9
Initial start−up, inspection and maintenance
Further details regarding the individual steps
(cont.)
Closing the Vitoair draught stabiliser
(if installed)
1.
Switch ON the burner.
2.
Switch OFF the system, when
pre−purge is running; this closes
the control disc.
Opening the boiler door and the clean−out cover
Note
Remove the gas supply pipe on gas
burners.
5692729 GB
4x
