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  1. Replies
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    I asked my contractor how the dehumidifier was...

    I asked my contractor how the dehumidifier was going to work with the zone panel and dampers and he didn't know but is looking into it. Since the zone panel is not part of dehumidification with an...
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    Thanks guys. I hope to take a few pictures...

    Thanks guys. I hope to take a few pictures tomorrow and will post here.

    I appreciate the suggestion regarding placement of the filters. If a central filter is not a reasonable option I may go...
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    Thanks firecontrol. I plan on asking my...

    Thanks firecontrol. I plan on asking my contractor today about the zoning question. I think I know how it might operate but I sure would appreciate an expert opinion by you pros here.

    Thanks for...
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    Dehumidifier with Zoning

    I've been speaking to a contractor about installing a Honeywell DR90 or 120 for whole house dehumidification. The 2000 square foot basement is the high humidity area and I cannot bring the humidity...
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    Air Handler Air Filter

    My HVAC contractor suggested I install a 1" filter in the empty slot in our Trane air handler. Our system has 3 returns each with a 1" Merv 4 Flanders filter. I would like to have a good whole house...
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    Honeywell Thermostat Combined E/AUX

    Hello,

    I'm replacing a Honeywell VisonPRO 8320U1008 with a Honeywell VisionPRO TH8321U1097 on my 2H/1C heat pump and I discovered that the E and Aux terminals are now combined into a single E/AUX...
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    Thanks. The installation was done 4 years ago...

    Thanks.

    The installation was done 4 years ago and the contractor has gone out of business.
  8. Replies
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    HZ322 Panel and Emergency Heat

    Our Trane air handler has a HZ322 zone panel installed on it. How does the "emergency heat" button operate? Does it turn on auxiliary heat permanently or just for 1 heating cycle? Does it shutoff the...
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    Thanks all. Another word for this noise is...

    Thanks all. Another word for this noise is pulsating, which I just read someone else also having this noise with a Trane HP. Can something be done to lessen the noise other than moving the HP? I...
  10. Replies
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    420

    I'm sorry, I don't understand your question. Are...

    I'm sorry, I don't understand your question. Are there general guidelines for setting up the aux heat cfm?
  11. Replies
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    420

    Defrost Cycle Fan CFM

    Is the general thought for setting defrost cycle fan CFM to be roughly the same as normal operation CFM? Are there any good reasons for setting it higher than normal operation?

    Thanks.
  12. Replies
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    Repetetive Cyclic Droning Heat Pump Noise

    Because our Trane XL14i 3-1/2 ton HP is somewhat close to our bedroom window, I hear all the noises it makes. When the temps are about 36 degrees or higher, the operational running noise sounds like...
  13. Thanks cartercrew. I've timed the heat cycle and...

    Thanks cartercrew. I've timed the heat cycle and it's following the ramp up time as described in the installer guide. Thanks also for the tip regarding the fan speed and I've lowered it to 350 cfm....
  14. Thanks Danimal535. So if this is normal...

    Thanks Danimal535.

    So if this is normal operation, is it the IAQ that's initiating the ramp up in speed? Is the ramp up in speed based on how long the heat cycle has been running vs. the increase...
  15. Thanks all. Enhanced mode is set on the air...

    Thanks all. Enhanced mode is set on the air handler. Should I not be using Enhanced mode with the IAQ? For reference the airflow dip switches are set as follows: 1,2 off, 3 on, 4 off, 5,6,7 on, 8...
  16. Thanks Tempted. I'm not referring to the blower...

    Thanks Tempted. I'm not referring to the blower off delay, which presently is set for 90 seconds. When the HP shuts off the fan goes to a very low speed for 90 seconds. What I'm referring to...
  17. Just adding that the HP is a Trane XL14i...

    Just adding that the HP is a Trane XL14i 2TWX4042B1000AA and the air handler is a Trane Convertible Variable Speed 2TEE3F40A1000A.
  18. IAQ heating and variable speed air handler operation

    We have a Honeywell IAQ thermostat controlling a Trane variable speed air handler and Trane HP. As the overnight temperatures approach and go below freezing the blower speed increases at the end of...
  19. Replies
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    Trane Heat Pump Operation and Noise

    I have a Trane XL14i heat pump that is located close enough to our bedroom windows that the noise bothers me at night. I've noticed that as the outside temperature goes down near freezing the noise...
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    Thanks all. I cut off the old trap and yes it was...

    Thanks all. I cut off the old trap and yes it was partially clogged. I installed a new trap with a cleanout and all is well. I was very surprised to see with only a partial clog the condensation...
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    I'm also thinking the drain line may be partially...

    I'm also thinking the drain line may be partially clogged. Since I need to install a clean out tee I'm just going to replace the whole trap and then go from there. Thanks.
  22. Replies
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    Trane Air Handler Condensation Leak

    Hello all,

    When the AC is running on our Trane XL14i Heat Pump the air handler has a condensation leak on the right side by the condensation drain line. The air handler is Trane model...
  23. Replies
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    The problem was diagnosed as a bad furnace blower...

    The problem was diagnosed as a bad furnace blower motor which had to be ordered.
  24. Replies
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    Thanks guys. As luck would have it, one of my AC...

    Thanks guys. As luck would have it, one of my AC condensors died last night. Refrigerant line outside frozen over. Service tech coming out later today.
  25. Replies
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    Routine A/C Maintenance

    We've lived in our new home for about 5 years and the Armstrong A/C condensors have never been serviced. We live in the south so we've recently begun our A/C season.

    How often should the...
  26. Replies
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    Thanks Energy_Rater_La. We live in the south and...

    Thanks Energy_Rater_La. We live in the south and they may foam the roof deck and all exterior walls in the attic. All vents are to be sealed, including the ridge vent.
  27. Replies
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    Thanks all. I didn't consider the possibility for...

    Thanks all. I didn't consider the possibility for moisture related problems. No mention of the air handlers' motors burning up so maybe that isn't an issue?
  28. Replies
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    What do you think of Icenyne?

    I'm thinking of having Icenyne installed in our house. I read many pros and cons and maybe what it comes down to is the workmanship of the installer. What do you think of it? Have you personally seen...
  29. Replies
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    Air Handlers and Icenyne

    I'm considering having Icenyne installed in our house. There are 2 small exterior vented knee walls cavities that have the air handlers for the heat pumps. I'm also thinking of having the exterior...
  30. Replies
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    I've had the 12 gallon model in a part time home...

    I've had the 12 gallon model in a part time home for almost 2 years. I'm very happy with it and haven't had any problems, but installation for my installer was tricky and it took several attempts to...
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    Thanks!

    Thanks!
  32. Replies
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    Is there a specific type of vibration isolator...

    Is there a specific type of vibration isolator you have in mind?

    Thanks,
    Dave
  33. Replies
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    Dampen Noise from Air Handler

    We have a small air handler for a bedroom upstairs. The air handler is in small nook in a closet in the bathroom. The entire upstairs bedroom is above our kitchen. The air handler is mounted...
  34. Replies
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    Our heat pump is a Trane XL14i 3.5 ton unit. As a...

    Our heat pump is a Trane XL14i 3.5 ton unit. As a rough starting point, I'll assume the general fan range should be 1225 cfm to 1400 cfm.

    Thanks.
  35. Replies
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    When my HVAC installed the system, he set up the...

    When my HVAC installed the system, he set up the fan speed. A service tech came out later and asked how I liked the fan speed. He said he could increase it and I agreed. I had it that way for a...
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    Thanks gunslinger.

    Thanks gunslinger.
  37. Replies
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    Air Handler CFM

    We have a heat pump system and I'm wondering about the air handler speed. Is the speed set based on comfort level and/or wind noise or some other criteria? What is the effect of increasing the air...
  38. Replies
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    Flexible Duct Damper

    We have a 2 year old home with insulated flexible ducts from the plenum to the registers. Is it possible to install manual dampers in these ducts? The number 6" is written on the outside of the duct...
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    At 50 degrees, you think antifreeze in the toilet...

    At 50 degrees, you think antifreeze in the toilet or even the traps is a necessary? I've been keeping the thermostat at 50 for 2 winters and haven't had a problem with freezing water, and last winter...
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    Thanks DanW13, The space is insulated. We...

    Thanks DanW13,

    The space is insulated. We don't use the room over the winter months so I thought I would shut it down all together this winter and avoid heat pump usage and bills.

    Over the past...
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    Winterize Guest Room

    We have a guest room above an attached garage in NC. The HVAC is a Trane XL14 heat pump. There's a shower, toilet, and 2 sinks in the guest room.

    This winter I would like to shut this room down...
  42. Replies
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    We have Noritz tankless water heaters and they...

    We have Noritz tankless water heaters and they work great. They sense the call for hot water very quickly. I've never experienced a problem where the heaters can't meet the demand, small or large.
    ...
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    Do you have the Honeywell TH8000 install manual?...

    Do you have the Honeywell TH8000 install manual? If not, download it from Honeywell. Spend some time with it to learn how your thermostat is internally programmed. Once you're comfortable with...
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    If you decide to have an energy audit, see here:...

    If you decide to have an energy audit, see here:
    http://hvac-talk.com/vbb/showthread.php?t=474282

    I'm having one done next week.
  45. Replies
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    Thanks. I know one of the disadvantages of a...

    Thanks. I know one of the disadvantages of a sealed crawl space is it makes it difficult to check for termite tubes. Our crawl space already has insulation between the floor joists, but nothing on...
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    Sealed Crawl Space

    Just looking for your thoughts on sealed crawl spaces. We have a 4 year-old home and after crawling around in it today I thought I would give a sealed system a look. We have a conventional dirt floor...
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    Holy Cow, $100? My scheduled test cost $450, and...

    Holy Cow, $100? My scheduled test cost $450, and no infrared scan or Manual J. Is $450 way out of line?
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    Thanks all, excellent info.

    Thanks all, excellent info.
  49. Replies
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    Do you try everything that's shown in the...

    Do you try everything that's shown in the installation guide, page 20?
  50. Replies
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    You're correct. I'm looking at this from an air...

    You're correct. I'm looking at this from an air leakage point of view. The rater says they will provide me with a list of actionable items to correct any deficiencies observed when performing the...
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