Removing the burner and checking the burner gasket
(replace gasket every two years)
1.
Switch OFF the mains power sup-
ply to the control unit at the ON/
OFF switch.
2.
Close the gas shut-off valve and
safeguard against reopening.
3.
Pull electrical cables from differen-
tial pressure sensor
A
, gas valve
B
, ionisation electrode
C
, earth
tab
D
, fan motor
E
and ignition
unit
F
.
4.
Undo the fixing screws of gas con-
nection flange
G
.
5.
Release four nuts
H
and remove
the burner.
!
Please note
Prevent damage to the wire
gauze.
Never rest the burner on the
gauze assembly.
6.
Check burner gasket
K
for
damage.
Generally replace the burner gas-
ket
every 2 years
.
Further details regarding the individual steps
(cont.)
18
Commissioning, inspection, maintenance
5692
731
GB
Summary of Contents for VITODENS 333-F WS3A
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