About Danfoss Icon2(TM)
The Danfoss Icon2™ App is used in combination with the Danfoss Icon2™ Floor heating control system for easy and convenient commissioning and configuration. Use the App for easy-to-follow step by step instructions and to...
The Danfoss Icon2™ App is used in combination with the Danfoss Icon2™ Floor heating control system for easy and convenient commissioning and configuration.
Use the App for easy-to-follow step by step instructions and to select between the applications in the comprehensive catalogue floor heating / cooling applications.
The Danfoss Icon2™ App is required when using other than default settings on the Danfoss Icon2™ Main Controller or if an advanced application is required.
Previous Versions
Here you can find the changelog of Danfoss Icon2(TM) since it was posted on our website on 2024-04-30 14:02:21.
The latest version is and it was updated on 2026-06-13 19:28:59. See below the changes in each version.
Danfoss Icon2(TM) version
Updated At: 2026-03-09
Changes: Changes on the commissioning report layout
Changes to the System overview page
Changes to how Secondary MCs are added to existing installations
Changes to Room overview page, when one room thermostat is connected to more than one outputs
Changes to include an updated blinking pattern sheet
Bugfix to avoid outputs with missing room thermostat
Bugfix to avoid room thermostats showing cooling mode by mistake
Bugfix to resume room thermostat pairing after lost Bluetooth connection with MC
Danfoss Icon2(TM) version
Updated At: 2026-01-08
Changes: Improvements to firmware update of the main controller.
Danfoss Icon2(TM) version
Updated At: 2025-11-24
Changes: • Support for Android 16
• Feature to improve the user journey when you want to add Secondary MCs from the Room Overview page on existing installation.
• Feature to inform the user that his Bluetooth connection is lost after 30 seconds, and recommend him to re-activate Bluetooth on the MC.
• Feature to include an animation when log files are being cleaned up.
• Re-organize the main MC page into two columns, to give a better overview
• Update the blinking pattern sheet included in the app.
Danfoss Icon2(TM) version
Updated At: 2025-09-18
Changes: • An animation is added to the app during the cleanup of memory, before a firmware update
• The Main Controller will now be set to “Install mode” during firmware update, to ensure the process goes as smoothly as possible
• Secondary MCs, who are now shown also as Repeaters will have a label in front of their name, to make it clear to the user that it is a secondary mc.
• Various bugfixes
Danfoss Icon2(TM) version 1.3.7
Updated At: 2025-08-27
Changes: • Latest available public Main controller firmware will be included in the app for offline updates.
• Before firmware update, the app will validate if the MC has enough free memory. If not, it will offer to perform a memory cleanup.
• On the room overview page, Secondary MCs will be displayed also under the Repeater section, as they are in fact acting also as repeaters.
• Bugfix related to Android 15 and specific phone models
• Various other bugfixes
Danfoss Icon2(TM) version 1.3.5
Updated At: 2025-07-04
Changes: - Included animations to the firmware update flow;
- Transfer of update file
- Installation of the new firmware
- Controller is restarting
- Activate Bluetooth if controller did not do it
- During Multi MC firmware update, recommend to factory reset controller after the update
- When user opens Icon2 App, it will check automatically if there is a new app version available and if so recommend updating.
- Various bug fixes
- Compability for Android 15
Danfoss Icon2(TM) version 1.3.4
Updated At: 2025-06-23
Changes: - Improvements to the network test
- Explanation of the Main Controllers Blinking Patterns is now available from the main app page under the (i) button
- Included a warning of the importance for specific firmware updates
- Included reminder not to restart the main controller during firmware updates
- Included new animations to better explain user actions and behaviour of the main controller
- Bugfix to avoid situations where a room thermostat is not connected to an output/room
Danfoss Icon2(TM) version 1.3.3
Updated At: 2025-04-22
Changes: - Change to the format of the installation report which is stored locally on the Main Controller
- Bug fix to the network test related to when the installation uses multiple ZigBee repeaters
- Bug fix related to when the user wants to connect a ZigBee Repeater to the Main Controller
- Various other smaller improvements
Danfoss Icon2(TM) version 1.3.1
Updated At: 2025-01-27
Changes: Bugfixes
Danfoss Icon2(TM) version 1.3.0
Updated At: 2024-11-01
Changes: Multi controller system support
Installation steps optimization
Network test improvements
Disclaimer
Official Google Play Link
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