Removing The Burner And Checking The Burner Gasket - Viessmann VITODENS 200-W Installation And Service Instructions Manual

Removing the burner and checking the burner gasket

K
E
H
F
B
Fig.28
1. Turn off the ON/OFF switch on the control unit and
the power supply.
2. Close the gas shut-off valve and safeguard against
reopening.
3. Unlock control unit
A
4. Remove cover panel
B
5. Pull cables from fan motor
unit and ionisation electrode
E
C
and pivot forwards.
.
, gas train , ignition
C D
.
F
Commissioning, inspection, maintenance
D
G
A
6. Undo gas supply pipe fitting
7. Undo six screws
H and remove the burner.
!
Please note
To prevent damage,
never touch the mesh of the burner gauze
assembly.
8. Check burner gasket
K
ket if required.
.
G
for damage. Replace gas-
35