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  1. Replies
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    Trane RTHC panel upgrade from UCP@

    Itís not really a big secret, Iím sure a lot of guys here have done panels on centrifugals.


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  2. Replies
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    If upgrading it needs to be upgraded to UC800....

    If upgrading it needs to be upgraded to UC800. Get your with your local Trane office for assistance.


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  3. Replies
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    I did a chiller over a weekend. 1 day to recover,...

    I did a chiller over a weekend. 1 day to recover, install, leak check and evacuate. Next day to re-charge and check operation.


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    Start disconnecting each llid 1 by 1 until you...

    Start disconnecting each llid 1 by 1 until you see your sensors come back online. It would be a good idea to replace the ribbon cable anyway.


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    https://uploads.tapatalk-cdn.com/20190629/2821c148...

    https://uploads.tapatalk-cdn.com/20190629/2821c1489ce457886cfabd02eedb73a2.jpg

    Are these the parameters your looking for? They are under the configuration tab.



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    yeah Trane did a good job on putting these retros...

    yeah Trane did a good job on putting these retros together. Does get a bit confusing when you do a 4 compressor chiller but overall once you do 1, the next are a cake walk
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    953

    The software update is pretty easy. Just make...

    The software update is pretty easy. Just make sure you choose the correct product (RTA). Me and a co worker did a VFD retro on a 2 compressor RTAC and it took about 6 hours. You'll need to bind 2...
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    In my town Trane used to rep them, I think they...

    In my town Trane used to rep them, I think they still do in some locations. Good luck with there tech support.


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  9. Replies
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    Just google for the IOM. The default setting for...

    Just google for the IOM. The default setting for compressors overload is 0. Check all your configuration settings. Sometimes when the chiller module is going bad it will lose all configuration...
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    Trane RTAE chiller running in hand

    I donít really understand your question but Iíll give it a shot. If your chiller was operating under BAS controls and they were to fail. You would need to change the chiller setpoint source to front...
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    Iíve only worked on water cooled machines....

    Iíve only worked on water cooled machines. Thought they all used the same compressor.


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  12. Replies
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    Have you replaced the internal oil filter max...

    Have you replaced the internal oil filter max psid should be 25. I had the exact same problem on a 30HXC, ended up replacing the oil solenoid and internal filter. Good luck.
  13. So the unit will be used as a VAV unit? Not...

    So the unit will be used as a VAV unit?

    Not saying it cant be done but ive never seen a newer Trane VAV unit with a conventional thermostat. You will need a simple Trane zone sensor installed on...
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    Google for the IOM and make sure you have the...

    Google for the IOM and make sure you have the complete model number. In the front pages of the book youíll find the model number breakdown.


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  15. Replies
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    Itís just a normal high pressure switch. Techview...

    Itís just a normal high pressure switch. Techview is not needed.


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  16. Thread: Yorkasaurous

    by manny238
    Replies
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    2,086

    Thatís a nice mechanical room Sent from my...

    Thatís a nice mechanical room


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  17. Replies
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    Trane VRF heat question

    That's a heat pump unit. How many heads do you have on the system. Have you tried putting all thermostats in heat mode.


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  18. Thread: Help! - LRA

    by manny238
    Replies
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    637

    X3. Better get it done quick, the Arizona heat is...

    X3. Better get it done quick, the Arizona heat is coming. Suppose to hit 100 next week.


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  19. Replies
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    Yes you should, the only thing is I'm not sure if...

    Yes you should, the only thing is I'm not sure if the firmware to flash a 400 is in the controls or chiller TU version. Make sure to flash as a BCI-C.
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    If it's a RTAE you can bind from the front panel....

    If it's a RTAE you can bind from the front panel. you just need the passcode.


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  21. Replies
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    The UC400 can be flashed over as a BCI-I. ...

    The UC400 can be flashed over as a BCI-I.


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    Nice. Sent from my iPhone using Tapatalk

    Nice.


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  23. Replies
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    I see....did you happen to try to pump it down...

    I see....did you happen to try to pump it down once before I think the CH530 only lets you do so many pump downs.


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    1,653

    Did you lockout the circuit you are trying to...

    Did you lockout the circuit you are trying to pump down?


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    That looks like a clean install. Nice job. ...

    That looks like a clean install. Nice job.


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  26. Thread: RTU with ERV

    by manny238
    Replies
    21
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    3,768

    Trane has a ERV that mounts to the back of a...

    Trane has a ERV that mounts to the back of a unit. I've started up several Precedent units with them installed a for hospital. They look pretty sharp.


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    Yup what he said. Sent from my iPhone...

    Yup what he said.


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  28. Replies
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    Are u just trying to bind the LLID card or are...

    Are u just trying to bind the LLID card or are trying to configure the card for different relay options?


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    Wow. Lol Sent from my iPhone using Tapatalk

    Wow. Lol


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    That's the norm in Mesa, Arizona. There is a old...

    That's the norm in Mesa, Arizona. There is a old folks development where they have nothing but that on the roofs.


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  31. Replies
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    Yeah it's still available. If your local Trane...

    Yeah it's still available. If your local Trane office doesn't have it im sure you can find one on the Internet.


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  32. Replies
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    EXV% usually around 40-50% at full load...

    EXV% usually around 40-50% at full load conditions. Can you post a full log, there isnt enough info. Would be a good idea to get your design data, without that your pissing in the wind.
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    Rthc and big guys out of the area.

    What was your EXV% and liquid level after you added refer.


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  34. Thread: TRANE CGAD

    by manny238
    Replies
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    1,654

    TRANE CGAD

    I dont know if you work for Trane or not but check the comfortsite to see if the config is backed up.


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  35. Replies
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    What are your current/pressure readings? If your...

    What are your current/pressure readings? If your lead compressor fails on your circuit your lag compressor will not fire up. Need more info. Could be aux on contactors, high head pressure, winding...
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    Lead Compressor contactor aux switch. Check NO...

    Lead Compressor contactor aux switch. Check NO contacts


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  37. Replies
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    What download are you looking for ? There is no...

    What download are you looking for ? There is no other tool that will work on Trane VRF.


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  38. Replies
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    Are all your units communicating correctly. If...

    Are all your units communicating correctly. If you have any faults the fan will come on then shut off within minutes.


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  39. Thread: Trane cgam

    by manny238
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    973

    It would be good idea just to back up the old...

    It would be good idea just to back up the old config. Just in case something happens.


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  40. Replies
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    Nice!

    Nice!
  41. Replies
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    Gotcha just read that.

    Gotcha just read that.
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    Wow. I've never seen anything that bad.

    Wow. I've never seen anything that bad.
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    So you do have 24vdc to the new transducer ?

    So you do have 24vdc to the new transducer ?
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    When in binding view click on hi pressure...

    When in binding view click on hi pressure transducer and see if LED lights up on transducer or like nyrb stated make sure you have 24vdc.
    Good luck


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  45. Thread: VRF

    by manny238
    Replies
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    23,972

    Well said

    Well said
  46. Replies
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    1,492

    Is this a condenser motor VFD fault or a AFD...

    Is this a condenser motor VFD fault or a AFD fault?


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  47. Replies
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    Carrier 30hxc206rz-661ka : oil problems.

    Yes the manual for this chiller gives a lot of information on troubleshooting oil loss problems. If possible try to pump down both circuits if you can get it to stay online. You will need to put it...
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    Cut the o ring to size and superglue it together....

    Cut the o ring to size and superglue it together. Let it sit for about 10 mins and your good to go. O


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    Nice. Sent from my iPhone using Tapatalk

    Nice.


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  50. Replies
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    Trane intellipack help

    Usually a circuit failure alarm is high pressure trip, circuit breaker aux open or lead compressor aux switch is failing. Most of the time it's the contactor aux switch. Take a good look at your...
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