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  1. Zone Controls: true modulating control of modulating dampers in high-end system

    Between Honeywell, iHarmony, Infinity and Trane: as of March 2014, which of these systems can dynamically control a three-four zone system, true variable speed fan, HP/Gas furnace, Variable speed HP....
  2. Second Opinion, I will check with contractor to...

    Second Opinion,
    I will check with contractor to confirm whether his SP of .6" was to be used for the tables. We are not in A/C season, so that is not a major issue.

    3. How is Strip Heat CFM...
  3. Hi, Return Plenum SP was not taken. Best I can...

    Hi,
    Return Plenum SP was not taken. Best I can say is that it is negligible. Was not aware that it made a difference (except to determine whether system is restricting flow.

    As for the tables,...
  4. Hi, Return Plenum SP was not taken. Best I can...

    Hi,
    Return Plenum SP was not taken. Best I can say is that it is negligible. Was not aware that it made a difference (except to determine whether system is restricting flow.

    As for the tables,...
  5. Trane Airflow Performance TAbles, TAM7

    Hi,

    I have a Trane TAM7, and am trying to read the MFR's Performance Tables in the Air Handler Service Facts. I am now told that I have 0.6" Static Pressure in supply plenum. I consider that...
  6. Hoenywell VisionPro IAQ and Trane HP Equipment

    In advance, thanks for your responses during what is likely your busiest time in years...

    1. Is there any Dip Switch(s) on the Trane TAM7 or XR-16 that needs to be switched in order for the...
  7. That is a little up in the air. Installer coming...

    That is a little up in the air. Installer coming back Friday to look at that.
    Since the Stage 3/4 Speed is Too High, and the A/C stages are just right, I am thinking about 425/ton in a/c. Just a...
  8. So it is 19.4 here (at only 6 pm in HOTlanta),...

    So it is 19.4 here (at only 6 pm in HOTlanta), the temp from the condenser 17.9 (1.5 degree drop). the XR16 is running first stage.
    The INCREASE from return to first supply is 15 degrees. Aux does...
  9. Thanks. We do not go below zero, but for the...

    Thanks. We do not go below zero, but for the first time in over 10 years, may go to single digits this week.
  10. Low Temp HO Cutoff with Unconditioned Ductwork

    This is a question based on a combination of two recent responses from BeenThere.

    Entire Trane Tam7, 30k coils and supply /returns in my attic in Atlanta. XR-16 2 ton coils (which rarely go into...
  11. Okay. Thanks for your help. Now I have to get...

    Okay. Thanks for your help. Now I have to get the fan speeds correct (the other post)
  12. Also, the thermostat (but not IAQ EIM) has...

    Also, the thermostat (but not IAQ EIM) has already been replaced, to no avail. All wiring colors on the EIM are correct, though I have not crawled up, pulled out the blower board, and actually...
  13. Uh, it is 28 degrees outside. Switched to Emer...

    Uh, it is 28 degrees outside. Switched to Emer Ht, raised set to 4 degrees higher than room. Strips turned on. "Aux" showed on the thermostat, but no red light (which I have seen in upper rt...
  14. Honeywell Visionpro IAQ Red LED for Aux Heating

    my Honeywell Visionpro IAQ never shows the internal RED LED except when first plugged into the base plate. Instructions indicate that the LED should also light with Aux Heat (as with old...
  15. Trane Temp Rise/Fan Speed in Heat Mode

    I have a Trane TAM7 with 30k coils, and an XR-16 2 ton HP. Installed with 2C/4H, 10k strips split in 2 stages.
    Installer only installed HP and TAM7 last spring to existing returns and vent system. ...
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    I have worked with third-party warranties...

    I have worked with third-party warranties before--some major flops, but now they are more regulated. If indeed AIG is behind it as insurance, the it could be worth considering. Yes, there are...
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    New Trane Extended Warranties?

    Hi,
    I am looking to add a Trane 10 yr Parts & Labor Extended Warranty to my trane system installed in February 2013 (it is now December 2013). The system was registered with Trane, so I have the...
  18. Great. Thanks! There had been a huge air leak,...

    Great. Thanks!
    There had been a huge air leak, though that was from not having replaced a gasket around the vertical-installation drain holes. Seems to be fitting right.
    John
  19. TAM7 Blower Leakage Around Coils Access Panel

    Hi,

    Is there typically air leakage around the TAM7 coils access panel? There is no leakage around the electric heat strips door, which is also pressurized being downwind of the blower.

    Please...
  20. Honeywell VIsionPro CPH and Multistage Heat

    Hi,
    This has to do with the ISU Parameter No. 220 through 270.
    I have a Trane 2 stage XR16 HP, with 2 Stage 10kw Strips in a TAM7. VisionPro IAQ with Separate Humidistat due to separate location...
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    Help: What's Missing From This TAM7?

    Hi,

    Well, on the Trane system installed in February, and given new Trane Epoxy Coils in October due to Dirty Socks Syndrome, seems that when the new coil was installed, some parts got lost and...
  22. I figured it might not. Hoped otherwise. I will...

    I figured it might not. Hoped otherwise.
    I will take the Gardenweb approach of turning off Comfort R Completely, and using the Dehumidistat and the BK terminal to reduce top fan speed by 10%....
  23. Beenthere, Perhaps the IAQ could control whether...

    Beenthere,
    Perhaps the IAQ could control whether Dehumidification is called for. However, the DeHumidistat was located at the source--outside the kids' bathroom.
    Further, with a relatively cool...
  24. Hi Joe, The BK jumper is removed so that the...

    Hi Joe,
    The BK jumper is removed so that the hardwired humidistat can control a 10% reduction in full fan speed when the system is in cool and humidity is still too high.

    I guess the question is...
  25. Hi Second Opinion, Is the re-wiring as...

    Hi Second Opinion,
    Is the re-wiring as straight-forward as what Mark Beiser posted in 2005?
    In other words, is it something that a typical tech familiar with the TAM7 could do on a one-hour service...
  26. Inside: TAM7 with 30,000 btu coil, at about 450...

    Inside: TAM7 with 30,000 btu coil, at about 450 /ton because of existing ductwork. Load is fine. 2 stages of coils.
    Outside: XR 16 (non-communicating. 2 Stage.
    Honeywell VisionPro with EIM.
    ...
  27. Comfort R - Can it be turned OFF in Winter?

    Hi,
    In 2005, Mark Beiser wrote:

    "It doesn't matter wich way it is done, the result is the same. I personally prefere to jumper between Y and O so that O is only energized on a call for cooling....
  28. Can (and with what) a Wireless Indoor Sensor be added to THM5421C1008 EIM?

    Seems February 2013's VisionPro is already outdated.
    I have remote sensor, which works well. I know that if I want a second WIRE sensor I have to have a total of 4.
    Unfortunately, getting any...
  29. Sounds great. TRane handled it well, and...

    Sounds great. TRane handled it well, and quickly, once they heard that I had a reaction. I will post the Mold lab results if they show anything. Supposed to receive them on the 8th.
  30. Doe Trane DSS Epoxy Coil 18632 drain Pan have Microban?

    I have the COL 18632 epoxy coated coil from TRane. It is being installed.
    Would like to know if the drain pan with the replacement coil has Microban, or can installers use old drain pan.
    Please...
  31. Thanks. Exactly what I hoped for. .

    Thanks. Exactly what I hoped for.
    .
  32. Identifying "Dirty Sock Syndrome" Replacement Coil From Trane

    I have a real Trane coil identified as COL18632 RPS that is supposed to be epoxy coated and not be subject to DSS. Does this code indicate any special coating? How else can I tell if Trane has sent...
  33. Thanks. I think I have considered the entire...

    Thanks. I think I have considered the entire picture, ,and know where the tradeoffs will occur.
    JBR
  34. Thanks for the insight. Catmanacman, great tag...

    Thanks for the insight. Catmanacman, great tag line.

    Here is the setup: Zoning system WILL NOT have a bypass. I want damper modulation--i.e., that the system will continually monitor what is...
  35. Reply to moderator,, and question>

    Yes. I have heard that it is the best available right now, and iHarmony, then Trane (with some workarounds). I have also been told that it is the only system that can truly make use of MARDs,...
  36. Use of Generic Coil in New Carrier System; Is Carrier Damper MARD or ARD

    I have had a supposedly-reputable Carrier dealer submit a proposal that includes a GENERIC "ADP High eff. Coil with Microban coating and TXV" evaporator number C36A175C129W (not a Carrier coil).
    ...
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    Jeez. I hadn't thought about the backflow to the...

    Jeez. I hadn't thought about the backflow to the waterheater (as unlikely as it might be). Fortunately, we have a CO Alarm near these units.
    Great advice, and I am glad you picked up the thread!...
  38. Replies
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    Re-Using Chimney with 80% Effic unit

    HI Folks,

    A separate question has come up by competing companies.
    I have a 125k Whisperheat (22 yrs old, great condition, obviously below the original 80% efficiency rating), and a 40 gal HWH...
  39. Is Trane going to Upgrade its Zoning Systems when it releases New Systems?

    I am in the middle of choosing 2200 sf zoned system, dual fuel.
    Seems carrier offers the only zoning control that takes control of blower speed, 2 speed hp, and MARDs to vary each component based on...
  40. THANKS!

    Thanks for the information. Yes, I realized on an earlier system that the technical side of the installation is important. Other than the communicating and zoning complexities, I think the...
  41. Classical, Okay. What about the quality...

    Classical,



    Okay. What about the quality of the rest of system: Carrier or Lennox?

    Also, When you say "true variable speed motor controller," I presume you mean the air handler/furnace, and...
  42. Zoning: Trane, Lennox iHarmony or Honeywell

    Hi,

    All of this comes down to two questions: Which zoning will be best for the circumstances, and should I pay the extra amount for a communicating system. Choosing Trane or iHarmony determines...
  43. Replies
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    The TH9421, Option 340 permits "0" for internal...

    The TH9421, Option 340 permits "0" for internal temp, "1" for remote sensor, and "2" to average. I did get an average for the "2" setting, when the temp difference was 6 degrees. Just means I have...
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    Beenthere, Well, it is not the sensors. It is...

    Beenthere,

    Well, it is not the sensors. It is the wiring. The original wiring was 18-5 Honeywell Thermostat wiring. I used 18-2 jacketed. Put everything next to each other, found the senors...
  45. Replies
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    Thanks. I understood that the C7189U1005 is a...

    Thanks. I understood that the C7189U1005 is a 10k residential sensor, not a 20k sensor. Please let me know if I am wrong about this.
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    Also, is it possible that the wiring of the...

    Also, is it possible that the wiring of the single sensor is affecting accuracy? There is only 110v wiring in that area of the house, and sensor wire doesn't go near any Flourescent (except about 3...
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    BT, I found the thread where you explained TH vs....

    BT, I found the thread where you explained TH vs. TB, the difference between 20k sensors and 10k sensors and how the TH is limited to 10k sensors. Do you have another way, perhaps using Radio Shack,...
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    I am searching and reading, and fortunately, just...

    I am searching and reading, and fortunately, just happened to get a second one off the big A. Will let you know if I don't find it.
    Thanks!
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    THANKS! I knew that was too easy to consider...

    THANKS! I knew that was too easy to consider that high tech worked smoothly
  50. Replies
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    On the mutlmeter reading, it reads (on the 20k...

    On the mutlmeter reading, it reads (on the 20k setting) a -14.79, when the same sensor read 66* before disconnecting one lead for the test, and 67* after reconnecting the lead.

    Hope this makes it...
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