Danfoss Eco™ - the smart radiator thermostat with Bluetooth
The Danfoss Eco™ is ideal for smaller home or when changing individual radiator thermostats.
Danfoss Eco™ is Bluetooth connected and via the app you can control your thermostat from 10 meters away.
If your radiators have inlet valves – then replacing them with Danfoss Eco™ is an obvious choice.
Danfoss Eco was introduced in 2011 and sold under the name living eco. Since 2017 the electronic thermostat has been named Danfoss Eco™.
Danfoss Eco™ with Bluetooth automatically updates to the newest version of the software. This is done via Bluetooth. The app notifies the user when new software is available.
Installation of the software takes around 1 minute.
Software version overview
Danfoss Eco™ is a stand-alone thermostat, where all control and programming functions are operated on one thermostat at a time, either by turning the thermostat itself or via Bluetooth and the Danfoss Eco App and at a maximum distance of 10 m.
Danfoss Link™ communicates wirelessly with the Connect thermostats and is compatible with other Danfoss products such as underfloor heating (both electrical and water-carried), ventilation units, heat pumps and district heating controls. Danfoss Link™ has integrated WiFi, so that you can adjust the heat via the Danfoss Link App regardless of where you happen to be.
Both of the intelligent thermostats/systems have built-in saving programs, so you can adjust them to suit your family's needs and routines.
No, electronic thermostats must be installed on one-way valves.
It is possible to switch from return flow to one-way flow on radiators without it becoming a huge operation. You can discuss your options with your local installer. With underfloor heating, unfortunately, it is not quite so easy.
Return valves were used in many district heating installations in the 1960s in particular, so it is an older technology. The advantages of changing to one-way valves are – besides having the opportunity to use electronic thermostats – that the heat can be more precisely regulated, which in turn leads to increased comfort and considerably improved energy efficiency.
We also recommend replacing older valves with valves with pre-setting in order to ensure the best possible cooling and thus energy savings in the radiator.
Yes – unless the valve is a double check valve, which has both one-way and return flow in the same valve. In this case you can not use electronic thermostats.
Demounting an old thermostat
You must demount your old thermostats before you can mount Danfoss Link™ Connect. Depending on your current thermostat you will need to use either a screwdriver or an Allen key to loosen the screw on the side of the thermostat. You can then unscrew the entire thermostat by turning it anticlockwise.
Mounting a new thermostat and adapter
First you need to find the right adapter. Danfoss supplies different adapters for the different valve types (in Denmark many valves are of the RA type). Use the adapter guide to place the different cuts of the valves and find the classification for the adapter that fits.
Note! Electronic thermostats are only mounted on one-way valve systems
The adapters cover more than 90% of all valve types, both for Danfoss and other manufacturers. If no adapter suits your valve, the valve is too old and we recommend replacing it with a new one.
You should then place the adapter onto the valve. Insert batteries into the Connect thermostat and mount the thermostat onto the adapter.
In this video we show you how to demount an adapter on both Eco™ and Connect™ thermostats
Why is only one radiator heating up while the other rooms are still cold?
If the cold air hits one of your Eco thermostats, this will open immediately and start heating up the room. The other Eco thermostats will therefore not detect the cold air and thus never open.
What you should do is adjust the temperature a little on the radiators that are not presently heating up. Perhaps 'the hot one' should be set to 20 degrees and 'the cold one' to 21 degrees to bring the room to the desired temperature.
Keep trying and feeling how hot the radiators are until they reach the same level of heating and cooling
If there is more than one radiator in the same room then we recommend that you use Danfoss Link™ with Connect thermostats, as the room temperature can then be controlled via a Danfoss Link™ RS Room Sensor placed somewhere central in the room.
Can I set the heating to turn off for a period myself?
The Open Window function is activated when the thermostat experiences a sudden drop in temperature of at least ½ degree over the course of 3 minutes. If this does not happen (if the cold 'seeps' slowly over to the thermostat) then the Open Window function will not activate.
An additional feature of Danfoss Eco™ with Bluetooth is that you can set the thermostat to turn off for a period yourself: Turn the thermostat quickly to the left so that it reads 6 degrees on the display (or the temperature you have set as frost protection).
When you want to turn the thermostat back on, you can do this easily either via the app or by turning the thermostat one notch to the right.
Energy savings occur when you reduce the heat.
As a general rule, you can save roughly 5% of the energy consumption for every degree you turn down the heat. We recommend that you lower the temperature 3-4°C at night and during the day while the family are out, e.g. from 21°C to 17°C.
You can also use the 'Holiday Function' while you are away from home for several days, e.g. on holiday.
If you replace a 15 year-old thermostat with Danfoss Eco™ thermostats, you can save up to 23% of your heat consumption.
We recommend replacing older valves with valves with pre-setting in order to ensure the best possible cooling and thus energy savings in the radiator.
Please visit our App Helpdesk where you can find additional help.
To ensure that the electronic thermostat reaches the desired temperature quickly, we recommend a difference between the Absent (sleeping) and Home temperatures of no more than 4˚C.
Danfoss Eco™ uses what we call an 'adaptive' function. This means that over the course of a week, the system gets to know the heating system so that it is then able to start heating up in time to reach the desired temperature at the correct time.
During the first week and seasonal transitions you will therefore experience slight fluctuations in the heat. This is completely normal and you will then be able to enjoy sleeping in a cool home while also being able to wake up to a lovely warm house – totally automatically.
Danfoss Eco™ is a stand-alone product, where you set the programming and controls on the individual thermostat.
You can use the Danfoss Link™ Connect thermostat together with Danfoss Link™.
And which smartphones can be used?
There is no limit to how many Danfoss Eco™ thermostats can be controlled from one smartphone.
And there is no limit to how many smartphones can control one thermostat.
The Danfoss Eco™ App can be downloaded to iPhone and Android devices. Unfortunately, the App cannot be obtained for Windows telephones.
No, you cannot turn the thermostat down further than 5 degrees, which is the minimum temperature for frost protection mode.
The frost protection mode is set in the Danfoss Eco App: Select Menu – Select Settings – Select Limits – Set Min. temperature (can be a minimum of 5 degrees).
You can do three things when the temperature rises in the summer and you wish to turn off the heat:
1. You can set the entire house on an indefinite break. This will turn the thermostats down to the frost protection temperature of 6 degrees. If it gets cold one night, you can quickly interrupt the break and warm it up.
2. You can set a holiday period, so the heat is reduced to the specified reduced temperature.
3. You can specify a lower comfort temperature, so heating first kicks in when it is colder than the specified temperature. This temperature is reset when the air gets colder.
1. Check that you have the correct adapter mounted
2. Check that the valve adapter is correctly screwed onto both the valve and the actual electronic thermostat. Screw tighter if necessary.
E9 means that the valve cannot close. So it is not an error in the thermostat itself, but rather a message that there is something wrong in the installation.
Possible sources of the error could be incorrect installation, the wrong adapter, or dirt in the valve. If necessary, get help with troubleshooting from a heating installer.
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