QA Two-Stage Boiler Control

Brand: SHE

QA Two-Stage Boiler Control will connect your thermostats directly to boiler logic and intelligently modulates power according to the actual needs of individual rooms. The result is perfect thermal comfort, protection against cycling and maximum savings through condensation mode prioritization.

Availability Registered only
€24 €20 excl. VAT
QA Two-Stage Boiler Control
Brand: SHE
Automatic installation
SHE ecosystem
Easy setup

⚡🔥 QA Two-Stage Boiler Control

QA Two-Stage Boiler Control is a sophisticated application for advanced heating automation. It acts as an intermediary between your smart thermostats and heat source. It regularly evaluates the difference between actual and desired temperature in each room and intelligently switches between stage 1 or stage 2 boiler output based on this analysis.
The application not only increases efficiency and comfort, but actively monitors operational safety and optimizes combustion efficiency.

💼 Business Presentation

Transform "dumb" boiler switching into an intelligent system that truly understands your home's needs. This application solves the common problem where a small heat demand unnecessarily triggers the boiler at full power.
Thanks to direct connection to thermostats, it responds immediately even to manual temperature adjustments. A unique algorithm furthermore saves your money by forcing a more economical stage 1 under certain conditions to keep the boiler in an efficient condensing range.

📊 Analysis and Data Processing

For clear visualization, work with measurement history, and charts, we recommend integration with SCADA Mervis.

🧪 TRIAL – Test Version

Try the switching logic and response of the QA Two-Stage Boiler Control application in your system.
TRIAL version unlocks full functionality for 2 days.
Download here: ⬇️ Download trial version

⚠️ Note

The application requires properly installed and system-integrated zone thermostats and temperature sensors (return water, outdoor temperature) to utilize all optimization functions.

⚙️ Key Features

Smart Heating Logic

  • Direct thermostat connection: The application automatically finds thermostats in selected sections and regularly monitors their requests. It responds immediately even to manual thermostat adjustment.
  • Two-stage control: Distinguishes between "normal heating" request (stage 1) and "quick heat-up" (stage 2) based on temperature deviation size.
  • Small room filtering: A function that prevents high power activation (heat-up) if the request comes only from a small room (e.g., WC) where overheating would occur.
  • Condensation optimization: If return water temperature and outdoor temperature exceed set limits, the application forces stage 1 instead of stage 2 to ensure higher efficiency of the condensing boiler.
  • Safety notifications: Alerts you if heating water temperature is too high, or conversely if the boiler is not heating despite receiving the command.
  • Clear dashboard: Displays a list of all monitored thermostats, their current temperatures, and heating request states.

🔄 Operating Modes

  • MONITORING: Continuous monitoring of the difference between measured and desired temperature in all zones.
  • NORMAL HEATING MODE (Stage 1): Activates with smaller temperature differences or during forced condensation optimization.
  • HEAT-UP MODE (Stage 2): Activates with large temperature differences (e.g., return from vacation) for rapid heat buildup, unless blocked by small room logic.
  • ECO OPTIMIZATION: Specific state where the system ignores heat-up requests and maintains lower power due to high return water temperature (gas savings).

🔌 Function Requirements and Required Applications

  • Fibaro HC3 / Yubii Home control unit
  • Compatible thermostats integrated in the system
  • Temperature sensors for measuring return water and outdoor temperature (for advanced logic)
  • Integration with global climate panel (Global Climate Mode)

🌍 Language Packages

🇨🇿 Czech 🇬🇧 English

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