Vaillant vrnetDIALOG 820 Instrucciones De Instalación página 132

5 Electrical installation
5 Electrical installation
During the electrical installation, connection
is only possible to a single heating appliance.
Fig. 5.1 Connection to one heating appliance
Danger
Live connections can cause electro-
cution. Disconnect the heater from
the power supply before making the
electrical connections.
10
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vrnetDIALOG
230 V~
Caution
Do not extend the connection cable
for the heating appliance (X80) as
otherwise the function of the
vrnetDIALOG may be impaired.
5.1 Earthing the vrnetDIALOG
(analogue only)
The vrnetDIALOG must be earthed for opera-
tion. Use the green and yellow earthing cable
supplied.
1
Fig. 5.2 Earthing for vrnetDIALOG 820
Installation Manual for vrnetDIALOG