difference betwee trane 4ttx6036 and 4ttz0036

smoyertAugust 23, 2010

We are getting estimates on the Trane XL20i and two contractors have given us bids on two different outdoor units: Trane 4TTX6036 AND 4TTZ0036(airhandlers are the same: (4TEE3CO4). The difference in price is about $600.

It is difficult to compare when the quotes are on different models. We live in South Florida and are aware of the FPL rebate and government tax credit. We have a White-Rodgers digital thermostat now.. do we need a different type with the new system?

We'd appreciate your advise. Thanks!

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johnhvac

The 4TTZ0036 is a 20 seer 2 stage a/c

The 4TTX6036 is a 26 seer single stage a/c

For the 4TTZ0036 you should have a 2 stage thermostat to let the thermostat control the 2 stages of cooling

    Bookmark   August 24, 2010 at 6:55AM
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tigerdunes

smoyert

you have been quoted two different Trane three ton two stg AC condenser systems.

The 4TTX6036 is the XL16i-a two step compressor.

The 4TTZ036 is the XL20i-a two compressor condenser.

here are the AHRI numbers.

3852423 Active Systems XL16I TRANE 4TTX6036E1 4TEE3C04A1 36000 13.00 18.00

3220642 Active Systems XL20I TRANE 4TTZ0036A1 4TEE3C04A1 36800 13.00 18.50

While the numbers are essentially the same and without going into why, I would not recommend the XL16i and think in the long run you would be happier with the XL20i.

what mdl thermostat was quoted?

new lineset to be installed?

any whole house air filter?

here is a link below that might be helpful.

any small heat strip?

IMO
Good Luck

Here is a link that might be useful: Trane Comparison

    Bookmark   August 24, 2010 at 7:21AM
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johnhvac

Hey Tigerdunes I have a question

Isn't the 4TTx6036 single stage condenser?

Trane Nomenclature

http://www.trane.com/webcache/un/miscellaneous%20(unitary)%20(mscu)/product/22-8301-19_1q_toc_02012009.pdf

Btw yes I had a typo there isn't a 26 seer a/c unit

    Bookmark   August 24, 2010 at 5:09PM
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tigerdunes

john

see link.

and I would not recommend the XL16i.

IMO

Here is a link that might be useful: XL16i AC Condenser

    Bookmark   August 24, 2010 at 5:48PM
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airstarsolutions

...and having (3) failures on my 19i since Mother's Day...I have my own opinions of that model as well.

First, take off the sound blankets, in South Florida - they tend to trip the overloads.

Second, ask for spare boards...(3) failures since Mother's Day - blamed on FPL for voltage imbalance...funny, nothing else in my home has burnt out?

Third...don't go with the already obsolete TCONT900 series thermostat - get a new Honeywell 2-Wire Prestige and have better control of temperature differences, humidity and staging...you don't need a Trane Stat to operate a Trane system.

Finally...you will see little to no difference in power savings...I had R22 15 SEER in my home previously, replaced with 19i R410 and have nearly identical power consumption comparing months.

    Bookmark   August 30, 2010 at 7:25AM
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bishopwhite130_aol_com

I have been quoted prices on the Trane XL16 (4TTX6036) 3 ton and XR15 (4TTR5030) 2.5 ton.

I currently have a 2.5 ton, which is the best system.

    Bookmark   September 9, 2011 at 6:54AM
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tigerdunes

This thread has expired.

Repost as a separate question and someone will be glad to help you.

IMO

    Bookmark   September 9, 2011 at 7:28AM
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