Herz ETKF+ Operating Manual
Radiator Thermostat ETKF
Operating manual
+
Scope of delivery
Scope of delivery
Quan-
Item
tity
1x ETKF+ Radiator Thermostat 1 8251 01
2x LR6/mignon/AA battery
1x Brief instruction in German/English
2
Table of contents
Table of contents
1 Information about this manual ................................. 4
2 Safety instructions .................................................... 4
3 Function .................................................................... 5
4 Device overview ......................................................... 7
5 Start-up ..................................................................... 8
6 Teaching-in ............................................................. 19
7 Operating modes (Auto/manu/holiday) .................. 22
8 Comfort and reduction temperature ...................... 23
9 Setting the holiday function .................................... 24
10 Configuration menu ................................................ 25
11 Child safeguard/operating lock .............................. 37
12 Activate heating pause (battery saving).................. 40
13 Restore factory settings .......................................... 41
14 LED flashing sequences and
transmission behaviour .......................................... 42
15 Maintenance and cleaning ...................................... 43
16 Information about radio operation ......................... 43
17 Technical specifications .......................................... 44
1st English edition 06/2016
All rights reserved. Translation of the original version in German.
3
Documentation © 2016 HERZ, Austria
Version 1.1
Information about this manual
1 information about thiS manual
Read this manual carefully before starting to use the device.
Keep the manual so you can refer to it at a later date if you
need to. 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.
2 SafetY inStructionS
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 return the device to the service department.
The device may only be operated indoors and must
be protected from the effects of damp and dust, as
well as solar or heat radiation.
4
Function
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 modification work. The device is intended for
private use only.
3 function
The ETKF+ Radiator Thermostat is responsible for regulating the radiators within the HERZ system. During ventilation, the ETKF+ Radiator Thermostat automatically reduces
the temperature in a room in order to save on energy costs.
Communication between the HERZ components is bidirectional. This ensures that the information sent reaches the
recipient.
The configuration of the ETKF+ Radiator Thermostat is made
according to the system variant used. You have the possibility
to choose between the following two variants:
HERZ Room solution
In the room solution, the settings of all connected devices in your room can comfortably be made via the
Wall Thermostat+. Up to 8 ETKF+ Radiator Thermostats and 8 Window Sensors+ can be connected and
controlled via the Wall Thermostat+.
5
Function
HERZ Radiator solution
With the HERZ Radiator solution you can easily start
using the HERZ system. The ambient temperature
within a room can be flexibly controlled and regulated
with up to 2 ETKF+ Radiator Thermostats and 3 Window Sensors+. Configuration is performed directly on
the ETKF+ Radiator Thermostat.
With a Wall Thermostat+ the solution can be extended
to a room solution.
6
.
Device overview
4 device overview
A
B
C
FDE
A Automatic mode (Auto), manual mode (Manu), holiday mode
( ), Boost function ( ), open-window function (
ating lock ( )
Weekday, replace batteries of the Radiator Thermostat+ ( ), re-
B
place batteries of a taught-in device (e.g. window sensor)
( ), radio activity ( ), comfort/reduction temperature ( ),
time/date, activity symbol ( )
C Bar chart of programmed heating phases of current day
D Auto/Manu button: Switch between automatic and manual mode,
exit the holiday mode
E Handwheel for temperature settings, select and set menu items
F Boost button: Activate the boost function, confirm, start teach-
in procedure
G Switch between reduction and comfort temperature
H Display of setpoint temperature
7
H
G
), oper-
Start-up
4.1 diSplaY content in normal mode
Operating mode, week day, setpoint temperature, time, radio signal and switching time periods are displayed in normal mode. In the example, the ETKF+ Radiator Thermostat
is in automatic mode (Auto) and the comfort temperature
( ) of 21.0°C is set. The weekday Tuesday (Tu) and the time
(19:07 h) are displayed. The antenna symbol ( ) indicates
that the connection to the taught-in components has been
established. The heating phases are displayed as bar charts.
The bars for the heating phases in the week program
will only be displayed if the saved temperature is
higher than the reduction temperature. Please see
section 10.1 for examples.
5 Start-up
5.1 inSerting (replacing) batterieS
To insert the batteries into the ETKF+ Radiator Thermostat,
please proceed as follows:
8
Start-up
• Remove the battery compartment cover by pushing it
forwards.
• Insert 2 LR06/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.
After inserting batteries, the radiator thermostat has to be
mounted on the radiator (see sec. „5.3 Installation on the
radiator“ on page 10). The ETKF+ Radiator Thermostat
starts an adapting run afterwards (see sec. „5.4 Adapting
run“ on page 12).
A battery symbol (
) indicates that the batteries need to
be replaced. After removing the batteries, you should wait
approx. 1 minute before inserting the new ones.
The service life of new alkaline batteries is approximately two years.
This device does not support operation with rechargeable batteries.
Never recharge standard batteries. Doing so will present a risk of explosion. Do not throw the batteries
into a fire! Do not short-circuit batteries.
Used batteries should not be disposed of with
regular domestic waste! Instead, take them to
your local battery disposal point.
9
Start-up
5.2 Set date and time
If batteries are inserted or replaced, the date and time is
automatically requested after a brief display of the firmware version number:
• Set the year, month, day, hour and minute with the hand-
wheel and confirm with the Boost button. 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 ETKF+ Radiator Thermostat+ can be configured already
before installation. Press the auto/menu button for this,
while „INS“ is shown in the display (see sec. „10 Configuration menu“ on page 19). After the programming has been
completed, „InS“ is shown again in the display and installation can take place.
5.3 inStallation on the radiator
The ETKF+ 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.
10
Start-up
The union nut attached to the radiator thermostat can be
used universally and without accessories for all HERZ thermostatic valves with a thread size of M28 x 1.5mm. For adaptors to use HERZ ETKF+ with other manufacturers see HERZ
product rnge or the homepage www.herz.eu.
5.3.1 Removing the old dial
Rotate the thermostat dial to the maximum value (1) (anti-clockwise). The thermostat dial then no longer presses
against the valve spindle, making it easier to remove.
There are different ways of fixing the position of the thermostat dial:
• Union nut: Unscrew the union nut in an anticlockwise di-
rection (2). The thermostat head can then be removed (3).*
• Snap-on fastenings: Thermostat dials that have been at-
tached using this method can be easily released by giving
the lock/union nut a slight turn in the anticlockwise direction (2). The thermostat head can then be removed (3).*
• Compression fitting: The thermostat dial is held in place
by a mounting ring which is held together with a screw.
Loosen this screw and remove the thermostat head from
the valve (3).*
• Threaded connection with set screw: Loosen the set screw
and remove the thermostat head (3).
*
* Adapter to ETKF+ has to be ordered separately.
11
Start-up
5.4 adapting run
Once the batteries have been inserted and date and time have
been set, the motor reverses;
tivity symbol ( ) are displayed.
without the activity symbol ( ), the radiator thermostat+
can be mounted. This is followed by an adapting run ("AdA")
to adapt the thermostat to the valve.
• Attach the radiator thermostat to the valve (see sec. „5.3
Installation on the radiator“ on page 10).
• Tighten the union nut.
• Press the Boost button when "InS" is displayed.
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meanwhile, "InS" and the ac-
As soon as "InS" is displayed
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