Dhw Circulation Connection (Potable Water); Filling The Trap With Water; Flue Gas Connection - Viessmann VITODENS 222-F Installation And Service Instructions Manual

Connections on the heating water and DHW sides

DHW circulation connection (potable water)

DHW circulation connection with DHW circulation
pump connection set (accessories)

Filling the trap with water

Note
If there is a risk of frost, only fill the trap just before
commissioning.
Fig. 8

Flue gas connection

Connect the balanced flue pipe.
Flue system installation instructions
Do not carry out commissioning until the following
conditions are met:
Free passage through the flue gas pipes.
■
Flue system with positive pressure is gas-tight.
■
■ Inspection port covers checked for secure and tight
seating.
■ Apertures for ensuring sufficient combustion air sup-
ply are open and cannot be closed off.
Applicable regulations on installing and commission-
■
ing flue systems have been followed.
(cont.)
Separate installation instructions
Pour at least 0.3 l of water into the flue gas connection.
Danger
During commissioning, flue gas may escape
from the condensate drain.
Always fill the trap with water before commis-
sioning.
Note
The "System certification" and "Skoberne GmbH flue
system" labels enclosed with the technical documenta-
tion may only be used in conjunction with the
Viessmann flue system made by Skoberne.
Danger
Leaking or blocked flue systems or an insuffi-
cient supply of combustion air cause life threat-
ening poisoning due to carbon monoxide in the
flue gas.
Ensure the flue system functions correctly. Aper-
tures for combustion air supply must not be able
to be closed off.
Prevent condensate drainage via a wind protec-
tor.
Installation sequence
15