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  1. Outdoor A/C Unit

    I'm looking to see how to hold contractor accountable for these issues, thanks!

    Update:
    I took a peek at the outdoor unit. (see photo below) Note the angles on the refrigerant lines, where...
  2. One other question: Before hurricane...

    One other question:

    Before hurricane damage, the emergency furnace shut off switch was near the door to the house, so one could shut down the equipment without stepping into the garage. The...
  3. Thanks for the responses! This helps build a...

    Thanks for the responses! This helps build a case for fixes to be made. My family member did protest upon noticing the missing filter during the construction phase and the HVAC installer said "oh...
  4. Furnace Installation Quality or Safety Issues? (w/ Photos)

    I am helping family members who recently had a new furnace / cooling equipment installed during a house renovation post hurricane Sandy. The HVAC installer was selected by the general contractor. ...
  5. Rodent Entering Home by HVAC Lineset Opening

    This isn't a technical question, but perhaps others have experience this around HVAC equipment and know what to do. Today I noticed the steel wool and foam that covered the opening in the house wall...
  6. Update: Even with a new clean filter, the ice...

    Update: Even with a new clean filter, the ice returned when the outdoor temperatures dropped overnight. :( Why?
  7. Evaporator Ice Cause: Dirty Filter or Worse?

    I have an 11 month old American Standard near top of the line air handler with the electric expansion valve, variable speed blower, etc. It is set to R22. The outdoor Am Standard R22 heat pump unit...
  8. Replies
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    1,348

    How does a filter/drier work and what are the...

    How does a filter/drier work and what are the disadvantages of having two? Will it cause the system to die prematurely?

    Also, did running their vacuum pump on the line set damage the inside...
  9. Replies
    18
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    1,348

    I'm confused about the conflicting...

    I'm confused about the conflicting recommendations. Why remove the old drier?
  10. Replies
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    1,348

    UPDATE: The company owner just installed a...

    UPDATE:

    The company owner just installed a filter drier himself, outside the unit. He cut into the refrigerant line and brazed in a bi-directional filter drier. I did ask about removing the old...
  11. Replies
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    1,495

    Interesting, my service order says that the...

    Interesting, my service order says that the repair is under warranty for 90 days....If it fails after that I will ask if there are other relays (non GE) available with the same specs that are...
  12. Replies
    15
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    1,495

    I have a theory question--- I noticed in the...

    I have a theory question---

    I noticed in the wiring diagram that the potential / start relay takes the start capacitor out of the circuit after the compressor starts. But the compressor start...
  13. Replies
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    1,495

    Is that because the potential relays are being...

    Is that because the potential relays are being re-mounted improperly in the field, or they were never mounted in the right position at the factory?

    I'm wondering why mine needed to be replaced in...
  14. Replies
    15
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    1,495

    LoL! It's the engineer in me, I like things to...

    LoL! It's the engineer in me, I like things to work properly and I like it when technical documentation is clear and accurate. If something isn't working normally I tend to keep tinkering with it...
  15. Replies
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    1,495

    Follow up : I did check back with the tech,...

    Follow up :

    I did check back with the tech, and the arrow points up, the side with the "this side up" actually should be on the side. It is (supposedly) normal to have the relay mounting screw...
  16. Replies
    15
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    1,495

    Is the proper mounting with the letters "This...

    Is the proper mounting with the letters "This Side Up" on top (mounting screw above relay), or the direction pointed by the arrow (mounting screw on side of relay)? I just want to make sure they...
  17. Replies
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    1,495

    Here is a picture of the relay I am asking about:...

    Here is a picture of the relay I am asking about:

    418941
  18. Replies
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    1,495

    START RELAY |---------| |xxxxxxxxx|...

    START RELAY

    |---------|
    |xxxxxxxxx|
    |xxxxxxxxx|
    |xxxxxxxxx|||o <--- mounting screw on side?
    |xxxxxxxxx|
    |xxxxxxxxx|
    |---------|
  19. Replies
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    1,495

    Start Relay - This Side Up?

    So I'm looking at my heat pump (American Standard 2a6h3024) after it's been serviced, and I notice a relay (start relay) has "This Side Up" printed on it with an arrow pointing to another side. Is...
  20. Excessive Transformer Noise in Air Handler

    I have a brand new American Standard TAM7 air handler with the variable speed ECM blower. Normally the transformer noise is very slight, you only hear it when near the machine. Occasionally it gets...
  21. Replies
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    1,348

    Thanks for the advice! I will call them again...

    Thanks for the advice! I will call them again tomorrow. The system used recovered R22 (I recall at the beginning of the job they ran the compressor for a minute or so with a valve closed and may...
  22. Replies
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    Views
    1,348

    Refrigerant Dryer Necessary?

    I recently had a new heat pump air handler (American Standard TAM7, 2 ton) installed to match a American Standard 2 ton heat pump that is about 4-5 years old. The accepted work proposal included a...
  23. Here are pictures from the installation: ...

    Here are pictures from the installation:

    397641

    397651

    397661

    397701
  24. The fellow who provided the estimate and measured...

    The fellow who provided the estimate and measured was the owner of the small company. I had a good feeling with him, he definitely had a lot of experience. Unfortunately he was not present during...
  25. Variable Speed American Standard Air Handler Installed. Some Install Quality Question

    I just had an American Standard air handler (TAM7A0A24) installed to match an American Standard heat pump outside. I used an Am Std "comfort care" dealer that had good reviews for quality. I'm...
  26. Looking carefully at the American Standard and...

    Looking carefully at the American Standard and Trane website, the A-S website says that the TAM4 ("Gold XM") has the Vortica.

    The Trane website says that the TAM4 ("Hyperion XR Series 4") does...
  27. American Standard / Trane Variable Speed Blower Questions

    I'm about to have my air handler replaced on a heat pump. It is an R22 system with the outdoor unit replaced with a AS Heritage unit a few years back (before my ownership). I have two proposals for...
  28. American Standard HP Start Relay Missing?

    I recently bought a house with an American Standard Heritage 13 SEER R22 heat pump installed around 2009. I hired a company to tune it up before summer, and inside there is a large add on start...
  29. Replies
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    5,595

    A gable vent combined with a ridge vent is not a...

    A gable vent combined with a ridge vent is not a good idea. With soffit vents and a ridge vent, air flows in the soffit vents and hot air exits the ridge vent. This is good and keeps the...
  30. Replies
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    1,182

    Vision Pro Thermostat Operation Questions

    Hello,

    I have a two stage Honeywell Vision Pro Thermostat, Model TB8220U that is connected to my American Standard two stage high efficiency furnace. It is programmed with the adaptive recovery...
  31. Thanks! I'm curious, what is the magic code to...

    Thanks! I'm curious, what is the magic code to decipher that? I had been thinking that the 30 in the middle of the model number meant 3 tons, based on what the Sears people said, but they weren't...
  32. How many tons is my Kenmore Central Air Unit?

    I have a Sears Kenmore central air conditioner that was probably installed around 1989. I don't have any documentation, other than the name plate on the outdoor condenser unit. It lists both...
  33. Adding AccuClean to American Std Freedom 90?

    My Freedom 90 2 stage variable speed furnace is almost 2 years old. I noticed that they no longer make this furnace, in favor of a high efficiency model, or the Freedom 90 that now includes a...
  34. Thanks, that's what I had figured. Since the...

    Thanks, that's what I had figured. Since the unit is under warranty (extended manufacturer parts+labor), it's probably a good idea to call the dealer another time and get it fixed now, rather than...
  35. Condensation in return air compartment of American Standard furnace?

    I had mentioned a little of this before but hadn't done the best job of explaining. My furnace is an American Standard AUY060, one year old.

    When servicing the air filter, I had noticed white...
  36. White dust indicator of condensation of return air???

    The installing company's tech was out today to look at the American Standard AUY condensing furnace. He stated that the dust and evidence of liquid drops under the condensate trap area was merely...
  37. I didn't notice any residue on top of the...

    I didn't notice any residue on top of the furnace, but I'll check. Thanks for the tips! The dealer is due here early tomorrow morning so I appreciate all the advice!

    (Past experience has shown...
  38. Actually, I don't think it's dry wall dust. (The...

    Actually, I don't think it's dry wall dust. (The house was built 40 years ago with plaster and the air is fine.) The white dust appears underneath the inducer fan and condensate trap area only. ...
  39. Annual Furnace Servicing and white dust - What should be done?

    My furnace is turning one year old and it's time to have the annual service done on it, an American Standard AUY060 condensing unit with an ECM motor.

    My original installer is scheduled to...
  40. My furnace is an almost new Trane/American...

    My furnace is an almost new Trane/American Standard condensing upflow furnace. When I have the cabinet open to service the filter, I have noticed a white powdery dust that seems slightly damp on the...
  41. Replies
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    4,001

    Interesting, I didn't know that. I checked my...

    Interesting, I didn't know that. I checked my recently installed Vision Pro (the commercial version) and the only options for # 330-[daylight savings time] are 0 (off) and 1 (on). I put the clock...
  42. Replies
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    4,001

    Unless the thermostat gets a copy of the new...

    Unless the thermostat gets a copy of the new daylight savings schedule law, I don't think it's going to automatically change until the first weekend of April, not March 11. That change is going to...
  43. Senior Tech, Thanks for the heads up regarding...

    Senior Tech, Thanks for the heads up regarding the shielded cable kit. The HVAC company will be coming out soon to do the annual cleaning and hopefully they can clear up the interference once and...
  44. I have an American Standard variable speed gas...

    I have an American Standard variable speed gas furnace, with a variable speed draft inducer. (AUY060, also the same as a TUY060). Whenever the inducer is running, there is a lot of radio...
  45. Replies
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    2,861

    Hi Thanks for the information regarding Vision...

    Hi Thanks for the information regarding Vision Pro.

    I'm curious if the TB8220 has bigger/louder relays than the TH8321, TH8320, etc. Do the home (TH8xxx) vision pro thermostats have any...
  46. Replies
    15
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    2,861

    I was at a friend's place that has a setup with a...

    I was at a friend's place that has a setup with a Vision Pro TB8220 thermostat (commercial version of the Vision Pro series). The thermostat makes a loud click every time the system turned off / on....
  47. Replies
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    Check utility rebates (gas and electric) too. ...

    Check utility rebates (gas and electric) too. In Massachusetts, some electric utilities are offering decent rebates for Energy Star air conditioning units that have TXV valves. (I believe the new...
  48. Replies
    3
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    4,282

    Evap coil and upgrading the a/c unit

    I found the full model number of my indoor coil, it is
    TXC036C4HPC0. I'm just curious, are there any American Standard/Trane air conditioners that can be matched with this coil (and a TXV kit I...
  49. Replies
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    963

    I'm looking to replace my Braeburn thermostat...

    I'm looking to replace my Braeburn thermostat with a higher quality 2 stage model. I really like the Honeywell Vision Pro series, which I noticed Am Std/Trane use as OEM.

    The Honeywell TH8321...
  50. Replies
    3
    Views
    1,213

    Originally posted by xerman Hi, I am...

    [QUOTE]Originally posted by xerman
    Hi,
    I am getting a completely new Trane system: XV90, XL19i (4ton/2ton), CleanEffects filter (TFD210ALFR000A), all new ducts (2,000 sqft home), and 10 new...
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