Product Manual

SQ, SQE technical data
SQ, SQE, CU 331, and SP
8
24
8. SQ, SQE technical data
Electrical data
Control units CU 300 and CU 301
Operating conditions
Storage conditions
Supply voltage:
1 x 200-240 V + 6 %/- 10 %, 50/60 Hz, PE
1 x 100-115 V + 6 %/- 10 %, 50/60 Hz, PE
Operation via generator: As a minimum, the generator output must be equal to the motor P1 [kw] + 10 %
Starting current: The motor starting current is equal to the highest value stated on the motor nameplate
Starting: Soft Start
Run-up time: Maximum: 2 seconds
Motor protection:
Motor is protected against:
– Dry running
– overvoltage
– undervoltage
– overload
– overtemperature.
Power factor: PF = 1
Motor cable: 3 wire, 14AWG XLPE, 5 ft
Motor liquid: Type SML 2
pH Values:
SQ and SQE: 5 to 9
SQE-NE: 2 to 13
Liquid temperature: The temperature of the pumped liquid must not exceed 86 °F (30 °C)
Note: If liquids with a viscosity higher than that of water are to be pumped, please contact Grundfos.
Voltage: 1 x 100-240 V - 10 %/+ 6 %, 50/60 Hz, PE
Power consumption: 5 W
Current consumption: Maximum 130 mA
Enclosure class: IP55
Ambient temperature:
During operation: -22 °F to +122 °F (-30 °C to +50 °C)
During storage: -22 °F to 140 °F (-30 °C to +60 °C)
Relative air humidity: 95 %.
Pump cable: Maximum length between CU 300 or CU 301 and pump: 650 ft (198 m)
Back-up fuse: Maximum: 16 A
Radio noise:
CU 300 and CU 301 comply with EMC Directive 89/336/EEC.
Approved according to the standards EN 55014 and EN 55014-2
Marking: CE, cUL (CU 301)
Load: Max. 100 mA
Minimum ambient fluid temperature: +34 °F (+1 °C)
Maximum ambient fluid temperature: +86 °F (+30 °C)
Well diameter: 3-inch or larger
Installation depth (maximum): 500 feet below static water level
Minimum ambient temperature: -4 °F (-20 °C)
Maximum ambient temperature: +140 °F (+60 °F)
Frost protection:
If the pump has to be stored after use, it must be stored at a frost-free location, or it must be ensured
that the motor liquid is frost-proof.