Are you afraid to work on R-290? If you are you really don't have anything to worry about, just follow the proper practices.
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HVACR VIDEOS
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MIRA LOMA, CA. 91752
Done.
The only issue I see with it is that R290 don't smell because it lacks mercaptan, something that's added to the fuel variant of propane.
If you worry about R-290 then you should also worry about your phone, hair spray and cooking oil too.
Quite a few local HVAC don't want the liability issues. Ordinary refrigerants only.
The EPA is not a law making body either as WV taught them. Congress only.
Great Video. Thank you for sharing Service area Orleans??
On the contrary. I’d like to see more applications. Especially vehicles. We already have high pressure fuel under the hood why can’t we use r290 instead of the overpriced r1234yf ?
Do you have the part number for the low pressure switch?
I ordered one from Delfield and received a Danfoss adjustable one with conversion instructions.
I found this to be odd for a R290 prep line.
Its propane, not acetalyne. Its the same stuff used in BBQ or camp stove, or cooking, but in smaller quantities.
Great info. again. Thank you, Chris.
How do you resist the urge to speak to customers in a Hank Hill voice saying "I sell r290 and r290 accessories"?
Non professional here.
1) A propane gas can for camping stoves have easily 220+ grams of propane in it, so I feel the fear is way out of scope
2) there are fire extinguishers that use SodaStream CO2 bottles. They are awesome and cheap to refill. As an alternative to the towel, not an alternative to a real extinguisher.
Thank you Chris for the valuable information as always.. I have been apprehensive of working on r290 equipment..not scared..😂. Only because of the lack of the tools really necessary when working with r20 at my job unfortunately.. Time for changes my man
It’s like going back to our junior days in the trade, we’re scared to work on something new. I use to be scared, and I’m not now. However I’ve heard of cases of these coolers catching small fires lol. Its funny, but eventually that’ll be the reason things rollback imo Service area Barrhaven??
is there not a risk of flooding the closet you are in with nitrogen, possibly leading to asphyxiation?
Here we connect a long hose from the service port and run it to a window for vent hydrocarbons. Propane & isobutane.
Hi, mechanical engineer here, dealing with HVACR. Propane (R290) and Isobutane (R600a) reclaiming machines are not currently available, partly because it isn't mandated by laws and regulations. They have smaller GWP than most HFCs and HFOs ( if not all ) and no ozone depletion potential.
I’m not scared of it just a little bit more time consuming however the company I work for seems like they give me all the r290 follow ups and jobs that have to do with sealed systems repair. Are you in Orleans ?
Could you just burn of the R290, like with a little torch or burner?
Deleting any danger of having an unwanted ignition
Have you ever accidentally set off the smoke detectors while braising in those closed spaces?
How do you feel about triple evac?
I like propane systems. I've built my own for well over a decade because over systems are a bitch. I can literally use a basic transfer pump for propane with proper valves and accumulators AKA propane cylinders to build an extremely efficient system.
Coldest I can keep things is about -25
I'm on the back 9, I get tired of all the new crap, but it is what it is.
Bring back ammonia systems, it's a chiller. 🤣🤣😂🍺🇺🇲🇺🇲 Service area Kanata??
Delfield put out a service bulletin a few months ago saying to no longer use that leak detector and use nitro and 134 as trace gas with your go to detector.
I’m a little terrified my crimp tool will fail when Im doing the final brazing on that hi side. 😂 Service area Nepean??
My ex coworker recovered 290 with a recovery machine… nothing bad happened besides me yelling at him
Awesome video I was on a job where atech told another teacher to shut the breaker off and he said yes and the tech didn't double check and git hit by 460volts burned his arm from one side to the other he was in bad shape it was horrible
Not afraid to work on it. Buuuut dislike working on cooks drawers or prep tables. That one looks nice and accessible though. I replaced an evap coil on a true cooks drawer this week wow what a nightmare. Learn lots from your videos Chris keep the good coming!
I use a dremal to cut out drier and then torch the joints off that me.of course use nitrogen also.
I get fires working on 404a, oil vapor will combust and catch burn the 404, even with nitrogen
For those unaware, R290 is extremely pure propane.
Definitely not afraid of working on r290 but don't like working on r290 systems. My boss won't let me leave taps on anything running a hydrocarbon😑
Have you ever attempted to thread a 134a 12-ounce refrigerant can on that Atlas high precision scale?
I service r290 units since when can you leave access ports on them. I’ve always been told you can’t do that
Wetrag!!!!!
If your not putting a full can of r290 in each unit are you even a refer guy?
That Henny Penny error sounds haunts my dreams.
I remember messing with my apprentice when he was pulling a vacuum….i kept hitting the compressor with my rubber mallet….he kept noticing his microns going up after going down……i kept quiet for awhile…he started to panic and didn't know what was going on…i finally showed him what i did….he was a little pissed….but started to laugh at it, after 5 minutes or so. He actually thanked me at the end for showing him that vapor, atmosphere can sit in the compressor oil/ the system and boil off/ be trapped.
Been wanting to work on them but there's only a handful down here and we don't service them yet Are you in Ottawa ?
Why would you cut the service port off?
Not scary at all one just must work under the rigth conditions and be careful Are you in Barrhaven ?
Agitate the compressor and see all the kitchen debris fall out of the unit… barfing
My biggest fear is not being able to fix the problem.
Thanks Chris for another informative and interesting video. Common sense and to-the-point commentary.
Worked with it many times. Ultra low freezers use it regularly to keep the oil fluid.
Just something to add, you said pulling a vacuum to below 500 then 200, absolutely do not pull below 250 microns because POE oil starts to gas off at 250 microns which is obviously bad.