Diaphragm liquid pump NF 100 Installation and connection
KNF Flodos BA_NF100_EN_10_067676.docx
Translation of original Operating and Installation Instructions 17
In order to ensure that emissions comply with the EN 55011 or EN
55022 emission standards, this pump type with a brushless DC
motor DCB must be fitted with a supplemental circuit. The supple-
mental circuit must be installed as close as possible to the motor.
The supplemental circuit must be installed according to the follow-
ing wiring diagram and its defined components in order to achieve
the required level of attenuation.
Optimum circuit Adequate circuit
Fig. 11: Supplemental circuit
Supplemental circuit
for brushless DCB motors
C1: Condenser
1 µF / U
N
> 30 V
C2: Condenser
1000 µF / U
N
> 30 V
L1: Choke coil
6 µH / I
N
> 1.5 A
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