Grundfos SQFlex 11 SQF-2 - Wiring Diagram; Winding Resistance Measurement

10
6.2 Wiring diagram
Fig. 9
6.3 Winding resistance measurement
The measurement can be done with or without cables connected to the PCB and the capacitor.
TM02 2424 4303
Capacitor
Electric motor
White (aux.)
Red (main)
Blue
Blue
Yellow/green
Yellow/green
Ground
P
h
ase
Neutral
Brown
Blue
O
range
Black
Red
=> Mains
=> Flow sensor
=> Pressure switch
Red
Motor
[V/Hz]
Measuring point Winding
Resistance
[Ω ±10%]
Ambient temperature
[°C] [°F]
230/50 A-B Main 6.4
21 70
230/60 A-C Aux 16.7
120/60
A-B Main 1.5
A-C Aux 6.1