Flue Installation And Connection; Connecting The Safety Valve Drain/Blow-Off Pipe - Viessmann VITODENS 200-W Installation Instructions Manual

Installing the boiler and making all connections
Note
If the gas condensing boiler is to be oper-
ated in weather-compensated mode and
with a DHW cylinder, connect the DHW
cylinder at cylinder flow B and cylinder
return D (four pipe connections).

Flue installation and connection

Connect the appropriate flue system as
per our flue gas system installations.
During installation and positioning of the
flue gas system, observe building regu-
lations part L and BS 5440 as well as the
flue gas system installations which are
provided with the boiler.

Connecting the safety valve drain/blow-off pipe

Connect safety valve A with visible out-
let to the household drain system or
route with visible outlet through the
external wall.
A
(cont.)
Flue gas system installation
instructions.
9