Heating Water Connections - Viessmann Vitodens 200 WB2 11-44 Installation Instructions Manual

Boiler Connections
Connections
(continued)

Heating water connections

AV
PRV
GC
BD SVL
DS
BWS
AV Air vent
BD Boiler Drain
BWR Boiler water return
BWS Boiler water supply
DR Boiler heating return for
domestic hot water production
DS Boiler heating supply for
domestic hot water production
PRV Pressure relief valve
18
BWR
DR
1. Thoroughly flush heating system
(particularly before connecting the
boiler to an existing system).
2. Connect boiler to the heating
system.
Max. operating pressure
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Test pressure
. . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IMPORTANT
Damage resulting from pressure
exceeding those values stated is not
covered by Viessmann warranty.
3 bar/
. . . . .
45 psig
4 bar/
60 psig