Inspection and maintenance
Instructions for installation and servicing ecoTEC 839592_13 57
7
7.2.3 Checking the burner
1
Fig. 7.5 Checking burner
The burner (1) is maintenance-free and needs no cleaning.
> Check the burner surf
ace for damage, replace the
burner if necessary.
> After checking/replacing the burner, re-assemble the
burner module in the boiler as described in Section
7.2.4.
7.2.4 Refitting the burner module
1
Fig. 7.6 Replacing the burner door seal
> Insert a new seal (1) in the burner door.
b
Caution!
Risk of damage through overheating!
Overheating may lead to a distortion of the
burner door and/or to plastic components
within the boiler being damaged.
> Replace the burner door seal (1) and the
self-locking nuts on the burner module
each time the module is removed (for
example during maintenance, see Table 7.1).
> Replace the burner flange insulation on the
burner module if it shows any signs of
damage other than small cracks.
10
9
8
4
5
7
6
Fig. 7.7 Refitting the burner module
> Insert the burner module (9) in the integral condensa-
tion heat exchanger (10).
> Tighten the four nuts (4) on the alternate left and
right sides until the burner door fits closely and uni-
formly to the stop surfaces.
> Reconnect the HT lead (5) and earth lead (6) to the
spark electrode.
> Insert the cables (8) on the fan motor and the cable
(7) on the gas fitting.
2
3
1
Fig. 7.8 Refitting the gas supply
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