Wiring Diagram; Winding Resistance Measurement - Grundfos MQ Notice D'installation Et De Fonctionnement

8.2 Wiring diagram

8.2.1 115 V
Electric motor
Yellow
White
Fig. 12 Wiring diagram - 115 V

8.3 Winding resistance measurement

Motor
Measuring point
[V/Hz]
A-B (black - red)
115/60
A-C (black - white)
The measurement can be done with or without cables connected to the PCB and the capacitor.
12
C
Yellow/green (ground)
Black (phase)
White (neutral)
B A
Resistance
Winding
[± 10 %]
Main
Aux
> Cable
Orange
Black
> Flow sensor
Red
> Pressure switch
Ambient temperature
[°F]
1.4
70
5.5
[°C]
21