Start-Up/Shutdown; Starting The Heating System; Shutting Down The Heating System; With Frost Protection Monitoring - Viessmann VITODENS 100-W Operating Instructions Manual

Starting the heating system

We recommend you contact your local
heating contractor if you are planning to
start up a heating system that has not
been used for a long period.
2
1
0
bar

Shutting down the heating system

With frost protection monitoring

Further information can be found
in chapter "Terminology" in the Ap-
pendix.
1. Check the pressure of your heating
3
2. In open flue operation:
4
3. Open the gas shut-off valve.
4. Turn ON the ON/OFF switch.
If you do not wish to use your boiler for
several days you can switch the appli-
ance off.

Start-up/shutdown

system on the pressure gauge.
Minimum system pressure 0.8 bar
Notify your heating contractor if the
system pressure is too low.
Combustion air is drawn from the
installation room.
Check whether the vents in the instal-
lation room are open and unobstruc-
ted.
Your heating system and room tem-
perature control unit (if connected)
are now ready for operation.
13