Viessmann Vitoflex 300-UF Series Installation And Operating Instructions Manual page 48

Parameter
Fuel
(continued)
Parameter
"Infeed grate pause"
"Pneumatic cleaning pause"
"Blocking time, cleaning"
"Run-on, ascending ash screw" Run-on time of the ascending ash screw
48
Description
Pause time of the infeed grate
Setting in seconds
Duration of pause between the cleaning cycles of the
pneumatic cleaning system
Settings in minutes
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
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
Vitoflex 300-UF Installation & Operating
"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
"P factor"
"I factor"
"D factor"
"Cycle time" 1000 to 15000
Setting Standard
range value:
0 to 1200
20 to 120
00:00 to 00:00
23:59 h
10 to 60
Standard value:
1 to 100 20
0 to 100 0
1 to 100 30
5000
40
40
20