42
Installation and servicing instructions for wall-mounted condensing gas boiler Buderus 600 - 11R/19R/24R • 02/2006
Buderus • http://www.buderus-domestic.co.uk
Subject to modifications resulting from technical improvements!
Maintenance
4
z
Remove burner gasket (fig. 39, item 1).
z
Remove rubber seal in heat exchanger by pushing
upwards from inside (fig. 39, item 2).
z
Remove heat exchanger by pulling upwards through
the opening (fig. 40).
z
Remove the front of the heat exchanger. This is done
by releasing the four snap catches at the sides.
z
Remove the glow ignitor (fig. 41, item 1) and ionisa-
tion electrode (fig. 41, item 2).
In the case of the glow ignitor:
loosen the fixing
screw of the glow ignitor, detach both earth (ground)
leads and remove the retaining plate of the glow
ignitor by pulling it upwards, withdraw the glow ignitor
by pulling it upwards.
In the case of the ionisation electrode:
Swivel the
retaining plate to one side and carefully remove the
ionisation electrode by pulling it upwards.
z
Clean the burner and both parts of the heat
exchanger with compressed-air or brush.
z
Refit the heat exchanger by following the above
procedure in reverse order.
Fig. 39 Remove burner gasket and rubber seal
Fig. 40 Remove burner
NOTE
Maintain the specified clearance of
approx. 25 cm between the ceiling and
the ventilation cover.
Fig. 41 Remove the glow ignitor and ionisation electrode
1
2
CAUTION!
CAUTION
The gasket between the two halves of the
casing shell should normally be replaced.
Fit the new gasket by pressing in from the
top on both sides, and without stretching.
DO NOT attempt to cut the gasket to size.
