Viessmann Vitoligno 300-H Installation And Service Instructions For Contractors page 56

Commissioning, inspection, maintenance
Commissioning the heating system
Charging scheme 9
Rotary lock valve and pellet hopper with vacuum
module and discharge screw conveyor
Boiler charging via a rotary lock valve and a pellet hop-
per.
The pellet hopper is filled via a vacuum module and
discharge screw conveyor.
Fig. 45
Outputs
Plug number
214
216
218
Inputs
Plug number
240
241
243
244
245
248
251
56
(cont.)
Function
Motor, vacuum module
Motor, rotary lock valve
Motor, discharge screw conveyor
Function
Safety limit switch, discharge screw conveyor
Safety limit switch, silo door
Thermal contact, rotary lock valve
Thermal contact, discharge screw conveyor
Thermal contact, vacuum module
Proximity switch, pellet hopper
Proximity switch, suction shoe, transition