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  1. Thread: Trane VCEF VAV

    by gravity
    Replies
    4
    Views
    97

    I checked with damper closed and seperatly on...

    I checked with damper closed and seperatly on both + -.

    Read +1.4"w.c. on both

    There is a transducer and a air proving switch. The air proving switch was reading 1.4 when the damper was...
  2. Thread: Trane VCEF VAV

    by gravity
    Replies
    4
    Views
    97

    Trane VCEF VAV

    I have a VCEF box. Straight thru box with SCR heater.

    It has a air proving switch wired in series with the SCR. on no flow the switch wont allow heater to operate.

    I closed the damper 100% and...
  3. Replies
    2
    Views
    152

    Splash some alcohol on the sensor. Then hook ot...

    Splash some alcohol on the sensor. Then hook ot directly to pump and pull vacuum. Once pulled under 100. Unscrew the micron gauge and make sure it rises to atmosphere
  4. Seems like a typical ac. You would typically...

    Seems like a typical ac.

    You would typically unload right around 58psi r22.

    As you unload, velocity decreases and oil return becomes a problem. This is why you need a double suction riser.
    ...
  5. Replies
    23
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    536

    I have an h10, tif zx 1, and amprobe uld-300...

    I have an h10, tif zx 1, and amprobe uld-300 ultrasonic.

    The h10 is awesome

    The tif zx1 is very impressive

    The ultrasonic seems to be the best


    Sent from my iPhone using Tapatalk
  6. Replies
    19
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    954

    Seems like a venting problem. Won't know for sure...

    Seems like a venting problem. Won't know for sure unless you get a real analyzer on it.

    Have you checked the pressure on intake and exhaust with a manometer?



    Sent from my iPhone using...
  7. Replies
    19
    Views
    954

    By code....anything over 400 CO air free needs to...

    By code....anything over 400 CO air free needs to be shutdown and fixed.

    You're at 400 CO. so airfree you're probably 800-1000


    Sent from my iPhone using Tapatalk
  8. Replies
    15
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    588

    Liebert uses them on their XD units. Sent...

    Liebert uses them on their XD units.


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  9. Replies
    3
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    129

    I would concur with that. Pretty straight...

    I would concur with that.

    Pretty straight forward.

    Cut the tubes at the header. Leaves some room to grab it with needle nose. Unsweat the stubs and crimp the cap tubes in.

    You'll need some...
  10. That's how all the heat boards are in older...

    That's how all the heat boards are in older voyages. The 2 terminals to check flame current are always on the bottom.

    The transformer thing seems odd to me


    Sent from my iPhone using Tapatalk
  11. Replies
    13
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    706

    Either a cambridge unit which is cheaper. Im a...

    Either a cambridge unit which is cheaper.

    Im a fan of air rotation units. 1 or 2 could do an entire warehouse and it would be an even heat
  12. Replies
    2
    Views
    205

    Thank you. Yes, they are VCEF. Sent from my...

    Thank you. Yes, they are VCEF.


    Sent from my iPhone using Tapatalk
  13. Replies
    2
    Views
    205

    Vav on intellipak

    I have 2 strait thru Trane vav with 4kw heater. They are from 2011.

    They both trip the temp limit. They both have static transducers and pressure switch which kills the heater.

    Each box has 2...
  14. Replies
    8
    Views
    268

    I have the amprobe uld 300 with the transmitter. ...

    I have the amprobe uld 300 with the transmitter.

    I can find leaks across the room with it. It will suit your needs very well.

    We have some guys who have the inficon. They say it works ok. I...
  15. Replies
    20
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    764

    The small little hotdog looking thing on the 3/8...

    The small little hotdog looking thing on the 3/8 line next to the fat line. Its more of a strainer. Not a filter
  16. Replies
    20
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    764

    Rather than replacing the orifice header, I like...

    Rather than replacing the orifice header, I like to get a txv and distributor. Snip the orifices and stub a cap tube in there.

    Sent from my iPad using Forum Runner
  17. Ak900 with yj titan 2 manifold. I like the wrap...

    Ak900 with yj titan 2 manifold. I like the wrap around strap sensors
  18. Its gotta be the ignitor Sent from my iPhone...

    Its gotta be the ignitor

    Sent from my iPhone using Forum Runner
  19. Replies
    47
    Views
    1,467

    You can grind down a wrench. The wrench above...

    You can grind down a wrench.

    The wrench above is for smaller valves powerheads. It will not work on larger valves

    Sent from my iPhone using Forum Runner
  20. Replies
    47
    Views
    1,467

    Just realized this is not pro section. Can...

    Just realized this is not pro section.

    Can someone move it to pro.


    Sent from my iPhone using Tapatalk
  21. Replies
    47
    Views
    1,467

    If there is a LLSV right next to the txv, i have...

    If there is a LLSV right next to the txv, i have done it on the fly. If there isnt one....you will most likely dump the charge once you goto screw the new one on.

    Now....you could recover gas...
  22. Replies
    19
    Views
    687

    Check your pressure switches. Make sure none of...

    Check your pressure switches. Make sure none of the wires are pinched to the cabinet or rubbed thru on the copper lines


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  23. Replies
    11
    Views
    680

    With high efficiency condensing boilers, they...

    With high efficiency condensing boilers, they need to be broke down and cleaned every year. This probably has something to do with all the failures,

    Sent from my iPad using Forum Runner
  24. Thread: tapatalk rant

    by gravity
    Replies
    1
    Views
    185

    I can't agree more my friend, I just bought a new...

    I can't agree more my friend, I just bought a new app "forum runner" for 1.99. It's just like the old tapatalk.

    They really screwed up. I couldn't navigate it that we'll either and I'm pretty...
  25. Replies
    110
    Views
    3,123

    I've been vaping for about 20 months now with no...

    I've been vaping for about 20 months now with no cigs.

    I can smell better, taste food better, run without being winded, feel better, no more phlegm when I wake up, and no more stinking of cigs.
    ...
  26. Replies
    19
    Views
    687

    You need to ohm out your defrost board, r/v, and...

    You need to ohm out your defrost board, r/v, and any sensors or safety's. You also need to ohm the wires for the OD sensor.

    I once had the 2 wires for the outdoor sensor shorted in the cable. It...
  27. Thread: Slant Fin

    by gravity
    Replies
    33
    Views
    2,200

    No. And you also put the damper in, which im...

    No.

    And you also put the damper in, which im not a fan of.


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  28. Replies
    47
    Views
    1,467

    Go buy some and play with it. Takes about...

    Go buy some and play with it.

    Takes about 500* to flow. No need for nitrogen purge because it wont oxidize.

    Good for copper to copper. Copper to steel. Copper to brass.

    I use the liquid...
  29. Replies
    47
    Views
    1,467

    I do it on a lot of them if i can get the same...

    I do it on a lot of them if i can get the same valve.

    If its a different valve, i use staybright 8. Keeps from overheating them.


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  30. Replies
    6
    Views
    999

    Thats just lovely. Centrifugal?....its suppose to...

    Thats just lovely. Centrifugal?....its suppose to run in s vacuum.

    :whistle:


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  31. Thread: Slant Fin

    by gravity
    Replies
    33
    Views
    2,200

    A barometric will set the draft at all times. It...

    A barometric will set the draft at all times. It also keeps the flue from bringing in too much dilution air which could cause the boiler not to vent


    Sent from my iPhone using Tapatalk
  32. Replies
    6
    Views
    999

    Next....gotta clean the barrels Sent from my...

    Next....gotta clean the barrels


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  33. Replies
    6
    Views
    999

    They had one freaking job Good job...

    They had one freaking job

    Good job investigating. Most guys would have left it.


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  34. Replies
    11
    Views
    1,054

    Its that "automatic heat" Sent from my...

    Its that "automatic heat"


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  35. Thread: Slant Fin

    by gravity
    Replies
    33
    Views
    2,200

    Pump on supply side of boiler with expansion tank...

    Pump on supply side of boiler with expansion tank on suction side of pump. Everything works alot smoother.

    Piping looks good.

    Get rid if that bell diverter and put a barometric damper with s...
  36. Replies
    47
    Views
    1,467

    The bottom will unbolt too. I just swap the guts...

    The bottom will unbolt too. I just swap the guts and powerhead. Havent had a problem yet


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  37. Replies
    6
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    740

    Looks good Sent from my iPhone using Tapatalk

    Looks good


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  38. Thread: Heat pump SOS

    by gravity
    Replies
    14
    Views
    937

    Sounds like a typical rheem/rudd unit. ...

    Sounds like a typical rheem/rudd unit.

    Mismatched equipment
    Airflow problems
    Dirty coils


    Sent from my iPhone using Tapatalk
  39. Make sure it's the correct hp, amps, voltage. ...

    Make sure it's the correct hp, amps, voltage.

    Don't see why it wouldn't work.

    You could put it in manual mode and set freq.

    Good luck


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  40. Replies
    10
    Views
    531

    There is more to the defrost then just the board....

    There is more to the defrost then just the board. There are 2 sensors as well. Coil temp sensor and oat sensor. You can ohm the sensors out and compare them to the chart in the service facts located...
  41. Replies
    17
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    623

    Seems like you have a 3 phase delta panel....

    Seems like you have a 3 phase delta panel. Screwed me up the 1st time I saw it


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  42. Replies
    5
    Views
    247

    I agree. Another tech field modifying the...

    I agree.

    Another tech field modifying the engineers designs. Good work


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  43. Thread: Trane vav box

    by gravity
    Replies
    18
    Views
    676

    Went back today. It was a multispeed motor....

    Went back today.

    It was a multispeed motor. Black, white, brown, and brown white was hooked up. They had the brown wire which was neutral from the terminal block going to the start winding side...
  44. Thread: Trane tracker

    by gravity
    Replies
    8
    Views
    292

    This is what i got from you. Say there are 3...

    This is what i got from you.

    Say there are 3 rtus and 1 varitrac. Your saying rtu1 daisy went to rtu2. Then rtu2 daisy went to varitrac panel and then daisyed to rtu3.

    Hook rtu2 to rtu3,...
  45. Thread: Trane tracker

    by gravity
    Replies
    8
    Views
    292

    I have a tci board in each voyager. So they are...

    I have a tci board in each voyager. So they are all linked. In the tracker, i can see different zones but, not the rtu. If i log in to each tracker with my computer, i can see each rtu thats hooked...
  46. Replies
    14
    Views
    464

    Could be weak inducer, leak in the back of...

    Could be weak inducer, leak in the back of inducer, blocked pipes, blocked h/x, blocked drain line....


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  47. Thread: Trane tracker

    by gravity
    Replies
    8
    Views
    292

    I could see the status of panels and rooftops....

    I could see the status of panels and rooftops. Just didnt know how to change set points. I found a comms wire cut in the ceiling. Im lost on the communication aspect of tranes.

    So i need to find...
  48. Replies
    71
    Views
    2,507

    A hat tip to rooftop guys.

    Its not bad. I wear a hoody with a beanie cap followed by a good pair of overalls(bibs). If its wet out, i put on the carhartt rain gear. Dont usually wear a jacket until it gets better 15 or...
  49. Thread: Trane tracker

    by gravity
    Replies
    8
    Views
    292

    Trane tracker

    Old trane tracker v 3.0 i believe.

    Uses a rj12 to 9pin serial port and hyper terminal.

    I logged in but can only view rtus and varitrac panels. Is there anyway i can change settings?

    I also...
  50. Replies
    12
    Views
    1,048

    Sweet. Id like to see it in person Sent from...

    Sweet. Id like to see it in person


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