Operating Instructions and Installation Instructions

Performing maintenance
64 Instruction manual BFM
12
s
12.3 Water-side
maintenance
12.3.1 Introduction
The following steps must be carried out on the water side:
1. Checking the anodes
.
2. Descaling and cleaning the tank
.
12.3.2 Checking the anodes
Timely replacement of the anodes extends the service life of the appliance. The
appliance's anodes must be replaced as soon as they are 60% or more used up
(take this into consideration when determining the maintenance frequency).
1. Remove the chimney flue components from the top box.
2. Remove the cover from the top box.
3. Disconnect the fan leads and withdraw the cable through the strain relief.
4. Undo the screws in the top box.
5. Remove the top box from the appliance.
6. Undo the screws of the lid in the top side of the appliance.
7. Remove the lid from the appliance.
8. Remove the sealing ring from the appliance.
9. Loosen the anodes using suitable tools.
10. Check the anodes, and if necessary, replace them.
11. Now also check the flue baffles (12.4.4 "
Checking the flue baffles"). If
necessary, replace them.
12. Place a new sealing ring on the rim of the tank and re-fit the lid.
13. Fit: the top box.
14. Feed the fan cable through the strain relief and connect the leads to the fan.
See addendum (14 "
Electrical diagram").
15. Fit: the cover onto the top box.