Viessmann Vitoligno 300-H Installation And Service Instructions For Contractors page 52

Commissioning, inspection, maintenance
Commissioning the heating system
Charging scheme 2
Screw conveyor and external charging
Boiler is charged via screw conveyor and external
charging
ext
Fig. 39
Outputs
Plug number
216
222
Inputs
Plug number
236
239
241
243
246
Charging scheme 3
Screw conveyor and flexible agitator discharge
Boiler is charged via screw conveyor and flexible agita-
tor discharge
Fig. 40
Outputs
Plug number
216
218
52
(cont.)
Function
Screw conveyor motor
External charging, potential-free
Function
Light barrier, screw conveyor
Limit switch, screw conveyor
Safety limit switch, silo door
Thermal contact, screw conveyor
Fault, external charging
Function
Screw conveyor motor
Motor, flexible agitator discharge