Grundfos SQFlex 11 SQF-2 User Manual

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

Grundfos SQFlex 11 SQF-2 Specifications

General

Voltage Range	30-300 VDC / 90-240 VAC
Material	Stainless Steel
Supply Voltage	30-300 VDC / 90-240 VAC
Enclosure Class	IP68
Motor Type	Permanent Magnet Motor
Protection Class	IP68
Weight	15 kg
Pump Type	Submersible
Liquid Temperature Range	0°C to +40°C
Maximum Submersion Depth	150 m
Operating Temperature Range	0°C to +40°C