Burner Removal - Viessmann Vitodens 100-W WB1B Installation And Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps

Burner removal

1. Switch OFF the power.
2. Shut off the gas supply.
24
(cont.)
15. Shut the boiler down, remove flue
gas analyser and close flue gas
port A.
16. Return rotary selectors "tw" and
"rt" to their original positions.
3. Pull power cables from fan motor
A, gas valve B and electrodes
E.
4. Pull the venturi extension D from
the fan.