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  1. Replies
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    They donít want to replace a 40 year old Air...

    They donít want to replace a 40 year old
    Air cooled chiller?....seriously.....


    Whatever you do, make as much money as you possibly can.....that decision is retarded.
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    THIS^^^^ One thing Iíve learned Iíve the years...

    THIS^^^^

    One thing Iíve learned Iíve the years is that people
    Tend to respect you more for admitting you donít know, rather than attempting to BS them.....even if you can Actually BS them.
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    Please, Oh great master, share your ancient...

    Please, Oh great master, share your ancient wisdom!!


    ::DD:::DD:::DD:
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    with phones these days, how is it even possible...

    with phones these days, how is it even possible to take a blurry pic?
  5. Replies
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    I may do one.....never seem to very motivated...

    I may do one.....never seem to very motivated with my own stuff! LOL! when I bought my house (built in 1925), the windows were so bad, the mostly closed bedroom door would knock against the frame as...
  6. Thread: Trane RTAA

    by 71CHOPS
    Replies
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    6,080

    instead of reviving a 10 year old thread with a...

    instead of reviving a 10 year old thread with a topic that is completely unrelated to your question, start a new thread for your issue. you will have a better chance of getting an answer.
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    years ago, my BRoinlaw was working on a large...

    years ago, my BRoinlaw was working on a large process chiller....held like 3,000 lbs. it was late, and dark, had the forktruck guy bring him a 500lb cylinder. he said it took him about 10-15...
  8. Thread: Carrier QC

    by 71CHOPS
    Replies
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    1,925

    I worked at a plant for a huge multinational...

    I worked at a plant for a huge multinational corporation. they were informed that the electrical connection boxes on motors were no longer peckerheads, they are now pumpkinheads!
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    subcooler is the best thing you can have for...

    subcooler is the best thing you can have for recovery. I bought a 3/4 ton cupra nickle water cooled condenser from United, then installed garden hose fittings for the water side and 1/2" flares...
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    If you were in the states, Iíd loan you one. But...

    If you were in the states, Iíd loan you one. But being down under, youíll prolly have the job done before it even arrives! LOL!
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    See if your friendly local JCI branch will let...

    See if your friendly local JCI branch will let you borrow one. Or if you know any chiller guys, see if theyíve got one on their truck you could use.

    Which part is it...the Teflon ring?
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    Youíre gonna have to turn into Sherlock Holmes. ...

    Youíre gonna have to turn into Sherlock Holmes. Do they have primary secondary loops? Was the loop converted to variable pressure secondary from a constant pressure? 2 way valves? 3 way?
    ...
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    I always love when they say ďweíve had zero...

    I always love when they say ďweíve had zero problems, everything is running great!Ē

    When you know full well, the sh!t is gonna hit the fan when they actually need the machines, and havenít...
  14. I bought a natural gas leak sniffer, but I donít...

    I bought a natural gas leak sniffer, but I donít think it works very well....

    If you use nitrogen with R22 as a trace gas, I suppose you could technically say that is legal according to the...
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    Iíve tried it with a few tanks, they donít fill...

    Iíve tried it with a few tanks, they donít fill evenly. Iíve also done the opposite and connected as many as 4 virgin 30lb tanks all together. They donít empty evenly. Sometimes one will empty...
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    Yup, 35 is small, plates are cheap compared to a...

    Yup, 35 is small, plates are cheap compared to a new compressor.
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    Good job! I just did a horrible one. 30 year old...

    Good job! I just did a horrible one. 30 year old AHU. 2+Ē shaft with two 27Ē air foil wheels. Had to cut everything off with grinder except the sheaves. Wheels ended up in many pieces, shaft...
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    Just cut out the housing, then patch it back...

    Just cut out the housing, then patch it back together. Be smart about the patch, bolts or welding, be careful relying on sheet metal screws of any size. Unless you make the patch larger than the...
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    Canít really tell by the pic there. Is the pic...

    Canít really tell by the pic there. Is the pic with the puller attempting to remove the blower wheel? Not sure since youíre clamped around the shaft and also pushing on the shaft.....

    If youíre...
  20. Sounds like a piping design issue with the coil. ...

    Sounds like a piping design issue with the coil.

    I would weigh in factory charge, and let it go. If you have a solid column or liquid at the metering device, you should be fine.
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    yeah, I've been having a hard time finding them. ...

    yeah, I've been having a hard time finding them. people tell me Walmart sells that size, but I don't know.
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    Hmm, Iíve used 19 successfully.....Iíll try a 17.

    Hmm, Iíve used 19 successfully.....Iíll try a 17.
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    that's funny.....you guys motivated me to finally...

    that's funny.....you guys motivated me to finally turn the heat on today. the Ol' girl fired right off! Woohoo!! hopefully get another year out of her!

    I've been kicking around the idea of...
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    none of us like to be a "parts changer".....but...

    none of us like to be a "parts changer".....but the reality is that sometimes the troubleshooting process isn't identifying the problem, and fixing it.....in some cases it's a process of eliminating...
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    1/4" tube brush, or a 19 caliber gun cleaning...

    1/4" tube brush, or a 19 caliber gun cleaning brush. if it's real bad, pull the inlet head also.
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    there's not much left to check. lemme see if...

    there's not much left to check. lemme see if I've got this correct:

    you've changed the compressor, the filter drier, the HGBP valve (which may actually be liquid injection), installed a shutoff...
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    I was just throwing it out there since he's...

    I was just throwing it out there since he's changed everything else! LOL!!
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    if you look at that manual RunDawg posted a pic...

    if you look at that manual RunDawg posted a pic of (RT-SVX34P-EN)...page 63-64-65 describes (in detail) the condenser fan staging. the pages before explain the compressor staging with and without...
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    I would change the cap tube assembly, and any...

    I would change the cap tube assembly, and any filter driers. Also clean any screens.
  30. Replies
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    Did you change the TXV?

    Did you change the TXV?
  31. Replies
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    Are you sure that model number is correct? I...

    Are you sure that model number is correct? I can't find any trane literature that lists a TEF.
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    there's only a few possible causes. water...

    there's only a few possible causes.

    water pressure regulating valve failing.

    make up water bypass valve bleeding by.

    expansion tank bladder busted and/or tank water logged....as water...
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    the first thing I do to air dryers having...

    the first thing I do to air dryers having problems is clean the coils. they may not look bad, but they usually are dirty.

    Is your hot gas bypass bleeding through when it shouldn't be? or running...
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    One thing to keep in mind about motor selection...

    One thing to keep in mind about motor selection is that no manufacturer can lie about amp draw. They can rate HP, wattage, etc. at whatever they want. But when it comes to amp draw, they legally...
  35. Thread: Screw Vs Other

    by 71CHOPS
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    355

    I dunno, is there anything in a scroll compressor...

    I dunno, is there anything in a scroll compressor that is vastly different from any other compressor......other than how it compresses refrigerant?

    or how about a recip?

    I don't understand...
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    you can't check the level unless the chiller is...

    you can't check the level unless the chiller is running 100% loaded for about 20 minutes or so.

    34% should be in the glass. if you're reading low levels and you have liquid in the glass, you may...
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    If I was gonna quit, that would be my resignation...

    If I was gonna quit, that would be my resignation letter!::DD:
  38. Replies
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    As with our previous GURU, it was a long time...

    As with our previous GURU, it was a long time coming......I hope he returns with a new outlook.
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    we've been installing Rheem for the last year or...

    we've been installing Rheem for the last year or so, they seem to be pretty good units. our guys just did 2 25 ton RTU's.....we'll see how they do. we've done several smaller RTU's, splits, etc. ...
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    that is the indoor unit model number.....outdoor...

    that is the indoor unit model number.....outdoor would be a TWA or TTA. neither of those units show a P66 (or any) speed control in the wiring diagram, only an optional ON/OFF fan control with the...
  41. we had a similar discussion at our last safety...

    we had a similar discussion at our last safety meeting. between the individual skills each of us possess, our company can tackle pretty much any task.

    the knowledge base here is limitless.
  42. Replies
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    I just realized you have another chiller thread...

    I just realized you have another chiller thread going in this forum.......is this problem with the same chiller that you are asking about the orifice size?
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    you have a restriction. the gauge jumping and...

    you have a restriction. the gauge jumping and then coming down is refrigerant boiling off. the head pressure is low because you're stacking refrigerant on the high side, and it's being cooled by...
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    His last activity was over 3 years ago, but he...

    His last activity was over 3 years ago, but he does have an email in his bio. Might shoot him a message.
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    I would guess the charge at around 25 lbs. if...

    I would guess the charge at around 25 lbs. if youíre going into a vacuum, you definitely have a restriction. wether itís a solenoid, txv, etc...
  46. Thread: Weird readings

    by 71CHOPS
    Replies
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    1,231

    Always good practice to remove all the wires,...

    Always good practice to remove all the wires, then discharge and test. Youíre reading was likely off because the wires were still connected. Although, Iíve seen motors with caps very low that...
  47. You canít just use a single measurement, you have...

    You canít just use a single measurement, you have to take everything into account. Centrifugals, I pay more attention to discharge SH, along with approach. Etc.

    Iíve never used subcooling or...
  48. Thread: Some Oldies

    by 71CHOPS
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    that stuff drives me crazy.....you're getting...

    that stuff drives me crazy.....you're getting paid to pull the covers and trace wires.....you can also get paid to put them all back!

    just had to clean up a simple 4x4 electrical box last week. ...
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    when you post a question on this board, you're...

    when you post a question on this board, you're going to get people that think from all different perspectives, and angles.....not just your specific question you wanted answered.

    Asking people to...
  50. it would also freeze the pipe, which could help...

    it would also freeze the pipe, which could help you trace it though the walls with a FLIR.

    airgas, and other suppliers have CO2 bottles with dip tubes, but you have to specify you want one with...
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