Initial Start-Up, Inspection, Maintenance; Further Details Regarding The Individual Steps; Preparing For Commissioning - Viessmann Vitogas 100 Service Instructions Manual

Initial start-up, inspection, maintenance

Further details regarding the individual steps

Preparing for commissioning

Only for an initial start up with Vitotronic 300, type GW2
Check that the safety temperature limiter of the control unit is not set above
110 °C; adjust to max. 110 °C, if required.
Safety equipment block for 72 to
96 kW version
6
Safety equipment block for 108 to
144 kW version
A Pressure gauge
1. Check that the boiler room ventila-
tion aperture is open.
2. Check the inlet pressure of the dia-
phragm expansion vessel.
If it is lower than the static system
pressure, top up with sufficient
nitrogen to raise the inlet pressure
above (0.1 to 0.2 bar) the static
system pressure.
3. Open any installed check valves.