40
Venting the heating system
A
1.
Close the gas shut-off valve and
switch the control unit ON.
2.
Check whether the air vent screw in
quick-action air vent valve
A
in the
heating circuit pump is open.
3.
Activate venting program (see follow-
ing steps).
Note
For function and sequence of the
venting program, see page 160.
4.
Check the system pressure.
5.
Open the gas shut-off valve.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5773 216 GB
Содержание Vitodens 222-F B2TA series
Страница 12: ...12 2 5 1 4 2x 3 Installing the boiler Removing the front panels 5773 216 GB...
Страница 13: ...13 1 2 SW17 Installing the boiler Siting and levelling the boiler 5773 216 GB Installation...
Страница 19: ...19 2x 4x 4 3 5 2 1 Installing the boiler Opening the control unit casing 5773 216 GB Installation...
Страница 29: ...29 5 4 2 6 2x 3 1 Installing the boiler Closing the control unit casing 5773 216 GB Installation...
Страница 31: ...31 4 1 5 2 2x 3 Installing the boiler Fitting the front panels 5773 216 GB Installation...
Страница 194: ...194 5773 216 GB...
Страница 195: ...195 5773 216 GB...