M 11. Cleaning Heating Surfaces; System Start−Up - Viessmann Vitogas 100 Service Instructions Manual

Initial start−up, inspection and maintenance
Further details regarding the individual steps
Clean heating surface, if required
System start−up
¨ Safety instruction
Check the soundness of all joints of gas pipes and fittings at operating
pressure with a foaming test agent (leak test spray).
14
(with the burner removed)
1. Release the self−tapping screws
and remove top panel A.
2. Release the tensioning springs,
A
thermal insulation mat B.
B
3. Unscrew the lid from flue gas
collector C.
C
4. Clean the boiler body heating
surfaces (with burner removed)
using the cleaning brush supplied.
¨ Never use cleaning agents
containing potassium.
5. Remove residues from the bottom
plate.
6. H Fit the lid to the flue gas
collector.
H Position the mineral fibre mat
and the thermal insulation mat
and secure with the tensioning
springs to the boiler body
thermal insulation mat.
H Fit the top panel.
H Install the burner in reverse
order. Use new gaskets.
(cont.)