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9. The drive waits until the parameter
cleaning sequence starts or normal operation starts.
10. The pump starts following speed/frequency reference of the active control
location. During acceleration to speed/frequency, the drive follows pump
cleaning acceleration time
The operation of cleaning sequence is based on the selected triggering
conditions. See diagram on page 47.
You can start the pump cleaning sequence as follows:
• On every start and stop.
• With DI4, DI5 or DI6.
• Based on the pump condition. For example, Supervision 1...3. See parameter
group
32
Supervision.
• Based on time interval defined by parameter
example, at every 10 hours.
Note: Pump cleaning is executed only once for every start after time is
elapsed.
• Based on real time clock (for example, at 01h:00min:00s) defined by
parameter
34.100 Timed function 1
defined by parameters
• By selecting
Start cleaning now
Notes:
•
The start command is released automatically by firmware and is
independent of drive start command.
•
Pump cleaning can be interrupted by removing the configured trigger.
•
After pump cleaning cycles, normal pump operation is not automatically
resumed even when start command is active. You need to remove the
trigger manually and an acknowledgment of pump cleaning must be
given each time.
•
If parameter
after the pump cleaning cycle is completed, the drive resumes normal
operation.
•
If pump cleaning is triggered using parameter
and parameter
then priority is given to parameter
•
In local mode, no warnings are generated when trigger from parameter
83.12 Start pump cleaning
external mode and the trigger is active, then the pump cleaning is
automatically started.
83.25 Time to cleaning
34.10 Timed functions enable
in parameter
83.12 Start pump cleaning
83.11 Pump cleaning triggers
is active. However, when the drive is switched to
83.28 Cleaning off time
speed.
83.15 Fixed time
and based on timer configurations
to
83.12 Start pump
is set to
Start cleaning
83.12 Start pump cleaning
is activated at the same time,
83.12 Start pump
Program features 49
is elapsed. A new
interval. For
34.90 Exception day
cleaning.
now, then
cleaning.
16.
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