Function
QS1
Supply line isolating switch (On the front panel of the e.box not shown in the figure)
L1 – L2 – L3
Three-phase power supply line connection
L – N
Single-phase power supply line connection
Earthing connection
U - V - W
Three-phase electrical connection of the pumps P1 and P2
L - N
Single-phase electrical connection of the pumps P1 and P2
C - A - P
Electrical connection for single-phase pumps P1 and P2 with external capacitor
Electrical connection for external starting capacitor for single-phase pumps with external capacitor. For
C1 – C2
P1 and P2. Basic version only.
Electrical connection for external starting capacitor for single-phase pumps with external capacitor. For
A - P
P1 and P2. Plus version only.
KK1- KK2
Thermal protection input for the motor of pumps P1 and P2
A-B-C
Terminals connecting digital inputs for level or pressure control
ENGLISH
Figure 2: E.Box Plus Board
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