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  1. Replies
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    This is an article from a pro-nitrogen tire...

    This is an article from a pro-nitrogen tire group, but it appears to be factual info:
    ...
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    I have long been suspicious of the "OEM" cap...

    I have long been suspicious of the "OEM" cap tubes that are always exactly 10 ft in length. That is simply too much of a coincidence.

    I have used the Tecumseh cap tube selection program with...
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    Arriving at an accurate and yet realistic load...

    Arriving at an accurate and yet realistic load estimate may be two different things. BeerMe's earlier response about the low load figure looks too low and how they'll never hold temps as soon as the...
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    I would take a serious look at adding a larger...

    I would take a serious look at adding a larger receiver, a suction accumulator and a hot gas bypass valve with desuperheating expansion valve (at the condensing unit). If the condensing unit is...
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    Capillary action or wicking is a result of the...

    Capillary action or wicking is a result of the effects of surface tension and adhesion of a liquid, typically in a very small diameter tube. I don't see how this could possibly apply to a...
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    When you state "venting a stream of relieved high...

    When you state "venting a stream of relieved high pressure gas", I then assume it's a refrigeration system which is being vented and the gas is dry, as it would normally be in operation. I also...
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    Something like these mini-CB's with the "D" trip...

    Something like these mini-CB's with the "D" trip rating might work:

    http://www.automationdirect.com/static/specs/wmztminicircuitbreakers.pdf
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    I've only seen this on a job I was on some 30...

    I've only seen this on a job I was on some 30 years ago when I worked for Dunham-Bush. I don't recall what the fix was unfortunately. I suggest you call the transformer manufacturer as they will...
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    It sounds like the fuses are popping due to the...

    It sounds like the fuses are popping due to the inrush current during power-up of the transformer. This can happen even with no load on the secondary windings. Are they slow-blow fuses?
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    Copeland used to have the voltage correction...

    Copeland used to have the voltage correction noted on their printed performance curves...back in the day when they were real plotted curves. I recall seeing it more recently, but I forget where that...
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    The amp draw is inversely proportional to the...

    The amp draw is inversely proportional to the supply voltage, so it's

    (Rated Volts) / (Actual Volts) x Rated Amps = Actual Amps

    For 208V, the proportion would be 230/208 or x 1.105 or about...
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    I believe Aspera has been absorbed by Embraco to...

    I believe Aspera has been absorbed by Embraco to the point where they don't even acknowledge the Aspera name any more. Also, Copeland has rather close ties to the old Aspera line as their A-Series...
  13. I usually inserted the sensing tube into the...

    I usually inserted the sensing tube into the center of the coil (from the back side where possible). I never found the location on the coil made much of a difference, as it was more important to get...
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    I bought an "off-lease" Panasonic Toughbook CF-28...

    I bought an "off-lease" Panasonic Toughbook CF-28 ruggedized laptop from Tiger Direct which had been refurbished by a factory refurbisher. It was three years old at the time and it looked like new....
  15. I bought my first calculator in 1972. It was a...

    I bought my first calculator in 1972. It was a Texas Instruments, ate batteries for breakfast and didn't even do square roots. It cost $99, which was a lot of money in those days.
  16. I had two customers ruin their Manitowoc cubers...

    I had two customers ruin their Manitowoc cubers by "cleaning" them with CLR.
  17. I haven't seen a Manitowoc evaporator flake or...

    I haven't seen a Manitowoc evaporator flake or peel since they went to a chemical bonding type of nickel plating back around the introduction of the B-Series cuber. Like BBeerme said, the plating...
  18. For a truly nasty, grease-laden condenser I...

    For a truly nasty, grease-laden condenser I almost always removed the coil (or even the whole condensing unit) and used an alkaline cleaner (like NuBrite) outside where you could do a much more...
  19. In the mid 1980's I worked for a market chain...

    In the mid 1980's I worked for a market chain based in the Harford area. We needed three different pagers to cover our territory from Boston to Long Island. At that time, "bag phone" signals were...
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    There's a VERY LONG thread discussing this here:...

    There's a VERY LONG thread discussing this here:

    http://hvac-talk.com/vbb/showthread.php?1117911-quot-Ice-Cold-quot-Refrigerant-quot-conditioner-quot
  21. The Imperial IMP is a mini tubing cutter for...

    The Imperial IMP is a mini tubing cutter for 1/8"-5/8". Mine was probably 30 years old when I lost it. :(


    http://www.trutechtools.com/assets/images/tc-2050.jpg
  22. I remember helping remove, repair and re-install...

    I remember helping remove, repair and re-install an old Remington window A/C back in the 1960's. It was huge and heavy with that 3/4 HP R12 Copelametic in there.

    We used to refill steel...
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    CO2 purge while brazing is mentioned in the Tyler...

    CO2 purge while brazing is mentioned in the Tyler I&O Manual on p.2-1:

    http://www.hillphoenix.com/tyler/mechanical/5806448_TylerMSD-ISManual-lowrez.pdf
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    If it's less than 20 years old the expanding...

    If it's less than 20 years old the expanding agent in the insulation was probably an HCFC or an HFC. Before that, CFCs were common.
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    Is this a Kelvinator Commercial freezer by...

    Is this a Kelvinator Commercial freezer by chance? (See p.4):

    http://primasupply.com/images/brochure.pdf

    The XDX also was licensed to Beverage Air back when Carrier owned them.
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    Go back to your basics and think about what you...

    Go back to your basics and think about what you said there. :putergreet:

    As for the location, I don't think it makes much difference whether it's before or after the condenser. If I had to...
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    Well...perhaps not as bad as all that. At least...

    Well...perhaps not as bad as all that. At least it'll start when it's raining...if the battery isn't dead. ;)

    I remember drying off the distributor cap of my brother's MG and sealing the carbon...
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    The commercial stuff is all fairly similar to...

    The commercial stuff is all fairly similar to what I'm familiar with. Copeland, Tecumseh, Heatcraft, Sporlan, Danfoss, DuPont, etc. are popular brands for the supply houses here, but the equipment...
  29. Replies
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    The electrics on this car are terrible. It may as...

    The electrics on this car are terrible. It may as well be British. ;)

    The gas gauge has a mind of its own, the side mirror controls don't work any more and even the horn quit. 50 years of driving...
  30. Replies
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    That's cool! I had a 600 Amp jumper battery pack...

    That's cool! I had a 600 Amp jumper battery pack back in Florida, but I was told they wouldn't allow lead/acid batteries in my container shipment to EC.
  31. Replies
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    On Saturday I went to start the car and found the...

    On Saturday I went to start the car and found the battery was dead. I had just replaced it about four months ago and recently I checked it and the charging OK.

    I mustered up some of my best...
  32. Replies
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    The Direct Air manual shows it on p.9: ...

    The Direct Air manual shows it on p.9:

    http://www.directairhvac.com/data/document/26~v~Manual_PHRV96_EN.pdf

    That "breathing tee" looks like an afterthought to me.
  33. Replies
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    >>> I DON'T CARE !

    >>> I DON'T CARE ! <<<
  34. Replies
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    It's raining here for the first time in four...

    It's raining here for the first time in four months.

    It usually doesn't rain until January.

    They say El Nio might bring heavy rains later this year.

    I don't care.
  35. Replies
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    Here's a couple of past threads which may be...

    Here's a couple of past threads which may be helpful:

    http://hvac-talk.com/vbb/showthread.php?1612411-H10-PM-Battery-Mod

    http://hvac-talk.com/vbb/showthread.php?102363-Battery
  36. Replies
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    I always had good luck with the blue flux coated...

    I always had good luck with the blue flux coated 45% silver brazing rod from Harris to do stainless to copper, brass or plain steel.

    Here's a past thread which has some discussion about 304...
  37. Replies
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    Did you ever notice how cap tubes from parts...

    Did you ever notice how cap tubes from parts houses like this only come in 120" lengths?
  38. Replies
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    If you wear glasses and the prescription runs...

    If you wear glasses and the prescription runs out, will they still work?
  39. Replies
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    If you use the Tecumseh cap tube selection...

    If you use the Tecumseh cap tube selection program and select R134A, .036" cap tube, -10F evap, 110F cond, 36" heat exchange, it results with 85" or 7'-1". I wouldn't go with 20 feet as it's too...
  40. With a very long lineset you need to size the...

    With a very long lineset you need to size the liquid line so the pressure total drop doesn't exceed your available subcooling. Yes, this is a case where you need to be aware of subcooling, but you...
  41. Basically, if you have a system without a...

    Basically, if you have a system without a receiver like a residential A/C with a TXV, we all know that if you add refrigerant the subcooling increase and vice versa. Take a moment to consider why...
  42. Replies
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    The concrete ceiling is cold due to radiant...

    The concrete ceiling is cold due to radiant cooling from the ice. Yes, the ceiling needs to be warmer...ie, just above the dewpoint of the air. I'd try a fan, temporarily just to test the concept. ...
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    Is the liquid line leaving the condenser coil hot...

    Is the liquid line leaving the condenser coil hot (low subcooling) or is it close to ambient temperature (high subcooling)? High subcooling would indicate that your extra refrigerant stacked up in...
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    The BC-2 at 39" looks OK, but 280 psig indicates...

    The BC-2 at 39" looks OK, but 280 psig indicates a 155F condensing temperature. Did you charge to the factory weight or just add enough refrigerant "to get the suction pressure up"?
  45. Please....Wait for the correct compressor and do...

    Please....Wait for the correct compressor and do the job properly. The R22 compressor will likely "run OK" but will certainly not "perform OK" and as a result, while it may run long enough for you...
  46. Replies
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    I've never seen it done, but perhaps some radiant...

    I've never seen it done, but perhaps some radiant heat directed at the ceiling would do the trick. I know they make electric, moisture resistant units for car washes and such, so why not inside an...
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    The numbers on a capacity chart for a given...

    The numbers on a capacity chart for a given compressor reflect what you should expect for performance for a specific set of conditions. Those conditions not only include suction and discharge, but...
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    If you could tell us what the model number is for...

    If you could tell us what the model number is for the compressor they ordered, then perhaps we could get a bit more specific in our advice to you.
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    The length of the belt has no affect on the...

    The length of the belt has no affect on the rotation (speed) of the pulley.

    The speeds are directly proportional to the diameters. If both are the same size, their speeds will be the same. If...
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    Missing keystrokes in IE appears to be a common...

    Missing keystrokes in IE appears to be a common problem:
    ...
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