Fig. 2: Overview of equipmentCONCEPT plus
1 Stroke length adjustment knob
2 Fault / operating indicator (fault red / opera‐
tion green)
3 Multifunctional switch (stroke rates (in % of
180 or 240 strokes/min), Stop, "External"
operating mode (retrofit kit))
4 Mains cable
5 "External control" terminal (in "External"
operating mode, control via contact signal;
optional)
6 "Level switch" terminal (for 1-stage level
switch; optional)
7 Suction valve
8 Discharge valve
The leakage hole is between the suction valve and the drive housing.
Overview of equipment
6
Mahar Fan Abzar