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5797 344 - 01
Vitoflex 300-UF Installation & Operating
Fuel
(continued)
Parameter
Description
Setting
range
Standard
value:
“Infeed grate pause”
Pause time of the infeed grate
Setting in seconds
0 to 1200
40
“Pneumatic cleaning pause”
Duration of pause between the cleaning cycles of the
pneumatic cleaning system
Settings in minutes
20 to 120
40
“Blocking time, cleaning”
Period of time for which the pneumatic cleaning system
remains switched off. Tap and enter the start and end
times individually.
If you do not wish to block the pneumatic cleaning
system, enter 00:00 to 00:00.
Times are in the [hh:mm] format, hh = hours,
mm = minutes
00:00 to
23:59 h
00:00
“Run-on, ascending ash screw” Run-on time of the ascending ash screw
If the light barrier for the ash level no longer detects any
ash, the ash removal screw conveyor stops and the
ascending ash screw runs on for the period of time set
with this parameter.
Setting in seconds
10 to 60
20
“Ash removal” tab
Note:
The ash removal screw conveyor may be damaged
if unburned fuel drops into the ash channel.
Adjust the speed of the infeed grate so that only
fully spent fuel residue drops into the ash channel.
“Controller” tab
Parameter
Setting range
Standard value:
“P factor”
1 to 100
20
“I factor”
0 to 100
0
“D factor”
1 to 100
30
“Cycle time”
1000 to 15000
5000
Parameter
