6 720 610 602 GB (03.02)
Maintenance
39
B
Loosen any deposits in the heat exchanger from top
to bottom using the cleaning blade. Refer to fig. 47.
Fig. 47
B
Clean the heat exchanger from top to bottom using
the brush. Refer to fig. 48.
Fig. 48
B
Flush the heat exchanger from the top. Refer to
fig. 49.
B
Clean out the condensate collector and trap connec-
tion (with other end of brush).
Fig. 49
B
Refit the clean-out cover using a new seal and
tighten screws to torque of approx. 5 Nm.
Burner
B
Check that the gas cock is turned off and the master
switch is in the OFF position
B
Remove the clips (1) and unscrew the two bolts (2).
Refer to fig. 50.
B
Unscrew and remove the two hexagon screws secur-
ing the fan (3).
B
Slacken fully the rear securing bolt (4).
B
Remove the burner coverplate.
Fig. 50
B
Remove the burner skin and clean components. Do
not use a wire brush. Refer to fig. 51.
Fig. 51
B
Re-assemble burner in reverse order using a new
seal.
B
Adjust gas/air ratio. Refer to section 8.2.
6 720 610 332-73.1R
6 720 610 332-74.1R
6 720 610 332-75.2R
1.
2.
4.
7 181 465 330-04.1R
3.
7 181 465 330-08.1R
Summary of Contents for ICC2 combi ZWBR 11-37 ICC2
Page 51: ...6 720 610 602 GB 03 02 Appendix 51 ...
Page 102: ...7 181 465 347 01 07 50 Appendix ...
Page 103: ...7 181 465 347 01 07 Appendix 51 ...
Page 104: ...Appendix ...
