43
Removing the burner and checking the burner gasket
A
B
C
D
E
F
G
H
K
1.
Switch OFF the main power supply
and the ON/OFF switch at the control
unit.
2.
Close the gas shut-off valve and safe-
guard against reopening.
3.
Unlock control unit
A
and pivot for-
wards.
4.
Remove cover panel
B
.
5.
Pull cables from fan motor
C
, gas
train
D
, ignition unit
E
and ionisa-
tion electrode
F
.
6.
Undo gas supply pipe fitting
G
.
7.
Undo six screws
H
and remove the
burner.
!
Please note
To prevent damage,
never touch the mesh of the
burner gauze assembly.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5623 520 GB
Service
Содержание Series B2HA 40
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