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Type: Posts; User: toy501

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  1. Microchannel Condenser and Subcooling for 410A

    I was told by the local Mcquay rep. here that on microchannel condenser coils that as the load on the system goes up the subcool goes up and when the load on the system goes down the subcool goes...
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    eikon microblock reference

    does anybody have a copy of the eikon microblock reference that they wish to share???

    Thanks in Advance
  3. The dangers of being a residential HVAC Tech.

    <Too much like a DIY repair video>
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    21,569

    I would like to see a coupon rack installed with...

    I would like to see a coupon rack installed with the same alloys used in the barrel and the tower and see if any deteriation of metals overtime before i consider putting that stuff on multi-million...
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    Thank's Sparks but i have that already. I have a...

    Thank's Sparks but i have that already. I have a call into Hitachi to help me find a replacement.
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    Help Decipher Compressor Model#

    I have a obsolete ductless mini-split Hitachi outdor unit model#RAC-09UHV with a bad compressor, Toshiba model#EH135X1C-1DU2. Can somebody decipher the model# for this compressor so i can cross it...
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    518

    Help Decipher Compressor Model#

    I have a obsolete ductless mini-split Hitachi outdor unit model#RAC-09UHV with a bad compressor, Toshiba model#EH135X1C-1DU2. Can somebody decipher the model# for this compressor so i can cross it...
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    4,448

    www.hvacr-tools.com, www.hvactool.com

    www.hvacr-tools.com, www.hvactool.com
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    937

    I would check the damper assembly it might of...

    I would check the damper assembly it might of failed shut.
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    598

    freezestat possibly? Good question though. I...

    freezestat possibly? Good question though. I guess i'll have to tinker w/ one and find out the operating temps.
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    refrigerated drinking fountains

    Just curious. whats the evap. temp (Saturation temp) usually run on drinking fountains and the TD. I'm thinking around 25F sat. temp. w/ a 20F TD. Wrong or Right?
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    it's a little tricky finding that dang run cap on...

    it's a little tricky finding that dang run cap on that ECM
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    2,604

    sweating off brazed joints

    Sometimes when sweating off devices for replacement (Ex. Filter driers) there is still alot of brazing material on the tube that the new device will not slip in the joint. What i usually do is get...
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    Paid by the hour

    I hope these guys get paid by the hour because there gonna be there for awhile.:eek: Even with that powermate that job looks like hell, I hope the battery doesn't die on that powermate....
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    What type of motors are in there ODP or TEFC??? I...

    What type of motors are in there ODP or TEFC??? I had multiple failures on a older Mcquay box car with ODP's meg readings very low from moisture. Got approval to replace to TEFC's and no problems or...
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    I use my imperial swage/flare block.

    I use my imperial swage/flare block.
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    3,755

    Morgue Refrigeration

    Would like to hear any interesting stories that you guys encountered in this type of refrigeration. What's the design temp. of the box to keep the product happy??:eek:
  18. Thread: HP Problem

    by toy501
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    741

    should coincide w/ ambient

    should coincide w/ ambient
  19. Thread: HP Problem

    by toy501
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    741

    I agree w/ slatts, Possible air or Nitro in...

    I agree w/ slatts, Possible air or Nitro in there. Disable the compressor and let the condenser fans run awhile then check your liq. line temp. versus sat. temp. should coincide, if not you got...
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    HVAC vs. Refrigeration

    Just a general question for all you Refrigeration Pro's. Cleaning up my technical library and came across my HVAC and Refrigeration technology book i haven't opened up in like 18 years. Looking...
  21. Refrigeration analysis and troubleshooting vs. HVAC

    oooopps wrong section
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    If it's tripping off of o/l that's probably due...

    If it's tripping off of o/l that's probably due to excessive discharge temp. and high suction superheat. If that's corrected sound jacket should be o.k. in my opinion.
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    Now that's a cluster faack of a ducting job....

    Now that's a cluster faack of a ducting job. Should be in the best of Hall of shame.
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    1,658

    Lennox Industries (Concord) 10 SEER heatpump. Has...

    Lennox Industries (Concord) 10 SEER heatpump. Has a copeland recip. pot.
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    1,658

    Compressor (pot) sound jacket

    Any of you guys now where i can get a hold of a sound jacket for a hermetic compressor? Installed condensing unit for moms years back outside of her bedroom:eek:. Now she's annoyed of the sound, Must...
  26. Thread: service caps

    by toy501
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    511

    get the old school style flare caps you have to...

    get the old school style flare caps you have to tighten beyond hand tight w/ a wrench. if it's loose after that somebody's diicken around.
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    mismatched system gives no guarantee of proper...

    mismatched system gives no guarantee of proper system operation. check esp, i bet it's way too high. probablly never get the refrigerant side balanced out correctly.
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    http://www.cooper-atkins.com/product.asp?p=130

    http://www.cooper-atkins.com/product.asp?p=130
  29. http://www.lauparts.com/catalog/servefile.aspx?id=...

    http://www.lauparts.com/catalog/servefile.aspx?id=2008
  30. thanks

    thanks
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    Very poor design. The system is not even bringing...

    Very poor design. The system is not even bringing back return air from the room in question??? Do you have hot gas bypass on that system??? In any event that cold return is going to wreak havoc on...
  32. Jim, Sorry to keep bothering u but i pasted...

    Jim,

    Sorry to keep bothering u but i pasted the link and got a blank page so i went to the download center, Don't know where to go from there??? Do i have to purchase any software and hardware to...
  33. Thanks

    Thanks
  34. Jim, So if i'm understanding you correctly...

    Jim,

    So if i'm understanding you correctly regarding the static discharge for my 1st. generation 523, I would have to have the hanging hook of my 523 in contact with a source of ground??? and...
  35. testo 523 1st generation vs. 523 2nd generation

    Opinions,

    I have the 1st generation 523 and have no complaints, Couple guys have the new 523's. In my opinion the first generation has more in the field helpful options like the HP leak check....
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    Definitely delta P across TXV is too low for it...

    Definitely delta P across TXV is too low for it to work properly, Does the compressor have unloaders?, What's the subcool?, U sure u don't have loose belts on the air handler causing lower than...
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    hmmmmm? Do you have different icons you can...

    hmmmmm? Do you have different icons you can choose from to get into? Maybe u dont have the highest access in user accounts. Anyway, If u post this thread in controls u will get a response in no time...
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    that stuff is just the point info. in point...

    that stuff is just the point info. in point editor. if u have a problem w/ reset u would have to look in your ppcl program to see whats going on with reset table program code, or maybe it's in...
  39. Thread: 407c top-off

    by toy501
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    1,031

    Thanks for the info. fellas!!!

    Thanks for the info. fellas!!!
  40. Thread: 407c top-off

    by toy501
    Replies
    3
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    1,031

    407c top-off

    Picked up a account w/ Mammoth box car units w/ bitzer screws with leaks. Once leaks are repaired how would you determine if top-off is acceptable without fractionization? I think is something like...
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    Don't ask me why but i was told that it's not a...

    Don't ask me why but i was told that it's not a accurate test when u put the micron gauge straight to the vacuum pump. Try evacuating a empty recovery cylnder and put vacuum gauge to the other port...
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    Uniweld has many MC & R portable set-ups....

    Uniweld has many MC & R portable set-ups.
    http://uniweld.com/catalog/oxyacetylene.htm
  43. Thread: freon leak

    by toy501
    Replies
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    1,202

    Test your vacuum pump efficiency before pulling...

    Test your vacuum pump efficiency before pulling vacuum on system.
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    probably too high of compression ratio for...

    probably too high of compression ratio for application & discharge temp w/ out some type of injection cooling.
  45. Is it just me or is that suction line 3/4" on a...

    Is it just me or is that suction line 3/4" on a 7/8" sweat stub? Also was up w/ da hacked stand, I would of went w/ a diversitech pre-fab stand. I hope the rain or termites wont cause premature...
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    So you took off head & looked at the under part...

    So you took off head & looked at the under part of the head and the unloader assembly looked fine? those Unloaders are pilot operated so there are orifices that may clog up on u. The question of...
  47. Thread: Abb Ach500

    by toy501
    Replies
    1
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    947

    You can get parts for it directly from ABB if you...

    You can get parts for it directly from ABB if you have a account.
  48. Unbelievable!!!!!!!!!! This contractor is a big...

    Unbelievable!!!!!!!!!! This contractor is a big time hack. He needs to be reported to the HVAC poilce.
  49. Not good!!!!! If old system was a compressor...

    Not good!!!!! If old system was a compressor burnout acid was circulated thru system. A system flush was in order if the old line set was used or even better replaced w/ new line set w/ new liq....
  50. Yup. If there's any play in there from worn parts...

    Yup. If there's any play in there from worn parts it will hang up. Haven't worked on one for awhile, Is there a little mesh screen in the pilot orifice of the unloader like carlyle O6E's that might...
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