Please read this manual completely and carefully before starting to use the device. Especially observe the
safety and handling instructions. Keep the manual for later consultation. If you hand over the device to other
persons for use, please hand over the operating manual as well.
Symbols used:
Attention!
This indicates a hazard.
Note:
This section contains important additional information.
1x Radiator Thermostat ThermoTune, 1x mounting ring, 1x Adapter set Danfoss (RA, RAV and RAVL),
2x 1.5 V mignon/LR6/AA battery, operating manual (German/English)
A
Snap-on fastening for installation on the radiator valve
B
Bar chart of programmed heating phases
C
(
) Eco/comfort temperature, ( ) open-window function, (Manu) manual mode, (Auto) auto mode
D
(
) Holiday function, week day, (
) empty battery symbol
E
Mode/Menu button: Switch between auto mode, manu mode and holiday function
(press button briefly); configuration menu (press button for at least 3 seconds)
F
Control wheel: Change settings, e.g. temperature (turn the control wheel),
activate the boost function and confirm/save settings in the menu (press control wheel briefly)
G
button: Switch between eco and comfort temperature
H
Display of temperature, time and date, menu options, functions
With the Radiator Thermostat ThermoTune you can conveniently regulate the room temperature. Thanks to
pre-programmed or individually tailored heating and cooling phases, the desired temperature can be comfor-
tably adjusted. The radiator thermostat fits to all common radiator valves and is easy to mount using snap-on
fastening and without having to intervene in the heating system.
The device may only be operated indoors and must be protected from the effects of moisture, dust, vibrations,
solar or other methods of heat radiation, cold and mechanical loads.
Using the device for any purpose other than that described in this operating manual does not fall within the
scope of intended use and shall invalidate any warranty or liability. This also applies to any conversion or mo-
dification work. The device is intended for private use only.
The device may only be operated within residential buildings.
The device is not a toy; do not allow children to play with it. Do not leave packaging material
lying around, as it can be dangerous in the hands of a child.
Do not open the device: it does not contain any components that need to be serviced by the
user. In the event of an error, please have the device checked by an expert.
We do not assume any liability for damage to property or personal injury caused by improper
use or the failure to observe the safety instructions. In such cases, any claim under warranty
is extinguished! For consequential damages, we assume no liability!
For safety and licensing reasons (CE), unauthorized change and/or modification of the pro-
duct is not permitted.
The device is only suitable for control of heaters (radiators, convection heaters, heater bars)
heated by heat carriers. Any other use, e.g. on cooling systems, in-floor heating, etc., is not
permitted and can lead to severe damages.
In case of visible damage of the existing radiator, valve or heating pipes, please consult a
specialist.
Do not dispose of the device with regular domestic waste!
Electronic equipment must be disposed of at local collection points for waste electronic equipment
in compliance with the Waste Electrical and Electronic Equipment Directive. Before disposing of the
device, remove the batteries from the device.
Used batteries should not be disposed of with regular domestic waste! Instead, take them to
your local battery disposal point.
In the initial state, the batteries are already inserted.
Simply remove the insulation strip to activate the device.
To replace the batteries, please proceed as follows:
• Remove the battery compartment cover by pressing the battery compart-
ment cover on both sides with your fingers and remove the cover by pushing
it downwards.
• Insert 2 new LR6 (mignon/AA) batteries in the battery compartment, making
sure they are the right way round.
• Reattach the battery compartment cover and latch it into place.
The battery symbol (
) on the display indicates that the batteries need
to be replaced. After removing the empty batteries, wait approx. 1 minute
before inserting the new ones. This device does not support operation with rechargeable batteries.
Caution! Danger of explosion if batteries are incorrectly replaced. Replace only with the same or equi-
valent type. Batteries must never be charged. Do not throw batteries into fire. Do not expose batteries
to excessive heat. Do not short-circuit batteries. There is a risk of explosion!
Leaking or damaged batteries can cause chemical burns if they come into contact with the skin, so
use suitable protective gloves in this case.
After inserting the batteries, the date and time is automatically requested after display of the firmware versi-
on number and short motor run (“InS”).
• Set the year, month, day, hour and minute with the control wheel (
F
) and confirm by pressing the control
wheel briefly.
You can adjust the time and date in the menu under “dAt”.
The motor moves the control pin backwards during the setting of date and time.
• If “InS” and the rotating activity symbol “
” are displayed, the motor still reverses.
When only “InS” is shown in the display, the radiator thermostat can be installed on the valve.
• The week program and date can be adjusted before installation. Press the Mode/Menu button, while
“InS” is shown in the display. You will find further information in chapter “13. Setting the week pro-
gram”.
• After the programming has been completed, “InS” is shown again in the display
and installation can take place.
The radiator thermostat is easy to install, and can be done without draining heating water or intervening in the
heating system. No special tools are required, nor does the heating have to be switched off.
The snap-on fastening of the radiator thermostat can be used universally and with the mounting ring VA80 for
valves of the most popular manufacturers with a thread size of M30 x 1.5 mm.
By means of the adapters supplied, the device can be installed on radiator valves of type Danfoss RA, RAV
and RAVL.
• Rotate the old thermostat dial to the maximum value (anti-clockwise). The thermostat dial then no
longer presses against the valve spigot, making it easier to remove.
• Remove the thermostat head.
• If required, place one of the supplied adapters.
The adapting run starts afterwards (see sec. “11. Mounting and adapting run”).
The provided adapters (RA, RAV and RAVL) can be used for installation on Danfoss valves. The arrangement
of the suitable adapter ring for the appropriate valve can be found in the following figures.
The
RA
and
RAV
adapters have been manufactured with pre-tension in order to provide a better seat. Use a
screwdriver during installation if necessary, and bend it open slightly in the vicinity of the screw. After clipping
onto the valve body, please attach the adapter using the provided screw and nut.
The spigot extension (I) must be fitted to the valve pin of RAV valves prior to installation.
The adapter RAVL does not have to be screwed. Fit the short spigot extension (I) on the valve pin before ins-
tallation. You can simply break off the spigot extension connected to the adapter.
The Danfoss valve bodies have elongated notches (J) around their circumference, which also ensu-
re that the adapter is properly seated when it snaps on. During installation, please ensure that the
pins inside the adapter (K) are lined up with the notches (J) on the valve. Ensure that the adapter is
properly clipped on.
Take care during installation that you do not trap your fingers between the two
J
K
J
K
I
J
K
I
After the batteries have been inserted the motor reserves. Meanwhile, the date, “InS” and the activity symbol
(
) are displayed. As soon as “InS” is displayed without the activity symbol (
), the radiator thermostat can
be installed. This is followed by an adapting run (“AdA”) to adapt the thermostat to the valve.
(1)
(2)
L
• Screw the supplied mounting ring (
L
) on the valve of the ra-
diator (
1
).
• Place the radiator thermostat straight on the mounting ring
using the snap-on connector (
2
). Make sure that the catch of
the snap-on connector engages properly. For the precise ad-
justment of the radiator thermostat turn the thermostat with
the mounting ring.
• Press the control wheel briefly when “InS” is displayed.
It is now that the radiator thermostat performs an adapting run.
“AdA” and the activity symbol (
) are displayed; during this time,
operation is not possible. The adapting run can be can cancelled by
pressing the control wheel briefly.
If the adapting run has been initiated prior to mounting, ple-
ase press the control wheel briefly and the motor reserves
to the “InS” position. If an error message (F1, F2, F3) is dis-
played, the motor similarly travels back to the “InS” position.
(1)
(2)
To remove the radiator thermostat from the radiator valve, please proceed as follows:
• Remove the battery compartment cover by pressing the battery com-
partment cover on both sides with your fingers and remove the cover by
pushing it downwards (see sec. 7. “Replacing batteries”).
• Press the unlock button (with the lock symbol) (
1
).
The catch of the snap-on connector is opened and the radiator
thermostat detaches from the valve (
2
).
In the week program, for each weekday up to 6 heating phases (13 change settings) can be set separately.
The programming is carried out for the selected days, whereby temperature settings have to be set for the
entire period between 00:00 and 23:59h.
• Press the Mode/Menu button for at least 3 seconds. The display will show “Pro”. Confirm by pressing
the control wheel briefly.
• “dAy” appears on the display. You can use the control wheel to select a single day of the week, all week-
days, the weekend, or the entire week.
• Confirm by pressing the control wheel briefly.
• The first switching time point is displayed (0:00), this can not be changed. The heating times are also
displayed as bars.
• Confirm by pressing the control wheel briefly.
• After this you can set the temperature which is desired from 0:00.
• Confirm by pressing the control wheel briefly.
• The next switching time point is displayed. You can adjust this individually.
• Finally, set the temperature which should prevail from the selected time.
• You can repeat this procedure until all the other desired temperatures for the time period from 0:00 to
23:59 have been stored.
• If all 13 switching time points have been allocated, 23:59 is displayed as the final switching point to be
confirmed.
In auto mode, the temperature can be changed at any time using the control wheel. The modified tem-
perature will then remain the same until the next point at which the program changes. Afterwards, the
defined week program is activated again.
When activating the boost function, the heating valve is opened to 80 % for 5 minutes. The heating of a room
takes longer than 5 minutes, but the heat given off by the radiator can be felt immediately. If, for example, you
arrive home earlier than usual, the boost function will help you to heat the room up quickly.
• Press the control wheel briefly to activate the boost button.
• The remaining time for the function will be counted down in seconds (“b300” to “b000”).
• After these 5 minutes have elapsed, the device changes to the mode which was previously active (auto/
manu) with the previously set temperature.
• The function can be deactivated prematurely at any time by pressing the control wheel again.
The boost function will not have an immediate effect if the radiator is covered or concealed. The
open-window function is deactivated while the boost function is active.
If you want to maintain a fixed temperature for a certain period, e.g. during your holidays or a party, the ho-
liday function can be used.
• Briefly press the Mode/Menu button repeatedly, until the suitcase symbol (
) appears in the display.
• Change the time until which the temperature shall remain with the control wheel and confirm by pres-
sing the control wheel briefly.
• Then set the date and confirm by pressing the control wheel briefly.
• Set the temperature and confirm by pressing the control wheel briefly. The display flashes twice for con-
firmation.
The set temperature will remain until the set end time. Afterwards, the radiator thermostat will switch back
to auto mode.
The comfort and reduction temperature button (
) makes switching between comfort and reduction tem-
perature very easy. The factory setting for the comfort temperature is 21.0 °C and the reduction temperature
17.0 °C. They can be adjusted as follows:
• Press and hold the comfort/eco button (
) for at least 3 seconds.
• The sun symbol ( ) and the currently stored comfort temperature appear in the display.
• Change the temperature with the control wheel and confirm by pressing the control wheel briefly.
• The moon symbol ( ) and the currently stored reduction temperature appear in the display.
• Change the temperature with the control wheel and confirm by pressing the control wheel briefly.
Afterwards, the radiator thermostat will switch back to auto mode. Even in auto mode, the temperature can
be changed at any time. It will then remain the same until the next point at which the program changes.
The operation of the device can be locked.
• To activate/deactivate the operating lock, briefly press the Mode/Menu and
button at the same time.
• After it has been successfully activated, “LOC” appears in the display.
• To deactivate the operating lock, press both buttons again.
Battery life can be prolonged by switching the heating off in summer and opening the valve completely. The
calcification protection continues to run. To activate the heating pause, proceed as follows:
• Turn the control wheel in manu mode (
manu
) to the right until “On” appears in the display.
• To end it, exit the manu mode (
manu
) or turn the control wheel to the left.
If a room is not to be heated, the valve can be closed.
• Turn the control wheel in manu mode (
manu
) to the left until “OFF” appears in the display.
The valve is only opened if there is a risk of frost. The calcification protection continues to run.
• To end it, exit the manu mode (
manu
) or turn the control wheel to the right.
You can request the current position of the valve. To do this, proceed as follows:
• Press the Mode/Menu button for at least 3 seconds.
• Select the menu item “POS” with the control wheel.
• Confirm by pressing the control wheel briefly.
• The display will show the current position of the valve drive in percent.
An automatic switching between summer and winter time can be activated and deactivated. The switching
is activated in the factory settings.
• Press the Mode/Menu button for at least 3 seconds.
• Select the menu item “dSt” with the control wheel.
• Confirm by pressing the control wheel briefly.
• Set the option “on” to activate automatic switching or set the option “oFF” to deactivate automatic
switching with the control wheel.
• Confirm by pressing the control wheel briefly.
With a rapidly reducing temperature, the radiator thermostat detects that a room is being ventilated. In order
so save heating costs, the temperature is reduced for 15 minutes. Whilst this function is active, the open-
window symbol ( ) appears on the display.
• Press the Mode/Menu button for at least 3 seconds.
• Select the menu item “AEr” with the control wheel and confirm by pressing the control wheel briefly.
• Set the temperature and time using the control wheel. The function can be deactivated by selecting “0”
for the time.
As the temperature is measured on the radiator, the temperature distribution can vary throughout a room. To
adjust this, a temperature offset of ±3.5 °C can be set. If a nominal temperature of e.g. 20.0 °C is set but the
room presents with only 18.0 °C, an offset of -2.0 °C needs to be set.
• Press the Mode/Menu button for at least 3 seconds.
• Select the menu item “toF” with the control wheel and confirm by pressing the control wheel briefly.
• Use the control wheel to adjust the required offset temperature.
• Confirm by pressing the control wheel briefly.
•
The factory settings of the radiator thermostat can be restored manually. If you do this, you will lose all your
settings.
• Press the Mode/Menu button for at least 3 seconds.
• Select the menu item “rES” with the control wheel and confirm by pressing the control wheel briefly.
• “CnF” then appears in the display.
• Confirm by pressing the control wheel briefly to restore the factory settings. The device will perform a
restart.
Error codes
Problem
Solution
Battery symbol (
)
Battery output too low
Replace batteries
F1
Valve drive sluggish
Check installation, check the heating valve
F2
Actuating range too wide
Please check mounting of the radiator thermostat
F3
Adjustment range too small Check the heating valve
The radiator thermostat performs a routine descaling run every Saturday at 12:00 to protect against
calcification of the valve. During this “CAL” appears in the display.
Use a dry linen cloth to clean the device. If the device is particularly dirty, you can slightly dampen the
cloth to clean it. Do not use any detergents containing solvents for cleaning purposes. Make sure that
no moisture will ingress into the housing.
Short description: ..........................................................................................................................DNT000016
Product name: ..............................................................................................................................ThermoTune
Supply voltage: ............................................................................................... 2x 1.5 V LR6/mignon/AA battery
Current consumption: ...................................................................................................................100 mA max.
Battery life: ................................................................................................................................... 4 years (typ.)
Degree of protection: ..................................................................................................................................IP20
Degree of pollution: ........................................................................................................................................ 2
Ambient temperature: ........................................................................................................................0 to 50 °C
Surface temperature: .......................................................................................................90 °C (at the radiator)
LCD: ............................................................................................................................................. 73 segments
Display dimensions (L x W): ............................................................................................................27 x 15 mm
Connection: ................................................................................................................................M30 x 1.5 mm
Method of operation: ...............................................................................................................................Type 1
Linear travel: ........................................................................................................................................ 4.3 mm
Software class: ...................................................................................................................................... Class A
Construction of the regulation and control unit: .............................independently mounted electronic regulation
and control unit
Dimensions (W x H x D): ..........................................................................................................54 x 72 x 76 mm
Weight: ..................................................................................................................... 150 g (including batteries)
Subject to technical changes.
Radiator Thermostat ThermoTune
Article No.: DNT000016
User manual
1. Information about this manual
9. Removal of the existing thermostat
10. Adapters for Danfoss valves
2. Package contents
3. Operation and display
Mode
Menu
A
C
D
B
E
F
G
H
4. Function and intended use
5. Safety instructions
6. Disposal instructions
7. Replacing batteries
11. Mounting and adapting run
12. Removal
13. Setting the week program
14. Boost function
16. Comfort and reduction temperature
17. Child safeguard/operating lock
18. Activate heating pause (battery saving)
19. Set frost protection mode
20. Display of valve position
21. Switch between summer and winter time
22. Open-window function
23. Set offset temperatur
24. Restore factory settings
25. Troubleshooting and maintenance
26. Technical Data
Importer: dnt Innovation GmbH
Maiburger Straße 29 · 26789 Leer · Germany · www.dnt.de
8. Set date and time
15. Setting the holiday function
1. English edition 8/2022
–
Documentation © 2022 dnt Innovation GmbH
All rights reserved. This manual may not be reproduced or duplicated in any form without the written consent of the publisher.
It is possible that the present operating manual still has printing defects or printing errors. However, the information in this manual is
checked regularly and corrections are made in the next edition. We assume no liability for errors of a technical or printing nature and
their consequences. All Trademarks and property Rights are recognised. Changes in the sense of technical progress can be made
without prior notice. DNT000016-8/2022, Version 1.01
(Rear)
27. Declaration of Conformity
28. Contact
dnt Innovation GmbH, Maiburger Straße 29, 26789 Leer, Germany, hereby declares that the device
„DNT000016“
is in accordance with the essential requirements and other relevant provisions of the European Union. The
declaration of conformity can be found at: www.dnt.de
The CE sign is a free trading sign addressed exclusively to the authorities and does not include any
warranty of any properties.
Do you have questions about the product or how to use it? Our Technical Support is always happy to provide
comprehensive and qualified assistance: Email: support@dnt.de
