Vaillant VRT 340f Operating Guide

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Installation instructions VRT 340f
Safety instructions and 
regulations
The unit must be installed by a suitably 
qualified heating engineer, who is 
responsible for adhering to the existing 
standards and regulations. We accept no 
liability for any damage caused by failure 
to observe these instructions.
 
8.1 Safety 
instructions
 Danger!
Risk of fatal electric shock from 
touching live connections.
Before working on the appliance, 
turn off the power supply and 
secure against restart.
Only remove the room 
temperature thermostat from 
the wall mounting or from the 
plinth when it is potential free.
8 Safety instructions and regulations