Vaillant vrnetDIALOG 820 Manual De Instrucciones página 136

4 Installation
1
Fig. 4.2 Removing the cover
• Remove the two screws (1) and take out the
protective cover (2) (vrnetDIALOG 820
only).
• Push the retaining lug aside to take out the
circuit board (under the protective cover).
Note
Do not extend the connection lead for
the heating appliance.
8
1
2
Fig. 4.3 Connection lead for heating appliance
Caution
Protection class IP20, may only be
used in dry rooms.
Use a clip to fasten the board in the module
slot. Different clips are needed depending on
the appliance electronics; these are labelled
with the numbers 1 to 3 (1). All three clips
which might be used are supplied.
Installation Manual for vrnetDIALOG