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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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    750

    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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    267

    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...
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