12
12.4.3
Maintenance
Cleaning the orifice
1.Detach the orifice.
2.Remove all contamination present in the orifice.
3.Fit the orifice.
s
12.4.4Cleaning heat exchanger
1.Detach the burner.
2.Clean the combustion chamber of the heat exchanger using a vacuum cleaner and a soft brush.
3.Detach the flue gas discharge.
4.Clean the end of the heat exchanger using tap water.
5.Fit the burner.
6.Fit the flue gas discharge.
nRemark
12.5Finalising mainte- nance
Check the pressure differential again after cleaning. If the pressure differential is too low following cleaning, please contact the supplier of the appliance.
To finalise the maintenance carry out the following steps:
1.Fill the appliance. See paragraph ’4.2 Filling the appliance’.
2.
3.Remove the SERVICE REQUIRED message. Do this by: pressing Ronce, followed by Eonce.
88 | Instruction Manual BFC |
