21
A
B
Fig. 16
1.
Valves
A
and
B
must be in the "top" position.
2.
Open the cold water line and a DHW draw-off
point.
3.
Once air stops coming out of the DHW draw-off
point, the loading cylinder is completely filled.
Venting the boiler by flushing
Note
Inadequate venting can result in damage due to steam
blasts in the heat exchanger.
Commissioning, inspection, maintenance
Filling the loading cylinder on the DHW side
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Содержание Vitodens 111-W
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