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Type: Posts; User: DrFreeze2000

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  1. Replies
    7
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    1,502

    That's good to hear, I worked for Arvid back in...

    That's good to hear, I worked for Arvid back in the late 80's early 90's (old Industrial Air) servicing Southeast Banks chillers after Joe Stanek left. I'd probably still be working for him but for...
  2. Replies
    7
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    1,502

    How is old Arvid anyhow? Does Nick Vero still...

    How is old Arvid anyhow? Does Nick Vero still run the Ft Laud division. He is one of the best mgrs they had.
  3. Replies
    194
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    20,349

    R-718 is good ole H2O or water, I wondered how...

    R-718 is good ole H2O or water, I wondered how many I'd get.
  4. Replies
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    20,349

    If you don't know what R-718 is.

    If you don't know what R-718 is.
  5. Replies
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    3,442

    I haven't worked on ice machines in a while but...

    I haven't worked on ice machines in a while but here's a couple things to look for, make sure the evap plate is clean, calcium deposits will slow ice release. Check evap for pitting, or flaking as...
  6. Replies
    11
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    1,898

    Is there turning veins in the elbow? Without it...

    Is there turning veins in the elbow? Without it can do strange things to static. The best way to tell what is happening is to traverse the supply and return, with no trunk run you can create high...
  7. Replies
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    20,349

    Oh yea couple more, Youre recovery machine...

    Oh yea couple more,

    Youre recovery machine has the tag still on it after 1yr of use.

    Youre favorite brand of recovery machine is "Blue Sky".

    You never buy vac pump oil.
  8. Replies
    194
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    20,349

    Or if you sniff reon recreationally! Find a...

    Or if you sniff reon recreationally!

    Find a crew that cuts 3/8 pipe to smoke out of!!

    Work in the Bahammas and think that work actually gets done!!!

    Do a start up on a Carnival Cruise line...
  9. Replies
    24
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    2,273

    I have to agree with condeseddave here but will...

    I have to agree with condeseddave here but will play devils advocate and throw out the suggestion that a mis engineered system i.e. too small heat recovery, low condenser area, use of LL heat...
  10. Replies
    83
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    8,742

    Hey you guys stop knocking the few...

    Hey you guys stop knocking the few 'apprentice/journeymen' we get in this trade anymore!!

    When I was 20 throwing that compressor on my shoulder and climbing a ladder was no problem, but 2 knee...
  11. Replies
    24
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    2,273

    The larger the system the more things for the...

    The larger the system the more things for the unknowing to tinker with.

    Knob turners, and parts changers kill more comp. than any refrigerants have.
  12. Replies
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    674

    I have 23 schools still under warranty between...

    I have 23 schools still under warranty between Ft. Lauderdale, Fl and St Simons ISL, Ga. Most of them have Quadraflow Marleys, were taking bets at the shop on how much Francis will blow out of them...
  13. Looking at the age of the system meaning Did it...

    Looking at the age of the system meaning Did it run ok before? new install? Did something change in the building such as remodel that tore out a large cooling space?

    Maybe I should have said...
  14. SONC these guys are going to eat you alive with...

    SONC these guys are going to eat you alive with those pics. Those units are in need of help.

    Granted 20 yr ago when metal was cheap and they could put it in the coils, larger fin spacing etc. this...
  15. Replies
    13
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    1,603

    COOOOOL Tropical Rain Forrest!!! Years ago we...

    COOOOOL Tropical Rain Forrest!!!

    Years ago we cut a 4" cypress tree out of Southeast Banks wooden tower on the Miami River. One fan of 6 had been out for years ( transmision tried to turn after...
  16. Replies
    24
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    2,273

    I had a tech last week call me in a panic for my...

    I had a tech last week call me in a panic for my superheat computer on a Publix rack because end bell was iced, he swore up and down it was flooding.

    After 2 hours at the location training he saw...
  17. AAONS biggest problem is small shop trying to...

    AAONS biggest problem is small shop trying to fulfill uncle Wally's demands of growth. Their engineering is of quality (IMO) but has suffered on final assembly, test, and inspection.

    Don't count...
  18. If they can get away with it they will!! I...

    If they can get away with it they will!!

    I started up a 100 ton OAHU in the OWA-EHAN building FIU Miami and the pulley bolts broke throwing a 16" driven pulley through a CHW coil flooding the...
  19. Do the basics, What was system designed to do?...

    Do the basics, What was system designed to do? Has load changed?? Proper airflow??? How old is system???? If it ran for years and now has lost a pump, what EMS guru is asking system to do things...
  20. I was exposed to this about 15 yr ago working on...

    I was exposed to this about 15 yr ago working on blower/vac system for Lucayan Utilities in Freeport, Bahammas. I had trouble setting loads on the pumps and did not understand why and when I asked...
  21. Replies
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    R-22 as a low temp refrigerant is efficient,...

    R-22 as a low temp refrigerant is efficient, until superheat at the compressor gets high. It has alot of BTU per pound resulting in high discharge temps, but can be controlled by correct TXV...
  22. Replies
    4
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    890

    For my overnight line set tests I use a single...

    For my overnight line set tests I use a single guage liquid filled Tiff 0-450# range with no hose or manifold, just brass adapter to the guage from fitting.

    For vac tests I use an Annie vac...
  23. Replies
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    1,297

    If you are changing out to new Leibert equip. the...

    If you are changing out to new Leibert equip. the factory will assign a rep for the sale and they work the #'s for you (It's included in the cost of unit). Leiberts standard units are 2 stage, have...
  24. It is a receiver, holds liquid during varying...

    It is a receiver, holds liquid during varying loads on system.

    If unit is charged with 134-A converted from R-12 on a cap system charge will be critical for proper operation. Seat-of-the-pants...
  25. Replies
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    1,055

    You can purchase PG with inhibitors already added...

    You can purchase PG with inhibitors already added from the chemistry store

    http://www.chemistrystore.com/foodfreeze.htm

    In the past I have found that most problems occur from using city water...
  26. Replies
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    I saw this thread a few weeks ago and made me go...

    I saw this thread a few weeks ago and made me go look in my old stock, I still have two 9# bottles of R-13 sealed. I used to maintain 6 Thermotron chambers for Mitel Electronics in the 80's.

    I'll...
  27. Replies
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    1,014

    Piping techniques vary from different...

    Piping techniques vary from different manufactures, but typically if unit is at same level or above a trap is needed. If you can fit it in 10 pipe diameters of horizontal run (for TXV bulb) then a...
  28. Are you saying that suction line has an...

    Are you saying that suction line has an accumulator with an oil return cap tube coming out the bottom of accumulator to the suction line before it enters the compressor? Or is it a receiver on the...
  29. Replies
    4
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    890

    Your method sounds fine to me for residential AC....

    Your method sounds fine to me for residential AC.

    I use different methods for systems that I start. I have come to rely on nitrogen in the past 10 years for pressure testing and when purging it...
  30. Replies
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    5,016

    If I remember correct the first was W/D in Ft...

    If I remember correct the first was W/D in Ft Laud, north of Commercial Blvd, around 1991, the other was Fla City or Homestead, don't remember.

    Hussmann Big's???

    Honestly the only thing I...
  31. Replies
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    1,641

    This is getting interesting, I have had numerous...

    This is getting interesting, I have had numerous CME's make the statement that cooling medium does not matter.

    Water that has a low PH # will degrade performance. Glycol solution at 45% is very...
  32. Replies
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    8,742

    The "TXV" you are referring to on a Hussmann rack...

    The "TXV" you are referring to on a Hussmann rack for oil control is actually a pressure reducing valve, used to prevent pushing the oil floats open. It functions strictly to maintain a fixed...
  33. Replies
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    5,016

    One of the reasons there is no "textbooks" on...

    One of the reasons there is no "textbooks" on supermarket racks (IMO) is that it utilizes multiple theories and manufacture specific practices.

    For example, reverse gas defrost on Hill parllel...
  34. Replies
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    1,923

    I may be going back a few years but wasn't...

    I may be going back a few years but wasn't Aircondex Copelands authorized rebuilder??

    I personally replace blown pistons, valves, on site. Burns and Crank breaks I'll go OEM new, and will not...
  35. Replies
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    2,754

    Someone in the Alabama area came up with the idea...

    Someone in the Alabama area came up with the idea that putting a dime under the power head when coverting to MP-39 was the way to go.

    If you are working on equipment in this area you may want to...
  36. Replies
    4
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    735

    If you are loosing that many compressors in...

    If you are loosing that many compressors in 'different' units at the same location I would investigate EMS, airflows, T&B, and those pesky filter changers dudes.

    I believe all TJ's over 7.5 tons...
  37. Replies
    2
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    1,729

    Basics, deadband is the span of temperature in...

    Basics, deadband is the span of temperature in which no action takes place, i.e.

    Setpoint of 72deg cooling with 4deg deadband would start cooling at 74deg and stop at 70deg.

    Now due to puters...
  38. Replies
    17
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    1,641

    I have to question, if system design is 55deg...

    I have to question, if system design is 55deg supply air with 39deg chill water and 23deg coil rise, the numbers don't add up.

    The change to glycol solution if system was on PH balanced water...
  39. Replies
    17
    Views
    1,641

    I have to question, if system design is 55deg...

    I have to question, if system design is 55deg supply air with 39deg chill water and 23deg coil rise, the numbers don't add up.

    The change to glycol solution if system was on PH balanced water...
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