Removing The Burner And Checking The Burner Gasket (Replace Gasket Every Two Years) - Viessmann VITODENs 200 Installation Instructions Manual

Initial start-up, inspection, maintenance
Further details regarding the individual steps
Removing the burner and checking the burner gasket
(replace gasket every two years)
1. Switch OFF the control unit ON/
OFF switch and the mains electri-
cal supply.
2. Close the gas shut-off valve and
safeguard against reopening.
3. Pull electrical cables from fan
motor A, pressure switch B, gas
valve C, ionisation electrode D
and ignition unit E.
20
(cont.)
4. Release gas connection pipe F.
5. Release four nuts G, and remove
the burner.
!
Important information
To prevent damage,
never rest the burner on the
gauze assembly.