Grundfos LC 242 Montage- Und Betriebsanleitung Seite 30

A.4. Cabinet for three-phase motors, without neutral
Grundfos IO242
Pump -- module
24VEXT
GND
ADI
GND
DI 4
GND
DI 3
GND
DI 2
GND
DI 1
PTC 2B
PTC 2A MPF2
PTC 1B GND
PTC 1A MPF1
CT-sensor
Power Supply
578
Cable duct for Auxiliary wiring
Auto Fuse
PTC
L3
L2
L1
AUX
Pump#1
Mains