Cleaning The Sight Glass In The Boiler Door - Viessmann VITOPLEX 100?LS Installation And Service Instructions Manual

Initial start−up, inspection and maintenance
Further details regarding the individual steps
Checking all connections at the water and steam sides, the
sensor well and the inspection ports for leaks after filling the
boiler

Cleaning the sight glass in the boiler door

Check gaskets and hose connection
for leaks.
16
Each time inspection ports have
been opened:
1. Clean the sealing surface.
2. Replace the gasket.
3. Retighten all connections after
restarting the system.
A
For testing the sensor well, remove
cover A.
(cont.)