Starter Adaptor - Viessmann Vitodens 100-W WB1B Series Installation Instructions Manual

Flexible Venting Installation

Starter Adaptor

Vent pipe starter adaptors for WB1B 26, 35,
WB2B 19, 26, 35, B2HA 19, 28, 35, B2HB 19, 26, 35,
B2TB 19, 35, B2TA 19, 35
Note: This adaptor A may not be required, contact vent
manufacturer for available vent sizes.
Fig. 7
WARNING
(For this type of installation only:)
Boiler comes with pre-installed combustion air cover
mounted on the concentric vent pipe adaptor. Do not
remove combustion air intake cover. Removing this cover
may cause unintended room air dependent operation
(non-direct vent). Room air dependent operation requires
provision of combustion and ventilation air (as per
section "Single Pipe Venting", page 22.
Air inlet (intake)
cover must be in place.
DO NOT remove!
Optional left
connection for air
intake.
Direct Venting (Two-pipe System)
Flue
Air
Legend
A PP(s) slip joint vent starter adaptor
(60 to 80 mm) *
1
B 2 in. CVPC starter adaptor,
ViPN 7134 769
a 3 in. (80 mm) nominal
b 2 in. (50 mm)
c 5b in. (140 mm)
e 3 in. (80 mm)
*1 For system Ø of 4 in. (100 mm), an increaser adaptor
3 to 4 in. (80 to 100 mm) in addition to this increaser
adaptor must be used.
15