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  1. Replies
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    If there are problems with this unit, there is a...

    If there are problems with this unit, there is a lot room in the attic for an HVAC Co. to repair the air handler with a correctly sized trunk in the future. Right now it seems fine for heat. It's not...
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    That's correct regles! I turned fan on at the...

    That's correct regles! I turned fan on at the thermostat and the registers were high on the ceiling (about 10') and I think the air speed was probably about 400 to 600 fpm. The return register was a...
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    After looking at these spec houses, I will never...

    After looking at these spec houses, I will never buy one in the future.
    I would rather have some control in the whole process of building a house.
    I have the knowledge know, but not 15 years ago....
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    I believe there was bubble wrap on the 20" X 16"...

    I believe there was bubble wrap on the 20" X 16" sheet metal
  5. Replies
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    503

    I thought about the higher static. There was no...

    I thought about the higher static. There was no way the real estate agent was going to let me bring a drill and test TESP but I wish I could.
    Obviously the install looked like a hack job.
  6. Replies
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    kdean, contractor covered the top of air handler...

    kdean, contractor covered the top of air handler with let's say a 20" X 16" sheet metal plate. No plenum box. I didn't measure anything (no tape measure or any tools) and I wish I took a picture. I...
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    Air handler with no supply trunk

    My friend was house hunting this Sunday at open houses.
    At a brand new house, I went up to the attic to check out the central air system.
    I was surprised to see no supply trunk on the air handler....
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    397

    I always install an air switch (Cleveland type)...

    I always install an air switch (Cleveland type) between steam humidifier and controller so that way the humidifier will not
    turn on if the blower is not running.
  9. 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.
  10. 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...
  11. 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.
  12. 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.
  13. Replies
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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%...
  14. 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.
  15. 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...
  16. Ok thanks Bbeerme!

    Ok thanks Bbeerme!
  17. 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...
  18. It can accept any thernostat

    It can accept any thernostat
  19. 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.
  20. No

    No
  21. 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.
  22. 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...
  23. Replies
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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...
  24. Replies
    145
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    9,455

    Still trying to figure out how to google model #...

    Still trying to figure out how to google model # and get schematics in 10 seconds.
  25. Replies
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    9,455

    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...
  26. Replies
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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...
  27. Replies
    145
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    9,455

    Did I say the transformer was bad? What are...

    Did I say the transformer was bad?
    What are trying to say?
  28. Replies
    145
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    9,455

    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...
  29. Replies
    145
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    9,455

    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...
  30. Replies
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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...
  31. 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...
  32. Replies
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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...
  33. Replies
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    Wanted: EWC boards

    Let me know if anyone has an extra or extra's they want to sell. Thanks Joe
  34. Replies
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    504

    Here is the newest link....

    Here is the newest link.
    http://www.ebay.com/itm/231226642894

    Doesn't anyone have a restaurant project? I have installed in Tex-Mex type restaurant. Owners painted them same color as ceiling and...
  35. Replies
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    Thanks Gentlemen, I found the brass fitting in...

    Thanks Gentlemen,
    I found the brass fitting in another box.
    Thank you!
  36. Replies
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    462

    TXV valve fitting

    Hi Guys,
    I bought a new uncased 3 ton coil. I have on my shelf a new 3 ton TXV valve that fits on the coil end, no problem.
    I don't install many TXV valve's so I am having a problem trying to...
  37. Replies
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    Ok very true. Thanks jtrammel.

    Ok very true. Thanks jtrammel.
  38. Replies
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    Yes. still there and working.

    Yes. still there and working.
  39. Replies
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    1,892

    Icanhas, I appreciate your input on this. Well...

    Icanhas, I appreciate your input on this. Well done!
  40. Replies
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    FYI: The FV4 fan coil has the ECM motor so it is...

    FYI:
    The FV4 fan coil has the ECM motor so it is able to slow down the fan to 80% of it's normal speed setting for dehumidification. This is accomplished with wiring in the DH and R circuit to a...
  41. Replies
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    Thanks for all replies! I understand the...

    Thanks for all replies!
    I understand the comments regarding that heat mode and humidity control (with outside condenser) is an energy hog.
    Customer does understand the energy use involved. They are...
  42. Replies
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    Teddy Bear, I currently have a regular...

    Teddy Bear,
    I currently have a regular heat/cool thermostat for the space. I installed a separate Johnson Control humidistat (common, NO and NC terminals) and connected to Dh end R terminal ...
  43. Replies
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    1,892

    I am not looking into adding any new equipment,...

    I am not looking into adding any new equipment, except for some type of control for heat mode.
    It's a long story
    This house is only 2 years old. Had a huge mold problem in the basement.
    There was...
  44. Replies
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    I am just thinking out loud. Some guys might not...

    I am just thinking out loud. Some guys might not like my idea.
    If you think about it, you really want to have the heat coming out of the floor with the radiant
    and the hot air as the back up source...
  45. Replies
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    Dehumidify in heat mode

    Hi to all,
    I installed a Carrier system with condenser and FV4 air handler with a hot water coil on top (hydro air set up)
    The air handler has a Dh and R circuit for dehumidification, but only...
  46. Replies
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    Okay Thanks hearthman, 54regcab, and second...

    Okay Thanks hearthman, 54regcab, and second opinion.
  47. Replies
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    860

    martyinlincoln, I brought some 6" pipe and...

    martyinlincoln,
    I brought some 6" pipe and three-6" elbows because electrician thought it might be the length of the 4" pipe was the problem.
    Obviuosly,I didn't have enough material. I am going...
  48. Replies
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    860

    My dilemma is: An electrician that I work...

    My dilemma is: An electrician that I work together with is selling his house. The buyer's home inspector mentioned in his report that the dry vent circuit needed "attention".
    Didn't say what he...
  49. Replies
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    860

    Second opinion, I have worked on projects where...

    Second opinion, I have worked on projects where we needed to install a booster fan towards the end of the dryer vent circuit.
    Actually the whole circuit was designed by a mechanical engineer (that...
  50. Replies
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    static pressure for clothes dryers

    What is the typical static pressure for clothes dryers?
    Is there code clause that sets the standard static pressure?
    Thanks!
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