Grundfos LC 241 Montage- Und Betriebsanleitung Seite 531

A.7. Cabinet with built-in direct-on-line for three-phase motors without neutral, for Norway
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
CT-sensor
Power Supply
Cable duct for Auxiliary wiring
Auto Fuse
Max.
250 VAC
phase-phase
PTC2
PTC1
N
L3
L2
L1
AUX
Pump#2
Pump#1
Mains
531