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Type: Posts; User: jdere

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  1. Replies
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    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.
  2. 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.
  3. 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...
  4. 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.
  5. 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.
  6. Replies
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    364

    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%...
  7. 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.
  8. 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...
  9. Ok thanks Bbeerme!

    Ok thanks Bbeerme!
  10. 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...
  11. It can accept any thernostat

    It can accept any thernostat
  12. 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.
  13. No

    No
  14. 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.
  15. 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...
  16. Replies
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    8,954

    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...
  17. Replies
    145
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    8,954

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

    Still trying to figure out how to google model # and get schematics in 10 seconds.
  18. Replies
    145
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    8,954

    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...
  19. Replies
    145
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    8,954

    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...
  20. Replies
    145
    Views
    8,954

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

    Did I say the transformer was bad?
    What are trying to say?
  21. Replies
    145
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    8,954

    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...
  22. Replies
    145
    Views
    8,954

    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...
  23. Replies
    145
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    8,954

    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...
  24. 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...
  25. Replies
    0
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    141

    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...
  26. Replies
    1
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    383

    Wanted: EWC boards

    Let me know if anyone has an extra or extra's they want to sell. Thanks Joe
  27. Replies
    1
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    498

    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...
  28. Replies
    3
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    451

    Thanks Gentlemen, I found the brass fitting in...

    Thanks Gentlemen,
    I found the brass fitting in another box.
    Thank you!
  29. Replies
    3
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    451

    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...
  30. Replies
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    Ok very true. Thanks jtrammel.

    Ok very true. Thanks jtrammel.
  31. Replies
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    1,824

    Yes. still there and working.

    Yes. still there and working.
  32. Replies
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    1,824

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

    Icanhas, I appreciate your input on this. Well done!
  33. Replies
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    1,824

    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...
  34. Replies
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    1,824

    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...
  35. Replies
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    1,824

    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 ...
  36. Replies
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    1,824

    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...
  37. Replies
    2
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    383

    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...
  38. 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...
  39. Replies
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    790

    Okay Thanks hearthman, 54regcab, and second...

    Okay Thanks hearthman, 54regcab, and second opinion.
  40. Replies
    11
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    790

    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...
  41. Replies
    11
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    790

    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...
  42. Replies
    11
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    790

    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...
  43. Replies
    11
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    790

    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!
  44. Replies
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    916

    I would check with the local fire dept. and find...

    I would check with the local fire dept. and find out what happened with the oil tank.
    I was involved with a property were the previous owner hid an underground oil tank and later on
    it was...
  45. Thread: heat pump wiring

    by jdere
    Replies
    15
    Views
    1,787

    I forgot to mention that this is a vacation house...

    I forgot to mention that this is a vacation house in Cape Cod. About 2 hours from the shop.
    Homeowner is an owners rep. that gives me a lot of work.
    Went back to the house on Thursday to check...
  46. Replies
    1
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    498

    Tuttle round registers

    Selling these registers on ebay
    if anyone is interested. I taking a bath on them, but need the storage space.
    ...
  47. Thread: heat pump wiring

    by jdere
    Replies
    15
    Views
    1,787

    I will check for shorts in the wires. Thanks!

    I will check for shorts in the wires. Thanks!
  48. Thread: heat pump wiring

    by jdere
    Replies
    15
    Views
    1,787

    What's weird is that I get 26.5 volts between R...

    What's weird is that I get 26.5 volts between R and C, C and G, C and Y at the air handler, but I get 14 to 15 volts between C and O when calling for heat.
  49. Thread: heat pump wiring

    by jdere
    Replies
    15
    Views
    1,787

    heat pump wiring

    Hi to all,
    I installed a new 2 ton carrier heat pump and new 2 ton FV Carrier fan coil with a Nest thermostat.
    After wiring it, I couldn't get the equipment to run on heat. Did fine on AC.
    I...
  50. Thread: Manometers

    by jdere
    Replies
    22
    Views
    2,331

    Testo 510

    Testo 510
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