Configuration
en
Installation and operating instructions Wilo DD-I
149
6.6.4.1
Clog Detection - Teach Power
Curve
A reference curve must be calibrated to activate clogging detection.
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Minimum Motor Frequency
Minimum frequency from which clogging detection activates.
Factory setting: 30 Hz
Input: 1 Hz to max. rated frequency according to the rating plate
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Maximum Motor Frequency
Maximum frequency up to which clogging detection activates.
Factory setting: Rated frequency according to the rating plate
Input: 1 Hz to max. rated frequency according to the rating plate
Once all values have been set, click the "Start Teach (Pump starts!)" button to start the
teach-in phase. On-screen feedback confirms completion of the teach-in phase.
NOTICE! No clogging detection during teach-in phase!
6.6.4.2
Clog Detection - Detection Set-
tings
Defining the framework conditions for clogging detection.
NOTICE! Save a reference
characteristic to be able to activate clogging detection!
(➜ "Teach Power Curve")
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Enable
Switch function on and off.
Factory setting: Off
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Power Volatility Limit
Permissible variation from the averaged power consumption in %.
Factory setting: 2 %
Input: 0 to 100 %
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Volatility Trigger Delay
A cleaning process is started if the permissible variation from the averaged power
consumption over the set duration is greater than the permissible variation.
Factory setting: 10 s
Input: 0 to 60 s
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Power Limit
Permissible variation from the reference curve in %.
Factory setting: 10 %
Input: 0 to 100 %
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Power Limit Trigger Delay
A cleaning process is started once the permissible output deviation in relation to the
reference characteristic is greater than the permissible deviation over the set dura-
tion.
Factory setting: 10 s
Input: 0 to 60 s
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Power Limit - High
Permissible variation from the reference characteristic in %, if digital input "High
Clog Limit" is active.
Factory setting: 15 %
Input: 0 to 100 %
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Power Rise Limit
Comparison of the average power consumption during normal operation and during
clogging detection. The average power consumption is recorded during normal op-
eration and during clogging detection. The length of the recording is set ex works.
Both values are compared with each other. A cleaning process is started if the value
during clogging detection is higher than the value in normal operation by the set
factor.
Factory setting: 3 %
Input: 0 to 100 %
ƒ
Frequency Change Latency
Length of time after a change in frequency until new measuring data is saved for
calculations.
Factory setting: 5 s
Input: 0 to 60 s
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