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Type: Posts; User: chiller-thriller

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  1. Replies
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    Cool pix. How did the flange change out go? Gotta...

    Cool pix. How did the flange change out go? Gotta love tight spaces.
  2. Replies
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    1,104

    rtac isolation valves

    if you overtorque (100 ft/lbs,criss-cross), it will leak from the stem, once you have, its too late
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    1,326

    cvhe overload

    Had one once, PNL695, would trip overload, almost everyday, would go, reset, start up, test equipment out, nothing. Then, one day, I was there 45 minutes instead of 30, just packed up, walking away,...
  4. back ward condenser fan

    Does the fan go the right direction when it starts alone or simultaneously with the other fan? If so, then your condenser is plugged between the layers. You need to remove the top, and split the...
  5. Replies
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    3,805

    Tube sheet erosion

    Belzona has metal replacing products and procedures to fix that. Not cheap, lots of prep. Have not tried it, procedures require grit-blasting.
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    6,613

    vane pulling tool

    Here's a puller we made last winter, worked great. Just what you need, another piece of steel to carry upstairs, worth it, some of those gummed up ones can be tough.
  7. Thread: CH531

    by chiller-thriller
    Replies
    16
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    2,108

    Is your control transformer fed from phases A and...

    Is your control transformer fed from phases A and B. This will generate a momentary power loss diagnostic.
  8. Replies
    24
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    2,748

    motor terminals

    have you checked the motor terminal connections, if they're loose or making poor contact, these kind of trips will occur.
  9. Replies
    7
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    2,964

    locked up purge unit

    What does that mean? Can you fix it? Does the customer plan to do with the chiller? keep it? scrap it? The new Earthwise purge puts recovered refrigerant back into the chiller, pretty cool.
  10. Replies
    17
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    2,378

    windmilling fans

    Have you tried cleaning your condensers? Think about it(been through it). If you have a plugged condenser (split condenser), idle fans windmill more quickly as running fans try to do the work.
  11. Replies
    19
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    1,997

    rtaa phase imbalance shutdowns

    Have you checked the motor terminal connections? Are the contactors ok? Poor contact in the motor's power supply will cause these shutdowns. Look for discolored copper and/or carbonand clean it up.
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    671

    Thanks jayguy, you know, as I typed it I knew...

    Thanks jayguy, you know, as I typed it I knew that was the answer, besides like you say, he can carry up the nitrogen. Thanks, again.
  13. Replies
    4
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    671

    One of our guys recently found a leak; recovered...

    One of our guys recently found a leak; recovered the gas (134a); made repair; had vacuum below 900 microns; then after a vac pump oil change; introduced a couple 3/8 hoses of air(between pump and...
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    578

    We have a Trane Evacupak, we bought it many years...

    We have a Trane Evacupak, we bought it many years ago. We've rebuilt the pump a couple times, its big and bulky, but with the proper know-how, it works well. What are you guys using?
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    http://i144.photobucket.com/albums/r182/Robdupuis/...

    http://i144.photobucket.com/albums/r182/Robdupuis/RamadaMarlborough090606002.jpg

    http://i144.photobucket.com/albums/r182/Robdupuis/RamadaMarlborough090606001.jpg
    ...
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    660

    What do you like to do with your time off? ...

    What do you like to do with your time off? http://img443.imageshack.us/img443/8348/lfcp101406001gw5.jpgThis is my Happy...
  17. Replies
    8
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    935

    posting multiple pictures

    Okay, I've uploaded some pictures, tried a couple times, somehow the picture size changes, the text isn't right, how do I do this?
  18. Replies
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    935

    multiple pictures

    I'm okay with one picture, but how do you post a series of pics? I can't seem to work this out.
  19. Replies
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    13,960

    Trane rooftop units

    There are manuals available explaining controls, with tables for temp sensor resistance/dc volts, etc to help you troubleshoot. We sell them in our parts store here, I don't know where else. The ones...
  20. Replies
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    2,426

    rtaa low oil flow

    check your sensors, faulty evap temp sensors, comp suct refrig temp sensor did that to me a couple weeks ago, on a new compressor we'd just installed.
  21. Replies
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    44,690

    Winnipeg, Manitoba, Canada ...

    Winnipeg, Manitoba, Canada I've been with the local Trane dealer over 18 years, learned a lot from a couple of good guys. We work on it all up here, but I love low...
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    8
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    1,017

    rtaa staging

    If the unit is set for balanced starts and hours, the compressor with the least starts will be lead, the unit controls need to see the compressor load past 60% to count a start. If the unit is...
  23. Replies
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    2,473

    low pressure vs high pressure

    I love this topic, was thinking of asking the same question, but it would have come out a little different. What the %$@# has everyone got against low pressure refrigeration and refrigerants? There's...
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    9,509

    condenser approach

    Wouldn't 0 be the optimum approach, as the function of the condenser is to give up the heat? Any temp difference between refrigerant and leaving water would be heat left in the refrigerant. Tube...
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    705

    The refrigerant is counter-flowing through the...

    The refrigerant is counter-flowing through the co-axial condensers, discharge gas enters the condensers where the water is leaving.
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