User manual and Guarantee
Please read this User Manual carefully be-
fore installing the varmo TZ eco thermostat
and store this manual for documentation.
Scope of delivery
1 varmo TZ eco energy saving controller
1 Operating instructions (part of the product)
1 Screw for adapter
3 adapter (Danfoss RA, RAV, RAVL)
2 batteries LR6 AA 1,5 V
Safety Instructions
• varmo TZ eco is designed for use in
buildings.
• Operate varmo TZ eco only as de-
scribed in the user manual.
• varmo TZ eco should only be put to use
in a dry and dust-free place, away from
direct sunlight.
• Do not keep using the device when
there is obvious damage.
• varmo TZ eco may not be rebuilt,
modied or opened.
Warning
Never recharge batteries, do not short
circuit them, do not take them apart - Risk
of explosion! Remove dead batteries from
the device immediately.
Do not use old and new batteries together.
Clean battery and device contacts before
inserting if necessary.
Keep batteries away from children. Avoid
contact with skin, eyes and mucous mem-
branes. In case of contact with battery
acid, rinse the affected areas immediately
with plenty of water, and seek medical
attention immediately.
Inserting / replacing batteries
Remove the battery cover by simply pulling
it off. Now insert the batteries. Pay attenti-
on to the correct polarity! At a later battery
change, the conguration of your varmo TZ
eco is maintained.
Controls-/ Display elements
Lights up if mechanical tasks are
ongoing.
Displays if the varmo TZ eco is includ-
ed.
Lights up if the Display shows the
Z-Wave NodeID.
Lights up if less than 15% battery is
remaining.
Lights up if child protection is set.
Displayed if the LCD shows a setpoint
temperature.
Displayed instead of °C Icon if the
varmo TZ eco is set to direct control
mode.
Including
Set your primary Z-Wave Controller to
inclusion mode and follow the steps.
1.Inclusion mode (Inclusion) is displayed
Press Boost-Button
2.Display shows Node-ID
Inclusion completed
3.Installation mode is displayed
Installation at the radiator
4.After succesful installation press the
green blinking button to start the adapti-
on. Once the adaptation is completed, the
display shows the setpoint temperature.
Mounting
After succesful inclusion the display shows
and the button is green blinking (don‘t
press it yet). Follow the steps for installation.
1.Turn the manual thermostat head up com-
pletely, loosen the fastening and pull the
thermostat off of the valve.
2.Use an appropriate adapter, if required,
and push it onto the valve.
3.Now, you put varmo TZ eco on the
connector.
If you are not sure which valve you have,
please visit: www.donexon.com/service
Here you will nd a list of various valves
and adapters.
Manual operation
Button/Interaction Result/Behavior
Press once Decrease room tempera-
ture by 0,5°C.
Press and
hold Decrease Room temperature
by 0,5°C and lower the Room
temperature by 0,5°C every
0,5 seconds or until the
lowest temperature is set.
Press once Increase room temperature
by 0,5°C.
Press and
hold Increase Room temperature
by 0,5°C and raise the Room
temperature by 0,5°C every
0,5 seconds or until the
highest temperature is set.
Push once • Conrm action which is
displayed in the LCD
•Switch into Boost-Mode
(Quick Heat)
•Quit Boost-mode (Quick
Heat) if currently active
Hold for 3
seconds The LCD shows the Z-Wave
Node ID.
Hold for 5
seconds The varmo TZ eco will react
to Inclusion/Exclusion
Commands.
C
Hold while
unpowered
and insert
batteries
Allows factory reset of the
varmo TZ eco.
Hold both si-
multaneously
for 3 seconds
Sets or clears the Child
protection.
Adapters
No adapter is required for the following
valves:
Heimeier, Junkers Landys+Gyr,
MNG, Honeywell, Braukmann
(each with thread size M 30x1,5)
No adapter
neccessary
Danfoss RAV (the pin supplied must
be attached to the valve plunger)
Danfoss RA
Danfoss RAVL
Warning
Remove the connecting pieces of the
plastic adapter completely before you use
one of the supplied adapter!
Info: For additional adaptors, please visit:
www.donexon.com
Removing
Exclude the varmo TZ eco from the network
before removing. Set Z-Wave Controller in
Exclusion mode. Hold the boost button for at
least 5 seconds to exclude. When this pro-
cess is nished, is again on the display.
Unscrew the cap nut and remove varmo TZ
eco off the valve.
Help and error messages
Error Cause/Solution
Batteries do not have enough power.
Replace batteries.
Heating
element
does not
warm up.
Is the boiler water temperature O.K.?
Valve does not open, is it calcied after
the summer pause/heating pause?
Adjust the temperature of the boiler
water. Remove the varmo TZ eco,
move the valveback and forth per hand
or with a tool.
Heating
element
does
not cool
down.
Valve does not close completely. It
may be that the closing point of your
valve seat has shifted.
Adapt again (see “Adapting”) Move
the valve stem several times by hand,
it may be that adaptation is impossible
because your valve is calci ed or the
seat no longer performs its function.
Pressure
piece falls
out (This
can also
cause an
E1-error).
Due to an endless thread the pres-
surepiece, which is situated at the
bottom, can fall out if the device has
not been afxed on the valve.
Put in the pressure piece. The device
can be adapted by removing and
inserting the batteries. The endless
thread is rotating now and xes the
pressure piece again. Just install it to
the radiator and adapt it once again.
ER1-ER3 The error code can be cleared by
pressing the boost button.
ERR Inclusion failed.
Z-Wave Controller out of range.
ER1 Valve positioning not possible.
Check if the valve is jammed.
ER2 Valve not detected.
Check if the varmo TZ eco is correc-
tly mounted.
ER3 Valves closing point not detected.
Check if the varmo TZ eco is correc-
tly mounted.
LEGAL NOTICE
Environmental protection:
From the date of implementation of
European guidelines 2012/19/EU into
national law, the following applies:
Electric and electronic devices and batteries
may not be disposed of in household waste.
The consumer is obliged to return electric and
electronic devices and batteries to the public
collection points established for them or to the
point of sale. The particulars of this are regu-
lated by the applicable state laws. The symbol
on the product, operation instructions or
packaging points to these provisions.
You make an important contribution to the
protection of the environment by reusing or
recycling old equipment/batteries or making
use of them in other ways.
Declaration of conformity:
Hereby, VARIA3 GmbH declares that
the varmo TZ eco Radiator Thermost-
at is in compliance with Directive 2014/53/EU.
The full text of the EU declaration of conformity
is available at the following internet address:
https://donexon.com/service.
Z-Wave and Z-Wave Plus are registered
trademarks of Sigma Designs and it is
subsidiaries in the United States and other
countries.
Warranty:
The two-year warranty begins on the day of
purchase. Please keep the receipt as evidence
of purchase in the future. During the guarantee
period, defective radiator thermostats may be
sent to the service address below. Please en-
sure sufcient postage is paid.
A new or repaired device will then be sent to
you free of charge. Following expiry of the gua-
rantee, you may still send the defective device
to the address below for repairs. Please ensure
sufcient postage is paid. Repairs carried out
after the guarantee period are subject to a
charge. Your legal rights are not affected by
this guarantee.
There is no new warranty period starting when
repairing or replacing the device. Please note
that we only grant warranty on the function
of the device. We will not grant warranty for
the interaction between the thermostat and
the bottom part of the valve. The technical
data is only valid for the use of the following
valves: Heimeier, Junkers Landys + Gyr, MNG,
Honeywell, Braukmann (measure of thread
M30 x 1,5), Oventrop (M30 x 1,5) Danfoss RA,
RAV and RAVL.
Please see the combinations of the devices
on our website (www.donexon.com/service
Adapter list) Eurotronic does not issue a gua-
rantee when using the thermostat with valves
which are not mentioned above.
Technical specications
Device short description: varmo TZ eco
EAN: 4251660900025
Supply Voltage: 2 x 1,5V LR6/Mignon/AA
Radio Frequency: 868,42 MHz
Connection: M30 x 1,5mm
Method of operation: Type 1
Dimensions (W x H x D): 56 x 68 x 89 mm
Weight: 176g (incl. batteries)
Degree of protection: IP20
Degree of pollution: 2
Output Power: +4dBm
Technical modications are subject to change.
ENGLISH
Funktionalität zwischen dem Zusammenspiel
des Thermostats und des Ventilunterteils ge-
ben. Die anwendungsbezogenen technischen
Daten sind ausschließlich zusammen mit den
Ventilen Heimeier, Junkers Landys+Gyr, MNG,
Honeywell Braukmann Gewindemaß (M30x1,5),
Oventrop (M30x1,5) Danfoss RA, RAV und RAVL
gewährleistet. Die Gerätekombinationen kön-
nen auf unserer Webseite (www.donexon.com)
entnommen werden.
Beim Betrieb des Thermostats mit Fremdventi-
len-/adaptern, die nicht aufgeführt sind, ist die
Funktionalität durch den Anwender sicherzu-
stellen. VARIA3 GmbH erbringt in diesen Fällen
keine Garantieleistung. Nach Ablauf der Garan-
tiezeit haben Sie ebenfalls die Möglichkeit, das
defekte Gerät zwecks Reparatur ausreichend
frankiert an die angegebene Adresse zu sen-
den. Nach Ablauf der Garantiezeit anfallende
Reparaturen sind kostenpichtig. Ihre gesetz-
lichen Rechte werden durch diese Garantie
nicht eingeschränkt.
Technische Änderungen jederzeit vorbehalten.
Decrease
Temperature
Increase
Temperature
Boost / Okay
Button for Task conrmation
