Grundfos MQ 3-45 - 5 Wiring Diagram; Winding Resistence Measurement

28.04.2003
GB
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5. Wiring diagram
5.1 Winding resistence measurement
The measurement can be done with or without cables connected to the PCB and the capacitor.
TM02 2424 4401
Motor
[V/Hz]
Reading point Winding
Resistance
[ Ω ±10%]
Ambiemt 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
Capacitor
Electrical motor
Ground
Phase
Neutral
Yellow-green
White
Black
Yellow-green
White (aux) Red (main) Blue
=> Mains
Orange Black Red
Black
=> Pressure switch
=> Flow sensor