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Type: Posts; User: milkyway

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  1. Replies
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    IFM

    IFM
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    Makes no since to me to rebuild a screw ..

    Makes no since to me to rebuild a screw ..
  3. what r u looking for ?

    what r u looking for ?
  4. That sounds like a tricky one - so u want all the...

    That sounds like a tricky one - so u want all the boxes to open 100-% during warm up ? Being here in FLA , we are not to concern about warming up , do the boxes have heat or is the heat in the RTU ?...
  5. How many VAVs?. I believe jace is a protocol and...

    How many VAVs?. I believe jace is a protocol and not an application- what application or front end is controlling everything?
    Are there any graphics ?
  6. My mistake- I said rear bearing, the rear...

    My mistake- I said rear bearing, the rear bearings are the 2 bearings - I was referring to the shaft end front bearing.
    Yes I ordered the 2 rear bearings .
  7. I ordered 1 - motor shop didn’t give me any...

    I ordered 1 - motor shop didn’t give me any tolerance but said it needed to be perfect.
    As you said - not too expensive-
  8. My apologies- In the diagram I previously...

    My apologies-
    In the diagram I previously posted in this thread.
    However I am referring to the rear bearing on the motor.
  9. So - motor repair shop said that ( # 4 , the...

    So - motor repair shop said that ( # 4 , the diagram I previously posted ) in the diagram is slightly
    Oval. He requested a new one - have any of you experienced this ?
  10. 822994822995822993Here are a few photos Well,...

    822994822995822993Here are a few photos

    Well, I’m trying to add photos of the tear down and motor disassembled.

    Motor tested good and everything looks great inside.
    I don’t know what I did...
  11. I don’t want to talk to much about #’s here in...

    I don’t want to talk to much about #’s here in the forum , if I sent to trane for a reman , it’s a 2/3 more on the cost. If the customer only wants a dip and bake then that’s what he gets if that...
  12. Trigger, I would Much rather put in a...

    Trigger, I would
    Much rather put in a Remanufactured motor that comes from the factory. Our office is purchasing the bearings and we will provide to the motor shop. I am concerned that even tho the...
  13. The owner only wants a dip and bake- so they...

    The owner only wants a dip and bake- so they don’t want a trane Remanufacture, the owners are doing this part of the 10 year PM and well due to leaks -
    So , new purge, gaskets , bearings , oil...
  14. So I have a question, when a motor is pulled ,...

    So I have a question, when a motor is pulled , and to be reworked/ well to be dipped and baked, inside cleaned and new bearings , What all replacement items are needed ? I have ordered the bearing...
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    Learning a ton from this thread- even tho it’s 15...

    Learning a ton from this thread- even tho it’s 15 years old
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    Here is another question , how does one or myself...

    Here is another question , how does one or myself find out what protocol and baud rate a system
    Currently is or has ?

    I’m looking at the BCU and I see where the wires are going thru the...
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    Chiller front end parameters

    So , went to a site today, Carrier 30HXC W Summit complete building controls-
    Client says , I can’t see all the operating parameters of the chiller , DP, oil pressure , TXV position , RLA ,...
  18. Do u have your own equipment to to a vibration...

    Do u have your own equipment to to a vibration test ? Or do I sub it out ? What equipment do U use
  19. Replies
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    I was wondering why in all the shop training they...

    I was wondering why in all the shop training they never touched on it - that’s why I asked -
  20. Replies
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    Well know I know not to ask a ludicrous question...

    Well know I know not to ask a ludicrous question - thanks trigger, just cuz someone else pooped in ur Cheerios , don’t get all upset w the milk. I did learn a few things from this ridiculous stupid...
  21. Thread: AC situation

    by milkyway
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    What is the model and serial of the unit - ...

    What is the model and serial of the unit -
    Split system or pkg
    What’s the issue
  22. Replies
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    Jay, can I get that SB 😇🙏🏻

    Jay, can I get that SB 😇🙏🏻
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    So when performing an air run , the tech should...

    So when performing an air run , the tech should mechanically lock the vanes ? Disconnect from the actuator and use a pair of vise grips lol ? 🤐😬🤔. Actual Question .
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    Obviously this guy does not trim charges...

    Obviously this guy does not trim charges regularly.....and your talking about superheat, subcooling, fans and what not related to air cooled equipment.

    Nope , do not trim the charge on the...
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    Thanks guys- so DSH, should I just depend on the...

    Thanks guys- so DSH, should I just depend on the display or should I take my own readings , if so , where do you take your readings? I understand and take into account load, speed, vane position,...
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    I always look at approach temps. I understand...

    I always look at approach temps. I understand that the higher the spread on the approach means not a good heat transfer,
    I normally think of dirty tubes “ condenser side “ .
    We have a 770 that...
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    CVHF- superheat/subcool

    Good morning-

    How does one actually tell if a machine is properly charged other than pulling the gas and weighing it back in ? I would think by using the superheat subcool method . I would also...
  28. Thread: Manuals

    by milkyway
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    google rtaa rtac cvhe cvhf 30xa

    google

    rtaa

    rtac
    cvhe
    cvhf
    30xa
  29. Replies
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    Wow - low voltage comm wires can take out 3...

    Wow - low voltage comm wires can take out 3 machines ? What the hell is N/O - H1&2- other than a nightmare
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    Come on - this whole r11 flush IMO is a joke - it...

    Come on - this whole r11 flush IMO is a joke - it boils off almost as soon as u release it.
    And if there is a 50’ line set , do u really think that your going to clean all the copper piping??
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    OMG !!! Thank you !! Hold on , are we talking...

    OMG !!! Thank you !!

    Hold on , are we talking about an RTU
    Don’t get Terry on the temperature and pressure on a flatbed thing.


    Jk
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    Lol - That notebook you just posted, it’s too...

    Lol -
    That notebook you just posted, it’s too much for me to digest at the moment. We can agree temperature and pressure are related.
    I’m not trying to get in all of the physics of things. ...
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    🤦🏻*♂️ Ok man

    🤦🏻*♂️
    Ok man
  34. Replies
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    I have seen those leaks as well on the train...

    I have seen those leaks as well on the train RTHC.
    After about eight or 10 years yes they will pit and create leaks. I change them over to copper at that time.
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    Questions for you. 1. Where is the refrig to...

    Questions for you.
    1. Where is the refrig to migrate ?
    2. Will the refrigerant be all vapor or all liquid?
    3. Will the refrigerant even migrate ?
    4. Why are there heaters on the compressor ?...
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    It migrates there. Why does it have heaters on...

    It migrates there.
    Why does it have heaters on the compressor? I promise you it’s not just to keep the compressor all nice and cozy and warm.
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    No - the reason they want the machine on for 24...

    No - the reason they want the machine on for 24 hours prior to starting is because they don’t want liquid refrigerant in the compressor . Refrigerant will sit in a liquid state in the compressor,...
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    Refrigerant migrate to the coldest location. It...

    Refrigerant migrate to the coldest location. It would like to stay a liquid rather than paper. Oil migrates do you to the lack of velocity or flow. Well can get either logged in the condenser or...
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    Oil educator not working properly, Low loads -...

    Oil educator not working properly,
    Low loads - would be some of the reasons why oil would migrate. I’m no expert on the oil educator . Oil audit ? An oil analyst? What did the analysis
    Say ?
  40. that sounds tough .no sight glass ?? who makes...

    that sounds tough .no sight glass ?? who makes that shit . bubbles are no help?
  41. Thread: Time

    by milkyway
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    Ok. First of all whoever gives the price for the...

    Ok. First of all whoever gives the price for the maintaince or overhaul should quote it correctly,

    What I mean by that is , is this an annual maintaince or quarterly, if quarterly , 4-6 hours ,...
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    Good read !!!

    Good read !!!
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    wow

    wow
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    its no fun with out the whole manual!!...

    its no fun with out the whole manual!!
    :eek2::pop::bhave:
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    that's cheaper than trane parts lol

    that's cheaper than trane parts lol
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    that's funny . wonder if they listened

    that's funny .
    wonder if they listened
  47. Replies
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    if you don't know already but never add oil to a...

    if you don't know already but never add oil to a machine that does not need it.
    how do u know if u need oil??
    is there a major oil leak and several gallons on the floor.?
    other than that , don't...
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    how much weight do u usually add?

    how much weight do u usually add?
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    Personally, I think the install Looks GREAT!!!! ...

    Personally, I think the install Looks GREAT!!!!

    I also agree with flanges being as reasonable placed.
    It would take a little more thinking and decision making but it could be done.

    It doesn't...
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    Gas her up , give estimate on repair. . Complete...

    Gas her up , give estimate on repair. . Complete repair . Move on to the next.
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