Connecting On The Heating Water And Dhw Sides; Connecting The Condensate Drain - Viessmann VITODENS 111-W Installation And Service Instructions Manual

Mounting the boiler and making connections
1. Take the additional type plate from the supplied
documentation.
Note
The documentation with the additional type plate
and QR code marked with "i" can be found on top
of the appliance.

Connecting on the heating water and DHW sides

A B C
Fig. 7
Heating flow
A
Heating return and fill/drain valve
B

Connecting the condensate drain

Fig. 8
D E F
(cont.)
2. In consultation with the system user, affix the addi-
tional type plate to the outside of the appliance.
The additional type plate must be visible to the flue
gas inspector.
Affix another QR code to the installation and serv-
ice instructions.
C Gas connection
Safety valve
D
Cold water
E
DHW
F
If the connections have not been fitted previously,
make the connections on the heating water and DHW
sides.
Connection accessories with locking ring fitting inclu-
ded in standard delivery
Installation sequence
19