Installation, Operation and Maintenance Manual
23
7.15. P22 Delta P Cleaning mode
Delta P Cleaning
mode
DP_CLEAN_MODE___
P22_0_CONT_CLEAN_
Cleaning is not influenced by the differential pressure
measurement, but instead the valves will pulse
continuously. Differential pressure measurement and
monitorin
are activated.
DP_CLEAN_MODE___
P22_1_STOP_&_GO
Cleaning is carried out based on the differential pressure
measurement. On a cleaning stop command, the valve
number of the last activated valve is stored. On the next
cleaning start command, cleaning begins with the valve
with the next hi
her valve number.
DP_CLEAN_MODE___
P22_2_STOP_&_END
Cleaning is carried out based on the differential pressure
measurement. On a cleaning stop command, cleaning
remains active until a full cycle is completed. On the next
cleaning start command, the cleaning begins with the
first valve. This is used as default settin
.
DP_CLEAN_MODE___
P22_3_OFF_LINE_
Only differential pressure measurement and monitoring
are activated. All cleaning control functions based on
Delta P are deactivated. The only cleaning option is now
Off-Line Cleaning according the number of cycles
defined in parameter P06 or via an external command
on input I1 or I2.
When off line cleaning is activated (option 3), make sure that parameter P06 (number of off-
line cleaning cycles) is not set to zero. Otherwise the unit will never start to pulse clean the
filter elements.
Multi fan ECB units operating with Explosive powder will only clean off-line and P22
parameter has no effect. A number of offline clean cycles must be set – otherwise cleaning
will not be initiated.
7.16. P26 Number of valves
NUMBER_VALVES___
P26___XXX_VALVES
Configuration of the number of valves connected to the controller. When the controller starts, all
valves are addressed and checked. If a valve has failed, it is skipped.
7.17. P40 Time/Date Display
T/D_DISPLAY_____
P40_A__AUTOMATIC
T/D_DISPLAY_____
P40_0S_____FIXED
T/D_DISPLAY_____
P40_0W_____FIXED
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