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 unit
off.

Start-up/shutdown

system on the pressure gauge.
Minimum system pressure 0.8
bar.
If the system pressure is too low,
please notify your heating contrac-
tor.
The combustion air is taken from the
installation room.
Check whether the ventilation aper-
tures in the installation room are open
and unobstructed.
Your heating system and room tem-
perature control unit (if connected)
are now ready for operation.
11