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  1. Replies
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    Not asking for DIY advice - just other...

    Not asking for DIY advice - just other experiences or ideas.
    The professional Trane dealer's technician will make his third visit for this fault condition this week.
    I shall do nothing to void my...
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    Suspect List?

    Is there a published trouble determination sequence for this situation?
    The heat pump heats well after it starts; 26o difference (return to closest supply) when outside is 45o.
    Never had a...
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    Intermittent No-Start Heat Pump Problem

    Trane XL14i & Trane-branded VisionPro dual fuel system (4TWX4036B1000AA TUD080R9V4K4). About seven years old.

    PROBLEM
    VisionPro calls for heat. Inside, the blower fan does not start. The heat...
  4. Visionpro "Likes" Furnace more than Heat Pump?

    Trane-branded Visionpro dual fuel system.
    With the Visionpro set to Heat after a night of 24 or lower, the system starts calling Auxiliary Heat some time during the night. When I wake in the...
  5. Furnace rated 80%, 2 stage variable speed. The...

    Furnace rated 80%, 2 stage variable speed.
    The system does not call the furnace at a particular temperature. It somehow figures out when to call auxiliary heat and how long auxiliary heat runs when...
  6. The heat pump determines (somehow) when it needs...

    The heat pump determines (somehow) when it needs to defrost.
    It will have a delta-T (measured at return & closest supply) around 16 when the outside temperature is 25 and delta-T around 23 when...
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    Try 4TXCC060BC3

    Try 4TXCC060BC3
  8. The system has a "Heat Pump Control Kit" in...

    The system has a "Heat Pump Control Kit" in addition to the Trane-branded Vision Pro. Doesn't that kit guarantee the furnace is off when the heat pump is on?
  9. OK - makes sense. I have a dual fuel system, so...

    OK - makes sense. I have a dual fuel system, so auxiliary is gas. I guess the furnace is not being called during defrost.
  10. Why is Blower on while Heat Pump is Defrosting

    Why does the circulation blower run while the heat pump is in defrost?
    I mean it has been blowing for 8 minutes now and the temperature from the closest supply is 56 degrees.
  11. I thought the AHRI numbers were derived by...

    I thought the AHRI numbers were derived by measuring heat transfer under standard conditions.
    Wouldn't that let you make direct comparisons for capacity and efficiency of the matched systems without...
  12. Compare system performance using AHRI numbers?

    A Trane service representative says you can not take data from an XL16i or XL15i today and compare it to a XL14's performance.

    I was looking at AHRI numbers (Cooling capacity BTUH & SEER - Heating...
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    The replacement coil is 5.0 sq. ft. face area,...

    The replacement coil is 5.0 sq. ft. face area, all Al, weighs 30 lb.; original is 5.5 sq. ft. face area, Cu & Al, weighs 68 lb.
    As for performance data on the coils, I can find only the performance...
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    I have that for the XL14i system I purchased 5...

    I have that for the XL14i system I purchased 5 years ago. Trane rated the combination 14.50 SEER, 9.40 HSPF.
    That coil's performance data was

    590 870 1090 1280 1450 1600 1740 1880
    I need a new...
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    I guess I really mean with respect to some...

    I guess I really mean with respect to some measure of performance within a particular system configuration.
    Set up a heat pump - air handler/furnace combination that does not change. Then substitute...
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    Interpreting Trane Coil Performance Data

    Looking at performance data for coils in a Trane product document, I see the following table & pulled out three lines:

    PRESSURE DROP CHARACTERISTICS FOR COOLING AND HEAT PUMP COILS
    AIRFLOW...
  17. Trane Coil - 4TXC037BC replaces RXC037S3 ??

    Short version: Is the Trane Coil 4TXC037BC the correct new product replacement for the RXC037S3 with regard to performance specs?

    Full story: My Trane system (4TWX4036A1 TUD080R9V4+RXC037S3) needs...
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    Insulating supply ducts in wall ?

    Short of ripping out drywall, is there a way to decrease the heat loss in supplies that run in outside walls?

    My 2 story frame on slab house was built around 1983. Each of the 3 main supply trunks...
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    The hole has a couple of flattened styrofoam...

    The hole has a couple of flattened styrofoam packing peanuts filling it. (Yep. I rigged that one day :o) It is on an inside first floor wall.
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    VisionPro Not Turning Off with Adaptive Recovery

    Dual fuel Trane system. System does not call aux until temp less than around 27 degrees (according to the external temp sensor (used for info only)).

    One degree setback. "Less aggressive"...
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    It appears that Professional Member Weber uses...

    It appears that Professional Member Weber uses UWIN. Link
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    Sorry, I don't know any techs or companies around...

    Sorry, I don't know any techs or companies around Vero Beach, FL
    Hope someone else can give you a lead.
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    I also thought Al wiring was dead. Each wires is...

    I also thought Al wiring was dead.
    Each wires is 7 strands in braided sheath. With an inch unsheathed on one wire, all strands still looks silver.
    I am trying to shave a strand to verify if tinned....
  24. Replies
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    Aluminum Electrical Wire Question

    I purchased an outdoor halogen flood light fixture not knowing that it was wired with aluminum wire (but has Cu ground wire). The existing 23-yr-old box has copper wiring.
    The only warning with the...
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    He said that the Bryant breakers could be flipped...

    He said that the Bryant breakers could be flipped on/off too easily by hand, so they were not physically large enough for the panel. :confused: They do not pull out of the panel easily though.
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    Breaker Panel Component Matching

    The electrical panel in my house was made by GE.
    An electrician told me that I should use only breakers manufactured by GE or Cutler-Hammer.
    Square D, Bryant or any other brand was a code...
  27. Marathon Water Heater - Is Install Much Different ?

    I am going to have a gas WH replaced with an electric Marathon. (N Metro Atlanta GA)
    Calling a few HVAC and plumbing companies for installation, most do not install Marathon, even if I supply the...
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    VisionPro & Remote Sensor Questions

    I have a Honeywell Vision Pro (TH8321U) with an outdoor temperature sensor (C7089U) used for display only.
    I am thinking about using a remote indoor sensor upstairs. (Zoning was my ideal solution...
  29. Replies
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    No, guess I flunked English composition again. ;)...

    No, guess I flunked English composition again. ;)
    The HP always runs first. When Aux is called, the furnace runs for only a short period (rather than running until set point reached). Then the HP...
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    Where Can I Look for More Info?

    My contractor installed a TAYPLUS103A connected to a VisionPro. I know people here generally do not agree with this, but he said that was how Trane wanted it done :confused:. The low fire generally...
  31. Replies
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    You guys really gave some good information when I...

    You guys really gave some good information when I was looking to replace my old system! :D
    But I have more questions now (after a long description):

    Trane dual fuel installed in ventilated attic...
  32. Replies
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    Warning -- HO Thinking outside the box

    and without enough information about operation of the components. I have no imformation at all about installing the TAYPLUS103 kit. But anyway...
    If the TAYPLUS103 controls the heatpump lockout,...
  33. No, I really want 4 degrees. But it takes over 2...

    No, I really want 4 degrees. But it takes over 2 hours to recover from the 1-degree setback. I had it at 4 when the new dual fuel system was installed a month ago, but learned the first night (from...
  34. Here Is An Example

    The system is in the Sleep schedule with a set point of 66. The system is not running at the moment and the displayed indoor temperature is 66. The system starts a new heat cycle.

    While still in...
  35. System is one month old. If the system is...

    System is one month old.
    If the system is running at the sleep-wake schedule change or when adaptive recovery begins, the indoor temperature display changes when the set point changes. The indoor...
  36. Replies
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    The contractor is contacting Trane to see if they...

    The contractor is contacting Trane to see if they have encountered this noise before. But I thought I would contact a more authoritative source ;)
    Trane dual fuel system, XL14i & XV80.
    When the fan...
  37. I don't know where in the metro you are located....

    I don't know where in the metro you are located. I recommend Knight A/C & Heating Co (a Trane Comfort Specialist in Gwinnett county). They will answer your questions and their service is outstanding....
  38. Warning! HO thinking/wondering again

    Thanks guys. I changed the setback to 2 degrees last night, but the low temp was only in the high 40's.
    About the setup - the contractor said third stage heat would have to fire from the 10 minute...
  39. You guys were a great source of information in...

    You guys were a great source of information in choosing my system! :) I would like opinions on the following setup & initial run.

    My new 3-day-old Trane system is XL14i HP, XV80 2-stage furnace...
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    Data is from a friend of a friend of a friend,...

    Data is from a friend of a friend of a friend, etc. My friend sent it to me.
    I don't know where it came from. I guess it is genuine. Have you Trane guys seen these types of data before?
    P.S. I'm...
  41. Replies
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    e-mail is a wonderful thing, eh?

    I received these 2 pages of data in an e-mail. Whatcha think? Hope the links work.
    What is Trane UPG? (top left of pages)
    Heating data
    Cooling data
  42. Replies
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    Thanks BL. The original proposal was 4TWX4036B1...

    Thanks BL.
    The original proposal was 4TWX4036B1 and TUD100R9V5+RXC037S3. 14.5 SEER, 8.5 HSPF. He said the 21 inch coil gives better efficiency and the larger furnace was needed to move air for the...
  43. Replies
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    Does anyone have performance data on this Trane...

    Does anyone have performance data on this Trane combination? The contractor lists some high values for both SEER and HSPF, but there is no ARI number at ariprimenet. I don't know another place to...
  44. Thanks Bald. I searched for Robo information and...

    Thanks Bald. I searched for Robo information and found "http://hvac-talk.com/vbb/showthread.php?threadid=65070 with his "wire it like this" instructions and a link to a Goodman manual.
    I guess I...
  45. I have been reading this forum for weeks and have...

    I have been reading this forum for weeks and have found a lot of invaluable information. But I have another question.

    With a 1-stage HP & 2-stage fossil fuel furnace, which thermostats have been...
  46. A contractor included some performance data with...

    A contractor included some performance data with the proposal. :cool:
    Since I will purchase on Saturday (or Monday at the latest) I was just looking at the data.

    The performance data was "Rated...
  47. Thanks! You guys are really helping a lot of...

    Thanks! You guys are really helping a lot of people around the country.

    Is a model of the Trane XL800 thermostat the same as the Vision Pro? If so, I think I can get the thermostat warranty...
  48. I think I understand what you are saying (at a...

    I think I understand what you are saying (at a civilian's level of course ;) ). To test my grasp of the situation, it sounds like I have 2 heat source scenarios:
    1. The heat pump handles all...
  49. When the HP calls for fossil fuel furnace backup,...

    When the HP calls for fossil fuel furnace backup, the HP stops heating (unlike electric backup).
    Does the HP start heating again during this cycle OR does the furnace alone take the system up to the...
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    Another Proposal

    I can't find an ARI number for this contractor's combination:
    4TWX4036
    TUD080R9V4 + RXC037S3
    I found some with the XL16i. Is the proposed combination too new, just not tested or not sanctioned by...
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