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Control algorithm for backup power system

  • US 20070213876A1
  • Filed: 03/09/2006
  • Published: 09/13/2007
  • Est. Priority Date: 03/09/2006
  • Status: Active Grant
First Claim
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1. A method for controlling a heating unit operating on backup electrical power comprising the steps of:

  • (a) operating the heating unit according to at least one comfort mode when an estimate of remaining backup electrical power is above a threshold value; and

    , (b) operating the heating unit according to a long-term electrical power protection mode when an estimate of remaining backup electrical power is below a threshold value.

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