Vaillant vrnetDIALOG, Installation Manual

Page: 133 / 144

11
Installation Manual for vrnetDIALOG
GB
• Plug the terminal of the earthing lead into
the contact ( 1 ) on the board of the
vrnetDIALOG.
• Connect the other end of the earthing lead
to a point such as the earth potential of the
pump connection or the low-voltage termi-
nal.
5.2 Connecting to heating appliances via
eBUS
Note
To connect heating appliances with an
eBUS use the black lead with the
RJ 9 plug (4-pin).
Use the short lead for installation in
the boiler and the long lead for instal-
lation in an external housing.
• Plug the connector on one end of the lead
to the X80 edge connector of the vrnetDIA-
LOG circuit board and the RJ 9 plug into the
X30 socket on the heating appliance.
• Install the circuit board in the switch box of
the appliance electronics or use the housing
provided.
Fig. 5.3 Connection to a heating appliance via eBUS
Note
You can only use the eBUS diagnostic
plug if the vrnetDIALOG is connected
to an eBUS appliance.
Electrical installation 5