Problem with Trane XR15 - Page 2
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  1. #14
    Join Date
    Aug 2004
    Location
    North Richland Hills, Texas
    Posts
    14,914
    Quote Originally Posted by 545GAlady View Post
    I already mentioned the indoor coil model number in one of my previous posts. Here it is again:

    4TXCBO42BC3HCBA
    That is an appropriate coil for the outdoor unit you have, so the equipment selection isn't the problem.
    If more government is the answer, then it's a really stupid question.

  2. #15
    Join Date
    Aug 2007
    Location
    Northern VA 38 degrees N by 76 degrees W
    Posts
    5,058
    Quote Originally Posted by 545GAlady View Post
    Attachment 311391

    Model number is YTH9421C1002

    Honeywell VisionPRO IAQ
    Everything is compatible, it could just be the programing in the Tstat is not set up correctly allowing the furnace and HP to run simultaneously.

  3. #16
    Join Date
    Sep 2012
    Posts
    373
    Quote Originally Posted by second opinion View Post
    Everything is compatible, it could just be the programing in the Tstat is not set up correctly allowing the furnace and HP to run simultaneously.
    The installers did test the emergency heat and the furnace itself did run in heat mode at that time. The heat pump lock out temperature is set at 40*F so the furnace will only run if it's below that temp outside. So I believe that part is set up properly.

  4. #17
    Join Date
    Sep 2012
    Posts
    373
    The furnace did not run at the same time as the heat pump. Only the blower was operating at the time besides the outdoor unit.

  5. #18
    Join Date
    Sep 2012
    Location
    Missouri
    Posts
    53
    This is the Ask Our Pro's forum. In order to post a response here, you must have verified qualifications and have been approved by the AOP Committee. You may ask a question by starting a new thread.

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    Additional infractions may result in loss of posting privileges.
    Last edited by jpsmith1cm; 09-25-2012 at 05:57 AM. Reason: non AOP member

  6. #19
    Join Date
    Oct 2005
    Location
    Pacific Northwest
    Posts
    2,266
    Have the tech check the test mode jumper on the defrost board.

  7. #20
    Join Date
    Sep 2012
    Posts
    373
    Quote Originally Posted by crmont View Post
    Have the tech check the test mode jumper on the defrost board.
    OK I will. Thanks

  8. #21
    Join Date
    Sep 2012
    Posts
    373
    Is there a possibility that the unit is overcharged?

  9. #22
    Join Date
    Oct 2005
    Location
    Pacific Northwest
    Posts
    2,266
    Quote Originally Posted by 545GAlady View Post
    Is there a possibility that the unit is overcharged?
    Anything is possible, but a high or low pressure event usually doesn't reset in a few seconds as you described.

  10. #23
    Join Date
    Sep 2008
    Location
    Western PA
    Posts
    25,343
    JES

    This is the Ask Our Pro's forum. In order to post a response here, you must have verified qualifications and have been approved by the AOP Committee. You may ask a question by starting a new thread.

    You can find the rules for posting and qualifications here.

    Additional infractions may result in loss of posting privileges.

  11. #24
    Join Date
    Sep 2012
    Posts
    373
    Quote Originally Posted by crmont View Post
    Anything is possible, but a high or low pressure event usually doesn't reset in a few seconds as you described.
    Thanks. When the unit turned off, it was only off for about 10 to 15 seconds before it turned back on. Mostly 10 seconds.

  12. #25
    Join Date
    Oct 2010
    Location
    Anderson, South Carolina, United States
    Posts
    6,250
    Quote Originally Posted by 545GAlady View Post
    Thanks. When the unit turned off, it was only off for about 10 to 15 seconds before it turned back on. Mostly 10 seconds.
    It is really bad for the compressor to attempt to start so quickly after shutting off.

  13. #26
    Join Date
    Sep 2012
    Posts
    373
    Quote Originally Posted by jtrammel View Post
    It is really bad for the compressor to attempt to start so quickly after shutting off.
    Yeah I thought so.

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