Appendix; System Impedances - Wilo Control EC-Booster Installation And Operating Instructions Manual

13

Appendix

13.1

System impedances

Installation and operating instructions • Wilo-Control EC/ECe-Booster • Ed.02/2023-08
NOTICE
Disposal in domestic waste is prohibited!
In the European Union this symbol may be included on the product, the
packaging or the accompanying documentation. It means that the elec-
trical and electronic products in question must not be disposed of along
with domestic waste.
To ensure proper handling, recycling and disposal of the used products in question, please
note the following points:
• Hand over these products at designated, certified collection points only.
• Observe the locally applicable regulations!
Please consult your local municipality, the nearest waste disposal site, or the dealer who
sold the product to you for information on proper disposal. See www.wilo‑recycling.com
for more information about recycling.
NOTICE
Maximum switching frequency per hour
The connected motor determines the maximum switching frequency per
hour.
• Note the technical data of the connected motor.
• Do not exceed the maximum switching frequency of the motor.
NOTICE
• Depending on the system impedance and the maximum connections/
hour of the connected consumers, voltage fluctuations and/or drops
may occur.
• When using shielded cables, attach the shielding to the earth rail on
one side of the control device.
• Always have connection carried out by a qualified electrician.
• Observe the installation and operating instructions for the connected
pumps and signal transmitters.
3~400 V, 2-pole, direct starting
Power in kW
0.37
0.55
0.75
0.75
0.75
1.1
1.1
1.1
1.1
1.5
1.5
1.5
1.5
2.2
System impedance in ohms Connections/h
2.629
1.573
0.950
0.944
0.850
0.628
0.582
0.508
0.458
0.515
0.431
0.377
0.339
0.321
en
6 ... 30
6 ... 30
6 ... 18
24
30
6 ... 12
18
24
30
6 ... 12
18
24
30
6
49