Operating instructions
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