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Read the user's information guide. It can be found online. It tells you how to set the elapsed time, among other things. I set mine based on the frequency of cleaning my F300 on another system. For...

This may be a dumb question. What would be the benefit to spend big $$$ on a 20i system that does not have a communicating air handler/furnace? Lower kw usage? I didn't realize such equipment...

GlobalEX,
I had a 20i installed in Feb, no issues. Local dealer in-house rebate and fed and local utility rebates dropped the price to the same as a 14i. I really wanted a system that could drop...

I thought only a few wouldn't meet it. I certainly wouldn't buy one if I couldn't get the credit. Is it primarily the larger systems?

How big and how many returns do you currently have? If I'm not mistaken I think 150 square inches of net free area/ton is recommended. This is not the same as grill sizes. Even if your return ducts...

Th3,
A 20i should qualify for the $1500 federal tax credit, which should all but eliminate the 20% price diff on the 16i. Additionally, your local utility may have a rebate on qualifying high...

It depends. You may get a bigger rebate from Trane/feds/local uitility if going w/the 20i; which would bring the price delta down, and result in permanently lower kw usage than running a larger...

I stand corrected! I think. My current settings of 400/ton and ISU 182 @ 50% and ISU 387 at 80% equals 160 cfm on a call to dehu. At least this is how I understand it to work. I welcome...

I just had a 20i installed with the TCON900 stat. It does not need an EIM and only uses 3 wires to furnace board . It has two types of humidity control, one I believe is the standard IAQ control...

It is a sad time to be growing up. And no, JonDeere, I don't have 22 kids. I adopted two step-children and the Good Lord blessed us with a daughter and twins when the all-knowing doctors said we'd...

JonDeere Quote:
Originally Posted by gary_g
25%? Why stop there?

I just threw a number out there

What I think it will probably end up being is, costing the HO a little more than the rebate...

JonDeere,
Are you a HVAC contractor? I'm just trying to understand why having a higher tax credit for HO's means automatically charging them more.

Is the TCON900 a Trane branded IAQ?

My oldest furnace has been condemned at 25 years old. I've decided to take this opportunity to replace the whole system. I already have a 19i and am very happy with it. One of the local Trane...

:) I'm with Beenthere's response. If it never cycles on 2nd stage then why have it? And if 1st stage holds setpoint on design day then isn't that stage's real world capacity equal to the load on...

I have a F300 on one of my systems. Works great. We noticed a decrease in dust in the areas it services. (Although it was part of a new system with original ductwork) I use cheap f/g for pre-filter...

You may have a negative pressure on the home driving the higher OD humidity inside. I recently replaced my leaky single pane windows and am noticing greater comfort, ie less humidity, with minimal...

I thought cph meant the maximum number of cycles per hour, not the average. My vp 8k is set at 3 cph and it doesn't average that regardless of the load. At least I've never noticed that it does. ...

The downsize to oversize is like Baldloonie said, you paid a lot for single stage system. Price out the difference between a 5 ton single stage vs the xl 19i. What is the load on the home at...

It's my understanding that the second stage should run near continuously at design temp, not the first stage. I would find out what design temp was used for your system and verify the dip switches...

Tigerdunes,
You mean none of this link is true? According to it, many 19i's qualify.
https://www.mytranecontrols.com/Residential/Downloads/Trane%20Central%20Air%20Conditioners.pdf

Don't forget the Trane rebate. 1K on a system I'm looking at that makes the 19i very cost competitive with the 14i. You've got to use a Trane stat but chances are adjusting your dip switches will...

If this were my only unit it would have been history 3 years ago. However, it is one of three and is only 1.5T. Real world kw savings will never pay to replace it. As it is it might run 6-8 hrs/day...

When we bought our current home 3 years ago it still had 3 working 1984 Ruud condensers with Rheem furnaces of the same vintage. We changed one by choice 2 years ago, one last year ago that shorted...

I had issues with a HD/Trane install. You can read my thread. What saved my butt was that I charged it on my HD card and HD's policy is that you don't pay a dime until you're satisfied. Well, I...