Most Common and Basic Problem on High Efficiency Furnaces!

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AC Service Tech LLC

AC Service Tech LLC

Күн бұрын

In this HVAC Training Video, I Show and Discuss the Part from the Furnace that Leads to both Intermittent Issues and No Heat Calls! Supervision is needed by a licensed HVACR Tech while performing tasks as Experience and Apprenticeship garners Wisdom and Safety.
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Пікірлер: 69
@SleepyGlobe-ic5do
@SleepyGlobe-ic5do 5 ай бұрын
I would love to see AC Service Tech to get into commercial/industrial HVAC; Boilers, chillers, cooling towers, VAV reheat systems and such.
@21xd09
@21xd09 5 ай бұрын
That happened to me on a no heat call a few months ago. The unit was a 2013 Carrier 95% with an ECM motor. About the same thing happened in this video except there was also dirt in the trap and one of the pressure switch hoses had water clogged in there as well. Cleaned the living crap out of the trap and cleared the hose leading to the pressure switch. I also did a little maintenance by cleaning the flame sensor, making sure the filter was good and making sure the sequence of operation was not interrupted during the heating cycle (Customer didn't have maintenance done in a bit). Unit came back on like nothing happened to it. Definitely not fun to do in a crawlspace with a bunch of those massive cave crickets (sprikets or criders as some call it), but was glad to see the customers was heating again before the winter months hit. Thanks for the video! Extremely helpful for a tech who is beginning to get their feet wet in this field! 😎👍🏾
@CM-ou4zr
@CM-ou4zr 4 ай бұрын
You did a good job! I always do flame sensor, condensate, filter, and capacitor check (if applicable) on any furnace I check even if it's just a bad thermostat. It will help you avoid call backs
@danwesten2771
@danwesten2771 5 ай бұрын
That's a good explanation of the basics regarding the condensate traps and lines.
@efrainsarceno7465
@efrainsarceno7465 5 ай бұрын
Thanks for sharing your knowledge, Happy New Year Craig!
@deanmartin1966
@deanmartin1966 5 ай бұрын
Great video Craig. Thanks for sharing and Happy New Year.
@stardust-rv7mr
@stardust-rv7mr 4 ай бұрын
Great video, Great Teacher!
@YTsux24-7
@YTsux24-7 5 ай бұрын
Why do the manufacturers not make these traps more cleaning friendly? Also, putting the clear side facing out would help identify potential issues.
@traktion9
@traktion9 5 ай бұрын
Ya I agree, put a rubber gasket and let me open it up or have a clear side like he showed for quick inspection.
@sand7414
@sand7414 5 ай бұрын
They did it on purpose. So you have to call company to check your furnace
@davidparker9676
@davidparker9676 5 ай бұрын
Because they want to sell parts and new heaters. They have no interest in making their product user serviceable or to last longer.
@Pseudify
@Pseudify 4 ай бұрын
@@davidparker9676. Except for the fact that people won’t buy their products any more.
@davidparker9676
@davidparker9676 4 ай бұрын
@@Pseudify Except when the conglomerates own all of the garbage brands and whichever product you buy , your money goes to the same conglomerate corporation. There are only a few choices in reality.
@seshachary5580
@seshachary5580 2 ай бұрын
very educative.Thank you .regards
@CBsays_
@CBsays_ 5 ай бұрын
Great video! Thanks!
@piratanet123
@piratanet123 5 ай бұрын
Thank you!
@CM-ou4zr
@CM-ou4zr 5 ай бұрын
Great video
@MoeKav
@MoeKav 5 ай бұрын
My case was similar to this (Day and Night brand) which is Carrier. Cleaning trap- condensation didn't solve the problem because the problem still exists. Called technical support and recommended inducer replacement. replaced inducer work for 3 weeks then started making a noise like a 1960 Chevy muffler. Called tech support again and recommended replacing the trap and inducer with a choker install. I did what they asked me to do, and it worked ever without any problem.
@CMN843HVAC
@CMN843HVAC 5 ай бұрын
I’m doing new construction on these carriers now two of the biggest issues are pressure switches stuck closed and exhaust flue pipe not draining back to the collection box because the PVC is bowed back to the drain. And nobody wants to check static and gas pressure to set the blower speeds up. The new carrier furnaces have an app to set the profile on carrier service tech app. Goodman has coolcloud app… great video
@chesstime356
@chesstime356 5 ай бұрын
Another nice video as always I like your videos. When you’re publishing another book like steps by steps heating gas furnace procedures like the same book you had for Air Conditioning?
@zahedaminullah6934
@zahedaminullah6934 5 ай бұрын
Great videos as always. There is 1 problem carrier also has. The male fitting where the pressure switch tubing connects to is sometimes filled with water and this is due to the 6 to 8 aluminum fins behind the inducer need to be bent 90 deg towards HEX. Please let me know if any of you came across this, causes a lot of issues on the carriers.
@rolandoaveldanes
@rolandoaveldanes 5 ай бұрын
Hey I’m having an issue with a Bryant furnace we installed about 3 months ago. I’m thinking this is possibly it it keeps giving me code 32 intermittently How should I bend the tabs ????
@zahedaminullah6934
@zahedaminullah6934 5 ай бұрын
@@rolandoaveldanes bend the tabs towards HEAT EXCHANGER, don't bend em towards u, make sure they are bent 90 degrees and see if this fixes it.
@samhaazratechnicalsupport
@samhaazratechnicalsupport 5 ай бұрын
Very niece sir ji ❤❤❤❤🇮🇳
@robertpalmatier2699
@robertpalmatier2699 5 ай бұрын
Can you make a video explaining hydronic systems and the fan relay on them.
@u2tipsy
@u2tipsy 5 ай бұрын
There's no excuse for shavings.
@richardperry79
@richardperry79 5 ай бұрын
I had an issue with the condensation in the trap with my dual fuel unit freezing up. It is in the attic, and when the outside temp dropped into the teens, the gas heat would quit. I built a foam box around the unit and piped a little bit of heat into the foam box. End of problem. I was wondering if I could just have switched back to the heatpump to thaw it out?
@joshkidd2210
@joshkidd2210 5 ай бұрын
My red air hose that goes to the bottom of the round sensor you were talking about gets a small amount of water in it during winter time and shuts down my furnace. And so I have to climb into my attic and pour the water out of the hose and use a twist tie in the bottom of the round sensor to help the bubble valve inside it not be frozen shut to get my unit to run again. Any thoughts on this?
@klabkebash
@klabkebash 4 ай бұрын
Had a situation where the condensate drain was backing up and the inducer and fan motor just kept on running with a 3 blink error code showing pressure switch stuck open. The pvc drain wasn't allowing any air into pipe and water was stuck inside. Added a Tee and water began to fall out better.
@tadyosgu711
@tadyosgu711 5 ай бұрын
Thanks want about ultra lownex pls do some research carrier and Lennox
@jericosha2842
@jericosha2842 5 ай бұрын
I'm surprised you said the trap needs to be cleaned. I rarely see that problem. I usually see poor drainage from the exhaust to the drain. The slope of the exhaust is usually not good enough. Honestly, if we all just started using a exhaust trap drain bypass these furnaces would work much better for longer.
@MrDmadness
@MrDmadness 4 ай бұрын
Agree 100%. They should provide a tap fitting and hose for the air switch connection. And we could field build a trap in the condensate drain then, could also then install at the top, to make flushing the line annually super easy. Failing this just mount the trap externally to the jacket of the appliance.
@dejanmyrtaj1997
@dejanmyrtaj1997 5 ай бұрын
up to how many degrees celsius the external ambient temperature can the motor of the split and vrf air conditioner withstand, minimum and maximum temperature
@michaelfassino4314
@michaelfassino4314 5 ай бұрын
I believe trap issues are caused by incorrect plumbing after the trap and incorrect temp rise ( too low) over the heat exchanger. Correct those issues and the trap will not plug up
@allanbrito13
@allanbrito13 5 ай бұрын
Please do a video on ultra low nox furnaces
@markfinney2715
@markfinney2715 5 ай бұрын
Can your E Books be installed on multiple devices? eg. desktop computer, iphone, tablet etc?
@ejea8298
@ejea8298 Ай бұрын
My inducer motor makes a loud constant vibrating noise on startup. When I firmly press on the motor the noises is gone. Are there any quick fixes for that vibrating noise?! Maybe some love taps?!
@traktion9
@traktion9 5 ай бұрын
My P-Trap was full of mold! Question where exactly is the water coming from? Is that condensate from the outside of the heat exchanger?
@john-smith.
@john-smith. 5 ай бұрын
Byproduct of burning gas.
@danpowers9031
@danpowers9031 5 ай бұрын
It's a condensing furnace. It takes so much heat out of the air , water vapor in the air condenses to water. It collects in the secondary, to the collector box, to the condensate trap.
@MrDmadness
@MrDmadness 4 ай бұрын
Latent heat. If liquid water at 100°C is changed into steam, the heat added (the latent heat of vaporization) is 540 calories for every gram of water. If steam at 100°C is changed into the water at 100° C, 540 calories for every gram of steam must be subtracted. What this lazy on my part cut /paste is saying is that when the water re condenses in the flu and then drains to the drain you are recovering about 970 btu per 28.33 liters of drain water.... theres a reason it's 28.33 liters... 1 btu is about the same energy as 1 wooden match ( 1055.06 joules of energy ) So you are getting a lot of energy you otherwise would lose, the byproduct being acidic water. :)
@Killerbuckets23
@Killerbuckets23 5 ай бұрын
Had this problem with a Goodman furnace. It would intermittently trip during the night time and It took me 3 recalls to the customers house to figure it out 😢
@johnwayne2260
@johnwayne2260 5 ай бұрын
The issue I have is that, that foam seal imprints and may not seal back up after a removal and cleaning of that trap for those newer models…
@NorCal-refrigeration
@NorCal-refrigeration 5 ай бұрын
Secondary heat exchanger failure. Happens from the trap getting plugged. Those are 10 year furnaces.
@natepeterson7145
@natepeterson7145 5 ай бұрын
When you know, you know.
@NorCal-refrigeration
@NorCal-refrigeration 5 ай бұрын
@@natepeterson7145 I replace them with 80% ers every chance I get 🤭😂
@blewidescorpio
@blewidescorpio 5 ай бұрын
⁠@@NorCal-refrigerationI installed an 80 percenter for my parents 2 years ago. I did new home build warranty service for 3 years and the amount of issues the 90’s have there was just no way I’d put my parents through that. There’s variables like horrible duct design in new homes too but still
@deanmartin1966
@deanmartin1966 5 ай бұрын
100% correct. Same here. Go with 80%. When my 90% fails, I'll be going back with an 80 again. Just not worth it.@@NorCal-refrigeration
@jericosha2842
@jericosha2842 5 ай бұрын
Glad you said it this way. Cuz that's been my observation too.
@mikev.1034
@mikev.1034 5 ай бұрын
👍👍
@pmachine3061
@pmachine3061 4 ай бұрын
I have the exact same furnace and the same pressure switch on mine gets stuck closed once in a while. Even after replacing what could be the cause.
@MrDmadness
@MrDmadness 4 ай бұрын
Make sure no condensate gas entered the line TO the pressure switch, and check its orientation, if its horizontal at all it can cause issues as these operate on very low pressures. VERY IMPORTANT . Never ever blow into any line connected to the air switch, if you used a vaccume or compressed air on ANY PART OF THE DRAIN LINE, to "clear it" you've likely destroyed it and need to replace it. No joke, I just replaced one, it was the day after the customers wife cleaned their mech room, and vaccumed using a shop vac around the drain connection, I knew to ask cause there was no dust in mech room and the vac was still sitting there.
@danpowers9031
@danpowers9031 5 ай бұрын
If you ever see that trap gurgle, you have an obstruction in your vent. The pressure switch will not close.
@KenG....
@KenG.... 5 ай бұрын
My condensate line (runs outside) freezes at least once a year. Any good solution?
@deanmartin1966
@deanmartin1966 5 ай бұрын
You could try to add a condensate pump. Then run the clear plastic hose to either a utility tub or like mine it dumps into the washing machine drain.
@Jessedog11
@Jessedog11 5 ай бұрын
dont run it outside .
@MoeKav
@MoeKav 5 ай бұрын
I think the key was the choker. However, the design is very poor. the condensation trap has no room for slope. They should design the trap clear and 1/2" higher for better slope(positive slope) and better water flow.
@jrh86
@jrh86 5 ай бұрын
Increase the diameter of the condensate drain pipe.
@uawsux
@uawsux 5 ай бұрын
The most common problem I found on high efficiency furnaces is the intake the flu gets clogged up with leaves
@michaelfassino4314
@michaelfassino4314 5 ай бұрын
My 90 plus Tempstar furnace is 20 yrs old and I have never cleaned the trap after the secondary heat exchanger Just luck ? 🤷‍♂️
@user-oh1nc9wp7v
@user-oh1nc9wp7v 5 ай бұрын
Off subject. But I really hope your not using galvanized pipe on NG.
@BuildGreenHomesNow
@BuildGreenHomesNow 5 ай бұрын
Always tee off the furnace.. need air.
@edwinfanai1979
@edwinfanai1979 5 ай бұрын
PLEASE WILL YOU POST ABOUT COMMUNICATING system… all in and out 🫣 Evoution systems etc..,
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