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System and method for controlling hydronic systems having multiple sources and multiple loads

  • US 8,041,461 B2
  • Filed: 12/06/2010
  • Issued: 10/18/2011
  • Est. Priority Date: 05/13/2008
  • Status: Active Grant
First Claim
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1. A controller for a temperature control system in communication with a plurality of heat sources defined by a minimum and maximum number of sources, a plurality of source sensors, a plurality of heat loads defined by a minimum and maximum number of loads and a plurality of load sensors, the controller comprising:

  • a ranking module defining a rule set for ranking the plurality of sources and the plurality of loads according to at least one of the number of sources, the number of loads, the types of sources and the types of loads;

    a sensor interface receiving source sensor data and load sensor data from the plurality of source sensors and the plurality of load sensors;

    a monitor module monitoring the source sensor data and the load sensor data in substantially real-time;

    an alert module generating an alert signal when one of the source sensor data and the load sensor data is different from predefined sensor setpoint values;

    an actuator module generating a control signal to fluidly or thermally couple or decouple at least one selected source to at least one selected load based, in part, on the ranking of the plurality of loads; and

    a processor receiving the alert signal from the alert module, receiving the rule set from the ranking module and communicating with the actuator module to substantially align the source sensor data or the load sensor data with the predefined sensor threshold values, the processor instructing the actuator module to alter the coupling status of at least one selected source from at least one selected load when the alert module modifies the alert signal.

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