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  1. #222
    Join Date
    Sep 2002
    Location
    Virginia
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    I just found a bad T6 wouldnt energize O for cooling , i get to the restaurant and its 95 inside pumping hot air , with stat set to cool

  2. #223
    Join Date
    Sep 2005
    Location
    Atlanta GA area
    Posts
    44,277
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    Wonder what would happen if you set the stat up for B style HP wiring (Rheem)...
    Be an interesting test to see what happened...
    GA-HVAC-Tech

    Your comfort, Your way, Everyday!

    GA's basic rules of home heating and AC upgrades:
    *Installation is more important than the brand of equipment
    *The duct system keeps the house comfortable; the equipment only heats and cools (and dehumidifies)
    *Cheap is not good, good is not cheap; however expensive is not a guarantee of quality!
    Choose your contractor wisely!

  3. #224
    Join Date
    Nov 2006
    Location
    Southeastern Pa
    Posts
    32,180
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    Quote Originally Posted by metrosound View Post
    I'm a facilities manager with 30 new HVAC unit's to oversee/maintain (that's why I joined the group). On a side note, I recently bought a residential property with a new Carrier system installed 4/19. We are not moved in and the heat has been kept at 55 degrees (Oct-Dec) while vacant. In the past two months the electricity bill has been $450 and now it's $831 (mind you, we are not even living there). The accumulator was covered in a thick coat of ice and that why I initially called for service. The installer came out and and replaced the T6 thermostat three times (twice with a T6, and now with a T4) saying they had a bad batch of T6 units and that the "T6 was energizing the reversing valve when it shouldn't." My question, isn't there a way to determine a thermo is bad without enduring $1300 in electricity bills? Also, is the T4 thermo a downgrade? And if Honeywell has a defective issue causing both heat and AC to run simultaneously, shouldn't this be mentioned to the installers? Thanks for your advice.
    Yes, I checked some 15 stats up to about a month ago. It is easy to do if you are a tech.

    My supply house just started getting the Series 6, which is now marked on the outside of the box, beneath the barcode.

    The new stat works correctly.

    And, you should go back to page one and read it.
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist
    Member, IAEI

    AOP Forum Rules:







  4. #225
    Join Date
    Aug 2018
    Location
    Piedmont Triad, NC
    Posts
    786
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    Quote Originally Posted by ga-hvac-tech View Post
    Wonder what would happen if you set the stat up for B style HP wiring (Rheem)...
    Be an interesting test to see what happened...
    It won’t fully activate the reversing valve. That was the problem with using it on Bosch systems. Also, I’ve had two fail out of the box to send a G signal so any heat pump would fail to operate.


    Sent from my iPhone using Tapatalk

  5. #226
    Join Date
    Sep 2002
    Location
    Virginia
    Posts
    6,863
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    Mine was series 4 date code 1919

  6. #227
    Join Date
    Sep 2005
    Location
    Atlanta GA area
    Posts
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    Quote Originally Posted by Achso017 View Post
    It won’t fully activate the reversing valve. That was the problem with using it on Bosch systems. Also, I’ve had two fail out of the box to send a G signal so any heat pump would fail to operate.


    Sent from my iPhone using Tapatalk
    THX...

    I had one that failed to send the Y signal... turned out to be that wiring plate thingy that goes behind the actual stat body.
    GA-HVAC-Tech

    Your comfort, Your way, Everyday!

    GA's basic rules of home heating and AC upgrades:
    *Installation is more important than the brand of equipment
    *The duct system keeps the house comfortable; the equipment only heats and cools (and dehumidifies)
    *Cheap is not good, good is not cheap; however expensive is not a guarantee of quality!
    Choose your contractor wisely!

  7. #228
    Join Date
    Aug 2018
    Location
    Piedmont Triad, NC
    Posts
    786
    Post Likes
    Quote Originally Posted by ga-hvac-tech View Post
    THX...

    I had one that failed to send the Y signal... turned out to be that wiring plate thingy that goes behind the actual stat body.
    On one of the failures I just popped off the t6 and plugged a t4 in its place. Worked like a charm. The other one I took everything off and put a pro 4000 back on it so I guess that one could’ve been the baseplate. The world will never know


    Sent from my iPhone using Tapatalk

  8. #229
    Join Date
    Jan 2020
    Posts
    1
    Post Likes
    I'm a Carrier FAD dealer in Georgia and got an order of (192) version 4 from Resideo last year. All of these were installed before we realised there was an issue. We've replaced roughly (100) so far in the past few months. This has been a large expense so far. I've seen the bulletin. Has anyone heard them announce a recall? Has anyone had Resideo step up to the plate and offer a labor allowance?

  9. #230
    Join Date
    Sep 2005
    Location
    Atlanta GA area
    Posts
    44,277
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    Quote Originally Posted by MiddleGAMech View Post
    I'm a Carrier FAD dealer in Georgia and got an order of (192) version 4 from Resideo last year. All of these were installed before we realised there was an issue. We've replaced roughly (100) so far in the past few months. This has been a large expense so far. I've seen the bulletin. Has anyone heard them announce a recall? Has anyone had Resideo step up to the plate and offer a labor allowance?
    Probably not gonna happen unless there is a lot of pressure from us contractors...

    Suggest you get your post count up and become a PRO member...
    Search the site, find the link, and apply; there is a wealth of information behind the PRO door.
    After all, this site is for PRO's, yet allows non pro's to read the open (smaller) section.
    GA-HVAC-Tech

    Your comfort, Your way, Everyday!

    GA's basic rules of home heating and AC upgrades:
    *Installation is more important than the brand of equipment
    *The duct system keeps the house comfortable; the equipment only heats and cools (and dehumidifies)
    *Cheap is not good, good is not cheap; however expensive is not a guarantee of quality!
    Choose your contractor wisely!

  10. #231
    Join Date
    Aug 2002
    Location
    Southold, NY
    Posts
    27,291
    Post Likes
    Quote Originally Posted by MiddleGAMech View Post
    I'm a Carrier FAD dealer in Georgia and got an order of (192) version 4 from Resideo last year. All of these were installed before we realised there was an issue. We've replaced roughly (100) so far in the past few months. This has been a large expense so far. I've seen the bulletin. Has anyone heard them announce a recall? Has anyone had Resideo step up to the plate and offer a labor allowance?
    Yea

    Right after the rust inhibitor issues.

  11. #232
    Join Date
    Sep 2019
    Posts
    11
    Post Likes
    I sent that very question to our Resideo representative late last week.
    I told him that an occasional failure is expected and we figure that cost into doing business, but a failure rate this high should have some type of compensation for us from Resideo.
    He has not replied yet so I doubt that they have a plan in place yet or else they do not want to put a payout plan in place.
    I would advise everyone with these problem T6 series 4 stats to be sure to document everything carefully. Name & address of client, date of install, date of failure, type of failure, serial number of old, serial number of new and the amount of time it has taken to go out and replace the stats and the time it takes to do all the warranty claims. I have been down this road with many issues similar to this one during my 33 years in this business and without all this documentation, big companies will deny any claims.

  12. #233
    Join Date
    Aug 2018
    Location
    Piedmont Triad, NC
    Posts
    786
    Post Likes
    It was kind of funny. This morning I went to our local Baker to pick up some parts and saw a pile of 7 or 8 T-series Tstats laying in a pile on the counter. Asked the guy behind the counter if they were T6’s. He said yup. All series 4. They’re still waiting for a shipment of series 5’s.

  13. #234
    Join Date
    Nov 2006
    Location
    Southeastern Pa
    Posts
    32,180
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    I installed my first T6 since October...a Series 6. Seems all is well.
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist
    Member, IAEI

    AOP Forum Rules:







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