Donexon varmo TZ eco - Smart Radiator Thermostat Installation Manual

User manual and Guarantee

Please read this User Manual carefully before 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 described 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, modified or opened.

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 membranes. 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 attention to the correct polarity! At a later battery change, the configuration of your varmo TZ eco is maintained.

Controls / Display elements

Lights up if mechanical tasks are ongoing.

Displays if the varmo TZ eco is included.

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 successful installation press the green blinking button to start the adaption. Once the adaptation is completed, the display shows the setpoint temperature.

Mounting

After successful 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 completely, 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 find a list of various valves and adapters.

Manual operation

Adapters

No adapter is required for the following valves:

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 process is finished, 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 calcified 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 calcified 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 pressure piece, which is situated at the bottom, can fall out if the device has not been affixed 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 fixes 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 correctly mounted.
ER3	Valves closing point not detected. Check if the varmo TZ eco is correctly mounted.

Technical specifications

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 modifications are subject to change.

Customer Service:
VARIA3 GmbH
Langenfelder Straße 108
36433 Bad Salzungen

E-Mail: info@donexon.com
Web: www.donexon.com

Stand: 2019/02