Vaillant VSMART User Manual

Operation 4
0020212889_01 vSMART Operating instructions 11
4.9 Replacing batteries
A
B
1. Remove the thermostat from the product bracket or re-
move the product stand from the thermostat.
2. Insert three new batteries (they must all be the same
type). Pay attention to the correct polarity.
3. Only use AAA alkaline 1.5 V batteries. Do not use re-
chargeable batteries.
4. Place the thermostat back onto the product bracket or
place the product stand back onto the thermostat. The
thermostat or product stand audibly click into place.
4.10 Start screen
After you insert the batteries, the start screen is displayed.
The start screen shows that the thermostat is searching for
the communication unit.

Vaillant VSMART Specifications

General

Type	Smart Thermostat
Connectivity	Wi-Fi
Weather Compensation	Yes
Voice Control	Amazon Alexa, Google Assistant
Languages	Multiple languages supported
Compatibility	Vaillant boilers
Control	manual control
Features	Schedule programming
Power Source	Battery-powered
Display	LCD
Energy Efficiency Features	Optimized start
Installation	Professional installation recommended