15
Danger
When working with high temperature insulation
materials that contain zirconium or aluminium
silicate ceramic fibres, fibre dust may
develop. This fibre dust can be harmful to
health.
Only trained personnel may adapt or replace the
insulation. Wear suitable protective clothing,
especially breathing equipment and safety gog-
gles.
A
C
B
E
D
F
Fig. 11
1.
Undo the quarter-turn rotary latches on the sides of
burner hood
A
and remove burner hood
A
.
2.
Release burner cables
C
with plugs
fA
and
lÖ
at
the burner control unit and remove them from the
burner casing.
3.
Release power cable
D
with plug
fÖ
and control
unit connecting cable
F
with plug
fÖ
/
aBH
at the
burner and the strain relief; remove them from the
burner casing.
4.
Remove gas supply pipe
B
.
Commissioning, inspection, maintenance
Opening the boiler door
5783 337 GB
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