Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation
5685 827 - 14
18
Connections
Boiler Connections
Boiler venting
The Vitodens 200-W B2HA boiler comes with a pre-installed
vent pipe adaptor.
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).
Proper piping practice
Support piping by proper suspension method. Piping
must not rest on or be supported by boiler. Use moderate
amount of dope.
Gas shut-off valve connection
1. Make gas connections in accordance with codes
CAN/CSA B149.1 and .2 or National Fuel Gas Code
ANSI Z223.1/NFPA 54, as well as local codes.
2. Connect gas shutoff valve to the boiler gas
connection.
3. Once connected close gas shutoff valve on boiler.
Connecting power
The Vitodens 200-W boiler has a external accessories
connection box installed, which requires a 120VAC/12A
power supply. Refer to the wiring diagram on page 47.
WARNING
Remove outer gasket if single wall (boiler room air
dependant) venting system is used.
See following page for details on gas
connection and piping.
Manual gas shutoff
Closed
Open
2 imperfect threads
Leave 2 threads bare
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