Verfahren zur steuerung eines hydronischen systems

AT1924006TActive Publication Date: 2026-06-15GRUNDFOS HLDG
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Patent Information

Application Number
AT2023708709T
Authority / Receiving Office
AT · AT
Patent Type
Patents
Current Assignee / Owner
Priority Date
2022-03-01
Filing Date
2023-02-23
Publication Date
2026-06-15
Estimated Expiration
2043-02-23

AI Technical Summary

Technical Problem

Hydronic systems face challenges in optimally distributing thermal energy across different load circuits, such as floor heating and radiator circuits, and often experience noise issues due to uneven energy supply and flow rates.

Method used

A method and hydraulic unit that utilize a changeover valve and central control device to selectively activate and adjust the duty cycles, temperature, and flow of heat transfer medium in multiple load circuits, ensuring energy distribution matches demand and minimizing noise by optimizing energy supply through a circulator pump and mixing valve.

Benefits of technology

This approach allows for optimized energy distribution across load circuits, reducing energy consumption and noise, while ensuring comfort by adjusting parameters like duty cycles, temperature, and flow to match energy demand, thereby enhancing overall system efficiency.

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Abstract

The invention to a method for controlling a hydronic system having a thermal source (2) and at least a first (4) and a second (6) load circuit connected to the thermal source via a hydraulic system (8) having a changeover valve (16), said changeover valve (16) being configured to selectively activate a flow of heat transfer medium through the first (4) or the second (6) load circuit, wherein for distributing the required thermal energy to the load circuits (4, 6) in at least one operational condition a duty cycle for the first load (4) circuit is extended, resulting in a shortening of the duty cycle of the second load circuit (6), and for compensating this shortening of the duty cycle the temperature and / or flow of the heat transfer medium supplied to the second load circuit (6) are adjusted, as well as a hydraulic unit for a hydronic system.
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