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  1. I meant to say that none of the second stage...

    I meant to say that none of the second stage terminal are connected (y2 or W2) at the thermostats, but the y2 and w2 terminals were connected at the rooftop unit.
    That's what I think has changed.
  2. I checked out equipment just as a thunderstorm...

    I checked out equipment just as a thunderstorm came rolling in. I didn't see ecomizer connections at control panel section.
    I did notice someone from my company replaced the thermostats
    And he...
  3. I can definitely set up controls to turn on all...

    I can definitely set up controls to turn on all units at once. Wanted more info on how to plumb the suction and discharge lines at the five ton units.
  4. True, better to install one 10 ton air handler...

    True, better to install one 10 ton air handler but space is very tight to get equipment into mechanical room.
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    Alphato, I always design the ducts for cooling...

    Alphato, I always design the ducts for cooling because it's always harder to cooler than heat space. Also, I try to have oversize ducts whenever I can get the space for bigger ducts. Being say 20%...
  6. This is my first season with this equipment and I...

    This is my first season with this equipment and I don't really work on a lot of trane equipment. Seems like good equipment, though.
  7. Well the thing that changed was that the...

    Well the thing that changed was that the restaurant chain i work with bought the lease to this building and an existing equipment. So I don't know what the previous owners or the last HVAC Co. were...
  8. Ok thanks Bbeerme!

    Ok thanks Bbeerme!
  9. I will go back and look at how it was wired. It...

    I will go back and look at how it was wired. It does seem ridicously set high for a summer morning. The sensor is in a small vented sheetmetal box on the bottom left (close to the outside) of the...
  10. It can accept any thernostat

    It can accept any thernostat
  11. Ok buford, I'll try it the next time I'm out...

    Ok buford, I'll try it the next time I'm out there. Thanks.
    I am wandering how the sensor works. Is it a thermistor or a resistor sized for a certain temperature.
  12. No

    No
  13. Ok. When I put my hand on the sensor and warm it...

    Ok. When I put my hand on the sensor and warm it up, the rooftop kicks on the AC portion.
    There are two more units the same size and I have to do the same exact thing.
  14. Trane Ro0ftop YSC060A3RHA000, bypass outdoor temp sensor

    Can the outdoor temp sensor be bypassed or set temperature be lowered?
    This unit is at a restaurant where it's 70 degrees and humid outside, but 80 degrees inside
    and rooftop doesn't want to turn...
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    Thanks Rundawg. It wasn't sarcasm. Looking to...

    Thanks Rundawg. It wasn't sarcasm. Looking to download schematics in the future especially if it can be done on my phone.
    This forum is awesome for trading advice and learning.
    I taught a few guys...
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    Still trying to figure out how to google model #...

    Still trying to figure out how to google model # and get schematics in 10 seconds.
  17. Replies
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    You said "Don't have the schematic with me. " If...

    You said "Don't have the schematic with me. " If I can copy and paste the model and Google has it in front of me in 10 seconds, it's a fair assumption you didn't bother looking and spent about as...
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    And there is other items fried in the house...

    And there is other items fried in the house because comcast was there replacing their stuff.
    In the 150 degree attic, I quickly checked as many items as fast I could. I didn't say I was going to...
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    Did I say the transformer was bad? What are...

    Did I say the transformer was bad?
    What are trying to say?
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    GE ECM Model# HD42AE232 Graindaire-WAHM304A...

    GE ECM Model# HD42AE232
    Graindaire-WAHM304A
    Don't have the schematic with me. Board might be still good. I know that the battery powered thermostat is definitely not working because I
    got 27...
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    I have a customer with a bad x13 motor and I'm on...

    I have a customer with a bad x13 motor and I'm on the fence about just replacing it or installing a PSC motor. There is a chance that the control board is gone too so that's why I thought a 24 volt...
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    How easy is it to convert from X13 to PSC? I am...

    How easy is it to convert from X13 to PSC? I am thinking get the same size H.P., rpm, voltage, and a 24 volt contactor instead of using the control board on the fan coil?
    Especially for AC only...
  23. Is it possible? 10 ton condenser connected to two-5 ton air handlers

    I have a restaurant where they have a newer 10 ton condenser.
    The 10 ton fan coil is falling apart. I can get them two new 5 ton fan coils for a great price.
    This might be a dumb question, but is...
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    venstar T2900 indoor remote sensor

    Hello All
    I have 4- T2900 thermostats. All with the same problem, I cant get the indoor remote sensor to work with the thermostat. I wired a remote sensor to terminal R1 and R ground. I haven't...
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    Wanted: EWC boards

    Let me know if anyone has an extra or extra's they want to sell. Thanks Joe
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