THANKS i am retired but always love to learn new thing ,,,and this is good ,,,,thanks for sharing ,,,,god bless

Excellent video...I'm a former instructor, soon to be one again and I will use this as a teaching tool...My thanks to the gent that made it.

@eanirwin

4 жыл бұрын

Vern Roach please don’t, if you think this is correct I would urge you to do some research

@thomaswilson9254

4 жыл бұрын

Don't use this to teach anyone

Great video and I love your sense of humor. You would be fun fun to work with!

Good job on the video, I learned a little more. I'll be watching several more before starting to make a move but I appreciate your information. I will probably convert to 407C and get a new compressor.

@NathansHVAC

6 жыл бұрын

Clint Hightower surpluscityliquidators.com

@philindeblanc

5 жыл бұрын

@@NathansHVAC Didnt find any coils there, let alone a horizontal 5ton r22

I have never seen a scroll compressor without POE as the factory oil . Learn something new every day.

@NathansHVAC

4 жыл бұрын

Good point.

@aaronclark1599

10 ай бұрын

Most Copeland I've seen have mineral

An excellent and most informative video...It answers a lot of questions about what is the best R22 replacement and the best way of doing it....My thanks to the gent that made this film.

I love this guy's sense of humor, most of the guys doing these videos are boring!

I have never taken out the 22. I just dropped the replacement refrigerant right in on top of it. The pressures are practically the same. It works good no problem and it saves you and the customer a lot of time and money.

"You have to be highly trained to do this, takes years of experience" lmao love it. Your my new favorite

@jimmydean8007

2 жыл бұрын

He could barely contain himself when he was saying it. Love it...

I switched to rs-44b myself and it has been working great for me.

@fckthemedia1649

2 жыл бұрын

Did you have to change oil and compressor and filter drier on that one or what?

@hvachelper4157

3 ай бұрын

@@fckthemedia1649everytime you open a system to atmospheric pressure you change the line drier. ALWAYS. But no RS-44B can work with either oils

Thanks for sharing your knowledge, Very informative... Watching from Philippines 🇵🇭

thank you sir for this expository. i have been searching for a definitive answer for the best drop in and it seems no one wanted to commit to saying what is the best. here, you have laid it on the line for me. i am not an hvac tech nor a diy'er but merely wanted to know so i could talk intelligently to a service man should my unit need attention. again thank you........g

@Titus357

3 жыл бұрын

Just don't yet know about wear and tear with such swaps. For the money, say around $450, might be worth a try.

@stevenb9913

Жыл бұрын

R458. No oil to change and it works great

Thank you. Outstanding video.

Yeah buddy. Good video.

Very good video...more power to you!!

Great video sir keep them coming 🙌🏻🙌🏻🙌🏻

Really thorough great job

great video. very consise

great video, this is what I want to know!

Lots of good info here. Thanks for the video.

Awesome job thank you so much

Wow ! I would ask you one more question, but that would qualify me as an A*^& E. The best to you and your Family. Ted.

Thank you

I've used r422b with great success! AC and reach in freezer box. No modifications! Negligible loss.

@alicepet1994

4 жыл бұрын

R407C is the closest replacement for R22, and is cheaper than R422B. You use R422B is because of no oil change required? Here is the video about comparison of different replacement refrigerants. kzread.info/dash/bejne/oKStu9iNYr2Xp7g.html

@IFIXCASTLES

4 жыл бұрын

@@alicepet1994 the guys around here have settled on r422b. One refrigerant to carry that works great. This coming from a trusted United Refrigeration manager.

@coldonehernandez4906

10 ай бұрын

R422 b works great, it’s just more expensive than 407

Great video ! What is the operating pressure of 407 ? Around 75 ?

R-407C is a mixture of hydrofluorocarbons used as a refrigerant. It is a zeotropic blend of difluoromethane (R-32), pentafluoroethane (R-125), and 1,1,1,2-tetrafluoroethane (R-134a). Difluoromethane serves to provide the heat capacity, pentafluoroethane decreases flammability, tetrafluoroethane reduces pressure.[1] R-407C cylinders are colored burnt orange. en.wikipedia.org/wiki/R-407C

@scarpenter218

Жыл бұрын

look up the emissions from water treatment plants. the amount of chlorine. and dig deep because ya know, propaganda these days…

Damn I wish you were my ac guy!

good job,

Nice teaching video

Pretty much the procedure we follow. Most of the time we actually flush the system to remove most of the mineral oil that’s remaining. In Australia this can sometimes be more expensive than charging with r22 though depending on who manufactured the compressor, Copeland scrolls are fine to have a bit of mineral oil but with a maneurop the suggested thing is to remove as much oil as possible and if you can, change the oil twice. With certain compressors the cost is actually cheaper to use r22 because POE is quite expensive. Obviously over time if it’s in bad shape and you know it’ll leak again soon just do the oil change because 407c is definitely a lot cheaper

@damonjenkins2185

3 жыл бұрын

P.s. it sometimes also depends on the customer we have one particular customer who doesn’t want to change from r22 due to the capacity drop and that leading to their switchrooms overheating (no redundant cooling)

@NathansHVAC

3 жыл бұрын

The manufacturers specify the high purity I think just to cover their asses. Oil blends are used all the time in the automotive industry. Also 407c should have the exact same capacity as R22.

@damonjenkins2185

3 жыл бұрын

@@NathansHVAC in Australia it’s annoying because to be legally compliant we have to do retrofits according to manufacturer instruction, even if the manufacturers only specify it to cover their asses. And with the capacity thing it should be the same capacity but in practice it isn’t always and I’m not sure why. It’s definitely not as much capacity drop as mo99 but it’s still measurable on larger systems and tends to trip head pressure on those 45+ degree days (about 115 Fahrenheit). The main customer of ours who still wants to use r22 is a certain power company, perhaps they have more dollars than sense but their infrastructure is very critical so I’m not going to argue with them

Could you not short cycle the compressor opening your manifold and have it pump the mineral oil out after removing any R22 ?? Then pull a vacume, install via the vacume the synthetic oil, then pull a vacume a second time before dumping in the 407C ??

Which camera do you use for video shoots?

Good video

I was just thinking to my self, id suck to sneeze at about 4:20 or so, haha

@NathansHVAC

5 жыл бұрын

I do try not to sweat in the pipes. However, evacuation would clean it up.

I love AC guys like this...I get to come behind them and sell the homeowner a nice new system and earn their business for life at a legitimate AC company. Keep up the "good" work. Cheap fixes are expensive fixes.

@thetman2301

5 жыл бұрын

drewdavis08 what was wrong with this?

@NathansHVAC

4 жыл бұрын

You have to good point. I reached a point in my life where I can fix everything. That means I have a house full of junk.

@bojarski76

2 жыл бұрын

Legitimate = sell you a new system no matter what is wrong!

@jgoodman75

2 жыл бұрын

You sell a 10k system when you only really need a $400 fix.

hello there, let me see if i understood about change the refrigerant r22 to r407c. for an a/c by expansion byt capillary tube or expansion valve only is necessary change the oil of the system and dryer filter from line of liquid? or exist other dispositive for change it? greatings from Perú.

question for you. i have someone replacing my outside unit compressor. understably, the 407c is the best compatible replacement for the r22. long term use of the r407c will cost me less money in the future if i need more refill.i was told that i should keep the r22 since the upstairs unit works harder than the downstairs unit. any thoughts......

How much would this process cost? Where are you located? and are there any AC Techs that can do this in Charlotte, NC?

I have a customer that bought 20 rental units almost every unit had no filter and impacted coils most were low on charge. Now I’m not disagreeing with you but I told him I would have to pull and clean all the coils fix leaks and convert all that were low to 407-c or replace the systems he had just bought the two buildings and was low on cash he said he just needed to get by for 6 months and he could only afford to spend 500 per unit at the time so I pulled the coils fixed the leaks pulled vacuums and charged the systems no oil change I told him without oil changes they would not last three months ( that was almost two years ago) I’m not saying it’s not a good idea to change the oil but I am saying that two years later 17 of the 20 are still running and the 3 I had to change failed because the condenser coils lost all ability to transfer heat due to corrosion not compressor failure so to all that say it’s not possible to not change the oil and last I guess I should not believe my lying eyes right! Again I’m not saying the manufacturers are wrong but that’s not really a small test sample either take it for what it’s worth 20 for 20? Now talk all the trash you want ps that’s not the only time I’ve done it with the same results

@ancientpersianempire

4 жыл бұрын

alot of guys at my local shops are saying the same thing. just drop it in and no problems

@tomoliver8498

2 жыл бұрын

As long as you have enough velocity (which r 22 systems have) and the compressor is not installed too far above the evaporator coil oil return should not be a problem. A few squirts of POE wouldn't hurt either.

good little video. I don't have a lot of experience with 407 I've used drop in this for 22 with how expensive 22 has gotten period but I'm going to have to start checking into the 407C if it's about the same price as 410A

I've been adding straight 407C to R22 units for the past 4 years and no call backs. Systems are running great.

@Clamjammer

5 жыл бұрын

How are the pressures?similar?

@refugiorod

5 жыл бұрын

@@Clamjammer very similar. Only thing different is that you turn the can upside down with the 407c. I add it very slowly.

@UltraHydrophobiccoat

4 жыл бұрын

refugiorod Add 20% POE on the top of mineral oil? Or 100% change out for POE just like he did in this video?

@ztf195

2 жыл бұрын

I am with the EPA and would like to visit with you. What is a good number for you? Message me.

Quick Question: Do you or do you NOT need to install a THX valve doing a 407C switch on a R-22 compressor. The 410a uses it, but R22 did not.

@staylifted_1232

3 жыл бұрын

Nope, txv will keep superheat constant depending on temp. The txv should be able to compensate for the slight pressure difference of 407c compared to r22

You are an honest ac man , most ac men just change the whole system to 410 a for more money, thank you .

@jeffslemons8338

5 жыл бұрын

One this guy he didn't use nitrogen to leak check better yet a trace of nitrogen while brazing to keep coke from forming

@refugiorod

5 жыл бұрын

410A is the smarter way.

I do pretty much the same thing but I use a syringe and flexible plastic tube and remove the oil through the process tube and replace what I took out.I understand why you sweated that Compressor out .I am retired but you should do a video using the process tube.good video.

@NathansHVAC

7 жыл бұрын

Thanks for the pointer.

@larrycox2262

7 жыл бұрын

many compressors don't have process tubes ,but if it has it use it.great video.Everyone better be ready after 2020.There will be lots of work for everyone.Just seems to me they should have made the refrigerant safe for Mineral and synthetic,

@NathansHVAC

7 жыл бұрын

Actually, 2019 is zero production of new R22 refrigerant.

I like you video. I got you ! thank you

When I was a helper the tech bought this canister so it can convert instead of doing it this way.

Is r421a better than R407c? Thank you for your video.

Do you change the piston metering device?

yeah but tell me please how many oz need it the compressor of the new oil to R-407, thanks

thank very moch good video

I use R438a (M099) and no oil change. No failures in 5+ years.

@stevero2581

5 жыл бұрын

Same here. I just change the driver. No problems. About 8 peices of equipment in the last 4 or 5 years.

@stevero2581

5 жыл бұрын

Drier

@chrisduhaime5689

4 жыл бұрын

Propane is scary

Молодец! Хорошо справился с кондиционером и всё толково объяснил! с маслом не сильно ясно только...

What was the small gauge you had connected to the pressure line , and what for ?

@peterdarlington4117

4 жыл бұрын

Sho Bud It’s a digital micron gauge your manifold gauges can show you a vacuum but what you really want is to pull a 500 micron vacuum that holds to ensure the system is free of air and moisture and leaks

How much is the R22 per KG over there? In Kenya it’s only $5 per kg so we still use new R22 systems.

Curious about you mention to also just add the oil and overfill since none is pulled? So, minimum 20% POE of compressor-stated oil capacity of POE just added and leave it?

@NathansHVAC

7 жыл бұрын

Tie Dye yes. Just add enough poe oil to return the mineral oil and you are good to go.

could've used an oil pump hooks up to a gauge hose minimum of 5 strokes 2 to 3 for the least saves time . awesome video ,earned a new sub .

@Bryan-Hensley

6 жыл бұрын

Locutz M you can't pull the oil out of the compressor through the lines.

@locutz

Жыл бұрын

@@Bryan-Hensley yes you can with nitrogen blow it out into a catch can then flush the system out and recharge the oil with the same oil pump .

Disconnect suction and discharge line, clean the piping system with high pressure using nitrogen gas, fill the compressor with recommend r407c oil ,put the compressor back and then recharge with r407c

when retrofitting,should I change the filter dryer to the same I have or get a different brand and quality?

@NathansHVAC

7 жыл бұрын

Changing the filter dryer is always a good idea if you are taking the pressure out of the system anyway. The main thing is having 20% or more POE oil to return the R407c refrigerant.

NU22 just drops right in to replace R22. No fuss, no muss--ya cheeky bastards.

@Dan-ger82

3 жыл бұрын

I used to use M099 as a drop in and never had a problem, was made by Dupont and not National so United didnt sell it.

in Indonesia r407c is widely used for water cooling machines and also air dryers, the compressor machine used is a scroll type, the question is whether r407c can be used in rotary compressors?

I was just told my ac was leaking...some dye would have to be put in to find it and would get very expensive. Also it uses r22, which can't be used anymore, so only possibility is a new ac unit.

Nathan, when you did this did you have the king valves closed? So when you broke the vacuum you broke it by adding the factory charge then cracked the king valves? Thanks

@wickedslayer9250

2 жыл бұрын

Didn’t watch it. But if he did he is an idiot

Great video, I learned a lot. My 1.5 ton R22 unit iced up so was not blowing very cold or very hard. I turned off the system for about an hour and then ran the fan only for about another hour to defrost it. The filter is clean and no vents are blocked. All the icing was gone and the AC was blowing again although not blowing very cold. I know it will ice up if the Freon is low. The service tech came out and said it was low and put in 2lbs of 407C. My question, how many pounds does a 1.5 ton unit hold and would only down 2 pounds cause my system to become frozen? Hope I explained it correctly. Thanks so much.

@TheRabocse69

2 жыл бұрын

Yes, a 1.5 ton need between 3.5 to 5 pounds... depending the brand... and yes, with 2 pounds less, any unit get frozen; because the pressure goes low and reaches lower temperature...

@chancerosado733

2 жыл бұрын

Haha topped of the 22 with 407c . I like it . Poor compressor

@coldonehernandez4906

10 ай бұрын

One pound low will do it my friend

hlo sir I'm your new subscriber 👋

can i buy a 410a condensing unit and drain the compressor use poly ester and charge with 407 ? air handler looks almost new but system is 20 years old

Great video. Crazy how times change, 407C is $600 a jug now 😂

@NathansHVAC

Жыл бұрын

Just wait till 2024 when R410a is banned. It's going to be nuts.

@coldonehernandez4906

10 ай бұрын

It’s time for retirement or fine another line of work 😂

How much per pound do you charge for R407c?

Bnas noches cuales son las presiones de trabajo del r407c y su sobrecalentamiento gracias

It is necessary to change the oil when you change freon R22 to 407 and why charging liquid gas directly to low side its not gonna burn the compressor when you that? Please reply me anyone can explain well? Thank you

It is also recommended to change o-rings and schraders.

@NathansHVAC

7 жыл бұрын

Yes. Technically, the butyl rubber absorbs CFC and HFC at different rates. So, the rubber swells or shrinks depending on what was done. Personally, I can't see caps going bad. I would have changed the cores, but the yahoo before me over tightened the hard flare caps and made it too difficult to pull the cores.

@MrDeviousdom

5 жыл бұрын

No, it is necessary to replace anything with a seal!

Bravo.

Should I use POE 32 or 68? I see people on KZread using 32. I got local Johnstone telling me 68. Please let me know! Thank you!

thnx

Do you have idea in oil replacement in bristol H23A383ABCA thanks Reply

Just wondering about the POE oil being very hydroscopic? And also don't you need the bubble and dew points for superheat and subcooling with 407c? Just wondering.

@NathansHVAC

6 жыл бұрын

hector6970 a filter dryer will dry the oil out. One quart doesn't hold much water. Maybe just a drop. Temperature glide is already built into most pressure temperature tables.

@hector6970

6 жыл бұрын

Cool thank you

How much time did you allow between adding new oil and starting compressor?

@NathansHVAC

7 жыл бұрын

Chackbay Polarmatic no time. just evacuate and charge with 407c.

Wich one butter 407 or r22 for cooling?

Can i use r438a in a copeland scroll?

Nice video bud. Good job It will be interesting to see in the next few years how many "converted systems" fail early because of people not changing the oil.

@NathansHVAC

7 жыл бұрын

There is no guessing about converting to R407c. All the major compressor manufacturers certify R407c as the R22 replacement. The engineers already did the longevity testing. Actually, R407c was almost considered as the long term refrigerant replacement instead of R410a. Tecumseh certifies it: certifiedrefrigerant.com/tecumsehguidelines%20for%20utilization%20of%20r407c.pdf Copeland certifies it: www.certifiedrefrigerant.com/copeland_r22_r407c_retrofit_guidelines.pdf Bristol certifies it: www.certifiedrefrigerant.com/bristol_r22_r407c_retrofit_guidelines.pdf I was concerned about mixing POE and mineral oil. However, I mixed them 50/50 in a test tube without any noticeable separation even after 1 month. I also confirmed with my chemist contact at National Refrigerants that mixing the oils is fine. I made another video showing why R407c is the best R22 substitute based on EPA testing. I don’t over think things. I let the engineers do the research. They are much more knowledgeable. I confirmed that 20% POE is good in a simple residential application. Residential oil return is much easier than low temperature refrigeration or commercial with very long vertical line lengths. It doesn’t take much to return the oil.

@NathansHVAC

7 жыл бұрын

I don't like any of the drop in R22 replacements. They all use 3% butane to return the oil. The butane does nothing in the refrigeration cycle and probably is why they all lose capacity. Ebay keeps selling "Propane" as the eco friendly R22 replacement. There are obvious explosion hazards with that replacement. It is my opinion that 20% POE oil will return the mineral oil alot better than 3% butane. Also, R407c is the least expensive of all the retrofits. So, it is a no brainer to use R407c when I come across a flat system.

@NathansHVAC

7 жыл бұрын

Rectorseal make a POE oil test. I had a oil refractometer 20 years ago when I did commercial. But, the best test when a bad converted compressor is found will be to turn it over and see if any oil comes out. If the compressor is dry, then no PEO oil was added to the system.

@matthewmckinney5943

7 жыл бұрын

Butane is still a refrigerant, so it contributes to the cycle.

@Bryan-Hensley

6 жыл бұрын

NathansHVAC butane can be used as a refrigerant. Propane is used in other nations as a home and auto refrigerant. It's no more dangerous than having a gas furnace.

Hay que cotizar los trabajos adecuados al servicio que se realizará al equipo.

Question Is it cheaper to retro fit an old ac unit. Verses buying a new unit. Since they don't make r22 anymore?

@NathansHVAC

5 жыл бұрын

My cutoff is 15 years. If it is older than that, it isn't worth putting a lot of money into it.

1) do you put same amount of 407c in weight as you would have had R22? 2) is it my understanding that changing the oil in the compressor to POE is enough for this conversion? did not quite understand what you meant by bringing it back. the oil in the lines? or for circulation. 3) my understanding is that the later R22 units they were already putting in POE vs mineral oil how can I find out which oil is in the system? Is there a test for POE oil? I can't find any info on the label it is a York unit. Thanks

@NathansHVAC

3 жыл бұрын

Yes to both. Only 20% or more of the system oil needs to be poe.

Due to the check valve in the scroll compressors they start unloaded and cause a high torque start and the compressor twists every time and work hardens the copper lines producing cracks ; The manufacturers need to make loops in the piping to absorb the compressor torque .

@NathansHVAC

4 жыл бұрын

I ended up repairing that same leaking spot 3 TIMES!!!!!!! I finally made a very large loop in the copper. So far so good. I am glad that R407c is almost as cheap as R410a.

@michelgrenier1878

4 жыл бұрын

@@NathansHVAC Miracles are performed daily by professional HVAC tecks repairing factory screw ups . I think that problem is solved .

I like

Thanks for posting, this is the model of ruud achiever that doesn’t have the red reset button, how do you reset power to the outside unit control board if it’s flashing the low pressure lockout code ? Thanks for posting this video

@NathansHVAC

5 жыл бұрын

The control is powered by the red 24 volt wire from the inside air handler. So it's just kill the power to the inside and I'll reset the control outside.

@traderjiggs

5 жыл бұрын

NathansHVAC bingo ! That worked , thank you. I had looked everywhere for that tip and couldn’t find out the procedure. One last question, in this conversion video you made is it necessary at any point to “pull a vacuum” ? Or is it just about having the old r22 recovered , then opening the system and making sure to keep contaminants from entering. Pouring out old oil, adding a measured Poe oil, a new drier and reassembling, and then recharging ? At any point other than when the r22 is recovered does there need to be a vacuum ? Many thanks CR

@NathansHVAC

5 жыл бұрын

@@traderjiggs Sorry for the late reply. Pulling a vacuum removes air and moisture when a system is depressurized and opened. Some guys that don't have vacuum pumps used to purge the pipes with refrigerant. But the EPA banned that practice starting in 1992.

Cool

Hi... could you tell me if when doing a Freon retro fit from R22 to 407c, do you have to change the TXV on the Evap. to a 407C type.

@NathansHVAC

7 жыл бұрын

No. That is the reason to use 407C. It is the closest match available to R22. The old expansion valve has R22 in the diaphragm. All the other retrofits require adjustment or replacement of the expansion valve. R407C is close enough that no changes are needed other than putting in 20% or more POE oil to return the existing mineral oil in the system.

@AustinAirCo

7 жыл бұрын

I'd like to know where you get this 20% from of POE oil added to R22 system to convert to 407c when Emerson as well as Tecumseh say nothing about this 20% figure. In fact they say that you should have no more than 5% mineral oil in the system and optimum is 1% mineral oil or less. Tecumseh goes on to say that if the model of the compressor doesn't contain a 'C' notation in the model number referencing R407c as acceptable then 407c is not recommended for use in that compressor. I've read things you say about listening to the pros but then when I go and read what you post as reference material that reference material is in contradiction to what you say. # Keeping it real.www.certifiedrefrigerant.com/copeland_r22_r407c_retrofit_guidelines.pdf (split links hopefully this will work.)certifiedrefrigerant.com/tecumsehguidelines%20for%20utilization%20of%20r407c.pdf

@NathansHVAC

7 жыл бұрын

I get that number from a Phd chemical engineer at one of the large refrigerant manufactures. His specialty is compressor oil and refrigerants. I won't name his name or where he works. But, he basically says that 20% POE will work on most residential applications that don't have long vertical rises to the compressor. If you email me, I will forward his exact reply. n a t h a n g w @ a i r m a i l . n e t without the spaces.

@haroenbachnoe559

4 жыл бұрын

Yes must be

Did u have to flush the system out first? ? or just only the oil from the compressor? good video

@NathansHVAC

7 жыл бұрын

Flush is for burn outs. Mixing oil is fine.

@GarzAAA.

5 жыл бұрын

Mixing oils gives you different temperature glides

@jasonray2526

4 жыл бұрын

@@GarzAAA. mixing mineral oil and Poe oil is not compatible together you'll end up replacing that system within next 6 months or less due to will eventually knock that compressor out

Great video thanks! , the only thing stopping me from doing it is, I don't have a vaccuum pump, my question.... is the vaccuum pump something I a must have when recharging the system from 100% empty?

@NathansHVAC

2 жыл бұрын

People used to purge. Buy the epa forbids it now. Plus, purge wont flush out moisture. Get a cheap pump.

@mauroelchico

2 жыл бұрын

@@NathansHVAC thanks for the quick response! In other words I do need to get a vaccuum pump right?

@mauroelchico

2 жыл бұрын

@@NathansHVAC my system is empty so I'll replace the oil as shown in the video, once I've replaced it do I need the vacuum pump in order to add the new 407c ? or can I just hook up the tank and gauges and add the gas?

So when you evacuate the r22 charge it doesn't pull out all the oil in the compressor too? Isn't oil mixed in with charge?

@peterdarlington4117

4 жыл бұрын

Ron's Electrical no the oil is still there but read my comment

Hello, I hope you can give me advise on this Currently, I have R22 3 Ton it stops cooling after 30 minutes. its 11 years old, tech said compressor heats up then stops. So my question is which brands do you recommend and coolant? I have a quote for $4k Guardian 3 ton/14 seer with new evaporator coil 410a. Or American standards 3 Ton/ 14 seer with coil 410A $5800. do you recommend changing the pipes or flushing it should be good enough ? In my city of lodi,ca electric is not expensive last month usage 1184 kwh total $200 that's heavy use, in winter we use 675kwh

@UltraHydrophobiccoat

4 жыл бұрын

Delta Transportation Worldwide check your outside condenser coil. If it is dirty it can cause high pressure and trigger the high pressure switch. I have seen a lot of situations like yours. When the coils are dirty the heat wouldn’t be released. High temperature high pressure. Just clean the coil you will be fine. Some company push their technicians to sell whole unit to get commissions.

SCIENCE!

Thanks for this. My scammer hvac service contract co said there was nothing you could replace R22 with and my old system was junk. Conveniently they have a "special" on replacement systems. 🙄 I'm also glad I did a little research on R22a DIY kits. Shit - that stuff's scary!

@OnceShy_TwiceBitten

Жыл бұрын

can you share more please> I literally had the same D bag. lol

@motorv8N

Жыл бұрын

@@OnceShy_TwiceBitten - haha I totally forgot about this video. I spent a fair bit of time trying to find somebody who would make this transfer and nobody wanted to take it on and I didn’t have time to do DIY. So I’m ashamed to say I folded like a cheap lawn chair and bought a new AC system and furnace. I must say the more modern DC variable speed fan is a huge improvement keeping our house cool. Fight the good fight brother!

How much would that kinda job run ? again I understand that their are a lot of variables that come into play when you give an estimate but i was wondering you could help your viewers with a Idea

@brandonwilley4689

5 жыл бұрын

arabiantxn you’d honestly be halfway to a new condenser and evaporator coil factoring in time and labor, finding a company to even do this would be hard too considering where I’m at in the mid Atlantic I rarely hear of companies using the R22 substitutes to be honest. Most of the time you’d get a residential salesman trying to sell you a 20 seer unit that you don’t need instead of this

@johngibson5846

4 жыл бұрын

Brandon Willey o

R22 Deus Vult 407C

Good video but did you flush the lines with RX11

@NathansHVAC

4 жыл бұрын

Flush is just for burn outs. I have a video on cleaning burn out line sets with non-flamable brake cleaner and a high powered shop vac. Mixing oils is fine. The auto industry mixes all the time.

how much freon (R410 A) does is usually take to bring a 3.5 ton unit from 3 degree of supercool to 10 degree ?

@NathansHVAC

4 жыл бұрын

The name plate says the total charge. The capacity is proportional to the total charge.

Wow..more steps to simply use 407c. My r22 system is flat right now due to leak.

how much oil is in one rotary compressor 24.000 btu sanyo thanks ,,

Old oil looks pretty clean. What's the best POE oil for R407C? Thank you

@NathansHVAC

4 жыл бұрын

It just has to be the POE chemical designed for refrigeration applications. There are a few brands. It is about $50 per gallon last time I checked. But, you can buy quarts.

@alicepet1994

4 жыл бұрын

@@NathansHVAC Thank you for your quick response. I bought one gallon from ebay which costed me around $80