System and method for controlling hydronic systems having multiple sources and multiple loads
First Claim
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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Abstract
A system and method are provided to control hydronic systems having a plurality of sources, including at least one of an on-demand source, a semi-on-demand source, and an intermittent source that are fluidly or thermally coupled to a plurality of load zones. The hydronic system device obtains performance measurements for system components to provide system metrics, including failure diagnostics, energy capture, and usage optimization. The hydronic system device may also calculate British Thermal Units produced and used by the plurality of sources and loads to calculate incentives, including renewable energy credits.
65 Citations
14 Claims
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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:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of controlling a temperature control system 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 method comprising:
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defining a rule set for ranking the plurality of sources and the plurality of loads, the rule set being based on at least one of the number of sources, the number of loads, the types of sources and the types of loads; receiving source sensor data and load sensor data; monitoring the source sensor data and the load sensor data in substantially real-time; generating an alert signal when one of the source sensor data or the load sensor data is different from predefined sensor setpoint values; generating a control signal to fluidly or thermally couple selected ones of the plurality of sources to selected ones of the plurality of loads, or to fluidly or thermally decouple the plurality of sources and loads, the control signal being based on the alert signal and the set of ranking rules; and altering the coupling status of at least one selected source from at least one selected load when the alert signal is modified. - View Dependent Claims (11, 12, 13, 14)
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Specification