Search:

Type: Posts; User: drsuperheat

Page 1 of 2 1 2

Search: Search took 0.00 seconds.

  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...
  4. Replies
    6
    Views
    2,899

    That sounds like what I'm looking for. Thanks Jay

    That sounds like what I'm looking for. Thanks Jay
  5. Replies
    6
    Views
    2,899

    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...
  6. Replies
    6
    Views
    2,899

    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...
  7. Replies
    9
    Views
    2,646

    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...
  8. Replies
    9
    Views
    2,646

    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
    Views
    8,251

    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
    Views
    8,251

    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
    8,251

    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
    8,251

    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...
  13. Replies
    16
    Views
    1,734

    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...
  14. Replies
    8
    Views
    2,348

    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...
  15. Replies
    8
    Views
    2,348

    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...
  16. Replies
    8
    Views
    2,348

    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...
  20. Replies
    5
    Views
    832

    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...
  21. Replies
    10
    Views
    1,578

    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...
  22. Replies
    4
    Views
    1,829

    I think you mean Metrex

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

    by drsuperheat
    Replies
    11
    Views
    1,368

    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
    1,368

    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. Replies
    9
    Views
    1,052

    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.
  26. Replies
    9
    Views
    1,052

    I guess I put this in the wrong place

    I put this in the tips and tricks section and voila it ended up here, oh well, I finally found it. Craftsman doesn't make any tools, they are just private labeled made by Porter Cable, Bosch,...
  27. Replies
    16
    Views
    1,913

    If you are trying to pump into a Schrader fitting...

    If you are trying to pump into a Schrader fitting with a core in it and you don't have a core depressor installed in the hose you can stand on that handle and it won't go. Quarter sight glass isn't...
  28. Replies
    12
    Views
    12,258

    Is this something they sell or giveaway? Knowing...

    Is this something they sell or giveaway? Knowing our local Carrier distributor it would probably be about $25.
  29. Replies
    0
    Views
    691

    Has anyone used the Craftsman Twincutter. For...

    Has anyone used the Craftsman Twincutter. For those who haven't seen it, it looks like a right angle grinder with two 6-1/8" blades that rotate in opposite directions. It is supposed to give burr...
  30. Replies
    9
    Views
    1,052

    I get all kinds of junk mail from Sears/Craftsman...

    I get all kinds of junk mail from Sears/Craftsman and one interesting thing I see is their Twincutter. For those that don't know it looks like a right angle grinder with two 6-1/8" blades that rotate...
  31. Thread: work ILL.

    by drsuperheat
    Replies
    3
    Views
    822

    2hot, I'm probably over qualified as a helper but...

    2hot, I'm probably over qualified as a helper but I wouldn't mind talking to you if you might condsider something more than a helper. Please e-mail me at the address below if you are interested in...
  32. Replies
    194
    Views
    21,046

    If you don't know what superheat and subcooling...

    If you don't know what superheat and subcooling are, let alone how to measure them.

    If somehow every system you work on "just needs a little charge".

    If you leave a trail of jumper wires on...
  33. Replies
    5
    Views
    1,075

    Keep an eye on the freeze point

    I agree about keeping it and having the inhibitor package analyzed and maintained. Many guys think glycol is maintenance free and end up with some corrosive stuff in a few years. Another problem I...
  34. Replies
    10
    Views
    1,888

    Unless you have hot gas on the systems I would...

    Unless you have hot gas on the systems I would expect to see low suction if the dryer is restricted.
  35. Replies
    7
    Views
    946

    Stop me if you already know this

    It sounds like your going to have a lot of copper piping, what kind of evaporator are you connecting it to? If you have a large amount of copper coupled to a chiller barrel made from carbon steel you...
  36. Replies
    5
    Views
    1,392

    It could be one of two things not listed. First,...

    It could be one of two things not listed. First, the low delta T is the result of the condenser being dirty, thus causing poor transfer of heat to the condenser water and raising the head pressure....
  37. Replies
    13
    Views
    1,438

    A while back someone posted a thread on low...

    A while back someone posted a thread on low prices on infrared thermometers and I bought one at a great price. I'm wondering if anyone has a source for Fluke stuff at low prices. Grainger isn't too...
  38. Replies
    54
    Views
    7,576

    Double the hours

    In a case like this I would take my best guess at a reasonable number of hours and double it. What I have seen in the past is that if a compressor runs wet for more than a few minutes it will die...
  39. Replies
    0
    Views
    738

    I've been at the same place for a long time now...

    I've been at the same place for a long time now and I want to see what opportunities are out there. I can't be too specific about my qualifications because other people where I work read this and...
  40. Replies
    54
    Views
    7,576

    Before you start, your boss should be telling the...

    Before you start, your boss should be telling the customer that by the time all of the parts are purchased and the labor is tallied you will be very close to the price of a new package.

    If you...
  41. Replies
    12
    Views
    1,077

    The Turbocor compressors have been out for a...

    The Turbocor compressors have been out for a while and don't use oil. I haven't heard any complaints about components not working properly due to a lack of oil in their systems. I'm confident...
  42. Replies
    14
    Views
    2,618

    According my Harris handbook it should be...

    According my Harris handbook it should be Stay-Silv 15% and and Stay-Silv white flux. I made the mistake of using 45% on copper lines into bronze valve years ago and it didn't work. I had to take it...
  43. Thread: XDX

    by drsuperheat
    Replies
    66
    Views
    8,484

    It is snake oil

    I can't say how, but I have intimate knowledge of the XDX. Look inside of one, you'll see that it is just a long radius elbow going into a tee with a capped nipple at one end and the outlet at the...
  44. Replies
    6
    Views
    2,047

    Did someone add leak checking dye to the oil?...

    Did someone add leak checking dye to the oil? That will make the compressor sight glass look like there is mud in the oil. This can carry over to the liquid line if your compressor is pushing oil. It...
  45. Replies
    46
    Views
    6,681

    You're just mad because you lost your job with...

    You're just mad because you lost your job with the Florida Chamber of Commerce. Maybe you can get a part time gig with Welcome Wagon. Roger
Results 1 to 45 of 65
Page 1 of 2 1 2
Comfortech Show Promo Image

Related Forums

Plumbing Talks | Contractor Magazine
Forums | Electrical Construction & Maintenance (EC&M) Magazine
Comfortech365 Virtual Event