5
Initial start-up, inspection and maintenance
Inspection and maintenance
1. System shutdown
2. Closing Vitoair control disc
(if installed)
1.
Press rotary selectorĂ
A
on the
Vitoair motor and turn to
positionĂ
5
.
2
. Arrest the control disc with
lockĂ
B
.
3. Opening boiler door, extracting and cleaning turbulators
Please note:
Remove the gas supply pipe on gas burners.
5692Ă531ĂGB
A
B
A
Turbulators (see pageĂ12)
41
A