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  1. Thread: delta T

    by tundraotto
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    4
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    5,523

    delta T

    what I have is outside temp of 18F and;

    air handlers placed in attic (ambient of 22F)

    unit intake air temp is 67.4F
    unit output air is 78.1F at a register about midway from the air...
  2. Replies
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    the temperature difference between the ambient...

    the temperature difference between the ambient air and your attic air is the problem as far as ice dams. as described you have several approaches you can take to prevent ice dams from forming - some...
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    the argument of energy savings vs energy...

    the argument of energy savings vs energy consumption of attic fans is not the argument here as far as I have understood it. The question was about avoiding ice dams on the roof - not about energy...
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    look at the amount of soffit venting you have -...

    look at the amount of soffit venting you have - if you have a bunch - get a bigger fan, if you have just a little get a small fan. jeez - this is not rocket science. almost any small fan just...
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    get a couple of thermostat/humidistat fans - set...

    get a couple of thermostat/humidistat fans - set the humidistat lower to get the fans running when a large temperature difference exists between outside temp and attic temp (condensation & high...
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    just curious....could you spray bleach or diluted...

    just curious....could you spray bleach or diluted bleach on the coils.....or would this damage the coils??? should kill bacteria/mold....
  7. Thread: COP info?

    by tundraotto
    Replies
    2
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    1,014

    thanks a million dan!

    thanks a million dan!
  8. Replies
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    4,131

    the visionpro DOES allow for no compressor...

    the visionpro DOES allow for no compressor lockout - installer menu no 00350 with an outdoor sensor.
  9. Thread: COP info?

    by tundraotto
    Replies
    2
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    1,014

    Can anyone let me know what the COP is for this...

    Can anyone let me know what the COP is for this heatpump?

    Trane XR13 2TWR3036A1000AA 10F DESIGN SUBCOOLING

    (i am trying to figure the balance point for compressor lockout)

    [Edited by...
  10. Replies
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    so ,much bull about who should have all the info...

    so ,much bull about who should have all the info about systems they OWN and people here cant even figure out (or cant be bothered) whether a set of dead end wires from the thermocouple should be...
  11. Replies
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    thanks smokin 68 - i think everyone has figured...

    thanks smokin 68 - i think everyone has figured that on out already - didnt he already tell you he got the install manual off the manufacturer website???? all that is on page 15 - why are you so nice...
  12. marathon is worth the money (500) for a 50gal -...

    marathon is worth the money (500) for a 50gal - if you dont want to worry about tanks busting while you are at work etc. could very well pay for itself just that way...its also very efficient.
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    the relays click on my trane803/vp8321 this is a...

    the relays click on my trane803/vp8321 this is a good sound to me as - the bigger the relay = the longer it will usually last if the switch amperage is the same. I dont even hear it anymore, snif,...
  14. Replies
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    3,295

    i thought if you had a visionpro IAQ (spell??) -...

    i thought if you had a visionpro IAQ (spell??) - the one you and baldloonie like so much - you only had 3 wires....
  15. high end products use ball bearings - they are...

    high end products use ball bearings - they are better 99% of the time. less friction, longer life, stronger, more expensive....
  16. Replies
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    1,264

    Airhandler Outdoor...

    Airhandler Outdoor Temp
    Sensor
    (1) (2)
    | |
    | | |
    | ...
  17. Replies
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    lol - no harm done ikey. I dont want everything...

    lol - no harm done ikey. I dont want everything - just whats already there - in a more logical format. Would have been free for honeywell to design it that way if they would have decided to.
    if I...
  18. Replies
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    it may be old, but its installed and am not...

    it may be old, but its installed and am not looking ar changing until the whole system gets changed. ie. I am not looking for extra work unless its needed...
  19. Replies
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    just finished installing 2 outdoor temp sensors...

    just finished installing 2 outdoor temp sensors for the visionpro/tcont803 thermostats. Pretty nifty to see the outside temp on the screen - albeit at a loss of the humidity reading that has to be...
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    i have the suntouch electric floor heating mats...

    i have the suntouch electric floor heating mats under the tile and they work great...cant say about the energy consumption except they say its cheap. I have a 10' x 30"w mat in my bathroom...
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    i have now had experience with both of the...

    i have now had experience with both of the examples provided.

    but i guess we never decided on this topic either....

    there is a lot of knowledgeable people on this board - i guess they hang out...
  22. Replies
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    the way its done here (usually in cookie cutters)...

    the way its done here (usually in cookie cutters)

    attic install (self explanatory) (btw. building codes here require a large enough service entrance within 6' of attic airhandler for service - it...
  23. Replies
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    whats a more efficient way of doing the placement...

    whats a more efficient way of doing the placement of the air hadler as far as energy efficiency?

    - have the air handlers in the attic in the heat and having straight ducts straight out of the air...
  24. Replies
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    i have a trane 3ton 2TWR3036A1000AA heatpump...

    i have a trane 3ton 2TWR3036A1000AA heatpump condenser (weathertron) and have been told by several people on this site that I have a reciprocating - not a scroll - compressor. Are the straight air...
  25. lol - thanks for the insult...lmao - no fresh...

    lol - thanks for the insult...lmao - no

    fresh air? i hope that only comes from when I open the door.seriously - i know there is always air infiltration - but surely this would not increase by...
  26. agreed - so this reduced starting would not...

    agreed - so this reduced starting would not reduce wear on the compressor to a degree to make it worthwhile from a longevity standpoint? just looking to tweak what seems to me a great system for the...
  27. Replies
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    how about using a high quality ex. visionpro...

    how about using a high quality ex. visionpro (hidden) and outputting the data into a remote 17"-24" touchscreen recessed into the wall where he wants?
  28. Replies
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    . [Edited by tundraotto on 09-01-2006 at 05:38...

    .

    [Edited by tundraotto on 09-01-2006 at 05:38 PM]
  29. Replies
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    i didnt say carrier's highest rated systems -...

    i didnt say carrier's highest rated systems - look at the 2 most efficient systems regardless of brand and I think you will find they are both R22 (and neither is carrier). Carrier would not want to...
  30. Replies
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    arent the R-22 systems more efficient? if they...

    arent the R-22 systems more efficient? if they are not why are the highest SEER rated systems R-22 only?
  31. Replies
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    have a process control engineering company...

    have a process control engineering company develop one based on a computer 17" touchscreen with every conceivable option - should cost well over $10k....should be relatively simple once you tell them...
  32. Replies
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    i would definately recommend a heat pump system...

    i would definately recommend a heat pump system installed by the best company around - to qualify they must be willing to do a Manual J calculation and show you their results. With the above you...
  33. Replies
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    no - the visionpro does not support those...

    no - the visionpro does not support those features as far as I know. if you mean being able to control heatpump-heatstrip setpoints it does that with an outdoor sensor that is optional - its...
  34. Replies
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    makes sense AMD - i will start from 38F for...

    makes sense AMD - i will start from 38F for balance point. What about compressor lockout point? - 25F????

    pecmsg - the temperature sensor measures the temperature outside by changing the...
  35. Replies
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    pecmsg: why do i need to use another cable if I...

    pecmsg: why do i need to use another cable if I have an extra pair in the one already connected? I do have an extra cable pulled but I also think I have 18/8 thermostat cable with 2 spares...I...
  36. Replies
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    I just ordered 2 x Honeywell C7089U1006 outdoor...

    I just ordered 2 x Honeywell C7089U1006 outdoor temp sensors for my trane 803 (visionpro 8321). I always know what the outdoor temperature is as I have plenty of outdoor sensors (in the attic and...
  37. Replies
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    awesome reply - even I think I understand...

    awesome reply - even I think I understand now...thanks!
  38. Replies
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    trane air handler: 2TGB3F36A1000A trane XR13...

    trane air handler: 2TGB3F36A1000A

    trane XR13 heatpump condenser.
  39. ok - now that we (hopefully) have all the other...

    ok - now that we (hopefully) have all the other stuff on this thread out of the way. I am interested in the humidity control too but am much more interested in:

    does reducing the cycles per hour...
  40. interesting - so is the 2 cycles/hour setting...

    interesting - so is the 2 cycles/hour setting recommended over the 3 cycles/hour or will it make a hill of beans difference in regards to compressor life?
  41. i am fine with the energy consumption. My...

    i am fine with the energy consumption. My concern was regarding the start & stop of the compressor as related to compressor life... the default is 3 c/hr on the thermo...
  42. I am very happy so far with my trane 803...

    I am very happy so far with my trane 803 thermostats - in order to try eek out that last bit of efficiency as far as the system is concerned..Question:

    I have the thermostats set on maximum of 3...
  43. because i am curious. i did not want to hassle...

    because i am curious. i did not want to hassle an ac company and get the wrong answer. i thought someone could have been able to tell me very easily from the model number. I bought the...
  44. Replies
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    what were the comparable numbers before?

    what were the comparable numbers before?
  45. the vision pro also also lets you play with...

    the vision pro also also lets you play with "cycles per hour" - i would think that combining the adjustment of the two settings (less aggressive temperature control & cycles per hour) you should be...
  46. i have a 10 seer rheem at work that is a scroll...

    i have a 10 seer rheem at work that is a scroll and its louder than the trane at home , the insulation really makes a big difference i guess if it is a recip. i had a 4 ton york with a recip at my...
  47. lol, thanks boss. i guess i got my answer -...

    lol, thanks boss. i guess i got my answer - thank you very much. i think there are moderator spot is already taken though.

    [Edited by tundraotto on 08-10-2006 at 10:42 PM]
  48. cool beans - back to the original question - can...

    cool beans - back to the original question - can one tell from these laymans terms whether this is a recip or a scroll?
  49. the bigger line is higher than the thin line on...

    the bigger line is higher than the thin line on the compressor - lol. the thin line enters this about 3" diameter cylinder.... is that a TXV? and what is that for? the big line is about 2/3 of the...
  50. thanks - i just recalled seeing here that the 3...

    thanks - i just recalled seeing here that the 3 and the 5 ton units had the scroll - but like said i dont know....i would not know how to tell from the outside with the insulation blanket one way or...
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