Viessmann Vitoligno 300-H Installation And Service Instructions For Contractors page 55

Commissioning the heating system
Outputs
Plug number
214
215
216
Inputs
Plug number
241
243
245
248
250
Charging scheme 8
Rotary lock valve and pellet hopper with vacuum
module and external charging
Boiler charging via a rotary lock valve and a pellet hop-
per.
The pellet hopper is filled via a vacuum module and
external charging.
ext
Fig. 44
Outputs
Plug number
214
216
222
Inputs
Plug number
241
243
245
246
248
251
Commissioning, inspection, maintenance
(cont.)
Function
Motor, vacuum module
Changeover unit motor
Motor, rotary lock valve
Function
Safety limit switch, silo door
Thermal contact, rotary lock valve
Thermal contact, vacuum module
Proximity switch, pellet hopper
Inputs, changeover unit
Function
Motor, vacuum module
Motor, rotary lock valve
External charging, potential-free
Function
Safety limit switch, silo door
Thermal contact, rotary lock valve
Thermal contact, vacuum module
Fault, external charging
Proximity switch, pellet hopper
Proximity switch, suction shoe, transition
55