Opening The Boiler Door - Viessmann Vitocrossal 200 Service Instructions For Contractors

Commissioning, inspection, maintenance
Further details regarding the individual steps
40
40/156 53

Opening the boiler door

!
Please note
Scratches inside the combustion
chamber can lead to corrosion.
Never put tools or other objects
into the combustion chamber.
26
3A/3B
41
145
15A/15B
(cont.)
5. Disconnect power cable with plug
fÖ. Then disconnect the burner
cables with plugs §A/§B, aGA/
aGB, fÖ/aBH, fA and gD in addition
to plug aVG from the burner control
unit and pull out of the burner cas-
ing.
6. Close the gas shut-off valve.
1. Remove the gas supply pipe.
2. Undo the six screws on the boiler
door (if necessary, undo connecting
cable plug-in connections) and open
the boiler door.
!
Please note
The boiler door can cause
damage and injury if it swings
shut.
After opening the boiler door,
take measures to prevent it
from shutting.