Configuration
en
Installation and operating instructions Wilo DD-I
155
–
Output frequency reaches the
maximum
frequency.
If both conditions apply for a defined duration, a pump is
switched on
.
–
Setpoint deviation is outside the defined limit.
–
Output frequency reaches the
minimum
frequency.
If both conditions apply for a defined duration, a pump is
switched off
.
For the values of maximum and minimum frequency see System Limits ➜ Min/Max
Frequency.
ƒ
Time delay
Delay/follow-up time
Factory setting: 5 s
Input: 0 to 300 s
6.6.10
High Efficiency(HE) Controller
Settings for pump control:
ƒ
Control Settings
Basic settings for the HE controller.
ƒ
Pipe Settings
Piping details.
ƒ
Tank Geometry
Chamber geometry details.
6.6.10.1 Control Settings
Basic settings for the pump control.
ƒ
Start Level
A pump starts when the set level has been reached.
Factory setting: 0.05 m
Input: 0.05 to 100 m
ƒ
Stop Level
The active pump is switched off when the set level has been reached.
Factory setting: 0.05 m
Input: 0 to 100 m
ƒ
Minimum Flow Velocity
Specifying the minimum flow velocity in the piping.
Factory setting: 0.7 m/s
Input: 0 to 100 m/s
ƒ
Update System Curve
Start time for measuring the system curve.
Factory setting: 00:00 h
Input: 00:00 to 23:59 hrs
ƒ
Critical Diameter Ratio of Pipe
Permissible ratio of theoretical to actual piping cross-section. If the permissible ratio
is not reached, sedimentation of the piping is detected. The piping is flushed at the
rated frequency.
Factory setting: 0.5
Input: 0 to 1
ƒ
Admissible Flow Ratio for Sedimentation
Permissible ratio of the flow rates during initial commissioning and before and during
flushing. If the permissible ratio is exceeded, flushing is stopped.
Factory setting: 0.5
Input: 0 to 1
6.6.10.2 Pipe Settings
Piping details.
ƒ
Pipe Length
Total length of the piping to the next pumping station.
Factory setting: 0 m
Input: 0 to 100,000 m
ƒ
Pipe Diameter
Factory setting: 0 mm
Input: 0 to 10,000 mm
ƒ
Pipe Roughness
Summary of Contents for DD-I
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