Chiller & Boiler Has The Farts
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- Опубликовано: 6 окт 2024
- Two service calls in one video. Every year this system had to be drained and filled when switching from the chiller to the boiler, this caused all kinds of air lock issues. We added glycol to the system and got it running, two weeks latter and it stoped working. Now Lets see what happen.
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Man it feels good to be a tradesman and able to help your church.
This system is so convoluted, reminds me of my old days as a service tech and understanding what the heck was the engineering smoking when they put the system together.
hitting the crack pipe lol
To add more water and bleed out some glycol, take a water container with a fitting to the top, and connect a hose to the bleeder valve. Make sure there's no air in there. Have someone open the bottom until it starts refusing to drain out, and open the bleeder valve. That should drain water from the container at the top into the system while glycol/water mix comes out the bottom. Shut it off when you get close to emptying the container, then shut off downstairs No air entry into the system.
It’s very cool you seem to be able to work on everything. I hope to be at your level in my career
Thanks but I still have to look things up and figure them out. As long as you learn the basics you'll be good 👍👍
Thanks Uncle Rick. Been watching your videos for sometime now. I do Ice Sculptures and need to know a little about HVAC for the environment I'm in all the time. Your videos are great and I really enjoy them and your commentary. Thanks again!
🤙👍👍 cool! Thank you!
Good Lord what a maze of madness! My brain hurts just trying to understand it all! 🤣
😆✌️👍👍
@@HVACRSurvival went to school for HVAC in the early 90's.... Didn't finish the course unfortunately.... Or was that fortunately? 🤣. After seeing what you guys go through.... WOW!
@@musicnerd72 what did you decide to do instead?
@@HVACRSurvival CNC machining.
@@HVACRSurvival I still find the HVAC field more interesting... But I'll just sit back and watch you do all the work from the comfort of my recliner! 🤣🤣🤣
lol at not turning the pumps off. you had wee little geyser ehh? 🤣🤣 it's always funnier when it's not me taking the unscheduled shower.
Nice call....thanks for the video.
Air in the lines equals fun times. That heating setup was crazy big money in that setup
Rick brother I think it a great thing for you to be showing all sides of what a havc-r service tech deals with year round enjoy your videos brother keep up the awesome work
Thanks Doug!
I’ll say it for you Rick! Master boiler and “SLAVE” boiler! Lol gotta love tip toeing around feelings everyday!
Journeyman boiler and Apprentice boiler
.Good job Rick, I might be wrong, but they might need a spot on the piping for a purge station.
Thanks for showing the control panel. After seeing the JCI VFD and JCI actuator on the coil valve I was wondering if it was Metasys or Facility Explorer controls. Been a programmer working with Facility Explorer for 12 years. It’s ruined me lol…anytime I walk into a building conditioned with more than a small split system I get curious and start looking for clues as to what control system they have.
Most impressive is that a church actually spent money on controls lol…
They spent stupid money on it. They have CO2 and static pressure on the systems.
The mechanical contractor I work for just started a controls division and we rep facilities explorer/ Johnson FX, I’m curious what area of the country are you in? We’re located in the Memphis, TN area.
@@HVACRSurvival definitely overkill for a church. I finished up a project of similair ridiculousness a few months ago (in a church nonetheless). The building was gutted by a fire so insurance money paid for a new automation system. Demand control ventilation, dehumidification, front end with a complete graphics package. A basic sequence could have been accomplished with Honeywell VisionPro stats and JADE economizer modules but engineers got involved and destroyed that idea lol.
@@robertwells8366 cool. Overall I like the line once you learn its quirks. We’ve done some unique and fun projects with it. I’m located in the suburbs of Chicago.
@@matth5309 I gotcha, the division is really taking off and already taking on some major clients in the area. If you’re ever interested in making a change or interested in doing some tech support/ consulting on the product let me know and I can get you hooked up with the GM. I know they’re looking for some serious talent and are paying top dollar.
Welcome to my world. This is the type of equipment i wotk on every day. I love heavy commercial. I was working on some cool stuff the other day at the capital building here in Texas....you would've loved the mech room. Full of cool equipment and a hodgepodge of old and new. 100hp pumps, pneumatics, valves, actuators, face and bypass.....etc etc. Worked on those Carrier chillers a lot. They are pretty easy to troubleshoot.
Thanks for checking it out!
having that ole type compression tank, you should not have any other auto vents on that system, except that they can be there for the first fill, refill, then valved off.
You need to figure your air separation at the compression tank, and at that primary air separator / swirl tank,
Dan Holeran, Pumping Away,
tank isn't piped or pumped correctly
I have his steam book, I've heard that about those tanks, I wasn't sure why that was the case
@@HVACRSurvival @HVACR Survival the open auto air will deplete the air cushion from the compression tank, some of that air cushion get's reabsorbed during normal operation.
the tank and air separator swirl tank also need to be piped correcly.
B&G has good reads on this, as does Holerans sight, search "pumping away" and "point of no pressure change" (PONPC)
also look into primary secondary piping, and PONPC,
but damn, yeah, that's alot of pipe and valves
must pump away from the tank/connection(ponpc),
and secondary circuits then pump away from the primary,
then air separation is a breeze.
Your more than your average AC guy!😂👍🏻🍺🍺🍺🥃🥃🇺🇲
Joe seems really cool 👍
He’s a great guy! I seen him today, he’s about 70 I believe. Semi-retired kinda 😊
The art of the FART !!!
😂😂👍
I can't stop watching
Really?
Gotta love dual temp loops
That one kick your ass..
It happens often, I’m still learning chillers, but I need that feeling to know I’m learning something new.
Great Video. What is glyco ? which's unit hvac use glyco ? Thank you for sharing
Glycol's a lot like antifreeze in your car. Systems that have water coils whether it be for chillers or boilers can run glycol in it.
Great job
Do they have two heat emitters requiring variable fluid temps? Do not get why they have the mixing valves if the boilers can modulate. Are they intending for the cooling water temp control? Hard to judge a system at arms length
I think the boilers are newer than the valves, I believe there are piping issues then add that to being over controlled
I'm really confused on why they go form water to glycol for heat, and glycol to water for cooling? Keep it a constant glycol. There is a parameter in configuration to change the carrier to a glycol chiller. Maybe im missing something
Yeah you're missing that they've always been water in the past, never had glycol in the past, ever, they wanted glycol now so we drained the water out we put glycol in we're not taking the glycol back out.
Head scratcher 😂
Why not leave the glycol in year round? Efficiency concerns with heat transfer?.
Sounds like a waste of money to do this twice a year. Ahh… just heard you bring up efficiency in the video.
What is the efficiency loss versus pure water.
That's not what I was trying to explain. They "used" to only use water. Then drained the chiller every year. Now, it will NOT BE DRAINED because it has the glycol. I forget the eff loss, but the higher you go the more you lose.
I would love to be your apprentice
🙏🤜🤛
Antique heating systems
Air handlers are old but they're just copper coils, otherwise how is a variable capacity boiler that's 90+ percent efficient antique? That's pretty good 😂😂
What is the acceptable over limit of concentration like if you have -5degrees target temp?
You can go over protect the waters freeze protection and it will still transfer heat to or from the air coil but you start losing efficiency, I'm not sure without doing more research exactly how much you start losing.
@@HVACRSurvival thanks mate. I just work with glycol chiller where we put -20C concentration but only -5C target. Just need 2nd opinion if we do too much gylcol with that concentration.
what kind of church needs that kind of overkill system, wouldn’t just a few furnaces and condensers as different “zones” do the job? Must be a big place!
That's the old section, they have 4 packaged RTUs and 6 split systems. It also has something to do with the person that ran the mechanical worked at a school that has BMS.
Huge air handler? Not really I can show you some huge air handlers.
Was it designed for glycol?
What does that mean?
👍👍👍
It seems no matter where in the world you are , hydronic systems are never labelled as it should .
And of course there's always that one jackass who will pretend it's all just obvious and common sense !
Preach it brother🙏✌️✌️✌️
Just curious if it is a 2-pipe dual temperature loop why not just charge the chiller heat exchanger in the fall and leave it isolated from the rest of the system and then just use water in the hydronic loop for heating? Or do you need freeze protection for the air handling unit coils? Great video.
I'm in Ohio. It can get down to -15 to -10 times. The boiler and chiller have the same water coils, there not separated.
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I was surprised he gave them to me when I saw they were made here, the quality is crazy.
@@HVACRSurvival I definitely stand behind their products I'm thinking about picking up some scope lead