Viessmann Vitoligno 300-H Installation And Service Instructions For Contractors page 20

Installation sequence
Fitting the bottom thermal insulation
Fig. 12
!
Please note
Thermal radiation from the boiler can damage
the boiler room floor.
Insert thermal insulation.
Slide the thermal insulation under the boiler as far as it
will go.
20
Note
Floor pan with thermal insulation: Weight 11 kg