Vaillant VRT 350f Installation Instructions Manual page 6

1.3.8 Risk of material damage caused by
acid
▶ Remove any dead batteries from the
product and dispose of these properly.
▶ Remove the batteries if you intend to store
the product and not use it for an extended
period.
1.3.9 Danger!
▶ Risk of burns!
▶ Risk of electric shock!
▶ For units that are connected to the grid.
▶ Before installing the unit, carefully read
through the installation instructions.
▶ Before starting up the unit, carefully read
through the operating instructions.
▶ Observe the maintenance regulations in
the operating instructions.
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Operating instructions 0020131979_01