Danfoss Link CC Fact sheet
Technical Paper
Overview - Danfoss Link™ and Connect software versions
Danfoss Link™ CC Mk II (with miniSD card) software
Version |
Release |
Changes and New Features |
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Version |
01-12-2010 |
The initial Danfoss Link™ CC software: |
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2.1.35 |
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• Supports all features from the original Devilink™ software. |
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• New functionality providing control of Connect radiator thermostats, Danfoss Link™ HC (Hydronic |
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Controller) and Danfoss Link™ Repeater Unit (CF-RU). |
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• Includes a Danfoss Design Line background as default skin setting. |
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Version |
04-10-2011 |
• Austria, Belgium and Switzerland added in the Country List. |
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2.3.27 |
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• Flush functionality to force Connect and TWA actuators fully open in order to flush and remove air in |
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the system. |
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• Control of Thermia and Danfoss Heat Pumps with DCM02 (code no. 086L0474). |
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• Support of Danfoss Link™ BR (Boiler Relay) - only Automatic On/O control is supported. |
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Note: It is recommended to use software version 2.4.51 or later for boiler control. |
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Version |
20-03-2012 |
• Support of Danfoss Link™ BR with TPI (Time Proportional Interval) control. A duty cycle is calculated by |
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2.4.51 |
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the Danfoss Link™ CC and is used to control the boiler. |
•Improved network test to make sure that there is su cient signal strength between to/from the devices communicating with the Danfoss Link™ CC. The requirements for getting a valid and positive network test is higher than in the previous software versions.
•Disable rooms for cooling (via a Danfoss Link™ HC). If the consumer uses his hydronic floor heating to cool down the house during warm days the disabling function makes it possible to deselect single rooms and keep a higher temperature in some rooms. Rooms not selected for cooling are not heated. The Danfoss LinkTM HC can only be in heating mode or cooling mode, but it is possible to enable di erent modes for the di erent Danfoss LinkTM HCs in the same Danfoss Link™ system.
•User selectable load management on a Danfoss Link™ HC where it is possible for the user to select between “Spreading” and “Stacking” for Danfoss LinkTM HC load management. When spreading is enabled the Danfoss LinkTM HC will spread the load of hot water between the TWA. A feature also known from CF2+.
•Turkey added in the Country List.
Version |
12-06-2012 • Remote sensor support, so temperature control using Connect and Danfoss Link™ RS can be configured |
2.5.57 |
for special heating needs. |
•External Away functionality: Support of Danfoss Link™ SCM (Simple Communication Module). The Danfoss Link™ SCM can wirelessly enable and disable Away mode (Holiday mode) on the Danfoss Link™ CC. Danfoss Link™ SCM will be introduced in September/October 2012.
•The Away icon (suitcase) is only displayed for 10 minutes to avoid showing that nobody is at home. After 10 minutes the normal standby screen with the clock is shown.
Version |
01-02-2014 • During installation in a room with both Connect and Danfoss Link™ RS, the user will be prompted to |
2.7.42 |
select “Visible” or “Covered” radiators. This only applies if there’s no Connect with version 2.06 in the |
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room. The existing radiator mode “Trench” will no longer be available and in systems with this setting, |
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it will be changed from “Trench” to “Covered” upon upgrading the software on the Danfoss Link™ CC. |
•During installation the user will be prompted to select Moderate or Quick heating control after adding the last Connect or Danfoss Link™ RS to the room. This only applies if there’s no Connect with version 2.06 in the room. In rooms with Connect 3.04 it only applies if the room has a Danfoss Link™ RS.
•Improved room sensor application.
•Improved network test algorithm.
•Added set-point functionality, so the user can select whether or not a change to a set-point in economy and/or comfort modes should be saved for next economy/comfort period in the room.
•Italian language added.
© Danfoss HS | 2021.01 | AM19378640497EN 010207 |
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Technical Paper Overview - Danfoss Link™ and Connect software versions
Danfoss Link™ CC Mk III (with USB) software
Version |
Release |
Changes and New Features |
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Number |
Date |
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Version |
09-09-2013 |
• New faster hardware with USB-port for software upgrades. |
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3.0.12 |
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• Added Setpoint Memory functionality, so the user can select whether or not a change to a setpoint in |
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economy and/or comfort modes should be saved for next economy/comfort period in the room. |
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• Support for Danfoss Air units. |
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Version |
01-02-2014 |
• During installation in a room with both Connect and Danfoss Link™ RS, the user will be prompted to |
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3.1.42 |
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select “Visible” or “Covered” radiators. This only applies if there is no Connect version 2.06 in the room. |
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The radiator setting “Trench” will no longer be available and in systems with this setting, it will be |
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changed from “Trench” to “Covered” upon upgrading the software on the Danfoss Link™ CC. |
•During installation the user will be prompted to select “moderate” or “quick” heating control after adding the last Connect or Danfoss Link™ RS to the room. This only applies if there is no Connect version 2.06 in the room. In rooms with Connect version 3.04 it only applies if there is a Danfoss Link™ RS in the room.
Version |
29-05-2014 |
• Added support for Danfoss Link Gateway |
3.2.4 |
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• DLG v. 1.01 can be connected to the Danfoss Link™ CC if connected to the ECL 110. |
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• Integration with ECL 110 Comfort Weather Compensator |
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• ECL 110 can be connected using the Danfoss Link Gateway. |
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• ECL 110 outdoor temperature statistics are available on the Central Controller. |
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• ECL 110 is activated when flushing. |
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• ECL 110 is controlled based on system demands |
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• ECL is automatically adjusted based on system demands and schedule. |
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• ECL temperatures are reduced when there is no need for heating in system. |
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• ECL 110 alerts and issues are displayed on the CC |
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• Alert is displayed if return temperature is too high for a period of 2 hours. |
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• Alerts are displayed if sensors or sensor cables are faulty. |
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• Various bug fixes. |
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Version |
17-11-2014 |
• Improvements on Heat Pump integration |
3.3.1 |
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• It is possible to exclude rooms for heat pump optimization. |
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• Increases of heat pump curve is logged |
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• System informs about rooms, which causes problems for the heat pump optimization. |
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• ECL 110 complete language pack |
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• Various bug fixes |
Danfoss Link™ CC Mk IV (with Wi-Fi connectivity) software
Product |
Name |
Description |
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Code |
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Version |
01-07-2015 |
• New hardware with build in Wi-Fi module |
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4.0.12 |
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• App connectivity |
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• Automatic software update |
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• Added Living Zone functionallity - Multiple rooms with the same weekly schedule |
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• The following terms have been changed: |
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• Comfort to At Home |
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• Economy to Away/Asleep |
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• Away to Vacation |
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• Frost Protection to Pause |
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• Added functionality of room temperature visible for rooms with living connect only |
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• Historic Alarms - in the service area it’s possible to see either the active alarms or a log of historic |
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alarms |
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• Added functionality of alarms marked as read meaning that if all alarms are read, the yellow |
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exclamation mark no longer appears on the screensaver. |
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Version |
13-07-2015 |
• Translation fixes for the following languages: Danish, Estonian, German and Swedish. |
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4.0.13 |
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Version |
19-10-2015 |
• Improved Wi-Fi functionality |
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4.0.36 |
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• Better Wi-Fi status overview |
•Changing actual set-point now only a ects current period and is not stored
•New feature added - Link CC automatically reconnects to a router if it has been turned o and on again
•Improved translations for all languages
Version |
13-01-2016 |
• Improved Wi-Fi stability |
4.0.42 |
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• No longer possible to downgrade to 3.X |
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• Various bug fixes |
2 © Danfoss HS | 2021.01 | AM19378640497EN 010207
Technical Paper |
Overview - Danfoss Link™ and Connect software versions |
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Version |
20-04-2016 |
• Added special characters to keyboard |
4.0.45 |
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• Faster connection to internet |
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• The correct MAC Address is shown under system information |
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• User interface no longer freezes when a Danfoss LinkTM HC is added |
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• Changing vacation temperature now a ects already started vacation mode |
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• Activating ‘At Home’ from Link App now a ects HRV system |
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• Improved Wi-Fi stability |
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• Various bug fixes |
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Version |
30-06-2016 |
• Danfoss LinkTM will now synchronize time and date with an internet time server |
4.0.54 |
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• It is now possible to re-test and get approval for one failed device in the network test |
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• Fixed a bug where Danfoss LinkTM CC could restart in rare conditions |
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• Fixed a bug where heat curve in HP applications was reset after restart of Danfoss LinkTM |
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• Low battery warning is now showed on Danfoss LinkTM CC |
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• Fixed a bug where alarm was showed after restart of Danfoss LinkTM CC in ECL application(DLG) |
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• Improved Wi-Fi stability |
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• Various bug fixes |
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Version |
30-11-2016 |
• It is now possible to lock Danfoss Link™ CC with a pin code |
4.1.0 |
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• Danfoss Link™ CC now supports control of On/O devices from Danfoss Link™ App |
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• Danfoss Link™ CC now supports control of Dynamic Boiler relay |
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• Improved Wi-Fi stability - New Wi-Fi driver |
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• Various bug fixes |
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Version |
30-01-2017 |
• It is now possible to choose reference rooms for Danfoss Link™ Boiler Relay |
4.1.4 |
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• Various bug fixes |
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Version |
01-05-2017 |
• Alarms from the Link CC can now also be viewed in the Danfoss Link App for iPhone or Android based |
4.2.1054 |
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devices. |
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• Native iPhone or Android notifications are generated for paired apps when new alarms occur on the |
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Link CC (Push Notifications) |
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• A “temperature too low” alarm is generated if the temperature drops to a level where there is a risk of |
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frost damage (Temperature Watchdog) |
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• On/o devices can be configured to randomly simulate activity while Danfoss Link™ is in Vacation |
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mode during nighttime period between 19:00 and 8:00 (Activity Simulation) |
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• Fixes a bug where Danfoss Link™ App was showing wrong temperature if the App was used in |
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di erent time zone than Link CC. |
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• Fixes a bug where an alarm was stated after reboot of Danfoss Link™ CC in combination with Danfoss |
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Link DLG |
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• Minor bug fixes |
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Version |
12-05-2017 |
• Minor bug fixes |
4.2.1061 |
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Version |
01-09-2017 |
• 2nd generation PR relay is now supported as On/O device - Smart Plug |
4.2.1135 |
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• Heat Pump control algorithm has been optimised to stop the heat pump when there is no heat |
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demand |
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• Default heat curve for Heat Pumps has been changed to match customer expectations |
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• Various bug fixes |
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Version |
19-12-2017 |
• Faster connection to Danfoss Link™ from Danfoss Link™ App - both Android and iOS |
4.2.1179 |
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• Fixes a bug that causes Danfoss Link™ to continuously reboot in rare conditions |
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• Various bug fixes |
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Version |
31-01-2018 |
• Fixes a bug to improve CPU performance when cooling is activated on the Danfoss Link™ CC |
4.2.1195 |
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• Performance improvements |
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• Minor bug fixes |
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Version |
27-11-2018 |
• Amazon Alexa integration (supports English, German and French languages) |
4.2.1355 |
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• Support for the new Danfoss Icon RT Performance improvements NOTE: This is available for RT-devices |
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with software versions equal to or greater than 2.0. |
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Version |
11-02-2019 |
• Full support added for Danfoss Icon room sensors with infrared floor sensor (RT-IR). |
4.2.1475 |
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• Added Amazon Alexa EULA texts for Spanish and Italian languages. |
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• Heat pump performance improvements. |
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• Stability improvement for firmware update. (Reduces risk of reboot cycle) |
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• Wi-Fi security fixes for the KRACK vulnerability |
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Version |
24-07-2019 |
• Fixes a bug that caused missing data in the outdoor temperature graphs for Danfoss HRV control |
4.2.1495 |
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• Fixes a bug that caused the CCM module to be removed from Danfoss Link™ right after pairing. |
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(Ventilation system communication module) |
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Version |
07-01-2020 |
• Improved Heat Pump integration: Functionality added that allows the Link CC to update the Heat |
4.2.1724 |
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Curve on the Heat Pump for 30 minutes after initial communication - even if the Heat Pump rejects / |
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forgets the change. |
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© Danfoss HS | 2021.01 | AM19378640497EN 010207 |
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