Installation Manual

55
5350 485 GB 08/2007
Venting
Venting program
During the venting program, the circulation
pump will be alternately switched ON and
OFF for 30 s respectively over a period of
20 min. For a certain period, the diverter
valve is alternately set towards heating and
DHW heating, The burner is switched OFF
during the venting programme.
The venting program is activated
via code “2F:1” page 49. The program
is automatically disabled after 20 min
and coding address “2F” is set to “0”.
Filling with the control unit switched ON
If the system is to be filled with the control
unit switched ON, the diverter valve will be
moved to its central position via code
“2F:2” and the pump will be started.
The burner shuts down if this function is
enabled via coding address “2F”. The
program is automatically disabled after 20
min and coding address “2F” is set to “0”.
Vitoden 200-W pages 44 - 4/9/07 7:56 pm Page 12