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Type: Posts; User: RichardL

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  1. Replies
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    Reversing Single Phase Motors & such

    First off...The "ONLY" single phase A/C motor you will likely "Ever" see is the drill motor or Impact wrench (Series-Motor) you plug into an outlet. Period!!
    The most common in our industry is the...
  2. Please turn off your caps Lock. It is like...

    Please turn off your caps Lock. It is like hollering at us.
    Is there a question in your post..
  3. Replies
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    1,138

    These smaller VFD's have the capacitor banks...

    These smaller VFD's have the capacitor banks fully charged even when the motor is not running...Sooooo...The capacitor banks are "Fully" charged awaiting a run signal..Along comes a "Very" short...
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    1,138

    I read this post twice looking for a...

    I read this post twice looking for a question...but I did come away with great bit of wisdom in the "Accepting Stupidity" quotation..
    At least you do have a sense of humor Mongo...Keep it coming..
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    1,225

    The largest aquarium in the world here in...

    The largest aquarium in the world here in Atlanta, Jawja' is all sch80 PCV and all welded joints and take-offs. Every joint union welded of course. Noo problems so far.The equipment room is truly a...
  6. First off, do not mistake a motors nameplate data...

    First off, do not mistake a motors nameplate data with anything other than a motors "Rating".
    All motors are required by NEMA to state "Correctly" a motors "Rating" for a given Load(HP)/Applied...
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    3,036

    My old company went to a large textile mill to...

    My old company went to a large textile mill to completely retube the evaporator on a 1500 ton 19C....
    Technician/mechanic found the chiller with the water drained and both heads down......
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    Some numbers quoted earlier are in error.......

    Some numbers quoted earlier are in error....
    When starting a Wye-Delta motor in the Wye configuration, the motor will pull 133% of Full Load Amps on start.
    The same motor starting in the Delta...
  9. Assuming the ref. is R-22, as long as you...

    Assuming the ref. is R-22, as long as you maintain a maximum of 3PSI(2f) pressure drop in the suction line sizing, and an adequate size liquid line there should be no problem.
    Sadly enough the art...
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    2,165

    According to every piping manual I have the...

    According to every piping manual I have the correct suction line pressure drop on a system with R-22 is, as an earlier poster correctly stated is 2f or 3PSI. This insures correct suction velocity...
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    2,761

    As for unloaded thats usually the day after a...

    As for unloaded thats usually the day after a good vindaloo curry ............ put me another toilet roll on ice Honey please !!!!!!!!!!!!!!!!!!

    I had to Google the "Vindaloo Curry" to see what...
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    557

    So....Ya' wanna' satisfy something with a brass...

    So....Ya' wanna' satisfy something with a brass body & strange dimensions, (6-175-250)
    I would suggest dinner, then a movie, followed by a serious intake of libations at your favorite bar or bistro,...
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    1,085

    Need some wire.

    I remember the "Good-Ol'-Days" when an Amp was simply the result of putting one volt on a one ohm load...Now with the "Standards" of everything we see, eat, touch & measure being controlled from some...
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    1,334

    The EPA mandates that the treated cooling tower...

    The EPA mandates that the treated cooling tower water be drained by overflow, cleaning into the sewage drain and never into the storm drains or directly into our eco-system. Only the sewage treatment...
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    1,444

    I cannot begin to imagine the end result of the...

    I cannot begin to imagine the end result of the glycol, ref., ref. oil and elevated temperatures is going to produce in the long run. I have seen some nasty mixes of a contaminated ref. system from...
  16. A few years back when York changed from the...

    A few years back when York changed from the Danfoss to the lovely Cope's, I replaced a dozen of then on two units with the new Cope's..
    As the factory wanted one of them wiped out so they could peek...
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    2,035

    Spend some time at your local motor repair...

    Spend some time at your local motor repair company and take a look at some of the motors taken apart for rewind/repair..Many of the end bells of a motor taken apart just crammed with excess grease...
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    977

    As Chillerguy wisely stated, some serious number...

    As Chillerguy wisely stated, some serious number crunching should be done using the printed material available on PFC. Should one install a bank of PFC's with too much K-var capacity some serious...
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    Very simple....It is the mirror opposite of a...

    Very simple....It is the mirror opposite of a superheat calculation.
  20. Replies
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    1,294

    The "Only" thing Wolfdog has been in error about...

    The "Only" thing Wolfdog has been in error about is his chosing a puny 9mm against a full house 45ACP. His statement that there is no such thing as a 3ph. transformer is correct. Just because a 3ph...
  21. Thread: wye-delta

    by RichardL
    Replies
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    2,288

    That sucker gotta' be wired wrong....I would...

    That sucker gotta' be wired wrong....I would guess internally on the terminal board that some wiring got swapped...I mean putting power on term. 1-2 & 3 don't do squat' on a properly wired wye-Delta...
  22. Regardless what make model units you select, I...

    Regardless what make model units you select, I STRONGLY suggest that you have a semi-retired, knowledgeable, and handsome (ME) technician to do the lengthy start-up that should be performed. My fees...
  23. Replies
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    2,405

    I am sadly reminded of an incident here in...

    I am sadly reminded of an incident here in Atlanta, where a "Facilities Crew" installed a jumper on the Low water cut-out on a boiler to "Keep Cost Down" by not calling a service company..
    The sad...
  24. Thread: WHAT IF??

    by RichardL
    Replies
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    3,169

    I remember back when, I installed scores of the...

    I remember back when, I installed scores of the "Ingersol-Rand-Electrostatic-Water-Treater', which used a bypass connection treating 20% of the condenser water with a High DC voltage(10kv) power...
  25. Replies
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    [QUOTE=wolfdog;8212751]Hey Richard....don't hear...

    [QUOTE=wolfdog;8212751]Hey Richard....don't hear from you near enough these days.

    Hiya' Wolfie...Being "Officially" retired now but in a "Non-working" advisor like capacity, I cannot pull on...
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    1,083

    Quoting someone "Far" more informed on this than...

    Quoting someone "Far" more informed on this than I, I will let his printed words stand for your scrutiny...

    (From: Leonard Migliore (lm@laserk.com).)
    One big area of hazard is that CO2 lasers...
  27. Thread: RXF-39

    by RichardL
    Replies
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    666

    I must ask....Does this unit use a...

    I must ask....Does this unit use a "Compressorless-Condensing-Unit" mounted well above the unit compressor which the oil going to what looks like a condenser alongside the unit compressor with the...
  28. Replies
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    947

    Yes....It is common for a D/X chiller to freeze...

    Yes....It is common for a D/X chiller to freeze and crush the tubes, the reasons are many that can and will cause this...Sounds like you was lucky that the tubes did not pull free from the crown...
  29. Thread: Accumulator?

    by RichardL
    Replies
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    929

    Liquid-Line/Suction-Line sub-coolers work...

    Liquid-Line/Suction-Line sub-coolers work differently on different refrigerants....On R-22 as an example, you will see an increase in capacity at the expansion valve but you will see a net effect of...
  30. Replies
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    According to NEMA, (The over-seer of electric...

    According to NEMA, (The over-seer of electric motors) The "FLA" of an electric motor is in fact the RLA(Rated-Load-Amps) which the nameplate states that said motor will perform stated load at stated...
  31. Replies
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    I have worked on the units made here in Jawja'by...

    I have worked on the units made here in Jawja'by Rohr Industries, for the BART & DART train systems.
    They had little open drive, aluminum bodied, 8cyl. Trane compressors slung underneath the car in...
  32. Replies
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    I forgot something kinda' important... At the...

    I forgot something kinda' important...
    At the large motor shop where I used to work, most of the "Bearing Webs" that got broken, were broken upon installion and not their removal....
    Just thought I...
  33. Replies
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    Recently had a large tonnage chiller (R-134) with...

    Recently had a large tonnage chiller (R-134) with a condenser pressure 35deg.f above saturation.....Tried for 2days running chiller with a large purge unit,(20hp) pulling from the top of condenser ,...
  34. Replies
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    I am assuming you are referring to the "Bearing...

    I am assuming you are referring to the "Bearing Web" that contains the bearing and bearing caps.
    Yes, This cast is easily repairable as long as a few steps are taken prior to welding.
    1- Chamfer...
  35. Replies
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    Shazam!!!!! I read the whole thing twice and...

    Shazam!!!!!
    I read the whole thing twice and grasp about 2% of what I read...
    That is one cool.....Make that great!!! damn idea...Now that they have proven that it works...Where will they go now???...
  36. Replies
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    Today I removed 1200 gallons of highly chromated...

    Today I removed 1200 gallons of highly chromated bromide for disposal from a rather large York absorber. The "Only" people I found to dispose of it was "Safety-Kleen". They take the stuff to Kentucky...
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    [QUOTE=CaptJackSparrow;3135492]Rich thanks for...

    [QUOTE=CaptJackSparrow;3135492]Rich thanks for the info but could you clearify a couple things for me? Is it 3- 25KVAR PFCCS per 100hp? A total of 75 KVAR? Also on the wiring one side should should...
  38. Replies
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    595

    The mush wound induction motors on the 19D's...

    The mush wound induction motors on the 19D's would normally require 25KVAR per 100HP to increase thye PF from .83 to .95. Therefore a 300HP would take a 75KVAR. Fairly linear as you can see. However...
  39. As Klove wisely stated, this cannot be a scroll...

    As Klove wisely stated, this cannot be a scroll compressor vintage 94'. maybe,
    It sounds like a Little screw compressor S2-S3 maybe, orifice fed with a possible oil overcharge. A couple of gallons...
  40. Thermal Ice storage is by far the most effecient,...

    Thermal Ice storage is by far the most effecient, using the highly touted 4" Ice Balls that were popular a few years ago. For a "Free" in depth analysis of your situation simply contact the worlds...
  41. Thread: Hot leg

    by RichardL
    Replies
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    5,019

    [QUOTE=little john;2680452]working in the Bay...

    [QUOTE=little john;2680452]working in the Bay Area, a lot of units don't have CCH's, much to my dismay, but I get it. I'm very mindful of how the CCH is energized and I've never known it to have...
  42. Replies
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    I sure do wish I could put up some Pic's & Spec's...

    I sure do wish I could put up some Pic's & Spec's about that unique facility "Out There", I mean a heap of guys surely think that 65 deg. condenser water year round is hokey....I am sure they would...
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    Lithium-Chromate disposal

    Any one have any idea on how to dispose of a couple thousand gallons of highly inhibited bromide..I remember years back when Lithcoa (Lithium corporation of America) would buy it back, but sadly I...
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    Hey Richard, is Jimmy still around and...

    Hey Richard, is Jimmy still around and supervising? Haven't seen him for a while.

    Ohhh' yeah...He's still around....Can't seem to run him off it seems..He squealed so loud about too much work and...
  45. Replies
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    At a plant here in Jawja' that has 24 YK's, the...

    At a plant here in Jawja' that has 24 YK's, the customer picked one chiller to attempt to destroy it upon comissioning...In a 4 hour period we killed the "Main" disconnect under load, also killing...
  46. Thread: york yt help

    by RichardL
    Replies
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    809

    I would advise you check the 20-amp fuse &...

    I would advise you check the 20-amp fuse & fuseholder in the control panel that feeds the oil heater. As that bottom fuse is the one that supplies the actual "Start-Signal" power regardless of which...
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    The "Peelable" Aluminum shim stock is available...

    The "Peelable" Aluminum shim stock is available from McMaster-Carr in thicknesses from .006" to .250" with either .002 or .003" shims.
    A 24" x 24" will cost you from $8. for .006" up to $260. for...
  48. Replies
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    [QUOTE= The poster also observed that only...

    [QUOTE=

    The poster also observed that only .006 amps, or 6 microamps, can stop the heart or send it into the spasms of fibrillation.

    Incorrecto amigo.

    .006 amps =6 ma or 6000 micro-amps
    ...
  49. Replies
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    Leaking Compressor

    Mis-directed Phone conversation to Johnson Controls instead of Dr. Johnson (Urologist)

    Hello.

    Yes I need some service please.

    How may we help you?

    My Johnson is leaking.
  50. Replies
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    No such EEPROM is available for a fixed speed...

    No such EEPROM is available for a fixed speed chiller.
    The newer VSD's with Optiview has a seperate board(ACC Board)that looks for surges & logs them in memory...The required inputs and memory far...
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