Technical Data - Grundfos LC 231 Montage- Und Betriebsanleitung

Remedy
• Check for water leakage.

9. Technical data

Voltage
• 1 x 110-240 V - 10 %/+ 10 %, PE
• 3 x 200-460 V - 10 %/+ 10 %, PE.
Frequency
50/60 Hz.
Maximum number of pump starts and stops per hour
250.
Maximum starting current
IEC: 78 A.
UL: 68 A.
Minimum power factor
IEC: 0.89.
Operating temperature and current
Model
IEC: 99369644 LC 231 1x 1-12
DOL PI
UL: 99369651 LC 231 1x 1-9.6
DOL PI
Storage temperature
Min. storage temperature
Max. storage temperature
Ambient temperature
Minimum -25 °C (-4 °F)
Maximum 45 °C (113 °F)
Enclosure class
IP54 / NEMA 3R.
Cable diameters
Mains cable
Pump cable
Sensor cable
Mains input terminal
IEC stranded or solid 2.5 to 16 mm
UL stranded or solid AWG 20 to 6.
Screw torque: 1.2 Nm.
Stripping length: 12 mm (0.47").
Pump output terminal
Current: See nameplate.
2
IEC stranded 0.75 to 2.5 mm .
2
IEC solid 1.5 to 4.0 mm .
UL stranded or solid AWG 18 to 12.
Screw torque: 1.2 Nm.
Alarm relay terminals
250 VAC nominal and 24 VDC nominal.
Nominal current 10 mA to 2 A AC/DC.
Action type 1.C.
24
Maximum current and
temperature combination
12 A and 45 °C (113 °F)
9.6 A and 45 °C (113 °F)
-30 °C (-22 °F)
60 °C (140 °F)
10-16 mm (0.4" - 0.6")
10-16 mm (0.4" - 0.6")
16-21 mm (0.6" - 0.83"), with
optional metal cable gland
5-8 mm (0.19" - 0.3")
2
.
D300 pilot duty (auxiliary relay).
UL: solid AWG 28-12, stranded AWG 30-12.
IEC: solid or stranded 0.25 - 2.5 mm
Stripping length: 7-8 mm (0.28"-0.31").
Screw torque: 0.5 Nm.
Digital input
IEC: solid or stranded 0.5 - 2.5 mm
UL: solid or stranded AWG 28-12.
Stripping length: 5-6 mm (0.19"-0.24").
Digital input mode
DIO terminals
Digital input mode
Digital output mode
PTC
IEC: solid or stranded 0.25 - 2.5 mm
UL: solid AWG 28-12, stranded AWG 30-12.
Stripping length 7-8 mm (0.28" - 0.31").
Screw torque: 0.5 Nm.
Trip resistance: greater than 2.2 kΩ +/-5 %.
Automatic reset resistance: less than 1 kΩ +/-5 %.
Pt100 or Pt1000 inputs (Pt)
Use Pt100 for short wires.
Use Pt1000 for long wires.
Solid or stranded wire: AWG 28-12 or maximum 2.5 mm
IEC: solid or stranded 0.5 - 2.5 mm
UL: solid or stranded AWG 28-12.
Stripping length: 5-6 mm (0.19"-0.24").
Power supplies, +24 V
Output voltage: 24 VDC - 10 %/+ 10 %.
Maximum 200 mA on each terminal.
Altitude
Maximum 2000 m (6562 ft).
Pollution degree
Category 3.
Motor protection
Software class B.
Action type 2.B.
Supply fuse
Maximum 16 A.
Measurement tolerances
24 V external ± 10 %.
Current measurement: ± 5 %.
Power measurement: ± 10 %.
Battery
Size BR2032.
Related information
2.3.2 Protection of controller and supply cables
7.2 Replacing the battery
2
.
2 2
, flexible 0.25 - 1.5 mm .
Low logic level below 1.8 V.
High logic level higher than 2.7
V.
Low logic level below 1.8 V.
High logic level higher than 2.7
V.
Open collector.
Current sink capability:
maximum 75 mA, no sourcing.
Overcurrent protected.
2
.
2
.
2 2
, flexible 0.25 - 1.5 mm .