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Installation
2017/11
• Connection diagram
1 Mains connection
A
brown
B
blue
C
green/yellow
2 Wastewater pump
D
green/yellow
E
blue
F
brown
3 Float switch
G
yellow
H
white
J
pink
K
brown
L
grey
M
green
N
not occupied
4 Alarm
O
Connection for external
audible alarm/
potential-free contact
P
3.7 Connection of a potential-free contact
A potential-free contact can be connected to the control unit, available from Busch-Jäger (art. no. 1515 U-12)
• For this purpose the alarm key <6> and the pump key <8> must be pressed simultaneously for 5 seconds
after the control unit has been connected to the mains power supply
• The control unit bleeps briey twice as conrmation that the potential-free contact can be connected.
• Connect the potential-free contact to O P in accordance with the circuit diagram Fig. [14].
3.8 Connection of the audible alarm
• To connect the audible alarm again, keep the alarm key <6> and the pump key <8> simultaneously
for 5 seconds
• The control unit bleeps briey 3 times as conrmation that the audible alarm can be connected.
I2I1
-
I3
+
--
-
1
2
3
4
ABCDEF
GHJ
KLMN O
P
Ill. [14]