Vaillant VRT 340f Guia De Utilização

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Operating manual VRT 340f
•  The batteries can now be changed 
(2x AAA-LR03; Fig. 4.2). Make sure 
that the polarity of the batteries is 
correct.
Fig. 4.2 Changing the batteries
If the batteries are not changed in time, 
the regulator switches over to operating 
mode "Heating" 
 , to prevent the 
installation from freezing up.
5 Manufacturer’s 
warranty 
and liability
Vaillant warranty
We only grant a Vaillant manufacturers 
warranty if a suitably qualified engineer 
has installed the system in accordance 
with Vaillant instructions. The system 
owner will be granted a warranty in 
accordance with the Vaillant terms and 
conditions. All requests for work during 
the guarantee period must be made to 
Vaillant Service Solutions 
(0870 060 777). 
4 Operation, 5 Works guarantee and liability