know you can heat up your lunch.

Essentially while you're on the go. I had a bunch of questions about that and I answered most of them in the emails and different things, but I'll address some of them right now. So um excuse me the it is a hundred and fifteen volt plug on there. Okay, they also make a 12 volt plug, so you can either buy the 115 volt unit and buy a power inverter that actually you can buy a set that comes with a power inverter.

You can plug it into your cigarette lighter or for those of you that aren't in the u.s. that are interested in it. You can buy just a straight-up 12 or 12 volt version, okay, so it literally just plugs into your cigarette cigarette lighter and there's no inverter needed. So if you guys are interested in that in that video that I released is a link to an Amazon, whatever link or whatever, and you can buy it from there, but it's called the hot logic mini and again I want to give props to.

It was a chiller chick Instagram that turned me on to that, because I just happened to see her on her Instagram talk about heating up her lunch inside of a you know, mechanical room or something like that, and I've used it three times now. I think yeah three times and it works really cool, so I used it once at home and then two times out in the field. The one thing I will say - and I mean it's just something you got to deal with - is depending on what you're cooking. Like one day, I cook the same thing that I cooked in the video out on the road with some chicken and some spinach and stuff and I'd advise you guys to crack your windows, because my van smelt like spinach.

So you know it's just one of those things, but at least I taught lunch. I really wasn't intending on cooking it in the van per se. I think it'd be better served, you know taking it up onto the roof or something like that with you, and what I did was I just prepared my lunch and threw it in my ice chest the whole dish and everything and then when it was time I Just took the dish out and put it into the hot logic mini and plugged it in, for when I cooked it on the road it took. Two and a half hours is what I cooked it for and it cooked the chicken perfect and it was from raw, a raw chicken.
So it worked out really nice. I've got some different ideas. I'm gon na try this week. You know we bought some stuff from the store and we're gon na try a few different things and see how that goes.

So I just thought it was a pretty cool idea and that kind of leads into another topic is that you know us as service techs out on the road we tend to not eat. Well right I mean we eat food that tastes good, but it's not necessarily good for us. You know hamburgers and fast food and fried foods. We got to stop that.

I got to stop that. I'm I'm you know in horrible shape compared to 15 years ago. You know just typical just like a normal person, I'm you know 35 years old, so you know it happens, but it's just one of those things. I want to try to start eating healthier and start also saving money, because, on average, at least here in Southern California, with the food costs and everything that's so high, like you know, I'm spending fifteen to twenty dollars a day on lunch, so that gets up there.

So it starts to get a little out of hand when you look at the end of the month and you're like I spent what on lunch, you know. So if I can start preparing my stuff, it's a way for us to save money, but then also eat healthier. You know we can eat leftovers, we can do whatever. So I just thought that was a cool thing.

So I know that was kind of a different video, and hopefully you guys weren't freaked out by that I wasn't. I'm not gon na, be like doing cooking videos or anything like that on a regular that was just kind of a cool little thing I thought. I'd put on there so alright and I'm really not paying too much attention to the chat right now guys but I'll get to it here in just a minute. So, looking at my list right here - oh here's, another good one too! I know that most you guys probably understand this, but you would be surprised how many people I get emailing me asking me if they can come work with me and they're willing to pay me guys.

I can't I can't do that. It sounds cool, but you know I can't. I can't train people for money there's so many different reasons why I can't do that, but insurance is the number one, so my insurance wouldn't cover anybody riding with me that doesn't work for me. So you know, commercial insurance is totally different and my customers job sites and everything.

So it's not really something. That's feasible. I just kind of got to nip that one in the butt, because the questions keep coming out and it's just not something I can do so. Alright, let's, let's address some of the another question I've been getting a lot too, is a lot of people from the United Kingdom in parts of Europe.

Even some parts of Australia have been commenting on the videos and they've been very curious about the refrigerants that we're using, and I know that a lot of those places you know they've banned a lot of the refrigerants a long time ago. We are in the process of phasing out production of a lot of refrigerants and importing of a lot of refrigerants okay, but we still are allowed to use a lot of refrigerants that are banned in those countries, and it's it's slowly. You know we're changing. The United States is a little slow to change things, but we're getting there and a lot of the phase-out is starting to happen.
So you know it's just kind of funny, because I get so many comments that and especially from Europe and United Kingdom people saying how come we use mechanical temperature controllers and mechanical time clocks. You know, apparently, in those countries they've pretty much, everything is digital and, and you know we're going digital with a lot of stuff, but there's just still a lot of older. Equip that doesn't have digital is so weird. You know we're working our way there, but we are very stubborn.

I am very stubborn in general, you know I don't like change, I slowly adapt to change and it just doesn't come abruptly. So alright, I'm gon na go ahead and get to the chat. So if you guys have already put questions in there, let's throw them in there again and I'll try to address them and I'll see if I can get to them and I'll try to answer some more. My other stuff that I have later on.

So I just want to don't get, don't want to get too far behind. So all right, oh another, really good thing too, or a quick thing I want to point out. Is I've already addressed it many times, but let's try to keep restaurant names out of the chat guys for the most part when you guys put in the chat - and I know you don't mean anything by it - but for the most part, when you put in there, Hey that looks like this particular restaurant. I delete those, so I don't know if you guys ever go back because not that you're guessing the restaurants that I'm working out, but I try not to draw any unwanted attention and I I try not to ever reveal where I'm working just to protect the customer.

You know, and I don't want to throw anybody under the bus, so if you guys can just please leave even if you know you know I'm working at a particular chain or something like that, try to keep it out of the the YouTube comments or you know Different things like that, okay, if you really want to address something like you know where I'm working and you have a question, send me an email. I can answer things in emails, but I'd rather not answer them on public forums when it talks. You know talking about my customers, so all right, big Jays barbeque, you said compressor - runs extremely hot on equalized pressure, checking windings and their normal doesn't seem to be a blockage on the line set and TXV doesn't seem to be issue either. Well, if you said, compressor runs extremely hot and your pressures are equalized.
If you have the proper voltage going to your compressor, it sounds like you have a bad compressor. You know, without being there, it's a little difficult, but you know if your compressors hot, it's got. Equalized pressure and you have voltage going to it that compressors not pumping. If you say that you check the windings, then it's definitely bad, because if the windings have continuity across them and you have a hot compressor, you have voltage and it's not pumping and the pressures are equalized.

You definitely have a bad compressor. So it's time to replace it, but don't just replace the compressor after you replace it. You got to diagnose as to why, with that, but unfortunately, you're gon na have to change the compressor first then you'll be able to diagnose once you get the new one and they're running what caused the old one to go bad so yeah and like Justin, said: If you guys can put your questions in caps lock, it really really helps us to get to them because he's trying to help me - and you know we miss - miss a lot of them if you're not putting them in caps, lock, soo, okay, yeah this person, my Good friends, they are nice. She said the walk-in was still using r12 yeah, so not the one that I was working on, but the walking cooler next to the walk-in freezer that I was working on still had our 12th.

In fact, I had a technician on a walk-in freezer today that was still our 408, a which is a replacement gas for our 502. So we still have some older systems out there, so they do exist. How is the redfish Nathaniel crumb so Nathaniel? I actually used the redfish meter for the first time yesterday I was doing some testing and I have to say so, I'm making a video about it, but I have to say without first off its it's got so many features that there's absolutely no way you can Use it without reading the instructions? Okay, so I watched a video really quick that Jim Bergman had put up and I was trying to do a compass', a capacitor under load test, and it was a little bit of a struggle. The first time, once I kind of figured it out, you know I got it, I got to figure it out, but I do have to say there was a few frustrations that I had I'm not saying it's a bad meter it just it wasn't like just turn.

It on and go okay, and I have to say that I don't use all the different features, but, for instance, I'll give the example my field piece, SC, six sixty one of the my favorite features about that meter is the phase rotation test and the first time That I did it. I essentially turn the meter to phase rotation. I didn't read the instructions and I was able to figure out how to do the phase rotation test. That's what I'm looking for.

You know, obviously, obviously, when you get into the really technical stuff, like the the capacitor test under load using their app yeah. I understand you're gon na have to watch a video or read the instructions, but I just got to say it was a little frustrating trying to figure it out at first, but yesterday was the first time I've used it. So I got a bunch of new tools that I'll be making videos about. I just actually I'll tell you guys if, if you guys don't already know, there's a great great deal going on, I don't know for how long it's going on, but I'd been thinking about.
Getting the true blue vacuum set up, you know that big fancy, really expensive vacuum, set up, that a key tools put out and I've been researching it and it was just kind of hard to make the jump. But the other thing I'd been thinking about getting was that - and this is more of a novelty - was that battery-operated vacuum pump, mine, a vac, okay, so true tech tools actually has a deal. It's actually through navigable Eve, but if you buy the tiny navicomp and you buy the true blue professional kit, which is the really expensive one you get. I believe it's a hundred and fifty dollars off of the deal of the package right for both of those and don't get me wrong that true blue kit was like six hundred bucks or something without the micro engage, so it was quite expensive, but by buying them Together, I saved a hundred and fifty bucks and then on top of that, I use shop, talks discount code and I got like another $ 89 off, so I saved over two hundred dollars by buying them together through true tech tools.

I thought that was a pretty cool deal, so I used the the discount code shop, Talk and that's exact, Co, tows discount code, and then it was. You just got a look at their website. They have like promotions where you can see the deals. I thought that was a really really good deal, though Kevon Hill, you said: do I use the DL 429 meter? No, I don't.

I won one actually from Zak Co de a while back and I gave it to one of my technicians and he is it the one thing I will say: I don't see him using it, but he goes through batteries. A lot with that meter. I don't know, do any of you guys that use that meter burn through batteries. I don't know if he's doing something wrong, but I mean I'm telling you he burns through batteries like every other week.

It's nuts, sorry about that. I hit the mic. Yeah Ulysses says the true Blues are definitely worth it yeah, they were great in, and i am i shouldn't say they were great. I just thought the deal was really great, but uh, so tomorrow will be the first time I get to use the true blues because I'm doing a walk-in replacement where I'm changing an evaporator and a condenser, so I'll use them on that.

So, okay, let's go down! I've seen a demo of the navette pomp seems pretty good yeah and that's the battery operated one though so, don't get me wrong. I mean that's just kind of a fun little pom-pom. I have some ideas for, but I don't plan on using it a lot, but on little reaching coolers it would probably be beneficial and then I think, just vacuuming down recovery tanks and different things like that. It'll be easy, so I've also seen haha dizzy.
Dallas says the navicomp works great, I'm not gon na say which person, but he is in the chat. But I have seen someone that came up with a really good idea that you can buy adapters to make the the batteries work, and I am gon na look into that for that battery operated pump. You can put other manufacturers batteries on there and slap them on there. You can say if you want to say who it was, but yeah only two CFM like dizzy, said so: okay, oh yeah, so then HVAC are mark HVAC.

So then my Tech's doing something wrong. If he goes through batteries that much but okay, so Gary black okay, so guys any other questions that I've missed, throw him in the chat I'm going to get to some more on my email list right here. Let me get to this question right here, and this came from someone named max. He says I'm a young guy, he's 27, who went to college for office work; okay, so he obviously out of high school, went to college to become a desk jockey, okay and he's grown tired of the business after eight years.

He can't handle sitting at a desk. He can't see it doing and he can't see himself doing it for another 30 years. He comes from a family trait of workers and basically he wants to get into the fields and he says watching. Videos has helped him to get motivated to get started, but, unlike college, there really isn't a clear career path to learning the trade.

So his question is: where does he start looking to get into HVAC? Does he join a union? Is an apprenticeship viable for HVAC? He just doesn't know where to begin he's in Iowa, so my answer to that question is: is you know I'm not Pro or I'm not against or for union? Okay, whatever works for you, I have nothing bad to say about union or non-union. Okay, in my area of Southern California, I will say that the union is not strong, so you know if you can get a union job than good for you, but it's just not is as strong. You know the different sectors do different things. You know, for instance, I'd imagine that if you lived in Chicago you could be doing a restaurant refrigeration and beat union, but here in California that wouldn't fly because they don't want to pay for that.

So it really depends on how strong the union is where you're at and if they can keep you busy and you can, you know, stay employed. I mean that's a great thing, so it just depends on the area that you're, in the best thing that I would say to do, would be to find a service company reach out to them and ask them. How do I get started? You know and look into it that way and remember when you're going to work for a service company you're interviewing them just as much as they're interviewing you, you don't got to be a punk about it, but you know ask them questions. You know what I would suggest you highly do is volunteer to do a ride-along with them.
Then you can ride with a service tech volunteer to do to ride alongs ride with two different service techs, if they're game. For that you know, because then you can kind of talk to service techs that work with the company and evaluate how things work, reach out to your local supply houses. You can look up HVAC Supply on Google and ask them what company's service techs seem to be happy at okay and again, you know it just depends on the area. I would imagine you know, I really don't know Iowa.

I don't know if the unions are strong there or not okay, so I'm not saying either way, you know just whatever works for you just reach out to you, know local companies and local supply houses and ask them who they're happy with what texts like working for What companies? Okay! As far as doing an apprenticeship, I think an apprenticeship is great in this trade. I think it's the best thing we can do. I wish that I could afford to have my service tech, that's riding with me right now, being apprentice for three years, that that would be the best thing because he would get the proper education. Unfortunately, with the way things go and what wages are here in Southern California and different things like that, I can't afford to have him riding with me for three years.

You know so you know typical apprenticeship is anywhere from six to eight months. It just depends. That's how we roll at my company, I know, there's other companies that will hire them straight out, a trade school, throw them in a van and send them out on service calls. I won't do that.

It won't benefit me to do that. They got a ride with me now. Don't get me wrong, you know there's times when I'm gon na send him to do a preventative maintenance and different things, but anyways I'm going off on a tangent there, but this is a great trade to get into. I think that, let's see he said, his name was Justin.

He didn't say how old he was, but I'm assuming he's, probably in his 30s. You know I've had so many people ask me when? Is it too late to get into the trade? It's not too late? I mean there's companies that are willing to hire you now. If you're coming into the trade at 55 years old, it may be a little more difficult to be an installer and it may be a little more difficult to be in a high-volume service company. But there's definitely a place for you, so it's never too late to come into this trade and every service company is hurting for service techs.

So do it! We really really need anybody. That's willing to come into this trade. Okay, let's get into the chat here and see what I missed: okay, so, let's, let's not play with electricity, says, learn install before service. That is a great great point.

It depends on you know where you are, because if you know how to install it makes service that much easier and if you're a quality, installer then doing service comes easier too. On the flip side, too, if you can service, you also can think about what is a pain in the butt to work on, and it gives you a better idea on how to install it better, so it can be flipped on either way. I think you just need to be a vigilant person, be mindful of everybody else and be meticulous in the way that you do things, and you know whether you start in service or install. I think you're gon na do fine, but you know it's very important to know both.
You know, there's always things that that we should be were you know, there's always things that I want to learn better. I wish that I knew how to do sheet metal better. You know I have very very basic sheet metal skills, because I don't do it very much as a service company, but that's something that I wish you know I could be a tin knocker and you know not have to hire out all my sheet metal work. That'd be awesome: okay, my good friends.

They are nice. You said how's the new van doing and do I like it yeah. So the new Chevy van that I have is a it was tripping me out because it's a six-cylinder, it's the Vortech, 4.3 liter v6, but they have it like all tunes. So it has more horsepower than the 4.8 liter, which is what I usually get in.

My vans, the small v8 Chevy, stopped selling the small v8 in their new service vans. So as far as the engine goes, it has more than enough power. I will say it has like a nine speed transmission. I think it's nine yeah, I think so, and it shifts a lot, but it it has no lag.

When I Drive it. Okay, it doesn't really run to high rpms. It does really good as far as the setup and how I put it together, there's a few things. I want to tweak my bottles that I keep behind my bulkhead, my nitrogen and my co2 they're kind of bugging me because, where I have them on top of my drawer unit, they kind of clunk around a little bit, even though I have straps in there.

If you really really don't get in there and cinch those straps down the bottles kind of shake around, and they really irritate you that was actually driving me nuts today, so I want to come up with a ratcheting system to strap those things down. My drawer unit is working out really good. My toolbox, the black one. The only thing on the toolbox is is after about two weeks of driving around you realize you have to lock the drawers whenever you get in the van because they will open when you're.

Turning a corner but other than that, everything else is good. I just wish I had more force floor space because I still end up with stuff all over my floor and I'd rather have a completely open van. You know in a perfect world, but yeah it's working out good. So far I still have yet to mount any of my my batteries for my drills and different things.

I haven't figured out a place that I want to put those yet so all right. What else do we got here? Why nitrogen and co2 I use co2 to blow out drains all the time, but you know I've. I've really been questioning and carrying co2 anymore, so I've been thinking about eliminating it from my van. The problem is, maybe I'll carry two nitrogen tanks just because I don't want to burn through nitrogen.
So much, but yeah I've been kind of questioning that one. Why nitrogen and co2 we've just always carried co2 to blow out condensers and blow out trains, but I will say where co2 is. A good thing is in the summertime. If you don't have water and you have an overheated compressor, you can invert your co2 tank and blow liquid co2 all over that compressor, and it helps to cool it off really fast.

So that is one cool thing about the co2 is, but you also got to be careful because you'll you'll freeze your hose and the hose a little crack so but yeah. That is a cool thing. Sometimes I'll take the hose off and just invert the tank and then just open the valve and just spray directly out and you'd blow liquid co2. Essentially you know on the and it helps to cool everything off, but ok, what else hum? Hey guys? Everybody! That's in here Ted how you doing dizzy.

I see you there, John HVAC, what's up bud reefer tech mark, I see a lot of you. Guys are regulars in here. Ok, so let's see what other questions do we have in the chat, guys Ralph, I see you there bud Ralph guy guys, Dallas fan is Ralph and he works for Honeywell refrigerants, like you just said right there. So if you guys have any questions, he's always in here and willing to answer questions - and I also have his email address, if you guys can't get your question answered by him, I can get you his email address.

You just got an email email me Justin posted a question from Joe 65. Why? Wouldn't that defrost timer work without a jumper wire, great question, so the video that I posted today, I let the apprentice, that's riding with me wired up and I kind of let him make a mistake and it was no big deal. Okay, he forgot to put a jumper in between the number one and the number two terminal on that particular defrost Clark in the way that we have that defrost clock setup, you have to jumper between one and two and that's a very common thing. On the 81 45 20 and on the DTA V 40, which is the grassland defrost clock, is that the number for contact, which is your refrigeration circuit, is powered by the number two contact.

So you have to make sure that you have that jumper running between there or the number four contact will never get power. So what happened in the video was when we turned on the power we had no refrigeration circuit. Coming out of that defrost clock. We had power going into the clock, but nothing coming out, and then I already knew what was going on.

But I let the that was working with me kind of stare at it for a minute, and then he figured it out is that he forgot to put that jumper in there and then once you put the jumper, it sends power. So it's just a way of completing the circuit, and it's just you know you can't assume that it's gon na be that way, every single time you work on one of those, but this particular one. That's just how it's set up and it's a very common thing on at least the restaurants. We run that way.
So, okay, let's see what else. Thank you for the video learned, oh right on Scottie. I really appreciate it man how to size up a walk-in for a new weave, app and condensed unit. If you know the box dammit, okay Ralph asked that question.

So what you're gon na do is you're gon na download a piece of software from the manufacturer. You can do a calculation by hand. You're gon na do a load calculation on the box. You can download heat crafts, engineering manual at heat, craft RP, be calm and it'll.

Give you basically how to do it by hand and that's gon na. Take you a long time. What I'd highly suggest is you can you can have a supply house? Do it for you, you can reach out to a supply us and say you want a refrigeration load calculation, I'm I'm! I have a hard time trusting people when I do those kind of load calculations, so I like to do them myself. So what I did was, I just asked the supply house: hey.

How do you do your load calculations and they said hey, I use this program and so that I just went downloaded that program most of the time you don't have to pay for them. So there's two of them that I use, if you uh, rustle refrigeration, which is owned by carrier now, but they're at their program is called rest box. I believe I'm gon na look it up as I'm talking right now and I'll show a screenshot of it. You can use Russell's load calculation, software and there's another one too.

I'm trying to think is it. Trenton Trenton might have a load calculation software, but you just got to look up refrigeration, load, calculation, software and download it and you just essentially in but the information. So I'm looking up this load calculation right now, so Russell refrigeration, load, calculation, software and most of the time, they're free downloads, yep and hold on just a second and I'll, bring it up and show you guys the screen shot. So that way you guys can see it.

So let's go to literature and let's go to products support and let's see I have it on my computer. So I wonder if it's still free yeah there's a software Center on their website. Your email address, so they can update you when new software is available. Let me go and put this in right now and I'll see.

If I can do this with you guys and I'll show you guys a screenshot at gmail.com. What I can do, too, is I put contractor and I'm gon na download it oh yeah. So is that easy? Okay? So what we'll do is I'll show you guys the website I'll pull up a screenshot right now, let's see if I can handle that see. If I can be this, the smart way turn this off and I'll bring this over here and show this to you guys, I'm ignoring the chat for the moment, guys, okay um.
So what I did was I went to let's transition this over. You guys should still be able to hear me. I went to HT PG com forward, slash software Center and right here. It's just going to ask you for your email address when you do that, once you put your email address, that'll, let you download the software onto the computer.

Let me go ahead and transition back into the video capture device and once you do that, you can download that and then let me find the software and I will show you guys right now: where did it download onto my computer? It downloaded somewhere onto my computer I'll have to make a video on it because I don't want to waste the livestream right now, just on me running a load calculation on a box but um yeah. Once you do the load calculation it. Basically, you got to make sure you put your outdoor air temperature and what size the walls are. You need to measure the inside dimension.

You need to know the thickness of the walls. You need to know what the temperature is on the outside of the box and then your outdoor ambient temperature and then essentially it lets you do a load calc and then you can size equipment. Now you don't necessarily have to use their equipment. You can just use the load calculation software if you want okay, okay, just an R.

How do you like the wireless field, peace, pressure and tempted Isis? So far, hey Justin! Your question was actually gon na, be the next one, but that's funny. I printed out your email to you Justin, that's too funny right, okay, so so Justin Justin had asked how I like the field piece, wireless setup, and you had mentioned in your email. Just in that you were kind of sick of the maintenance on service gauges. The one thing I will say is there's pretty much just as much maintenance on the smart probes.

Okay, the only thing that's cool about the smart probes is, is you don't have to replace the smart probes because the hoses go bad, but you do need to change the little rubber o-rings and the Schrader depressors and the smart probes? Quite often okay. So remember that so you're still gon na have to change the o-rings, but I totally understand the push for smart probes. I myself am kind of an old-school guy still, so I still like to use service gauges for certain things, but sometimes I will use the smart Pope's too, but I like the smart probes in general, my favorite smart probes right now best bang for your buck is The field piece job link probes, in my opinion. Okay, I understand that some people like the test.

Oh, I can't vouch for the test. Oh I've never used the test. Oh okay, so I'm not gon na talk crap on them. I do know that the test OHS Bluetooth range at this moment is not as good as the field piece, but I have also heard rumors that test.
It was updating their probes and gon na go to Bluetooth, 4.0 or possibly bluetooth 5.0. If they're smart. I have also heard, which is a very, very good thing for us. I've heard that in Bluetooth 5.0, there is a repeater function built into the Bluetooth, whatever you want to call it.

So that is a really really cool thing. The fact that there might be able to have repeaters right because, as far as the best wireless probes out there forget about the software, but as far as the range, the best wireless probes are the I manifold probes. Okay, because they use a ZigBee protocol and the ZigBee protocol essentially is repeatable. So you can have a great I've had an insane reach with the high mountable stuff.

I've been on like a four-story building and put repeaters in multiple places and been able to get to the bottom storey restaurant. It was insane, but I had to put repeaters all over the place and it basically just has like a mesh network. Then what it does is it takes the ZigBee protocol commute of the radio communicates to their little, I connect device, and then that is bluetooth to your phone. So you have to carry the device around with you, but the downside is is on the I manifold stuff, their software.

I'm sorry, I don't mean to talk crap, but their software sucks. Okay, it was much better before they changed everything and again maybe I'm just being stubborn. I don't like change, but I don't like the new software with the high amount of old stuff. It's just changed a lot of things and it's a pain in the butt, but as far as the best Hardware out there, in my opinion, is the AI manifold probes, but the best bang for your buck.

Hardware and software is the field piece probes. The cool thing about the field piece probes is: they have their own standalone app or, if you're doing air conditioning work, it doesn't support refrigeration. At the moment, you can use the measure quick, app okay, but I have heard a rumor that the measure quick app is gon na have refrigeration profiles coming soon. I just know that the guy that created it Jim Bergman, I've watched a lot of his stuff and he's just working on things little pieces out of time, but I, like the field piece stuff, I currently use it with a Samsung Tab s.

I believe it's a 10.1 tablet. It's a tablet, that's about four years old. It's a great tablet. It does everything that I needed to do.

I haven't had any problems, it's a little big and clunky, because I have an otter case on it. If I was you, I would suggest not getting the 10 inch tablet, because if you get like a 9 inch or an 8 inch tablet, it'd be really easy to keep in your tool bag and it wouldn't be in the way. My tablet tends to be kind of big and cumbersome. You know all in the way, so hopefully that answers your questions.

Scott, a is it true. You cannot charge with the probes. No, you can charge with the probes. What you use is a charging T gosh.
I don't have a picture of it right now but, like I said I'll, do a video where I show it, but on a charging T. Essentially, it has a Schrader, it's just a service T and it has a Schrader on one side and what you do is you take a hose? What I do is, I have a ello process hose and I have a ball valve on one side and then I have a low loss fitting on the other side and then you can put the low loss fitting on the the smart probe and then you put The ball valve on the other side, or you can do vice-versa - that way you can charge via your ball valve. So no, you can definitely charge with smart probes. It's definitely possible, and some argue it's better to do that so to each their own and whatever you like, ok, ok, Familia asks: why is it not necessary to check sub clean on a walk-in with a receiver? Okay, I'm gon na answer this as best as possible.

It's sub-point does matter okay, but when you have a receiver, it's not a measurement, that's as important. Okay, obviously, you need subcooling coming out of your condenser, because the sub going out of your condenser indicates that your refrigerant has changed state to a liquid form, but once it hits the receiver inside the receiver, you have liquid and vapor in there, and essentially we just Need to know that we have liquid coming out of the receiver. Okay, I'm sure there's a much more technical answer. There família, I'm not the person to give you that one.

I would HIGHLY highly suggest you reach out to Brian, or he can come up with a really technical answer for you, but you know I just want to reiterate it. Does I mean we do need sub cooling coming out of the condenser, but the problem is: is if you're gon na measure sub cooling on a walk-in cooler that has a receiver? Where do you measure it? Do you measure coming out of the receiver? Do you measure coming out of the condenser? That's the problem, a lot of people don't know where to measure it. Okay - and you know you can't you know a lot of times - there's not a space, a lot of space coming out of the condenser, so everything can be, you know it can. Your numbers can be completely skewed.

So that's why we always say just really ignore subcooling, clear your sight, glass and pay attention to evaporator superheat and then compressor superheat will follow so hopefully that answers that a little bit for you família, okay, Brandon HVAC asks. Do I have my own company or do I work for someone else so Brandon? I am co-owner of a refrigeration company. I work with my father. He does not work out in the field anymore.

I grew up working for him ever since a little kid. This is the only refrigeration and air conditioning company I've ever worked, for. I do have our own employees my position and the company, as is that I'm a service manager - and I basically I run the outside stuff - he runs the inside stuff. I do go into the office one or two days a week and deal with that.
But honestly, if I can stay out of the office, I prefer I like fixing things and turning wrenches and I hate dealing with paperwork. So I have the best part. In my opinion of a business ownership because I get to stay in the field and have someone else around the office, how I like to do things - and I lost the chat here - because I clicked out on this - there goes right there. Perfect, okay is calling you back ready to return as a guest.

Oh yeah I'll go back on HVAC shop, duct for sure what Kondo forever there you go. I was just watching a I finally watched and I'm not gon na leave any spoilers in here guys, but Zacks kind of been going back and forth talking. I finally watched end game last weekend, not this weekend but the previous weekend, and it was a cool movie, but I have to say I don't know if, for you guys that did a watched, end game, I'm not going to talk about this for a long time, But it started off kind of slow honestly, like the first 45 minutes into the movie. I was like kind of bored and then it really took off and got awesome so alright.

Prime time, you had such a headache recently because you had a faulty receiver and it can be hard to detect a prime time. I have never had to diagnose a faulty receiver, but I've had something similar and it was a mistake that I made many many years ago, so guys prime time mentioned that he had a faulty receiver. So what can happen, especially in the bigger receivers, is the dip tube can break off? Okay? If the dip tube breaks off in your receiver on the inside, then what happens is: is you dump liquid into the receiver, but but the dip tube that pulls the liquid? From the bottom to go out to your metering, device can be broken or cracked, so it can pull vapor too. So you can have more than enough refrigerant in the system, but you're still feeding vapor to the expansion valve, and that can definitely be a head-scratcher.

That's a very, very difficult one to find. So essentially you know there's a lot of ways. You can do it, but if you have a system that you're starting from scratch, if you know that you have that receiver, 80 % filled, you know pump down and you still have vapor coming out of it. That could be a good indicator that we might have a problem: okay, but it's kind of difficult to be able to pull all the refrigerant out and - and you know know exactly how much refrigerant that receiver can hold.

So that can be a difficult one. Now I'll tell you my story, so I had a coaxial water cooled condenser many years ago. This is the first water-cooled system I had ever worked on and what I did was I mean check my text messages here because make sure I'm not missing anything. Okay, cool thanks.

The the coaxial condenser was fouled, so bad that it couldn't clean it anymore. If you guys don't know, fouled means that it's so calcified inside it had mud and dirt inside the condenser within the water section that we couldn't clean it anymore and that's one of the downsides to coaxial condensers. You can't run brushes to it on a tube in shell condenser. You can pop the end bells off and you can run tubes through it or punch the tubes like they say so anyways.
We had a system that had a coaxial condenser and I wanted to go ahead and replace it, but I wasn't gon na put a coaxial back in so I bought a tube in shell condenser. We installed it and we vacuumed the system down, followed everything that we were supposed to and then we went to go charge the unit and we could not clear the sight glass for the life of us and the box would not come down to temp. It was driving us nuts, we kept adding refrigerant and kept adding refrigerant, and I knew something was wrong. You know when you're at 20, pounds of refrigerant on a system that takes 15 you're like okay, there is a problem here and it won't pump down.

Okay, I knew something was up long story short because it was a tube and shell condenser and it was not a factory replacement. It didn't have the mounting brackets on it. Okay, so we had no orientation or wit, and we had no no halt. No, we did not know which direction the condenser went.

So what had happened was I had turned the condenser 90 degrees, the wrong direction or 45, whatever I just turned it the wrong direction. So we did not have the refrigerant coming out of the right place, so it was acting like it was under charged when in fact all we had to do was rotate the condenser, and that was a nightmare that, without that must have been 10 years ago. That was hot, that one's just a disaster for us, but remember guys, I know the the things that I talk about in my videos and these streams is because I've made these crazy mistakes. Okay, so let's see what else? Okay, yes and sadly, the receiver took the compressor with that damage had been done, yeah prime time.

Definitely man, that's sucks. Dude yeah I've never had the opportunity of breaking it off. Oh thank you. Let's not play with electricity.

Alright, okay, guys. We have enough people in this stream right now that I'm gon na go ahead and do this giveaway real quick. So again, this is just for the people that are in the stream hang on just a second and let's see if this works out right, it should pop up in the stream, when I click so remember, here's the deal, reefer, tech mark all or any other unit For that matter, no much experienced beside reefer tech mark someone made a really really good video on potential relays today and send me an email, reefer, tech mark and I'll explain it to you. Okay, because it's more of a visual thing, I try to remember the guys name.

He put a AC service tech actually put out a really good video today on relays in fractional horsepower compressors, and I thought it was a really really cool work. He broke it down and showed it. Okay, alright! So here's the deal guys, I am giving away a copy of commercial refrigeration for air conditioning technicians by DIC. Worse.
This is a not this one. I have a brand new one in a box that I'm gon na give away to someone in the chat right now. I'm gon na do a random drawing in just a second all I need you guys to do is start chatting right now. Okay and just listen as I'm talking, just put something in the chat to make yourself eligible okay.

Now, here's the only thing if you do not live in the United States. The book is still yours, but you got to help me out with the shipping okay, so we'll figure something out. If I draw your name - and this is only for someone - that's in the chat - I need you to send me an email with your information. Okay and I'll, get you the book.

But again, if you live outside the United States and you win will have to figure an arrangement out for the freight okay, because I will pay for the freight anywhere in the United States. But I won't pay for it to the United Kingdom, or even Canada sometimes hurts okay. It just depends on how much it is okay, but we'll figure it out. So I'm gon na, let you guys keep chatting for a minute I'll, let it go and then I'll hit roll here in just a minute.

So just anything alright, keep it coming, keep it coming all right. I mean I'll get to your guys's questions. Just put something in the chat and I'll send it over to you guys so hold on, keep it coming. Justin all right, Justin pick one! No, I'm just kidding nightbot I'll.

Do it so uh-huh, it's funny too, because on my side guys the chat is going so fast right now. So, okay, guys, let's go ahead and if you haven't put something in and keep it coming and I'm gon na do one here in just a second all right here we go. I'm gon na pick someone here in five four three two one boom stop: okay, so Firefox Dimitri, you are the winner or Firefox /dm ITR, why you are the winner of the book, so I need you to send me an email to HVAC our videos at gmail.com. No more comments, don't make your odds any better bud.

Justin he's lost it's funny, cuz every every second, I see a little comment from Justin going by right now: Firefox Demetria. I need you to send me an email, the HVAC, our videos at gmail.com, alright guys right on, but so you are the winner. But alright. I will do more of these guys - giveaways, okay, guys, but I'm not gon na announce them, because I want to do stuff for you guys that come into these streams, you know I'll do something on my channel too.

You know where I do like I did with the spoilin thing, but I also want to help you guys out that just come to the stream so right on fire Firefox. I think it's Dimitri. I think that's how you pronounce it so you're, the winner, okay, alright! So, let's get back to normal questions, guys if you guys have normal questions, put them in the chat and let's try to get to those and I'm gon na. Look at my list right here: let's see what else! Oh you know, this is just a funny thing.
Okay, so you know that I put these videos out right and I get lots of people that send me emails and different questions and it kind of made me laugh the other day because I got an email. Actually, I got three emails from my competitors: ok people that worked for my competitors, people that are in my area, dizzi. Thank you so very much MANET or Dallas. I'm sorry, but I really appreciate it, but for the super chat but yeah, I had three emails from my competitors saying how they really appreciated my videos and it just kind of made me laugh right, because here I'm teaching people like my little tips and tricks and They could theoretically be bidding against on shots with me, but it is what it is guys.

I'm still gon na share the little bit of knowledge. I have no matter what with anybody. Okay, so I'm gon na keep these things coming, but I just thought it was kind of funny that I'm getting emails from my competitors, it just kind of made me laugh like and I don't think they know who I am. I don't think they know my service company, but they just happen to email, saying, thank you and it's like and other than I'd.

Ask them hey what service company do you work for? It's like, oh yeah. I know who you are. You know it's just kind of funny makes me laugh, but alright really appreciate it Clint. Thank you very much man.

Let's go yeah type, your questions and caps and see. If I'm missing anything, I really appreciate you guys. Let's see what else Matt sprinkle, you said: subcooling during low ambient ver versus high ambient some more context to that one. I'm gon na be honest with you.

Dude I'd be better off. If you emailed me on that one Matt Matt sprinkle HVAC our videos at gmail.com, and I can answer it a little bit better and just give me some more context in it. Some of these questions. You know it's kind of hard for me to answer right off the top of my head and I don't want to confuse anybody so really appreciate it.

Mark HVAC, thank you so very much man, okay, so cool Firefox really appreciate it.

6 thoughts on “Hvacr videos q and a livestream 5/13/19”
  1. Avataaar/Circle Created with python_avatars Robby Broyles says:

    Thanks for all you do ! You are the Best Ever !

  2. Avataaar/Circle Created with python_avatars U Ferrell says:

    Do you recommend dick wirz online course for commercial refrigeration?

  3. Avataaar/Circle Created with python_avatars fvfgx says:

    You sound just like a YouTuber EricErica,close your eyes you can't tell the difference

  4. Avataaar/Circle Created with python_avatars Яковлев Олег says:

    Russia is here too! very interesting to watch colleges behind ocean.

  5. Avataaar/Circle Created with python_avatars Leland G. says:

    Dang! I really should have watched it live! (I typically watch livestreams after the fact because I know how long they are after they are done.) The commercial refrigeration class I'm taking this summer is based on that book. I'm not required to purchase it, but I may just buy a copy for myself anyway.

  6. Avataaar/Circle Created with python_avatars nate c says:

    The one time I decide to take a nap after work and miss the stream there’s a giveaway , lesson learned! 😂 Service area Kanata??

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