Primary air at the start of heating-cleaning (absolute)
The primary air is regulated to this value at the start of the
boiler status “heating - cleaning” and then ramped to the
value “primary air in heating - cleaning (absolute)”.
Tip grate 1 after how many hours heating
Indicates after how many hours of heating the grate on the
feed-in side is tilted.
Tip grate 1 after how many times cleaning
Indicates the number of cleanings after which the grate on
the feed-in side is tilted.
During troubleshooting of ash screw, it turns backwards for
Specifies how long the ash screw should turn in the
opposite direction in the event of a fault.
Nominal current of the ash screw
Nominal current of the ash screw drive in accordance with
the motor identification plate.
Setting - WOS / Cleaning
System menu
System
Setting
WOS / Cleaning
Clean after how many hours heating?
If the boiler has passed the set time in “
Heating
” status,
the boiler shuts down for a cleaning cycle.
Tilt the grate how often during cleaning?
Defines the number of times the combustion chamber
grate is tipped during “
Cleaning
” status.
Permitted start processes with blocked ash screw
Defines the number of boiler start processes that can be
carried while the ash screw is blocked. Once the specified
number has been reached, no further start process is
permitted
WOS start time
Time from which the heat exchanger cleaning system can
be activated.
WOS stop time
Time to which the heat exchanger cleaning system can be
activated.
WOS runs every
When the delivery screw runtimes reach the specified
value, the WOS drive is activated.
WOS runtime
Time which the heat exchanger cleaning system is
activated.
Minimum duration shutdown
Minimum duration of “
Awaiting shutdown
” status, in
which the remaining fuel is burned on the combustion
grate.
Ash screw interval
Time until the ash screw is activated.
Ash screw runtime
Time which the ash screw drive is activated.
Cleaning after standby
▪ YES: When the boiler switches off, the combustion
chamber grate is only tipped and cleaned after the next
start command. The remaining bed of embers cools
down and when fully cooled falls into the ash screw.
▪ NO: In “
Cleaning
” operating status, the combustion
grate is tipped and cleaned.
4
Parameters overview
System
108
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