Replacing an Evaporator Coil on Trane 4WCY4030 Heat Pump

In this video I replace the evaporator coil on a Trane heat pump package unit. #hvac #hvacguy #hvaclife #hvactechnician #fieldpiece #acrepair #hvacinstall #milwaukeetools #trane
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[@Silky_boi]

When your recovery machine finishes, your supposed to turn the dial to self purge and it’ll recover the remaining refrigerant in the recovery machine. 👍🏻👍🏻👍🏻

[@phillipjoy1305]

A rosebud tip works great for un sweating those coils.great videos 😊

[@daviddesilva4971]

At 2 minutes code says you have to use the whole roll of tape on a low voltage splice. Thxs for the vids!

[@Paulie1232]

I wish you would wrap your TXV when brazing

[@lindaSee89]

Why do I like watching guy stuff but I do. My late dad taught HAVC in night school. He learned it in the Navy.

[@clayevans3421]

Oh lord.

[@dustinturpin3080]

I changed a txv out on one just like that a while back. I pulled the blower assembly and crawled in the unit to get to the back side lol. Love watching your videos. North Georgia boy here.

[@GlenS123]

Another nice video. Never had any luck with that style nitrogen regulator. Always used a bubble regulator, adjust it so the B B in glass would just barely float. Always gave perfect tiny flow, also saved nitrogen.

[@donnyjackson1908]

Your a brave man recovering all the refrigerant without looking at the new coil first to make sure it’s the correct one first! Great content as always!

[@gingyberrie]

thanks for the vidoe.. when unsoldering coils i always cut the pipe below (towards the coil) then pull the old coil out then sweat off the copper .. much easier with plenty of room after the old coil is removed and you don’t have to fight pulling a pipe straight down

[@tphvac87]

It’s hard to stop a Trane 😂 nice work Curtis!

[@keithsac2542]

You might want to get you a captain hook tip for brazing tight spots like that. Makes it so much easier and you wouldn't have burned the insulation.

[@ericcrenshaw5126]

I did this same coil replacement about a month ago. Took the blower out to get to the back of those lines since my mirror went missing. You make it all look so easy.

[@josephzarate7895]

I’ve done a few of those coils to make it a little easier I found using a large ratchet clamp to lift up the top part of the unit and will give you more space to braze the suction line in but great stuff love watching all you vids and channel 🤙

[@ant8788]

Oh my I keep you talking about rain, we need it here so bad in California,Love your videos.

[@donaldpainter956]

I've done hundreds of these over the years

[@MariosACandRefrigeration]

You were lucky not to melt the solder on that txv bulb,great job thanks for sharing.

[@georgebrabec1749]

Hello Curtis; great job ! The advice for lifting the cond section away is great advice. Never mind all of the could of, would of and should of's.

[@jaymz0074]

Been following you for a few weeks. Definitely my new favorite HVAC dude to watch.

[@jacobreed1087]

Good job on that. We are a Trane dealer at the company I work at and we do quite a bit of these coils. I always found it easier to take all the screws from the condenser top and take a 2x4 and prop the top up.

[@HVACGUY]

Next time I do one I’ll likely do that. Thanks

[@clayevans3421]

You stole the words right out of my mouth! Don’t get much more room to work but every inch helps

[@kylegreene1583]

Blind side brazing can be quite a challenge, but you got it. Those crackling knees,,,,, You're not going to be any fun at surprise parties.

[@CMN843HVAC]

I have had the same problem flowing nitrogen with my uniweld purge tool doing an evap coil I go thru my Sman480 and had to turn down my flow lower or close to off just to seal the rest of the system because I’ll get nitrogen pushing my weld open when brazing I’ll see a blue flame coming out the side of my weld think the 5 flow is a little too much maybe half is a good point great work diagnosed a bad reversing valve solenoid on a trane yesterday it was grounded and it blew my new transformer I put in

[@jamesfitzsimmons381]

Good job Curtis. I felt for you buddy during your brazing. You sure get a lot of challenging work

[@ivanb05]

What works for me is I take my tin snips and cut off right above txv and use pipe cutters for suction line the I unsweat the stubs out. I sometimes remove the blower and braze from that side if need be. Also a picture pipe to prop up the condenser can help. Also you subcontinent is showing high because you were on the discharge port. The port above the compressor would give you a better reading. Good job

[@jamespatrick9449]

Best way to get that cool out I to prop the top up with a 2x4, helps tremendously in that tight spot. I'm really surprised you were able to do that without.

[@HVACGUY]

Good advice

[@rasworks]

Your coil had an easier time coming out after unbrazing it. I changed one out last year on same style unit. Had to wedge a piece of wood against the ground to widen the cabinet to pull it out. Great job!

[@anthonyprior5477]

We think alike 👍

[@lonniebearden5567]

Done a few of those coils was kind of a pain until I realized my service van had a bottle jack on it took the screws out of the top side put the jack in on the corner in the compressor cabinet with an appropriate cut length of PVC drain line raised it up made it super easy

[@johnwalker890]

Good job Curtis.

[@zacattack8795]

Love this video buddy and hope you are having a good day

[@wway2go68]

Thanks for the video Curtis! Love watching you! Glad it went well for you and made good money.

[@tylerrowe6380]

I put a pipe wrench on the back corner of system to raise the top for more room to slide that coil out

[@mattbilodeau2433]

@hvacguy I've done 30 of those coils this summer use a 2x4 and cut it slightly bigger than the space inside the coil panel and lift it up. I believe it's 22.25" I can't remember I've used the same one forever but it will prop it up so you can hit your suction top joint with out burning the insulation and for sliding the old one out and the new one in. Hope this helps

[@mattbilodeau2433]

And wrap that txv in a cold wrap or heat block putty

[@hinspect]

Great Video! Thanks. That is a nice vacuum pump

[@mnhvacguy9788]

New subscriber. I like those kind of jobs too, I get into a zone and forget about all of my problems for awhile. And the satisfaction when you turn the power back on and everything works and the customer is happy with the repair. I love that

[@TomLawson05]

Great job Curtis do you need to wrap the txv to keep from over heating

[@juancarlostrejo6323]

Great informative video! Thank you

[@realsthvac7942]

Hey man I'm going to change of on these this morning I should just be able to slide it out??

[@IceWhiteice22]

How did if go for you?

[@realsthvac7942]

@IceWhiteice not bad slid right out

[@michaelschweizer4772]

Hi Curtis, enjoy your videos. I'm not a hvac guy, what is the purpose of the nitrogen while making your connections? Thanks.

[@stephenbierlein2517]

Can't believe didn't raise top to make It easier.

[@lindaSee89]

You are spraying to test for leaks?

[@wellseverett5128]

I really have come to like your videos a lot. I know how nasty the southern heat and humidity can get. I don't want to be critical, but you never clean your copper before soldering or brazing. Your torch flame is (without being an ass) hideous. Bad flame shape and all splayed out. You seem to wave the flame all over the place and "push" your filler into place. It really should just flow. And it really does if the fittings are clean (old and new), and the torch is clean and regs are adjusted right. I just don't see any inner cone or feather at all when you braze. And the joints are all blobbed up. Flow man, flow! Do they leak when you're done? Nope. Of course not. Chris from HVACR VIDEOS just does it right every time. You are dedicated and do great work and have awesome troubleshooting skills. Keep Cool!

[@deanmartin1966]

Great job

[@Sctronic209]

Nice job.

[@kg4muc]

👏 great job!

[@brnmcc01]

I always just change the package unit out. Not worth trying to find a coil these days. Either out of stock or outrageous price. Tried to get one for a 12.5 ton Voyager few months ago. $9950 list price. Not including the TXV's or the header, so would have been a ton of brazing. Nothing in stock nationwide, so just ended up replacing with a 13 ton Lennox. Much easier than replacing a coil. On larger rooftop units, you're going to need a crane even for just the evap coil, shipping weight was 1650 lbs, so you're not packing that up a ladder. Customer didn't want to spend that kind of money on an 11 year old unit, plus the 3 exhaust ports were crying rust, so the heat exchanger was probably on its way out too. Small package units on the ground like this are easier to just change the evap in, because then you don't need to redo all the ductwork, and flashing to the house etc.

[@USA-GreedyMenOfNoIntegrity]

I've got one leaking. Junk compared to when I started installing them in 1997!

[@macogarage6428]

way you are changing the evaporator coil?, what was wrong?

[@HVACGUY]

Leaking

[@macogarage6428]

@@HVACGUY thank you. I love the way you represent all the problems

[@metsrus]

How old is this unit and is it better to get a new instead of just replacing the evaporator coil? so many things can go wrong brazing in such a small space.

[@MichaelRochelle-x1x]

Takes about 3 minutes to pull and reinstall that blower housing to access the other side.

[@tedhicks5431]

Pain. Sometimes the nitrogen does blow at joint you got it . Not crazy bout that style of unit carrier a pain also.

[@brnmcc01]

Don't need nitrogen unless its a big system with tons of braze joints. Filter drier will catch any flakes. POE oil makes for a great detergent so system is self cleaning :D

[@curtisendicott5989]

We always brought it down to 50 microns

[@alabamahvacprofessional2946]

Curtis, not here to talk bad about you at all. Just wondering why your flame is set that way? I have been in the industry for 40 years.

[@HVACGUY]

I guess that I like a tight blue flame. Or maybe it’s the tip. I do use a tip cleaner on it. But, it works great like that and is my preferred tip

[@dogdiggingrj2089]

Think it would been easier to cut coil loose below joints pull coil out and then pull the rest of pipe off

[@marcio9242]

can anyone help me with figuring out how you know if a customer needa a new evaporator coil?

[@Austin23191]

Do a leak search

[@brnmcc01]

Look for the tell tale greasy compressor oil residue in the drain pan sometimes is a dead giveaway. Otherwise, do a leak search but do a visual check for anything oily. 9/10 that's where a leak is, there'll be a greasy spot.

[@derekcattoi3326]

Why use oxyacetylene i just use acetylene torch with a much finer tip heats up quick

[@williamreick2669]

Why wouldn’t you just cut the pipe on the vertical instead of working that old braze joint?

[@HVACGUY]

My equalizer tube connected in between. In retrospect coulda made an effort to make that happen.

[@biblebloopers946]

Hello, Im Jeff and i am an HVAC GUY addict. I need help

[@jamesmincey2350]

Would have been a whole lot easier to take the condenser coil off and open it all the way up. Work smarter not harder!!

[@tomasso883]

You should of cut some of those copper lines then you could have pulled straight down.

[@jimfeagins9424]

Dead mouse - EEEK. lol

[@Ricky32908]

Bro, the amount of burnt fiberglass you left is going to make that house smell like burnt fiberglass for the rest of that units life. I would’ve at least replaced it with duct board and some metal tape

[@gingyberrie]

also- i forgot to add in my original comment… i’m from the future, things have gotten much much MUCH worse for trane and american standard .. these used to be my go to unit when giving quotes…. no more .. words cannot describe my disappointment and truly disgust what these units have become .. horrible .

[@cliffjohnson2273]

Junk that should not have failed for 50 years. Bad engineering, and over priced.

[@johnmoncrief9209]

low loss

[@scottmaz4063]

Great job