Apparatus and method of controlling the apparatus
First Claim
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1. A method of heating an enclosure with a boiler, the method comprising:
- generating a threshold for an on state of the boiler;
generating a threshold for an off state of the boiler;
determining if the boiler is in a short-cycling condition based on a number of transitions between the off state and the on state; and
if the boiler is in the short-cycling condition, automatically delaying the next on state for a predetermined time period.
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Abstract
The invention includes a controller for a boiler and a method of detecting a short-cycling condition of the boiler. The controller includes a user interface module, a short-cycling detection module, and an adjustment module. The method includes the acts of detecting when the boiler is in a short-cycling condition and introducing delays at various operational points throughout a heating process.
38 Citations
24 Claims
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1. A method of heating an enclosure with a boiler, the method comprising:
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generating a threshold for an on state of the boiler;
generating a threshold for an off state of the boiler;
determining if the boiler is in a short-cycling condition based on a number of transitions between the off state and the on state; and
if the boiler is in the short-cycling condition, automatically delaying the next on state for a predetermined time period. - View Dependent Claims (2, 3, 4, 5)
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6. A method of heating an enclosure with a boiler, the method comprising:
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generating a threshold for an on state for each stage of the boiler;
generating a threshold for an off state for each of the stages;
detecting that one of the stages is in a short-cycling condition based on a number of transitions between the off state and the on state for that stage;
determining which stage is in the short-cycling condition; and
automatically delaying the stage following the stage in which the short-cycling condition was detected for a predetermined time period. - View Dependent Claims (7, 8, 9, 10)
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11. A controller for a boiler, the controller comprising:
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a user interface module operable to receive an input;
a short-cycling detection module operable to detect when the boiler is in a short-cycling state; and
an adjustment module operable to adjust at least one operational parameter of the boiler to correct the short-cycling condition. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A boiler comprising:
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a burner having a plurality of stages; and
a controller operable to transmit commands to the burner, the commands operable to instruct the burner to operate at least one of the stages, the controller including a detection module operable to detect when the boiler is in a short-cycling state and the stage in which the short-cycling state occurred, and an adjustment module operable to delay the start of any stage that follows the stage in which the short-cycling state occurred. - View Dependent Claims (19, 20, 21, 22, 23, 24)
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Specification