Bosch ZSB 30-2 Installation And Servicing Instructions page 60

60 | Inspection/Servicing
B Remove the condensate siphon and place a suitable
container below the condensate outlet.
1
Fig. 64
B With the cleaning blade, clean the heat exchanger
from the bottom to the top.
Fig. 65
6 720 644 143 (2010/09)
2
6 720 644 143-19.1O
6 720 612 563-15.1O
B Clean the heat exchanger with the brush from top to
bottom.
Fig. 66
B Remove burner ( chapter 15.2.6 "Checking the
burner") and flush the heat exchanger with water
from above.
Fig. 67
B Clean the condensate tray (with reversed brush) and
the siphon connection.
Fig. 68
B Close the heat exchanger access panel using a new
gasket and tighten the screws to approx. 5 Nm.
6 720 612 563-14.1O
6 720 612 664-18.1R
6 720 610 332-75.2R