Vaillant VRT 340f Bedienungsanleitung
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Installation instructions VRT 340f
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Fig. 9.2 Mounting the room temperature
thermostat
10 Electrical
installation
The electrical connection may only be
carried out by a suitably qualified
heating engineer.
carried out by a suitably qualified
heating engineer.
Danger!
Risk of fatal electric shock from
touching live connections. Before
carrying out work on the
controller, switch off the power
supply and secure it against
being switched on again.
touching live connections. Before
carrying out work on the
controller, switch off the power
supply and secure it against
being switched on again.
9 Installation, 10 Electrical installation