Table of Contents
Advertisement
Vitodens 222-F, B2TB 19, 35, 68, 125 Installation
Connections
(continued)
When utilizing the combustion air inlet seal A for Vitodens
222 B2TB boilers, remove the inlet seal A, tear out center
section and install the remaining rubber seal back into the air
inlet opening.
Legend
A Combustion air
B Flue gas exhaust
Refer to the Vitodens Venting System
Installation Instructions
Boiler venting
The Vitodens 222-F B2TB boiler comes with a pre-installed
vent pipe adaptor C.
Run venting system, single-wall or coaxial, through the
side wall or the roof, taking the shortest possible route
and at a rising angle (min. 3º).
WARNING
Remove outer gasket from vent pipe adaptor C
wall (boiler room air dependant) venting system is used.
CAUTION
Under certain climatic conditions some building materials
may be affected by flue products expelled in close
proximity to unprotected surfaces. Sealing or shielding of
the exposed surfaces with a corrosion resistant material
(e.g. aluminum sheeting) may be required to prevent
staining or deterioration. The protective material should
be attached and sealed (if necessary) to the building
before attaching the vent termination. It is strongly
recommended to install the vent termination on the
leeward side of the building.
Connecting power
The Vitodens 222-F boiler has a external accessories
connection box installed, which requires a 120VAC
power supply from a wall receptacle. Refer to the wiring
diagram (see page 41).
Connecting heating system
Flush heating system thoroughly prior to connecting boiler
Proper piping practice
Support piping by proper suspension method. Piping
must not rest on or be supported by boiler. Use moderate
amount of dope.
Use an approved pipe sealant or teflon tape when
connecting the following installation fittings.
2 imperfect threads
Boiler Connections
C if single
Leave 2 threads bare
13
Advertisement
Table of Contents
