24
87 kW
F
A
B
D
C
E
Fig. 19
115 to 311 kW
A
E
F
B
D
C
B
C
Fig. 20
1.
Release clamps and disconnect control cables.
2.
Undo fitting
C
on gas supply pipe
D
.
3.
Remove Venturi mixing pipe
E
from fan
A
.
4.
Remove all connecting cables from the gas train.
5.
Remove Venturi mixing pipe
E
with gas train
B
and gas supply pipe
D
.
Note
For burners with 246 to 311 kW, a rotary damper
with drive is also fitted at position
E
.
6.
Pull connecting cables "100" and "100A" from fan
A
. Remove fan
A
.
Note
Ensure that the gasket between the fan housing
and the boiler door is correctly seated.
7.
Clean the fan housing and impeller carefully with
compressed air.
8.
If required, vacuum the inside of burner gauze
assembly
F
. Blow out with compressed air if
required.
Fitting the burner
87 kW
A
B
D
C
E
Fig. 21
1.
Mount fan
A
.
Note
Ensure the gasket between the fan housing and
the boiler door is correctly seated.
2.
Plug connecting cables "100" and "100A" into the
fan.
3.
Secure Venturi mixing pipe
E
with gas train
B
and gas supply pipe
D
to fan
A
.
Note
For larger burners (246 to 311 kW), a rotary
damper with drive is also fitted at position
E
.
4.
Connect all required cables to the gas train.
Commissioning, inspection, maintenance
Cleaning the burner
5812086
