Just wondering, for those that have one, which brand and model of recovery machine are you using?
Yeah, I seen the model but wondering there are others that list its use with a wide range of refrigerants. I'm thinking about getting at least the EPA 608 Type 1 for small appliances. The MC only lists R-134A use.
A recovery machine and a reclaim machine are 2 different things. If you're trying to reuse refrigerant, then you'll need a reclaimation machine. To recover, there are many choices out there. Check out the choices on this site.
Reclaim type machines clean the refrigerant better. They do a much better job filtering.
Are you talking about something like this? That unit basically appears to have an oil separator in addition to a filter. What else is there to do to properly "cleanse" the refrigerant?
(edited to fix link)
Edited: Tue August 27, 2013 at 12:27 AM by webbch
So it sounds like you never reuse the refrigerant on the same vehicle although it is allowed under EPA rules? So you must have about the same amount of virgin refrigerant as used? How often must you get tanks reclaimed?
Anyone can buy a 25/30lb tank of R134A. The same goes for a recovery machine and a scale to weigh it. So lets say that you are going to install virgin R134A but what does one do with the recovered refrigerant? What do you do with it and how often?
This post is applicable to United States audience.
Shops that provide service to refrigerant containing portions of AC service must have a recovery equipment. (http://www.epa.gov/ozone/title6/609/justfax.html)
If they do not have it, contracting out refrigerant service is permitted (http://www.epa.gov/ozone/title6/609/subsumm.html)
Personnel who service systems for consideration must have a 609 certificate. (http://www.epa.gov/ozone/title6/609/technicians/609certs.html)
The general idea is no different from handling any other fluid. You must not intentionally let it out into the environment.
You can piggy bank recovered refrigerant until your recovery tank is full. Make friends with a local AC shop who has a recycling machine and an identifier. I wouldn't bother with corporate shops as they probably have strict corporate procurement and purchasing policies. The recovery tank must be current on pressure test or else it is unlawful to transport it.
A 30 lb tank of virgin R134a can be had for $100-200 depending on quantity. Given that it takes time, effort and toll on equipment moisture filter, you probably can't count on getting paid for it. The relatively low cost of new refrigerant is also a barrier to buying a recycling capable machine, so they're most likely to be used by AC specialty shops as well as quick lube type places that turn a high volume. If its really close to your place of business and you do only a few a months, just drive it there or make arrangements for on-site service. Think about the overall cost. Paying someone to perform infrequent procedure that is part of your core business makes more business sense than spending money to equip your shop to do everything in-house.
Do you pay rent for your shop? Does it make sense to have a bunch of infrequently used large equipment tying up space? You'd have to budget a small fridge ish space for a full fledged AC machine.
So, if pulling refrigerant is only auxiliary to what you normally perform and only pull refrigerant in order to perform other services, AC shops don't see you as a competition threat.
Ability to purchase has nothing to do with this. Anyone can go to the store and buy beer. This doesn't meant that a restauranteur can go to Costco to get beer and serve it in their restaurant without a liquor license.
If you're getting paid for work(EPA uses the term "consideration", to avoid technical skirting like..we aren't getting paid, we barter,etc) , even topping off an AC system using DIY kit in your shop means that the technician doing so must have a 609 license just as reselling cases of beer you buy from Costco in your mini mart requires alcohol license.
609 certification only requires the tech to pass a test and fee of $20-25, so buying a suitcase sized (as opposed to refrigerator sized) recovery only machine and a recovery cylinder and a vacuum pump and using only virgin R134a is a good compromise that allows you to work on A/C system while remaining legal.
Edited: Tue August 27, 2013 at 1:04 AM by Leggie
Thanks for the detailed info.
In the instructions for the Mastercool 69500 RecoveryMate a vacuum pump is used during use. In this Old Thread here, it's stated that the Mastercool 69100 is all one needs. Have thoughts changed since then? Why not use a vacuum pump in the circuit on the 69100 as shown with the 69500 with a Tee fitting and ball valve for isolating the vacuum pump?
You need to evacuate the machine and the new cylinder before using the first time, so as not to have air in the recovered refrigerant. After the air is out, you can close the valves to isolate the machine when it is not in use and use it again without evacuating.
Anyone that has a 69000 or 69100, what's the size of the red/blue port hose fittings? Are they standard 1/4" flare or 5/16" flare sometimes called a 1/2" Acme?
5/16 flare is not the same as 1/2 acme. 5/16 flare is very rarely used-- some makers of R-410a stationary equipment used them in an attempt to "idiot proof" against servicing with R-22. Every idiot has a big box of adapters though.
Standard 1/4" male flare on the 69000 outlets, so hoses are standard 1/4" female flare.
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