THE FRONT DOORS ARE TOO HARD TO OPEN (AIR BALANCE ISSUE)
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- Опубликовано: 11 дек 2019
- This was an air balance call where the customers couldn't open the building doors.
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Just spent forty minutes of my life on a video that’ll probably have nothing to do with my future. However it was very entertaining. 20/10
I can all but guarantee you will use something, you learned, from this video in your future. You may not even realize it but you will.
Got Bait Alaska yep to sand and lube you shaft before removal and insert! Multiple times as needed! 😂
I learned about the mnemonic device meter or mnemometer for short. Good stuff! (Disclaimer: I'm trolling but wish no real ill knowledge.)
I am a professional IT specialist, and this has nothing to do with my job, but I also spent 40 minutes watching something that has even less to do with me since in Canada the weather is significantly different. HAHAHA
It’s always good to see some problem solving
If you don't schedule maintenance on your machines, your machines will schedule them for you.
Zac Price you're right. It all starts with a manager saying "Not on my budget, the next guy can do it"
Manager is incentivized to hit his numbers and collect his bonus. By the time the shives are worn out, he's moved up the line.
Corporate has to enforce a pm policy to prevent this happening.
@@oneselmo If I ran a company I'd make sure to have a solid budget for preventative maintenance, and even 'surprises' because I know those happen, too! Sadly anyone with uncommon sense can't run or own a company.
"Not in the budget to maintain" is some of their thought process. Then it breaks and they be scrambling to repair which cost more then just maintenance the system.
That is a lovely, well-expressed thought. I might steal it from you, because I love it. "If you don't schedule maintenance for your gear, it'll schedule it for you..."
Unscheduled maintenance is always more expensive than scheduled maintenance.
I've never watched anything related to HVAC before. Not sure why this was in my recommendations. Good watch though!
Ya this was really cool seeing the process and I learned what negative air pressure inside buildings
same thing here! i have never seen anything like this before, so i was like sure, lets check it out. completely worth it, honestly im super interested and plan to watch more later when i get the chance. thanks for such an interesting video lol
I'm more interested than I expected it to be
Same here
Same
Hiring you was the best thing that joint has ever done.
That had me dying, I literally had a coughing fit cause I have a cold atm
Clearly, 'regular maintenance' is not in the vocabulary of that customer.
You can probably leave off the regular part. I don't think these have seen ANY maintenance for a long time. And when problems started showing they just started shutting off things at random.
It’s totally commonplace. I don’t do HVAC but I’m a maintenance tech and the customers are in business doing what ever makes them money which in this case does not include HVAC lol. It’s common for folks to run till failure and call the pros at failure.
That's the norm for any industry. I'm a motive power tech, most customers regularly fuck their batteries and forklifts. We're pretty good at getting them on a schedule for maintenance and check ups for the lift. Though the battery is often killed by a lack of watering, over watering, improper charging practice, or a myriad of other bad practices that I have to mend. The amount of customer batteries I get in the shop that take 2 or more weeks to recover, or can't be fixed is common.
There are a few customers that are great about caring for their equipment at least, SaltWorks is a great example. They buy nice chargers, they buy good watering systems, and they use a bmid to tell the charger what to do for each battery and monitor the health individually. They even rotate machines around to balance how heavily they're used, based on power consumption reported by the battery monitor.
@@wwrite its funny that not doing maintenance probably costs more in the long run. I used to manage a small data-center and the company kept forgetting to do maintenance. The expense were always more than if you just did maintenance regularly, but no, just wait for the break.
And the A/C unit were tiny (it was just 1 rack of servers and 1 A/C unit), not even that important as my computers would run fine at 90º c but they can get to 100º c without the A/C (ideal is 70º c), but that would wear the electronics of any server running at that temperature, not to mention drop in performance.
It doesn't make money, no, but it saves money in the long run, not everyone thinks in the long run, they just think about the next month.
Until the day that there was a catastrophic failure that be (like several hard drive failures, guess if they replaced the worn out disks, no and they probably even worn out faster because of the A/C not working correctly and hot temperatures), something that would put the customer out of business, then they learn about " preventive maintenance " .
But I know better, I don't do that to my car, I keep up with the maintenance of it, for safety, I don't even use my car to earn money as I'm IT and do everything remotely, but losing a business is not like dying.
@Luiz Felipe I personally agree!
For me equipment operating at 100% is where I thrive. It really bothers me to see equipment malfunctioning or operating poorly due to lack of maintenance.
As someone who has a background in information technology and automotive technology, I find watching technicians of other trades fix and troubleshoot fascinating. Keep up the honest, good work.
I work in IT too, I'm fascinated by A/Cs in data-centers, our computers produce a lot of heat to be managed.
+Thomas B -- Let's make that a triple! I thought I was the only IT guy watching and digging the familiar troubleshooting steps. 👍
You explained perfectly why I find this kind of video really interesting.
hell yeah tom. if an experienced tech is willing to share what they know, say thank you very much and if possible pay it forward with your own insights. fucking you tube done right, rocks.
Software engineer here. These videos and mustie1 repairing lawn mowers are really fascinating to watch. I did ops before and anyone new to the field would benefit from watching folks in other fields troubleshoot problems.
“Right now it’s wintertime”... palm trees 🌴 in the distance blowing in the breeze... 😂😂😂🤣🤣🤣 sorry Chris, your Canadian friends like me can’t help ourselves when our Californian friends reference wintertime...
good video, man that unit was dirty, thanks!
Yeah I almost wanted to go home because it was 34 degrees on my job this morning...... we have no concept of cold here! I will be going live on RUclips this evening 12/16/19 @ 5:PM (Pacific Time) to discuss my most recent uploads and answer questions from emails, the chat and Facebook come on over and check it out if you can. ruclips.net/video/_20hGnjjK44/видео.html
HVACR VIDEOS it was a warm day today in Southern Alberta, it hit 18F, but it is supposed to drop down to -5F tonight...
if you sign a work visa for me Chris I’ll start packing and be ready for work in the new year. Just give me your address...
@@Ghfdddcghh trust me California is beautiful but super expensive...... most people are moving out of this place Im the only crazy one left...
I'm from Alaska lol I know what you mean XD
@@Williammcqueen52 I also live in Alaska and had to laugh at the comment because it was exactly what I was thinking. Awesome videos and awesome followers. 12F in Homer tonight.
Huh. RUclips's done it again. I have no experience, nor interest, in HVAC or anything related. But, 40 minutes later I can't get enough. It's just a giant dangerous puzzle!
There are a lot of hack jobs done on HVAC Units. Plenty of work to clean up for a good tech, with built in customer confidence to grab the lucrative preventative maintenance work as a result.
I kind of had the same thing, only when I came home from work, the back door would slam, but not every time. found out the wife was cheating
Lmao wtf
Made me laugh hard as fuck lmfao
Jeez
are you sure that was the door slamming or the sound of her cheating back door
. good one for sure, nice set up with proper delivery.
What do you mean? She was setting the AC to 70-degrees instead of the 78-degrees you agreed on?
Air balance and ice machines are my weakest points in the field but I reference to your videos and it blows my mind how easy you explain things man! Thank you!
I see someone left extra fuzes in the disconnect...as a tech, i freakin love that
I always do that, always think about the next guy
@@HVACRVIDEOS and we are friends for life because of it, i do the same. I see it on a new account and say "good man, he knows what's up!"
Plot twist.. the “extra” fuses are actually dead fuses 💔
@@I_Lucid_Dreamer hahaa! Yeah, that changes your view on them real quick... Friggin tease!
You should get an cheap automotive pully or brake rotor puller from Harbor Freight and that will make pulling those pulley much easier and faster. Prying again the motor housing can crack the housing and puts a lot of pressure on the motor bearings, where a puller put the pressure on the end of the shaft and pulley only.
I'm retired, I feel I would have really enjoyed working in the HVAC/refrigeration industry. Your technical depth and take no prisoners attitude toward your craft is very inspiring. Keep up the good work.
See its funny, there is a train station that I take that has this exact oposite problem, it is so highly preasurised if the heating is running that these big heavy comercial steel doors will stay open like 45 degrees its actually insane.
are there tunnels that lead in/out of the station? sounds like a tunnel ventilation issue
Take the glass out of the front doors.
shreddder999 change the doors to open in 😇
@@ytSuns26 Good one!
Another random RUclips recommendation that has widened my knowledge.
Interesting video! I was an Assistant Manager for a big family dining restaurant in the Midwest. If you wanted your bonus every quarter, preventive maintenance like this was not scheduled. It was up to the General Manager if they wanted to schedule it or not. If something did go wrong, my GM would always attempt to “fix it” instead of just calling a professional first... 🙄 It’s all about that 💰
How is it that there's never time or money to do it right but plenty of both to do it twice lol
Sounds like it would be worth it for you to get the cert for air balance you do enough buildings with air balance issues.
xMoose338x in my area in Oklahoma air balancing is usually a separate field within the HVAC/R industry and does not pay the same as refrigeration work. It takes a lot of time with a non-licensed crew of 3-4 people being paid lower wages than a certified tech so he would be losing money. Not to mention all of the equipment it requires that a tech would not have or want, lol.
Wouldn't a red seal do that i know my brother has a red seal hes contracted to the Canadian military dont exactly know what hes doing apparently he cant talk about it lol
@@DerekGraham777 tell em you need to go camping and leave all electronics :)
I'm a junior at a tech school and I'm in HVAC. I LOVE these videos because they give like actual issues and jobs that I may have in the future. Keep it up man you're amazing!
Great video. Restaurant air balance is difficult to achieve and impossible to maintain if the customer is weak on PM.
My uncle owns his own air test and balance company, and I worked with him during summer breaks while I was in school. This video is really cool, since air balancing isn't really well known.
I feel like an idiot but... I took over a building and have been dealing with a broke belt on 1 unit, when you showed the belt snagging i immediately felt dumb as thats exactly what its doing! I know what to fix now, i just didnt think it'd be that in a neglected 3 year old system. Thanks man!
0:19
Mentions air balance issue.
Immediately almost sucked out into space when hatch opens.
Thank you for showing me what a worn down shiv looks like. I've always been too anxious to ask my boss because I feel like they'll find some way to hold my questions against me. With every video of yours that I watch, I feel like a more competent technician. Thank you so much for doing what you do.
As an HVAC engineer, this is beautiful in a hilarious way. I wish we could make some of our customers view this when they start making decisions that will lead to a situation like this.
After I bought my house, I noticed I could smell like furnace fumes on hot days mostly coming from the basement. I blew smoke around the water heater vent and the smoke would blow back at me. If I opened a window, the smoke would go up the vent like it was suppose to. This would only happen around noon at the hottest part of the day. One day I went into the attic and noticed air was RUSHING around me through the opening to the attic. I found that the previous owner had installed 2 very large attic fans on a thermostatically controlled switch. Those fans would kick on mid-day and literally pull air from the only place it could which was the water heater vent. There was no need for attic fans as the attic is well ventilated from the soffit vents and a ridge cap. I'm surprised no one was injured from the fumes. I disabled the fans and replaced all the carbon monoxide detectors in the house.
RUclips recommendations actually found something cool!
Good Video, I know you spent lot of time making and getting the video ready for airing it on RUclips, just want you know I appreciate it and enjoyed it
Thanks bud
I don't know why I'm all of a sudden addicted to your videos. I'm not an HVAC tech, but I think it's because I'm a field service technician, and I find refrigeration fascinating
Good work Chris. One more thing. Blower wheels. When you guys find a neglected job like this, all of the blower wheels will need to be cleaned. 1/8” of dirt results in a 10% loss in airflow. Take a long screwdriver and scrape the inside of one vane cup to sample the loading of dirt. No more than one, it may go out of balance if it’s very dirty. 👍
Very nice to view another Tradesmen at the top of his craft.
Thank you for the training-as a 37-year commercial electrician I'm still learning. And now I can go buy some new tools!
When you said, “Here in SoCal we don’t know what humidity is.” You spoke the truth!! ... trust me, I’m from NC. 🤣... idk how I got here but I’ve learned more from these videos than all my life in science class!! 😂
NC down by the coast - humidity - can you say 'I'm wearing a wet wool coat in the summer time ?'
I was trained badly as drafter, and I've never had an interest in HVAC, but honestly this is fascinating, I never would have thought that it would be possible to accidentally vacuum seal a building, or that such a thing would require trained professionals to fix.
Ah the old economizer disabled routine. "Why are we bringing in all this outside air? That's costing us money!", or it's stuck open or closed and just gets torn out and never replaced properly.
I’ve been a helper for the past year and a half and your videos helped me get a $3 raise! Thank you!
Thanks for watching and Im glad I could help, I will be going live on RUclips this evening 2/22/21 @ 5:PM (pacific) to discuss my recent uploads and answer question live, come check it out. ruclips.net/video/wq-9nbirA9c/видео.html
Imagine getting your hand caught in the door with that pressure on it...
MrTurboturbine Dennys in every location has this exact problem... their doors are always hard to open
@@TheCrystalGlow doors could be just clapped out
@@TheCrystalGlow don't forget the filthy evap coils and ice machines, never eating there. Ever.
@@TheCrystalGlow How much you wanna bet this is a Denny's?
$$$$$$$$
A Contactor that is buzzing is generally caused by crap on the magnetic faces of the contactor. If you are able to disassemble the contactor to change out the coil, then you will be able to clean the magnetic faces. Industrial Electrician retired.
That is REALLY smart! But.. not to be a negative nelly here, changing out the contactor anyway means one less to replace later as the brand new one will be (hopefully) void of any other problems it might have started showing later despite being cleaned. (like maybe impending structural failure)
yep buzzing or sizzling sound is no good. just going to get worse,less conduction brings more heat,more crap then yeah. the sound of electrical contacts sizzling is like fingers on a chalkboard to me
I spray electronics cleaner into any opening I can find and 99% of the time that works without having to disassemble but eventually it'll build up carbon again and need to be cleaned. Manually brush cleaning takes longer but also last longer.
I dont know anything about your subject matter but are fascinated by your observations and experience. Thank you Scottish john
The pulley lost its "V" shape and was worn in to a "U" shape. The belt is supposed to ride on the walls of the pulley and should not touch the bottom of the pulley. You are spot on. A new pulley is nothing in cost compared to the damage it can do. That constant fighting of the belt being sucked into the pulley can ruin the motor, the belt, the fan bearings, plus it loosens the motor support structure and can lead to a resonance at run speed. Chris, you should record the sounds of a belt being sucked into a pulley and teach your guys so they can spot those types of problems easier.
HVACtechmakuloco vs Fordtechmakuloco. Love it when guys have the same work ethic and able to clearly explain things... You have a new fan. Thanks...
I'm a Glazier and i actually learned about this through our schooling. (We do glass and aluminum doors not just windows) From what i've experienced this problem usually happens in vestibules from time to time
Man, these videos are so entertaining, I could watch these videos until four AM.
Great diagnosis. Wish I had a boss like you to teach me the ropes
All I can say is wow! The wealth of information in that video was unreal. I learned so much from watching it. Thank you for sharing some of your knowledge with us and taking the time to make it!
Tfw its 1AM and you are watching a guy sandpaper a shaft then lube another shaft.
I'm a journeyman but this was the best 40 min video I took pleasure watching. Love it. Subscribed and notifications on. Thanks.
Thanks so much bud!!
Very nice fix. I was told by my air balance guy to have a slightly negative pressure in the building so that no kitchen or other smells go into other rooms. Especially bathrooms. He will re-adjust when he gets there. I worked in research labs and it was critical to keep negative pressures in the labs. Thanks for the video's.
as an HVAC engineer in NE Ohio, it's nice to see that building owner's still don't maintain their equipment on the other coast.
As others have said I will most likely never use the information in your videos but I enjoy watching them due to your work ethics and how easy it is to follow what your doing even though I've never seen the insides of any of this equipment. I'm sure if I were a technician I would be able to learn so much more from you and that that is your original purpose of these videos.
Keep up the good work.
Institutional Journeyman Refrigeration Tech - Man, do I feel ya on those Carriers. Great troubleshooting.
Ah yes, don't we all love it when equipment makes it's own ground. Even better when it's inside a conduit or BX run.
Fascinating! This is a techical/engineering area that affects me every time I use a public building... but of which I knew nothing of the practicalities. Great vid!
I'm an Hvac student in Modesto for 6 months in, EPA universal and just landed An Hvac job. Going straight into restaurant equipment and hotside. And this 15 min in is such a learning advantage! Trying to get the most of "what to expect on the job" knowledge through RUclips. Nervous but giving it my all
You got this bud!!
I will discuss this live on RUclips this evening 2/27/23 @ 5:PM (pacific) come over and check it out ruclips.net/user/livey_KaNe4Bivk?feature=share
I am a network engineer and enjoy watching gaming, robotics, programming, and electronics videos. I just watched a 40m video on HVAC... well played
Thanks bud, I will be going live on RUclips this evening 12/23/19 @ 5:PM (pacific time) to discuss my most recent uploads and answer questions from emails, RUclips comments and the live chat, come check it out if you can ruclips.net/video/K3iG5q_Q_0U/видео.html
Chris, your a certified air balance expert in my book.
There's a gun range near me where the door is so hard to open, everyone uses the handicap button to have the door motors open it for them.
Maybe I should send them this video
Gun range has a different concern, must keep lead splatter moving away from occupied areas of the building and out of the environment outside.
Thomas LeMay the range buildings only need negative airflow in the range area though. The indoor range I go to occasionally has an airlock type setup with doors between the front shop area and the back range area. The range is under negative pressure and it feels in there like they have makeup air being fed in at the firing line and the exhaust fans at the backstop, so that there's a constant down range airflow.
This is great. Detailed and informative. Passed my exam the first day. Now I am on your roof. /s
I wish all tech people were as methodical as you. Great video!!! I'm not an AC tech but I learned something from this. Thank you for posting.
i dont know why but this video was so satisfying and that not what i work in , i work with children . Good job you are very entertaining
My socal brother you just proved the axiom, knowledge is power. Respect to you!
You're very thorough with your videos and explanations. I'm ready to be a tech!
Nice short term solution... Always enjoy watching your videos. Thank you!!!
I'm a cable technician, watching other techs from different industries work is just so interesting to me.
Corporate offices suck!!!!
They make our jobs soooo hard when they dont have to be...I absolutely agree that if we had a little more cooperation from the energy mgmt companies..life would be good!!!
But... ya gotta love um its job security for us techs!!!
Great job chris always a pleasure to watch n learn
29:18 you really shouldn't take keys out like that. You can put grooves in them and change the way they fit. I don't know how it would effect alignment on a hvac equipment but I know if you are doing anything with precision, that would be a massive no no.
And then he renders my comment useless by replacing the key xD
Just use a fine file, alot of times there rusted in. Never sieze works wonders and use pocket point set screws. Just saying.
I'm a retired Motorshopman after 33 years of working in the trade. I've seen a lot the same problems that you fine. GOOD job on the trouble shooting ! I also did infield dynamic balancing of air handler units up 1,200 HP and 10 ft diameter blades for heavy industry. Vibration analysis, Thermal imaging, As well as trouble shooting multicolor printing presses. Your a good technician and should be teaching this in a classroom to others.
Great video man. Learned few new things. I was actually eating out at a restaurant in NYC last night and as me and the wife were walking in I opened the door for my wife and had to switch from my left to my right hand to do that. I thought to myself - well, someone got air balance problem.
Louis Rossman also of New York complains about a smell of sewage being sucked into his repair studio. Odds are it’s from a negative HVAC air balance.
I live in England. Have no experience with HVAC. But still enjoyed watching the whole video. Have learned something.
Thanks so much! I will be going live on RUclips this evening 12/23/19 @ 5:PM (pacific time) to discuss my most recent uploads and answer questions from emails, RUclips comments and the live chat, come check it out if you can ruclips.net/video/K3iG5q_Q_0U/видео.html
I’ve had this issue do many time and it’s a frustrating process but you feel like super man when you’ve figured out the issue
Another great video. Love the simplicity of explanations for our apprentices.
7:50 ... and that's why breaker cabinets have to have doors.
Exactly some idiot threw those rugs down there and caught that breaker and turned it off.
@Mr Sunshines I see you have no idea between "it is legally required" and what I wrote. But hey, better call everyone an idiot when you are too stupid to properly read.
@Mr Sunshines wow you got some serious issues ...
@Mr Sunshines lol I am not quoting anything. Neither directly nor indirectly. This is the worst attempt at trolling I've seen in a long time.
@Mr Sunshines you really have some over-active imagination with words there.
after all these years this is still one of the best. I wish there were more customers with air balance issues.
Love your videos man. I'm doing online school so books don't explain everything very well and your videos help put the pieces together. Keep it up!
Great video, been doing industrial maintenance most my adult life and never worked on HVAC, so this was quite the treat, thanks!
I’m a software engineer but I watched the whole thing 😂😂😂
Thanks bud!
10:14 hey a carrier bracket that isn't a joke, finally!
So I don't work in this industry - I don't even have any job at all yet - But still I'm subscribed to you and love to watch every singe video. There is just something about this job that really interests me. Really like the way you recap the calls at the end lol. Keep up the great work man!
(Edit: Oh and that filthy exhaust fan... Already saw it in your dishwasher exhaust video... Pretty bad maintenance if the grease already overflows (?))
Nice to watch an expert at work, especially one who can keep up a running commentary like this! 👍
Ugh! I hate when places wait until everything is broken, then call for repair. A little PM goes a long ways.
Omg when you pushed in that contactor and it buzzed louder it scarred the shit out of me 😱🙏
I actually thought that the contactor will blow out of the housing...
New to your channel. Not a HVAC tech but I am an electrician here in Canada and have worked with your fellow tradesmen a few times. Have enjoyed your troubleshooting process, steps and hope other young or new to your trade find your channel as they can learn a lot.
One suggestion. Here what we are taught is when turning on”closing” or turning off”opening, a switch/breaker/disconnect etc. Is to use your non-dominate arm, hold switch, ideally on the hinged side of unit, turn/face away from unit, take intake of breath, hold and turn off or on unit. This way if something happens, and arcing will not cause you to automatically intake air due to reflex. , hinge side of unit is stronger then latch side so if unit will open it will open and vent to latch side. Just a idea to consider. Thanks again
This explains the restaurant I was in earlier today. When they open the door in blasts the dining room down with cold air.
This guy is obviously a highly trained engineer
I spent 5 years as an HVAC install tech. (Residential and light commercial) nothing over 5 ton. Im doing commercial electrical now. I always wanted to be a service tech but was never given the opportunity, or maybe I just wasn't hungry enough. I want nothing more than to be a service tech now. Install took it out of me and killed my spirit. You never know what you have until it's gone, I guess. I do like having energy for my family after work and a set schedule instead of potential 16hr days. Lol
As a starting HVAC Technician out of school I must say your videos are very educational and helpful to us newbies just getting into the trade. Keep up the amazing work and thank you for the videos. Cheers from Canada!
Thanks so much for watching! I will be going live on RUclips this evening 12/23/19 @ 5:PM (pacific time) to discuss my most recent uploads and answer questions from emails, RUclips comments and the live chat, come check it out if you can ruclips.net/video/K3iG5q_Q_0U/видео.html
I learn a substantial amount from your videos. Thank you for taking the time and effort to make them. I know from personal experience that recording and editing is not easy.
Up at 20 2 3 in the morning watching hvac vids & loving it
you're not a certified air balance person... you have the interest and knowledge git er done man... Amazing video, im not an hvac person but a Network Engineer and this kind of content is so entertaining to watch. Thank you sir for sharing with all of us youtubers..
love the videos really helps me to remember my own job at times like that...already 2 month at home. miss my job...never knew i would say that.
I know nothing about the blatant wizardry happening in this video. But as someone who’s been trained in restaurant operations, I am filled with the rage of 1000 suns at these people.
Recommended by youtube and im glad that they did, this was really interesting!
You are very Knowledgeable And Follow Thru With The Repairs.
Love reading the comments and seeing the RUclips algorithms bringing random viewers to your channel 🤙🤙
It's pretty neat to see what these parts do after working at a scrapyard for so long.
Very good video you explain very well its like going to a tech school I learn alot the terminology alot of functions of the Units Now I dont work on hvac fulltime but am a building engineer and it makes so much sense understanding with hvac contractors alot and even the troubleshooting man Godbless you and keep on these Videos are a Blessing to all of us thank you for sharing your knowledge
Love watching you work. You would be a great guy teaching apprentices
He's very profesional and methodical about what he's doing and why he's doing it, no running around going on a wild goosechase, instead simply ticking off things on his list, I blame the customer being frugal with maintenance costs you in the long run usually more then maintenance would. As for the force needed to open doors, well I'm not suprised by this, we had a thermodynamics homework a part of it was figuring out if we could open the icebox of a fridge and/or the fridge compartment only *IF* the seals of the compartments were perfectly tight. Any guesses?
No you can't open the icebox, for the fridge that depends on how cold you set it up and how big the compartment is, but usually no you can't, that's why the seals allow for air intake after being closed. With some fridges and seals that are relatively tight you can kinda hear them hiss when you closed them, that's the air flowing in as it rapidly get's chilled below freezing. So why can't you open the doors if the little air that is within the freezer and/or fridge gets colder? Well: P=F/A and as air get's colder it reduces it's inherent need to occupy volume generating negative/smaller preasure (in comparison to the outside), now we have the P let's see what is a door? A plane with height and width that devides the inside and outside but width x height =A so P=F/A becomes F=PxA , F being the force it takes to open the door can become greater then F=m x g x µ which means that the force that keeps you fridge in place against pulling is weight x gravity constant (9,81m/s² or ~10m/s²) x frictionfactor (rubber tile I aprox 0,5) and once something moves the force needed is reduced even more.
And that's why I accidently dragged my old fridge (freezer and fidge combined) about 10cm (~4inches) through my kitchen when I forgot something inside and rapidly pulled the door open since gentle didn't cut it.
Thanks a lot from India, for the practical insights....appreciate your efforts...
Not sure why this was in my recommended or why I'm watching it, but pretty glad I did. Interesting watch.
Your good to show what’s up and to show it the way you did. I worked in trades and the folks I learned from hated to lay knowledge on anybody. Lots of hard knocks along the way.