Ravelli VELA 7 Serie Manual De Uso Y Mantenimiento página 74

Deep combustion chamber cleaning
! IMPORTANT
To clean the combustion chamber, proceed as follows:
1 Remove the vermiculite stop
2 Remove the vermiculite.
Use and maintenance manual Vela 7-9
This operation must be carried out by a Ravelli Assistance Centre.
Schedule this type of cleaning with the Ravelli Assistance Centre.
Rev.1 20.02.18
Page 75
EN