Schmalenberger GmbH + Co. KG
D-72072 Tübingen / Germany
Control box Control NT
Version: 27248 - C
9
Subject to technical changes
4 Connections and settings
4.1 Mains / Pump Connection Terminal
4.2 Connection Terminals for Control and Feedback Contacts
L1, L2, L3, N, PE 3~ Mains power input
U, V, W, N, PE 3~ Pump output
L1, N, PE 1~ Mains power input
U, N, PE 1~ Pump output
Pump
output
Mains
power input
Terminal compartment
disconnection
654321
Pump ON Malfunction Enable BUS
A B 24V GND 24V
Start
Stop
Imax = 30mA
Floating
switching contact