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  1. 08-15-2010, 01:21 PM #1
    YMHVAC
    YMHVAC is offline Regular Guest
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    Aug 2010
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    Winston-Salem, NC
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    Problems with XCI Controls/EcoJay Res. zone controls?

    Anyone using these controls have problems with zone board failures after thunderstorms? Model#s: SZ-2D, SZ-4D.
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  2. 04-04-2011, 11:10 AM #2
    swcole
    swcole is offline New Guest
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    Apr 2011
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    This is typically caused by power surges. This 24V board cannot handle more than 30V without causing failure or problems. I highly recommend that you install a line voltage surge protector at wherever you have installed your transformer and install one on the 24V connection. You can not have too much surge protection.
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  3. 04-20-2011, 09:01 PM #3
    YMHVAC
    YMHVAC is offline Regular Guest
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    Aug 2010
    Location
    Winston-Salem, NC
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    Got word on this issue from manfacturer that the "wiring" on the board was incorrect. The thunderstorms were just coincidental. This issue has been resolved by the manufacturer.
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