Viessmann Vitoligno 300-P Service Instructions For Contractors page 30

Commissioning, inspection, maintenance
Further details regarding the individual steps
Display
"Ignition ON"
"Deslagging ON"
"Cleaning motor ON"
"Boiler feeding ON"
"Feed hopper ON"
The following consumer actuators can be controlled subject to system equip-
ment level (not required during commissioning):
Display
"Return t. rais. pump ON"
"Cyl. prim. pump ON"
"Output 20 M1 ON"
"Output 52 M1 Open"
"Output 52 M1 Close"
"Output 20 M2 ON"
"Output 52 M2 Open"
"Output 52 M2 Close"
"Output 28 ON"
30
Explanation
The fan is also started to protect the igni-
tion element.
Control for a limited time (process is car-
ried out once).
In case of an auger supply system:
Charge and discharge motor
In case of pellet hopper: Charge motor
Note
Prior to the charge motor being started,
the combustion grate enters a position
where the charged pellets fall directly into
the ash container. When the boiler has
been charged, the grate is cleaned after
the boiler acutator test has been comple-
ted.
Now empty the ash container to remove
unburned pellets (see page 40).
Only for vacuum supply systems:
Discharge motor and vacuum module
Explanation
Return temperature raising pump in con-
junction with the heating water buffer cyl-
inder
In connection with a solar thermal sys-
tem, the solar circuit pump is connected
to this output.
DHW circulation pump
(cont.)