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  1. Replies
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    Oil level in a hermetic small ton compressor...

    Oil level in a hermetic small ton compressor should not matter much as long as it is piped correctly. If we were to debate anything about a hermetic system would be the ability to change the oil...
  2. Personally I hate the idea of not saving or...

    Personally I hate the idea of not saving or reusing perfectly good refrigerant. I've seen it so many inept situations that it bothers me. Even if it is dirty you can run it through driers. I once...
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    Driers are by definition "a restriction"; while...

    Driers are by definition "a restriction"; while designed not to be they still are, especially if they have been doing their job. Generally what it found inside of a condensing unit is no more than a...
  4. Apples and Oranges? chose Fahrenheit or Celsius ....

    Apples and Oranges? chose Fahrenheit or Celsius . Apply for pro status.
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    As viewed from the eyes of a pipefitter; if you...

    As viewed from the eyes of a pipefitter; if you had two 1/4" lines (low& high side) one would need a 3/8" line to handle the volume.
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    Well I'm probably 40 years behind the times but...

    Well I'm probably 40 years behind the times but that's the way I prefer to do it.
  7. Replies
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    I doubt that you will have any regrets. I've got...

    I doubt that you will have any regrets.
    I've got a machinist buddy that works in these high tech Universities helping students: understand machining, build projects, make prototypes, ect. I think...
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    As to manufacture, hard to say. That 2cfm pump if...

    As to manufacture, hard to say. That 2cfm pump if you chase it down is 1.8cfm with ultimate vacuum at 25 microns. Champagne Il is the home of University of IL, huge place for math, science, physics,...
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    They can be found on Ebay, I had to open a link...

    They can be found on Ebay, I had to open a link for dental/ medical vacuum pump to find what I have or very similar at their store. They manufacture a lot of industrial stuff, I don't think it's from...
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    This pump is sweet as can be, even an old cripple...

    This pump is sweet as can be, even an old cripple can get it up a ladder, think it only uses 6 oz. of oil so not for nasty contaminated systems. Sounds small at 1.58 cfm but I grew up with pumps...
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    OOOPS, Mg is magnesium, must have meant Hg,...

    OOOPS, Mg is magnesium, must have meant Hg, surely meant mercury.
  12. Replies
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    Drink a milkshake from one straw, you can't get...

    Drink a milkshake from one straw, you can't get anything out due to pressure drop. Put 2 straws in your milkshake and now you can drink it.
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    I use a tiny 3# Viot two stage pump rated at 38...

    I use a tiny 3# Viot two stage pump rated at 38 microns. It works very well @ 1.58cfm. Speed is not necessarily what you need, it takes time to pull water out of a system, thats when you are...
  14. pull the cover off of the contactor and look at...

    pull the cover off of the contactor and look at the burned contacts.
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    You could shim it.

    You could shim it.
  16. I installed my A/C unit in 1988, never had to...

    I installed my A/C unit in 1988, never had to charge/ recharge it. Make them find and fix the leak they left you with.
  17. should be a link on the top bar. largest low...

    should be a link on the top bar. largest low temp chiller (-45*F) I worked on had an open drive 2000 HP motor running on 2160 VAC (two thousand one hundred and sixty volts) condenser outside mounted...
  18. thanx

    thanx
  19. Yeah, they/ you are the enemy. Big joke in the...

    Yeah, they/ you are the enemy. Big joke in the union.
  20. This forum is not for tech advise for homeowners,...

    This forum is not for tech advise for homeowners, but we do try to help. We of coarse can't diagnose a system as we are not there. I'm an old guy so that list of numbers and letters does not help...
  21. ? No Subcooling or Superheat # to...

    ? No Subcooling or Superheat # to reference...........let me look at a chart..Outdoor "OD" is 90*, Liquid Line Temp is 109.8?...alas I lost my chart, will work off gauges, looks like no...
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    I think what we need is a magnetic propulsion...

    I think what we need is a magnetic propulsion system.
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    Just making an analogy that should be easy to...

    Just making an analogy that should be easy to understand. I thought that GM 86'd Oldsmobile, is Pontiac gone as well?
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    Guess you have to decide what system you want. ...

    Guess you have to decide what system you want. In general concerning any product; simple is often cheaper with less to go wrong. (P.S.) Last time I checked Bryant and Carrier are like Chevy and...
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    Well these are some nice pics. I was going down...

    Well these are some nice pics. I was going down the road that one needs square duct to get through joist spaces and such (from basement). But from a view of an attic job, round looks good. Correct...
  26. Sorry, no clue of what you are trying to achieve....

    Sorry, no clue of what you are trying to achieve. Maybe try it again.
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    They can make noise but are usually quiet. I...

    They can make noise but are usually quiet. I would have installer check it out. Could be something wonky or just a loose screw from transit.
  28. ?How many tons of cooling? I remember a post...

    ?How many tons of cooling? I remember a post where the "insurance repair company was going to charge 12# of R22 into a 3 ton heat pump at an exorbatant amount.
  29. In my neighborhood the big yellow box guys are...

    In my neighborhood the big yellow box guys are trained crooks, they don't stop with the elderly, they use fear tactics to force sales at night.
  30. feel for U, happy easter nad new guy

    feel for U, happy easter nad new guy
  31. As long as the "Freon" was not damaged by high...

    As long as the "Freon" was not damaged by high temperature it will be fine; sometimes when an electric motor fails it will cause a chemical breakdown in the refrigerant causing acid to form; more...
  32. It takes time to "vacuum" out a system, you may...

    It takes time to "vacuum" out a system, you may get away with an hour after a new system its installed, probably not.
  33. Find one on this site! They won't dare make a...

    Find one on this site! They won't dare make a mistake!! We'll eat them for dinner!
  34. TXV, access ports, oil traps,sight glasses...

    TXV, access ports, oil traps,sight glasses (plural), pulling next gauge wire thru conduit, installing fused disconnect, ect. etc.
  35. No such thing as weird numbers. learn how to...

    No such thing as weird numbers. learn how to :read a meter; diagnose start and run windings; capacitors; yada yada
  36. LOL

    LOL<LOL<LOL<LOL<
  37. full of crap, full of crap , being cheap and...

    full of crap, full of crap , being cheap and stupid,
  38. These "home warranty" people are all hacks that...

    These "home warranty" people are all hacks that are unable to get a real job. If you have a warrenty that says they will fix it? make them replace compressor and recharge with R-22. They can not...
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    Too old and apparently dumb to post a photo but I...

    Too old and apparently dumb to post a photo but I use a set of "WIHA" ESD drivers, sixteen heads and one handle, suitable for circuit boards, about $50
  40. looking for a place in Florida with water.

    looking for a place in Florida with water.
  41. Interesting, never heard of that.

    Interesting, never heard of that.
  42. There's a temp scale right on the gauge! Come...

    There's a temp scale right on the gauge! Come on, these kids are clueless.
  43. $1K for gauges???? these kids need to learn how...

    $1K for gauges???? these kids need to learn how to read a clock! One percent off with analog gauges doesn't meen crap, learn the trade for God's sake and stop using the internet to do the job 4U
  44. think i got 5 sets, retired, maybe sell some off

    think i got 5 sets, retired, maybe sell some off
  45. Where's the stats?

    Where's the stats?
  46. i'm going for pawn

    i'm going for pawn
  47. Replies
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    We could argue the pros and cons of unions just...

    We could argue the pros and cons of unions just like almost everything else in existence as there are always pros and cons. We (unions) made a new world record that far exceeded lost time injuries at...
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    As a union guy I'm pretty much covered by the...

    As a union guy I'm pretty much covered by the union and we are supposed to be working for a contractor. Certain activities do require special liscensing such as: plumbers, medical gas, certain...
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    The first problem with non-union guys is that...

    The first problem with non-union guys is that they get hired to work on government jobs and they are not getting paid prevailing wage but rather 30 cents on the dollar which undermines our pay scale....
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    The only license that I have ever had is for...

    The only license that I have ever had is for Medical / Oxygen service. Any type of license needed for any work would be the problem of the contractor. As a Union employee never had any problems, and...
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