Dining Room Warm & Humid LOOK Deeper Than The Air Conditioning!!!
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- čas přidán 5. 07. 2024
- Dining room was warm and humid, it might be logical to look at the Air conditioner but you have to look at the whole building and see what has changed. Did the building use to heat and cool satisfactory prior? When did this start? Did something recently change or has there been work done to the building recently? Ask questions, don't just change settings without interviewing the customer...
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#hvacrsurvival #hvaclife #hvacservice #hvacr #refrigeration #troubleshooting
00:00 TruTechTool
00:13 Air conditioner not cooling well
00:32 looking at the problem area
01:29 visual inspection of the cooling system and exhaust
02:19 Jade economizer controller check out
03:18 checking the air filters and belts
04:56 look at what I found
06:11 checking power to make up air system
07:04 to bright to see the display
08:23 max rla of the blower
09:43 basic makeup air layout
11:27 adjusting high speed min position
13:24 Why the exhaust make-up caused problems
14:20 Adjust the thermostat differential - Zábava
Lol I caught your reference to the “fresh air paranoia”! Rick I really enjoy your videos my favorite hvac CZcamsr hands down!
Thanks Goober! Yep I'm Anti- anything I'm forced to do....I'll leave it at that for the imagination...
"The kitchen is the sacrificial lamb"😂🥵🔥
😁👍👍
Another educational vid. Thank you for taking the time to produce it. So much going on and to think about. Thank you for taking us along.
Glad you enjoyed it!
No internal access to the roof? That sucks. Never did like leaning ladders up against guttering. Or ladders either. 👍😁
Hell yeah, Nice Job Rick!
Thanks Steve!!
Nice job understanding your situation and site, along with the equipment. Another great video Rick
Thanks Jason🤜🤛👍👍
Good detective work Rick.
Experience at its best 👌 ricky
Great video and great job looking at the building as a whole system.
Thanks so much! 🤜🤛👍👍
Great job Rick, Stay with the big money customers, and make them happy, and get some more tools and make the family happy. Stay positive, your on a good path.
Thanks John, I wish I was more positive, I've struggled with that since the day I was hatched😁
Good little vid ... Thx for sharing ...
Glad you enjoyed it!!!
Weasel dink what the professional manual did you learn that from. LOL I love the terminology! You did an excellent job you managed to get up and down the ladder without hurting yourself. I wish you the very best day keep up the great work...,
❄💪👍🇺🇸🙏 always enjoy your troubleshooting steps thanks Rick
It may not run all the time . Some VFD,s use a thermostat on the heat sink to bring the fan on .
Nice
Yaskawa have been a pain in the butt. I have not had a lot of luck with them. Quite a few failed. I stick with ABB drives when replacing them and have retro units to them. Nice job on seeing the big picture....
Thanks for sharing👍👍🤜🤛
That MAU not running was most of the issue as it was using the economizer as the MAU. Surprised the front doors actually could be opened without the MAU.
Correct, that's why I was saying that the air was being drawn from the front of the store through the economizer more than normal.
Didn’t your company do all the mechanicals on that building?
Not everyone is as picky as I am and my people watch my videos. If something isn't right I let the uppers know and let them handle it.
nice work. they let the condensate dump on the roof out there? that doesn’t fly around where i’m from. beats them up real bad
There are places where we will run PVC piping to the roof drain or the spouting but it's common around Ohio to just dump it like you've seen.
@@HVACRSurvival does it not grow moss/ mold that is so slick it’s like walking on ice and make super ugly stains on those $20-$30k roofs all the neighboring buildings can see from their office and apartment windows? or do you not have those in Ohio?
Hum. Both the min and max setpoint on that outside air damper was 6.5V. It sounds to me like the damper isn't going to move very much. Or am I missing something?
That is how it was originally, but I cut the high down to 5v low is still at 6.5, I was told it worked last year and that it was balanced so I tried this small change first. The biggest problem was the make-up air not running.
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Did someone add minimum outside air for increased fresh air to flush out CoVid with AIR CHANGES PER HOUR.
New air standards from ASHRAE will likely be coming down the pike with increased outside air dilution to occupied spaces for increased air quality at the expense of outright energy efficiency. Likely will be more energy recovery systems installed in commercial spaces as a result.
Perhaps the Jade settings were a legacy of full occupancy requirements during winter re-openings.
That's what I was thinking at first, that's why I said paranoia. If I say the cvd word CZcams can get pissy with their lib. views. It was set up by the air balancers that way for whatever reason. That's how I knew where the duct work was on the make up unit when I came back to it, I made a call to the office to find out what the hell was going on.
Yeah , you hinted at that in the video that there was a call back to the office.
It's always best to ask more questions
I guess it will be very difficult to install energy recovery for outside air in a restaurant without the heat exchangers getting clogged up with grease? Maybe if you separate the kitchen from dining area.
Had one of those controllers set at 80 degrees for free cooling.
😂🤣🤣🤣🤣👍👍. That's the easiest controller I've ever used.
@@HVACRSurvival, by far the best. You know what the sensors are reading, you know what it’s trying to do. Easy to diagnose.
I have the book outlined for a couple settings that are a little confusing like the exhaust but they have been great other than the guys hooking up the one analog sensor into the data buss
@@HVACRSurvival I mainly do installs and the book that comes with the control is awesome. Detailed and clear instructions. Easy to comprehend and in large enough print to actually read.
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Thanks!
"Weasel Dink back and forth".
That might be the first time I used that in a video...lol
that sent me into a howling fit like a banshee. 🤣🙃
They might have purposely increased the fresh air intake % because of the recent health crisis maybe ?
We did that to the nursing homes at the beginning then had to go back and close them all because the AC couldn't keep up. 😏
34 thumbs up
#bringthelivestreamback
You gotta set that minimum damper for global warming!
Do you believe that BS?
I know 81 million people that do!! 🤪
Ya right, and I'm George Washington but who's asking you ID
Usually code is 20 % min open for outside fresh air on the roof tops units and bldg. fans in Indiana
That seems high. 10% in Ohio as far as I know and most don't even open it at all if they have problems cooling the building.