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Type: Posts; User: dave91169

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  1. Replies
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    Overcharged it was!! Removed a bit of R12 at...

    Overcharged it was!!

    Removed a bit of R12 at a time, and watched the frost line under the unit back up. Wound up with a suction line pressure of about 15 psi (was 22 when I started). Thermostat...
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    The 16 ounces was based on what the label stated....

    The 16 ounces was based on what the label stated. I'm not much on refrigeration as compared to HVAC, but a well-experienced refrigeration mechanic advised me to put exactly what the label says into...
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    Icing on return line on Coke machine

    The Cavalier 864 Coke machine that I put a new compressor and a 3-in-1 kit on has been working fine. However, when I turned it around to find an annoying intermittent "rattle" (had left one of the...
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    The pipe looks older than the unit. Wonder which...

    The pipe looks older than the unit. Wonder which one got there first??
    Dave E
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    Been married 40 years - - understand completely!!!

    Been married 40 years - - understand completely!!!
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    Wonder what translation this is from?????

    Wonder what translation this is from?????
  7. Replies
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    Thanks for the comments; just shows that you...

    Thanks for the comments; just shows that you professionals are interested in doing things right!!

    Since the unit seems to be working properly (internal temperature is about 37 degrees with the...
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    Just wanted to reply back with the final results....

    Just wanted to reply back with the final results.
    Bought a Supco 3-in-1 kit, installed it on old compressor, still would not start.
    Obtained new compressor, piped in in (wrong, the first time -...
  9. Replies
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    I'm gonna have fun with these! Thanks for...

    I'm gonna have fun with these! Thanks for posting.
    Dave E
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    Gentlemen, thanks for the replies from the...

    Gentlemen, thanks for the replies from the professionals. Since the system was originally designed for R-12, I can get the R-12 compressor at a reasonable price (and already has the correct oil in...
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    Didn't look close, but I think the label said 16...

    Didn't look close, but I think the label said 16 oz capacity.
    I have a couple of cans of R12, and most of a 30-lb cylinder I've been saving for years, just-in-case.
    Have a late '30s GE...
  12. Replies
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    Existing compressor is apparently stuck and/or...

    Existing compressor is apparently stuck and/or worn out. Machine is early '80s vintage; was in continuous service for over 20 years. Windings are still good, no grounds, but unit will not run....
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    Coke Machine compressor

    I have been given a Cavalier Coke machine with a bad compressor. Otherwise, everything seems to be intact - needs a lot of cleaning, though.
    Model no. of the compressor is Tecumseh AE151AT-212. ...
  14. Replies
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    We've fixed a couple of noise problems at our...

    We've fixed a couple of noise problems at our office (exhaust fan in break room, couple of very short return-air paths) with flex duct (stuff is very good for not passing noise), but never seen an...
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    Wrong type of plastic, maybe?? I didn't think...

    Wrong type of plastic, maybe?? I didn't think you could melt one of those things made to DOT standards with a torch!!
    Dave E
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    Thanks to the pro's

    A fellow employee recently purchased a new (old) residence with substantial remodeling and three HVAC units. He was having terrible problems with high humidity, especially with one of the three.
    As...
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    Home Depot ad says it doesn't interfere with...

    Home Depot ad says it doesn't interfere with operation. Looking at that ad, it appears that the plastic structure provides less than 50% airflow through it. Appears to be a VERY bad idea!!
    Dave E
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    Is the pad overgrown, or is there no pad under...

    Is the pad overgrown, or is there no pad under it??
    Dave E
  19. Replies
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    nice

    Looks to me that you have entirely too much room around the unit. These things are supposed to be stuck in closets with no extra room around them for service!!
  20. Replies
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    You're absolutely right about the noise! You've...

    You're absolutely right about the noise! You've obviously "been there and done that"! Thanks for your help.
    Dave E
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    working!!

    Problem was easy to fix, once I dragged up a chair and watched a batch of ice being made and harvested.
    The cutter assembly was slightly misaligned with the freezing plate. When the ice slab...
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    Kitchenaid ice maker makes thin cubes

    Good morning, all.
    Have a Kitchenaid KUIS18PNJW5 ice maker. Put a new compressor in it about a year ago. Been working fine up until recently.
    Started making thin cubes, and not a full tray (just...
  23. Replies
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    Power company "code" or not, those connections...

    Power company "code" or not, those connections look easily accessible (and DANGEROUS!):gah: to anyone on the roof. Standard procedure should be to wrap all splices with rubber tape, then electrical...
  24. Shophound: My unit has capilllary tubes, so...

    Shophound:
    My unit has capilllary tubes, so hopefully the delay does me a bit of good.

    This whole discussion, however, really shows how much there is to learn in any technical field, and that...
  25. Genduct, I never thought about the "moisture"...

    Genduct, I never thought about the "moisture" factor - my thought was just putting the "energy" stored in the liquid refrigerant to use, rather than having it vaporize with no airflow. Since most...
  26. When you say it's not "shutting off" at the...

    When you say it's not "shutting off" at the setpoint temperature, are you saying that the inside unit is not shutting off, or the compressor unit is not shutting off? When shutting down, my unit...
  27. anything out of place?

    Is the sensing element on the thermostat where it's supposed to be? If it's in direct contact with the evaporator coil, ain't no telling what the thermostat might tell the unit to do.
  28. Replies
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    It ain't EPA approved but - - - take care of...

    It ain't EPA approved but - - -
    take care of yellow jacket nests in the ground with half-a-cup of gasoline and a funnel. Ease up to the hole just about dark, drop the funnel in the hole, pour the...
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    auto air conditioner problem

    While at the local watering hole yesterday, a stranger walked in, ordered a beer, and asked if anyone there knew anything about auto air conditioners. I told him I worked on my own, but don't do it...
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    Thanks, Yellowirenut. By the way - -...

    Thanks, Yellowirenut.
    By the way - - moderators - - I am a member of another forum - www.smokstak.com . They use a format very similar to this one, but the format provides a "thanks" button so a...
  31. Replies
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    We have seven 5-ton condensers at our office, all...

    We have seven 5-ton condensers at our office, all in one place. I have toyed with the idea of using sprinkler heads, some PVC pipe and fittings, and a water valve switched by a attic-ventilator...
  32. If it's "getting hot", and "humming", that...

    If it's "getting hot", and "humming", that condition is definitely not doing anything inside the condenser any good. Tell him to turn it off ASAP so as not to do any further damage until the tech...
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    Coolwhip, I like your descriptions! I wish some...

    Coolwhip, I like your descriptions! I wish some of my customers could describe sound as well as you can - they tend to say "My system is making some kind of noise."! I've always wanted to make a CD...
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    Calculated it from this website: ...

    Calculated it from this website:

    www.bpesol.com/bachphuong/media/images/book/275-97.pdf

    The way I got it - assumed your unit was next to a wall, which adds 3 dB to the published figure. Then...
  35. Replies
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    Another point for you and your installer to...

    Another point for you and your installer to consider:
    Trane would have had to go to a LOT of trouble to make something this quiet - that's why it costs more! But - - EVERYTHING has got to be right...
  36. Replies
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    The ARI standard uses the "A" scale, which...

    The ARI standard uses the "A" scale, which attenuates the low frequencies to a fair extent. Use of the "A" scale will result in a lower reading than the "C" scale. The "C" scale is flat response...
  37. Replies
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    This thread involves my "real" business -...

    This thread involves my "real" business - commercial audio and noise control.

    You can get scientific about it, if you want to.

    Buy or borrow a sound-level meter (available at Radio Shack, or...
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    DEFINITELY - references and reputation!! ...

    DEFINITELY - references and reputation!! Whatever you do, don't just consider the lowest price - find out what you're getting, who you're getting it from, and what their current customers think...
  39. Thanks for posting this! Never thought about how...

    Thanks for posting this! Never thought about how easy that could be done!
    Dave E
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    Well, at least it was a short trip to get a...

    Well, at least it was a short trip to get a replacement!
    Dave E
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    I assume you immediately got out your reclaiming...

    I assume you immediately got out your reclaiming equipment and sucked up the atmosphere around the truck. Must take care of the ozone!
    Dave E:cheers:
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    Something probably DID cause the capacitor to...

    Something probably DID cause the capacitor to blow in the first place - things like old age, cheap construction, etc.
    Tolerance for capacitors years ago used to be -0%, +100% of rated value. Don't...
  43. To give the tech a bit more help, you might try...

    To give the tech a bit more help, you might try listening to the inside unit when the condenser is running and the inside unit isn't, to see if you hear a fairly loud "hum", from the motor trying to...
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    Done the same trick myself - more than once! I...

    Done the same trick myself - more than once! I would class this as "pretty ingenious" myself - got the unit cooling in minimum time. I have a pressure-operated water valve with hose fittings...
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    As FC Body stated, the organ people don't call it...

    As FC Body stated, the organ people don't call it "air", they call it "wind". The blower feeds a regulator that is made out of 2 pieces of plywood with bellows material connecting them together. ...
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    Flange, the school had a pipe organ??

    Flange, the school had a pipe organ??
  47. Replies
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    Some of these older blowers also had a DC...

    Some of these older blowers also had a DC generator attached, to produce the voltage required to operate the valves. High-current DC power supplies were difficult (if not impossible) to make until...
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    Blown fuses are usually caused by homosexual...

    Blown fuses are usually caused by homosexual electrons.
    Dave E
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    I would be curious as to what fuel is to be...

    I would be curious as to what fuel is to be burned to operate this creature. You mentioned a 20 HP compressor; Onan's standard of 1 HP for every 500 watts of electricity means you're trying to come...
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    I've put in one rebuilt compressor that wasn't...

    I've put in one rebuilt compressor that wasn't rebuilt properly, and made noise from the start. Took it off, took it back and got another one, and all was OK. Other than the "flushing" comment made...
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