Trane Pre-Mix Burner Heat Exchanger tips

Trane Premix Burner Troubleshooting

[@dbl8656]

I do this for a living and still learned something new

[@lmillert]

I have learned more from you than from any other source. Thank you. I do easy stuff like belt change, filter change, and cleaning. Although I can troubleshoot most things, I leave the heavy stuff to the pros.

[@davidharty3653]

Glad to help

[@JesusRodriguez-bu1gy]

Can't put in to words my appreciation for this video! Incredibly helpful, thank you!!

[@earthling94]

4 years later and it’s still helpful. Thank you

[@zipperdingo6385]

David you deserve a billion likes, love and thanks

[@davidharty3653]

Thanx brother !!

[@murkyturkey5238]

I couldn’t figure out that woofing sound when it ignited but now I know, thank you 1000 times

[@HayYou-p5d]

From now on, if I need help. On any unit, I'm going to refer to you. And I'm going to recommend you to other people. I've been doing thirty five years You know your shit And you explain it very well in detail. Guys have said that I should start a video. But after I saw yours, you put me to shame LO. L. Thank you so much.

[@hvacrefrigeration5204]

Wow, that’s excellent video sir, and thank you that training session.

[@wey-coolrefrigeration282]

no matter how much i know after 25 years , i always forget and need a little refresher when you dont work on certain things daily, thank you for the video!!

[@edilsonserafim4784]

Thank you so much this video helped a lot today

[@lucasmorgante8419]

I saw part 1 and 2 of this video many times and always learn something new. I'm bringing back to life an old trane voyager 15Tr, the heat exchanger tubes were cracked, the electronics and big transformer were removed. I replaced the tubes, clean and paint rusty parts, also i've made an old school relays circuit and, thanks to this videos, i've found wich ignition board should i need. This week is the deadline of this project to me and I'm very thankful with you. If you are wondering why someone could make such a job the answer is that i'm in Argentina and there is no genuine Trane parts and a new one rooftop is out of my customer budget now. Again, thank you sooo much. Regards from Argentina.

[@davidharty3653]

Glad it helped you all the way out there in Argentina, never thought I’d be getting all these comments from around the globe ❤️

[@mitchellcarl22]

Thank you for this in depth video… it was exactly what I needed

[@gmguy156]

I really enjoyed this. I wasn't aware of the inlet requirements. Explains why its rough at times of fire. I subscribed. Very well explained, stayed on task and provided a diagram! Outstanding. I wasnt aware of the larger transformer use. Guy I work with did tell me about anti seize

[@scottsamu2614]

Great video well done . Thank u it helped me prove a point .

[@davidharty3653]

No problem 👍

[@dickhertz1823]

You the man. Thanks a bunch. I've been in commercial refrigeration for the past 23 years but our company is just now getting their hands into HVAC and boy you explained those well. Thanks again and Happy Trails to you!

[@murkyturkey5238]

You work on chillers?

[@dickhertz1823]

Yes I do

[@gordonpotts753]

Very nice presentation. Thorough and competent. T.u.

[@davidharty3653]

Thanks Gordon, appreciate the kind words, glad it could help

[@hectorhernandez6381]

Good thing you explained that the HSI is also the flame sensor!😅

[@davidharty3653]

Great point!

[@AgentFunk]

This is such a great video. I had no idea what I was doing with this unit (I'm an apprentice) luckily it was just a the HSI. I'm glad I understand how these units work now

[@saltrue1555]

Very instructive thank you for your teaching. God bless

[@ulairecantea9231]

Thank you so much for great info. Really appreciated

[@austinsuper3654]

Fantastic video. Have to do a bunch of heating inspections tomorrow, and this breakdown really laid everything out for these units. Great job 👌🏽

[@davidharty3653]

Cool man, thank you !!

[@jasonclements4607]

Thank you. Just started coming across these

[@davidharty3653]

Glad you like them!

[@guardianmn]

Good refresher. Thank you, Sir.

[@louier66061879]

Newly subscribed. Thank you for posting this tutorial. Job well done. Explanations easy to follow and understand.

[@153pacman]

Thank you very much!!! I’ve always wondered how this RTU really operates. Again thank you!

[@Tommy_boy007]

Thank you. I don't work on Trane RTU's much. And I have to help a newer tech troubleshoot a unit.

[@bigdaddy4975]

Thanks buddy big help. Awsome

[@LeeLewisish]

Really like your videos. I'm a new hvac tech and this was very good. Please do more videos; you actually make sense and explain technical details well.

[@arthouston7361]

Here is a service note on the combustion blower Voyager setup Too high of an inlet gas pressure will keep the valve from opening. The telltale is the gas valve makes a chattering noise as it tries to open the valve. I recently found a gas regulator set to 32" WC, which is far too much pressure going into the valve. Years ago, I started setting the regulators to the middle of the inlet pressure range (7") and this has worked very well. Be aware that the Maxitrol regulators have a limited service life, unlike the more expensive regulators such as the Itron. If you have a doubt about a Maxi, replace it. One additional tip: the negative pressure gas valve is the very last thing you should consider as a causal factor of a service call. Unlike other positive pressure setups, this is not a "first thing." They almost never need to be adjusted. Almost.

[@Nateone626]

Art Houston this is helpful, I had a no heat call and when I got on the roof I heard a chattering noise from the gas valve. I wasn’t to sure if that was the switch chattering trying to open or not

[@actechformallyyomama746]

I had new construction job. Went to fire up the furnaces. Flames were woofing. Check the pressure inlet and it spun my manometer trashing it. Gas pressure was supposed to be 4psi and it was 40psi. It hammered the 3 regulators on site. They added another regulator to the gas pipe and got it down to 4psi.Furnaces were still woofing. I told the plumber to change the regulators that got hit with 40psi. Big pissing match. I told him I would buy the smallest regulator and if it fixed the problem on the circuit he would have to pay me for the valve and an extra $100. He said no. He replaced that regulator and everything on that circuit worked fine. He changed the other 2 and didn’t want to talk to me anymore lol.

[@Nateone626]

Yo Mamma funny cause I got into it as well with the plumber because he said the the regulator was fine until I showed him the gas pressure lol

[@carloscanas7946]

Thank you very much for your time this video is fantastic and a great help God bless you

[@hkhsm359]

Very good explanation and knowledge. Please keep posting videos

[@gordonpotts753]

Excellent overview of the gas train. T.u.

[@felixfajardo7164]

Thank you sir . Very helpful. I was able to get some units working correctly once I got the right pressure readings

[@zipperdingo6385]

Lovable person David thank you for the generous information

[@mikeclark1756]

Great job Thank you so much for taking the time and teaching.

[@ericnettleton932]

Great video! So useful!

[@arodandjeter1]

Has anybody ever heard a squealing kinda of noise from the trane voyagers? Had an issue I fixed with the help of this video. But another one identical to it has a squealing noise instead of the whooshing noise like the first call and the video show. Gas pressure was off on the manifold side. I adjusted to -.30 but sound didn’t stop. Only made it slightly better.

[@1515alaro]

Thank you so much for sharing you knowledge!

[@destronger5313]

also, the 4 digit number (normally 4 digits) that's at the item list/part location is a short code for the part when you're ordering parts btw. trane specific.

[@jeffreykubiak5126]

Thanks Dave great service input!

[@jeffvandagrif]

Thanks Dave

[@davidharty3653]

Welcome Jeff

[@shanegreen268]

Thank you so much for sharing your knowledge

[@israelnieves7785]

Awesome video, I’ve worked on these many times... enjoyed watching this...👍

[@arthouston7361]

ALSO...get yourself a copy of the Trane Combustion Pamphlet. You can find it and download it in the HVAC-Talk Pro section under "Pro's Forum Commercial." You can tell that the illustrator has never actually seen one of these, but the textual info is great. It also recommends my setting of 7" of inlet pressure from the regulator to the gas valve.

[@elcrazy8017]

Thanks for taking the time to teach us. Very good Video

[@fredd8140]

great, great stuff. thank you

[@timmo6113]

excellent video very informative

[@DirtyJobsGuy1]

Wow! Great video!!

[@davidharty3653]

Thanx Man, appreciate that

[@killahbeats631]

Thank you this video help alot

[@onesimpleman1]

Excellent video

[@a.t.7021]

Great info.... thank you so much for the insights.

[@rigakit]

Super video!Thanks

[@DF-et4gs]

Thank you for making this video!

[@saltrue1555]

Thank you very much. Good video

[@davidharty3653]

Thanks Sal, Appreciate it

[@actechformallyyomama746]

Great video thank you for your knowledge and sharing it.

[@PBS-nm1uu]

thanks, wish you would do a sequence of operation. thanks.

[@HVACRSurvival]

Thanks for the video, good info!

[@IvanGonzalez-dv2zh]

Great video!!

[@davidharty3653]

Thanks!

[@amitjadhav9561]

Nice video Quick question - Similar to the line diagram you drew for the prw-mixed burner, can you please upload a line diagram for what happens once the pre-mixed air enters the heat exchanger ? How this particular heat exchanger works ? And why trane have this costly drum and tube heat exchanger while industry uses simple tube heat exchanger ?

[@maheradous9257]

Good job

[@davidharty3653]

Thank you, hope it was helpful

[@LuisRamos-rw5yu]

Thanks for the video Very informational

[@jakebrown3769]

Thanks for the video, keep them coming please👍

[@golddroger31]

Great content, great tips! 👍

[@jasonlee771]

Perfect

[@zzhud511]

great job!! thank you

[@davidharty3653]

Thank you too!

[@joemikhaiel3710]

Great 👍 thanks for sharing the knowledge

[@esker31]

Very informative.

[@michaelramirez8535]

Great video,keep up the good work.

[@ed6837]

If I recall some of those gas valve Trane shipped them and the adjustment port was sealed

[@joelcuellar8405]

great video, thank for sharing..

[@stephanepigeon556]

Hi David this vas very informative Can you please tell me what is the best way to inspect the heat exchanger

[@jimdamiani1823]

Fantastic video!

[@jorgeestrada3894]

Thank you!

[@davidharty3653]

You're welcome!

[@BillyN31]

My company had to replace 2 of these at a school. Both new ones were bad from the manufacturer. Loose screws and bent metal at the barrel connections. Gas company came and red tagged both RTU’s. Inspect these things while they’re in the crates. Seriously. Not a good place to be if you install them like they’re making them. Leaking like a mother.

[@stevep9992]

Good job, thanks!

[@Mars4190]

Good info 👍🏼

[@Arieldny]

Omg 😱 thank you so much ! I was going crazy. The unit that I’m working on stops receiving 24v to the gas valve, in I’m thinking some kind of safety... ? Inlet w.c was low 6.2

[@davidharty3653]

Check the primary hi limit safety (bottom right corner of heat exchanger) & Secondary hi limit safety in the blower section, also make sure the hot surface igniter is working (glowing)

[@israelnieves7785]

Great video thanks. I have a Trane that’s giving me 2 blinks and it won’t fire, I replaced the combustion fan motor and I suspect the IGN board is also defective. The unit is 15 years old should I replace all the safeties and the valve as well?

[@newagedawn1358]

another great teaching vid, enjoyed it!!!!!!!, can you please do one on jule, tx's

[@davidharty3653]

Sorry I’m not familiar with a “Jule”

[@newagedawn1358]

@@davidharty3653 sorry dave, the jayde control for economizers

[@reza49363]

Thank you David

[@hvac01453]

I had one of these huffing, I suspected the prescreen was dirty. I was wrong, it was missing. The pressure swings from -.05 to -.30. My employer is asking how could it run without it.... I don’t know, I just know it should be there. This is an LP unit.

[@badillo509]

Great video

[@RJMaker]

Fantastic video, well done. Thank You.

[@abdellatifjaidane858]

thanks for sharing knowledge!

[@joemorales9093]

What's the difference between 1ststage & 2nd stage heat gas pressures?....

[@patricklantz9208]

Great video. Thanks

[@williamlopez3254]

I need your help please Do you know where can I buy the burner cap ? Because my heating is. No working causes has a hole I need chance

[@kirstenanolick7668]

Awesome information.

[@bigdaddy4975]

I am having a problem with the Sam unit it starts stops starts stops we changed the gaskets flame sensor everything and it still keeps doing the same thing

[@abaidaramex2818]

Great great great

[@Jugc0006]

Superb!!

[@PAToph]

I just quoted 1700 bucks for that plate, combustion fan, burners, and the gas valve assembly from trane. And that is my cost.

[@matthewkeed83]

Is it necessary to take the large plate off for cleaning out the chamber or is cleaning the removable mesh enough. Thanks great video.

[@davidharty3653]

Matthew Keed sometimes all you need to do is clean the small removable screen, but if that doesn't resolve your issue you may need to remove the plate to clean it or if warped replace it.

[@johncote2776]

the black rubber gasket tends to leak over time and needs replaced

[@INTERNA9]

thanx

[@capitolrefrigerationheatin7501]

Is that natural gas or propane setting? Also, I have a unit with cracks in the heat exchanger and the burner wont light, is that difference in pressure from cracks causing that issue probable?

[@bigdaddy4975]

The only thing we haven’t changed is the inducer motor

[@davidharty3653]

Does it light and then go out and relight, can you be more specific ?

[@kevinmenue8883]

My trane unit turns on the inducer fan but doesn't light. I don't smell any gas and the inducer fan will run non stop

[@shane3000]

Does the ycd150 HSI need to see a certain amp reading back to board before it will release 24v to GV.

[@leepaeksoon4886]

How important is the pre gas screen that is before burner screen? I came across unit thats coughing and turning off because it cant detect flame. I took it apart and found the pre screen missing.