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  1. It is amazing, one "contractor" I hired down...

    It is amazing, one "contractor" I hired down there showed up in a '72 VW Bug w/ the passenger seat removed, that was his service vehicle. I have thrown away better tools than he used. It's a sorry...
  2. Looking for contractor in Queretaro, Mexico

    I do field service for a company that sells cooling equipment to the plastics industry. I can do all of the work, but it's hard getting a vacuum pump, recovery machine and torches into my checked...
  3. You can't use stainless with pool water. More...

    You can't use stainless with pool water. More than 1ppm of free chlorine can lead to stress corrosion cracking (SCC) in stainless steel alloys. I know some people do it and get away with it for a...
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    That sounds like what I'm looking for. Thanks Jay

    That sounds like what I'm looking for. Thanks Jay
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    I've got a Carrier guy that owes me a favor and I...

    I've got a Carrier guy that owes me a favor and I just need to be able to descibe it to him so he can get me one. Is it a slide or wheel chart? Is there a part number on it/them? I don't need the 410...
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    I've seen a chart that Carrier either sells or...

    I've seen a chart that Carrier either sells or gives away mentioned here before. I think it is for charging and/or troubleshooting using subcooling and superheat. If I want to get one how do I...
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    Jvrba: There are a lot of different acids out...

    Jvrba: There are a lot of different acids out there so I'll go with the standard disclaimer and say follow the instructions on the label of whatever acid you buy. At 22 years old I think your...
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    Sometimes acid is the only way to go. But be very...

    Sometimes acid is the only way to go. But be very careful, acid has a way of finding it's way under deposits and into nooks and crannys and it can take a long time to flush out properly. If you are...
  9. Thread: super heat

    by drsuperheat
    Replies
    38
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    7,503

    Maybe Andy can answer the vapor density question...

    Maybe Andy can answer the vapor density question better than I can. I normally run at a 35 SST with the only variable being the superheat, so my vapor density is fairly consistent within that range....
  10. Thread: super heat

    by drsuperheat
    Replies
    38
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    7,503

    No problem DB

    I was just passing along what I've had a chance to observe. Not recommending where anyone set their superheats at.

    It is more fun to work in the real world, but easier to work in the lab.
    ...
  11. Thread: super heat

    by drsuperheat
    Replies
    38
    Views
    7,503

    I don't know if you were adressing your post to...

    I don't know if you were adressing your post to me or not, I assume you were. I urge you to go back and READ my WHOLE post, the first sentence in particular. I was responding to Andy Schoen's post...
  12. Thread: super heat

    by drsuperheat
    Replies
    38
    Views
    7,503

    I'm fortunate to do work in both the field on...

    I'm fortunate to do work in both the field on real systems and in the lab testing. I have a 50 ton package in my lab that I ran with an OVE-70 and a Copleland 8DS1-60. At full load it ran about ~9F...
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    Make sure that the gaskets aren't older than you...

    Make sure that the gaskets aren't older than you are. Once compressed fiber gaskets dry out they are very hard to seal. Soaking them in some system oil might help bring them back to life. A good way...
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    Yes Frog the compressor does unload as the...

    Yes Frog the compressor does unload as the suction pressure goes up. The question is, what seals are leaking, at the solenoids that add or relieve pressure or on the actual slide? There is no...
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    R12: The pressure rises 4 pounds, not degrees....

    R12: The pressure rises 4 pounds, not degrees. The load temperature is very steady as it is a controlled test. I have 3 gauges on the low side, one cheapo and 2 high quality calibrated gauges, not to...
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    I have an old (1991) RXF30 that I use for...

    I have an old (1991) RXF30 that I use for testing. I usually leave it on auto along with the Sporlan electronic XV. Once I get close to my conditions, I control the compressor loading and EXV...
  17. Single phase compressor wiring, real compressors...

    Single phase compressor wiring, real compressors don't need capacitors, current and potential relays or any crap like that. Give me 3 phase any day, preferably across the line start, keep it simple.
  18. How do you seperate the men from the boys?

    In certain parts of the country.........with a crow bar.
  19. Whatta ya talkin about? Ball valves never leak

    I like to break the bolts loose with a wrench or ratchet and then spin them off with a cordless drill with a 1/2" nut driver, run 'em back in too. I guess another option would be one of the new...
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    That camel has his nose under the tent again

    Whose kidding who? The BC guys didn't buy this forum out of their love of the HVAC/R industry. That may be why it was started, but they want to make money here. They want to gather as much marketing...
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    Close the king valve and pump it down to 0, and...

    Close the king valve and pump it down to 0, and then close the suction service valve on the compressor. No reason to go into a vacuum. You may need to open the valve up slightly and jog the...
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    I think you mean Metrex

    http://www.metrex.com
  23. Thread: Tools???

    by drsuperheat
    Replies
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    1,191

    Thanks R12, It's been a couple of years on those...

    Thanks R12, It's been a couple of years on those tools, the new 3 speeds might be better. I still have them but they are just collecting dust. Since the batteries were dead too I went and bought one...
  24. Thread: Tools???

    by drsuperheat
    Replies
    11
    Views
    1,191

    I have 3 Dewalts, 1 18V and 2 14.4V. They are...

    I have 3 Dewalts, 1 18V and 2 14.4V. They are good drills except the chucks all wobble, the front bearing is weak. I took the 18V back and they fixed it under warranty and it didn't last long. The...
  25. Hey Dead: What have you used it on. I am looking...

    Hey Dead: What have you used it on. I am looking mostly at cutting copper with it.
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