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Type: Posts; User: billyp7999

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  1. Replies
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    Views
    415

    24volts a/c versus 24 volts dc

    I have a dumb question can you use 24 volt ac signal to energize a 24 volt dc coil. I have used 24 volt ac on 10vdc actuators and its worked. thank you
  2. Replies
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    390

    Johnson controls training

    Has anyone taken any of there classes and if so what did u think. I have been getting into a lot of control work just no programming and would like to learn that end. Thank you
  3. Thread: Caryle

    by billyp7999
    Replies
    9
    Views
    536

    Is there a way I can diagnose the relief as being...

    Is there a way I can diagnose the relief as being open. I checked the valves on all the heads so it has to be the relief valve. Thank you
  4. Thread: Caryle

    by billyp7999
    Replies
    9
    Views
    536

    With both compressors at 0 psig, and all service...

    With both compressors at 0 psig, and all service valves closed. Suction and discharge. Not running I open the discharge service valve on the one in question and it pressurized both compressors. Why...
  5. Thread: Caryle

    by billyp7999
    Replies
    9
    Views
    536

    Caryle

    I have a new compressor that I recently installed. Model 06et29936 arp. It's running tandem with another compressor in a carrier condensing unit. After installation the compressor the was running...
  6. Thread: Trane guys

    by billyp7999
    Replies
    2
    Views
    544

    Trane guys

    I have a new install. Trane model, sehlf254hlb7a4bd7lg1abw0f, serial,c13k06388. Have a fault of local hi comm loss. Read the book and this means no comm between rta board and the local hi. I...
  7. Replies
    11
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    595

    It's the rollout on the burners, can't find the...

    It's the rollout on the burners, can't find the cause or I wouldn't be asking
  8. Replies
    11
    Views
    595

    New Duane rollout tripping

    Tripping the rollout, every few days. Model a95uh2v090c16s
  9. Replies
    16
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    1,450

    No led flashing, blower motor constantly runs

    No led flashing, blower motor constantly runs
  10. Replies
    16
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    1,450

    Issue I'm having is this unit runs for about 6...

    Issue I'm having is this unit runs for about 6 mins, shuts down discharge air climbs to 70 some degrees and then comes back on like 4 minutes later. Need to maintain a constant discharge air temp. ...
  11. Replies
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    1,450

    How do I get a copy of the reli tel book. Btw...

    How do I get a copy of the reli tel book. Btw the way thanks for all the good links
  12. Replies
    16
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    1,450

    Trane voyager service manual?

    Having a problem with this unit shutting down after min.run time. Model tcd360db40k1bdf
    Serial c12j06250
    Looking for trane service manual. For this unit

    Thank you
  13. Thread: Eng air

    by billyp7999
    Replies
    1
    Views
    396

    Eng air

    Looking for info on a model. Fwb384dj140 serial dk4422mau2
    Thanks
  14. My fault it's a fwb384dj140, unit cools then gets...

    My fault it's a fwb384dj140, unit cools then gets stuck in heat mode?
  15. Eng-a having issues changing heat to cooling

    Having issues intermittent issues with turning from heating to cooling. Customer complains its blowing hot air once in a while and when I arrive it works?

    Any feed back is great
  16. Thread: Lennox rtu

    by billyp7999
    Replies
    1
    Views
    633

    Lennox rtu

    M. Lga120h2bh3y
    S. 5608e15472

    Lockout 93 need help not a Lennox regular. Where is my controlling sensor is that the same as my zone sensor.
  17. Replies
    7
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    1,370

    fire tube boiler, power burner

    fire tube boiler, power burner
  18. Replies
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    1,370

    combustion testing, flame failure

    have done a few combustion tests this year and two out of the ten have had intermittent flame failures my numbers are all good on my combustion test but flame failures once in a while. also in low...
  19. Replies
    0
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    454

    mcquay rtu m. rps040 heat exchanger

    has anyone changed a heat exchanger on this rtu. model: rps040cla serial: 38c0088000. im bidding a job that requires me change 5 of them and wondering if anyone has changed one before and its time...
  20. Replies
    16
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    5,648

    thats low ambient control, brand new to the market

    thats low ambient control, brand new to the market
  21. Thread: Carrier Bas

    by billyp7999
    Replies
    0
    Views
    402

    Carrier Bas

    Looking for opinions on Carriers newer line of their bas systems, just took a class on it from a supplier and curious on peoples opinion. This is the vu/2 not ccn
  22. Replies
    2
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    459

    alerton running so slow BACtalk

    Still learning this system but i have a client in which his control system is running so slow and intermittly. Its a newer install but its so slow everything times out before i can do anything. any...
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    2,228

    i work for a mechanical contractor

    i work for a mechanical contractor
  24. Replies
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    2,228

    thanks for the info, next time im in the school...

    thanks for the info, next time im in the school ill talk to the engineer. Also ill look at these websites for training.
  25. Replies
    8
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    2,228

    Alerton training

    A few of the schools i work in have the Alerton system, now i can navigate through it but i would like some real training. My dealer for alerton does not want me to learn this system for good...
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