Viessmann Vitoladens 300-C Installation And Service Instructions Manual page 20

Installation sequence
Flue gas connection
Coaxial flue gas/ventilation air routing
G
H
L
K
C
D
Fig. 14
Flue gas connection
C
Ventilation air connector
D
Flue gas/ventilation air pipe (coaxial)
G
Boiler flue connection (coaxial)
H
Ventilation air hose
K
Spiral hose clamp
L
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.
20
(cont.)
2.
L
1.
1. Attach ventilation air hose
nector with spiral hose clamp
D
Tighten the spiral hose clamp.
Note
The bridge of the spiral hose clamp must not be
located where the ventilation air hose bends.
2. Bend ventilation air hose
flue connection H with spiral hose clamp
Tighten the spiral hose clamp.
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.
to ventilation air con-
K
.
L
and attach it to boiler
K
L .