Ecolab EMP IV DN 25 - Product Structure and Signal Logic; Suction Lance Construction Diagram; Signal Input Connector Assignment and Function; Empty Signal Switching Functions Explained

4 Structure
A
B
1
1
2
2
2
2
3
3
4
5
6
Fig. 1: Construction
A Suction lance 250055 + 250056
B Suction lance 250052 + 250054
1 Empty signal input connector
2 Suction connection
3 Return connection
4 Barrel screw joint
5 Return discharge
6 Float
Assignment of the empty signal input connector
1
3
4
Fig. 2: Empty signal input plug
1 "Level prewarning" signal input (white)
3 "Empty" signal input (brown)
4 GND (green)
Switching function of the empty signal:
n "Empty signal undershot" - contact 3/4 open (level = 33 ± 5 mm)
n "Level prewarning undercut" - contact 1/4 open (level = 130 ± 5 mm)
Structure
19 Rev. 1-10.2021