Heating Water Connections - Viessmann Vitodens 200-W Series Installation Instructions Manual

Boiler Connections
Connections
(continued)

Heating water connections

PRV
GC
BD
BWS
Fig. 14
Legend
BD Boiler Drain
BF Boiler Fill
BWS Boiler Water Supply
BWR Boiler Water Return
GC Gas Connection
PRV Pressure Relief Valve
20
BF
BWR
1. Thoroughly flush heating system
(particularly before connecting the
boiler to an existing system).
2. Connect boiler to the heating
system.
Max. operating
pressure 4 bar / 60 psig
. . . . . . . . . . . . . . . . . . . . . . . .
Test pressure 6 bar / 90 psig
. . . . . . . . . . . . . .
IMPORTANT
Damage resulting from pressure
exceeding those values stated is not
covered by Viessmann warranty.