Flue Gas Connection - Viessmann B1KE Combi Series Installation And Service Instructions Manual

Installation

Flue Gas Connection

WARNING
Leaking or blocked flue systems, or an inadequate
supply of combustion air can cause life threatening
poisoning from carbon monoxide in the flue gas.
Ensure the flue system is in good working order.
Vents for supplying combustion air must be nonclosable.
Prevent condensate drainage via a wind protector.
Legend
A Combustion air
B Flue gas
Coaxial
24
Vitodens 100-W, B1HE/B1KE Combi Installation/Service
Refer to the Vitodens Venting System
installation instructions
Only carry out commissioning when the following
conditions have been met:
Unrestricted flow in the flue gas routes.

Positive pressure flue system is gas-tight.

Inspection port covers checked for secure and tight

seating.
Apertures for supplying sufficient combustion air are

open and cannot be closed.
All current regulations on installing and commissioning

flue systems have been observed.
1. Do not damage the sealing lip on the outside ring
of the sealing plug. Carefully detach the inner part
of the sealing plug, preferably without using a tool.
2. Note: If the boiler is direct vent with a two pipe
system, the coaxial vent seal must be fitted!
For direct vent applications the combustion air gaskets
position can be interchanged.
One gasket is sized for a 3b in. (89 mm) ouside diameter
(for CPVC/PVC/ABS), combustion air piping the other
is sized for a 3d in. (80 mm) (for PPs) outside diameter
combustion air piping.
Direct Vent
Room Air Dependant