System Impedance Overview - Wilo Control SC-Booster Notice De Montage Et De Mise En Service

Symbol Function/description
Peak-load pump: Delay time for cut-in
Peak-load pump: Deactivation threshold
Peak-load pump 1: Deactivation threshold
Peak-load pump 2: Deactivation threshold
Peak-load pump 3: Deactivation threshold
Peak-load pump: Delay time for deactivation
Setpoint in the event of zero flow
Power consumption of the pump(s);
Energy consumption of the pump(s)

13.2 System impedance overview

In accordance with DIN EN / IEC 61000-3-11 (see
table below), the switchgear and pump with motor
power of ... kW (column 1) are provided for opera -
tion on a mains power supply with a system
impedance of Z
max
max. ... ohm (column 2) for a maximum number
of ... connections (column 3).
If the mains impedance and the number of con -
nections per hour are greater than the values
given in the table, the switchgear with the pump
Power [kW]
(Column 1)
3~400 V 2.2
2-pole 2.2
Direct starting 2.2
Installation and operating instructions Wilo-Control SC-Booster (SC, SC-FC, SCe)
at the house connection of
System impedance [Ω]
(Column 2)
0.257
0.212
0.186
may lead to temporary voltage drops and also to
disturbing voltage fluctuations (flickering) due to
the unfavourable mains conditions.
Therefore, measures may need to be taken before
the switchgear and the pump can be operated on
this connection as intended. The necessary infor -
mation must be obtained from the local energy
supply company and the manufacturer.
Connections per hour
(Column 3)
12
18
24
English
Availability
all
all
SC, SC-FC
SC, SC-FC
SC, SC-FC
all
SCe NWB
(p-v)
SCe NWB
47