Connections; Connecting The Power Supply; Boiler Venting; Proper Piping Practice - Viessmann Vitodens 200-W Series Installation Instructions Manual

Connections

Connecting the power supply

See Power/Pump
Module Installation
Instructions

Boiler venting

Fig. 10

Proper piping practice

Use moderate amount of dope
2 imperfect threads
Thread pipe right length
Leave 2 end threads bare
Fig. 11 Pipe threads

Gas shut-off valve connection

Gas
connection
Fig. 12 Gas valve connection
The Vitodens 200-W boiler is shipped
with a Power/Pump module, which
requires a 120 VAC power supply
from a wall receptacle. The module
contains a 120/230 VAC step-up
transformer for 230 VAC operation.
Boiler Connections
Refer to the Installation Instructions
shipped with the module or those
contained in this manual for wiring
details (see page 54).
The Vitodens 200-W WB2B boiler
comes with a pre-installed vent pipe
adaptor (as shown in fig. 10).
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).
See Installation Instructions
WB2B Venting System for
details.
Support piping by proper suspension
method. Piping must not rest on or be
supported by boiler.
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.
See following page for details on gas
connection and piping.
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