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Thread: Problems with Trane XC95

  1. 02-12-2011, 03:04 PM #1
    hvac_mac
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    Problems with Trane XC95

    Just installed a Trane TUHM060. Venting with 3", LP converted. When unit fires up at 65% the valve is throttling rapidly, after about 3 min the outlet pressure has reduced to 0"wc and unit shuts down. The in coming pressure also throttles between 11" and 15" but seem to be caused by the furnace gas valve. if I disconnect the pressure hose on the positive pressure port a gas valve, the unit will run( still throttling) but pressure doesnt drop. After about 8 mins and unit reaches 70% capacity the pressure smooths out and unit runs great. I can only achieve this with that pressure hose disconnected from the gas valve though.
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  3. 02-12-2011, 03:38 PM #2
    beenthere
    beenthere is offline God Speed, Jim. We'll miss you - 2-26-23
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    Its not the gas valve.
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  4. 02-12-2011, 03:43 PM #3
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    ascj
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    Quote Originally Posted by beenthere View Post
    Its not the gas valve.
    And I've been warned about given hints in the public forums.
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  5. 02-12-2011, 03:48 PM #4
    beenthere
    beenthere is offline God Speed, Jim. We'll miss you - 2-26-23
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    Quote Originally Posted by ascj View Post
    And I've been warned about given hints in the public forums.
    But I didn't tell him to check the flux capacitor, so I think I'm safe.
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  6. 02-12-2011, 03:50 PM #5
    hvac_mac
    hvac_mac is offline Professional Member*
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    Just trying to get a couple ideas before I call Trane on Monday. Nothing I cam do until then anyway. I appreciate it
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  7. 02-12-2011, 03:59 PM #6
    hvac_mac
    hvac_mac is offline Professional Member*
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    What happened to this site? Techs could talk to other techs, i guess I'm not cool enough to talk to the big boys anymore. You guys rock!
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  8. 02-12-2011, 04:14 PM #7
    beenthere
    beenthere is offline God Speed, Jim. We'll miss you - 2-26-23
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    They still can. Just for the last 4 or 5 years, its done in the pro forums.
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  9. 02-12-2011, 04:18 PM #8
    beenthere
    beenthere is offline God Speed, Jim. We'll miss you - 2-26-23
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    Your not registered under 2 names are you.
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  10. 02-12-2011, 04:20 PM #9
    hvac_mac
    hvac_mac is offline Professional Member*
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    I signed up originally around 2000 and forgot my password and username, I had to open a new account, I think I got booted do to inactivity
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  11. 02-12-2011, 04:23 PM #10
    beenthere
    beenthere is offline God Speed, Jim. We'll miss you - 2-26-23
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    I see there is another account from the same company. Signed up in June 2009 I believe.
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  12. 02-12-2011, 04:26 PM #11
    hvac_mac
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    I am not sure, I see the link to apply for professional membership. So I will do that.
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  13. 02-14-2011, 12:28 PM #12
    hvac_mac
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    FYI. Trane is developing a new LP gas valve to fix this problem. Fix for now is to set thermostat to single stage operation.
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  14. 02-14-2011, 05:29 PM #13
    Hoosierland
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    FYI, I believe the new gas valve for propane is available now. May cure your problem. Ask dealer about new valve.
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  15. 02-14-2011, 05:32 PM #14
    hvac_mac
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    Confused

    Nice of them to give me the wrong one on Friday
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