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Analog output (AO)
Current sourcing capability only.
Voltage signal:
•
Range: 0-10 VDC.
•
Minimum load between AO and GND: 1 kΩ.
•
Short-circuit protection: Yes.
Current signal:
•
Ranges: 0-20 and 4-20 mADC.
Maximum load between AO and GND: 500 Ω.
•
•
Open-circuit protection: Yes.
Tolerance: - 0/+ 4 % of full scale (max-point coverage).
Screened cable: 20-16 AWG (0.5 - 1.5 mm
Maximum cable length: 1640 ft (500 m)
Pt100/1000 inputs (PT)
Temperature range:
Minimum -22 °F (-30 °C) (88 Ω/882 Ω).
•
Maximum 356 °F (+180 °C) (168 Ω/1685 Ω).
•
Measurement tolerance: ± 2.7 °F (1.5 °C).
Measurement resolution: < 0.54 °F (0.3 °C).
Automatic range detection (Pt100 or Pt1000): Yes.
Sensor fault alarm: Yes.
Screened cable: 20-16 AWG (0.5 - 1.5 mm
Use Pt100 for short wires.
Use Pt1000 for long wires.
LiqTec sensor inputs*
Use Grundfos LiqTec sensor only.
Screened cable: 20-16 AWG (0.5 - 1.5 mm
Power supplies (+5 V, +24 V)
+5 V:
•
Output voltage: 5 VDC - 5 %/+ 5 %.
•
Maximum current: 50 mADC (sourcing only).
•
Overload protection: Yes.
+24 V:
•
Output voltage: 24 VDC - 5 %/+ 5 %.
•
Maximum current: 60 mADC (sourcing only).
•
Overload protection: Yes.
Digital outputs (relays)
Potential-free changeover contacts.
Minimum contact load when in use: 5 VDC, 10 mA.
Screened cable: 20-12 AWG (0.5 - 2.5 mm
Maximum cable length: 1640 ft (500 m).
Bus input
Grundfos GENIbus protocol, RS-485.
Screened 3-core cable: 20-16 AWG (0.5 - 1.5 mm
Maximum cable length: 1640 ft (500 m).
34
23. Other technical data
EMC (electromagnetic compatibility)
EN 61800-3.
Residential areas, unlimited distribution, corresponding to
CISPR 11, class B, group 1.
Industrial areas, unlimited distribution, corresponding to
CISPR 11, class A, group 1.
Contact Grundfos for further information.
Enclosure class
Standard: IP55 (IEC 34-5).
Optional: IP66 (IEC 34-5).
2
).
Insulation class
F (IEC 85).
23.1 Torques
Terminal
L1, L2, L3, L, N
NC, C1, C2, NO
1 to 26 and A, Y, B
2
).
23.2 Sound pressure level
2
).
0.25 to 1.00
(0.12 to 0.75)
2
).
The grey fields indicate that the motor is not yet available in this
MLE motor range, but is available in the previous MLE motor
range.
2
).
24. Disposal
This product or parts of it must be disposed of in an
environmentally sound way:
1. Use the public or private waste collection service.
2. If this is not possible, contact the nearest Grundfos company
The waste battery should be disposed of through the national
collective schemes. If in doubt, contact your local Grundfos
company.
Thread size
M4
M2.5
M2
Max. speed
Motor
stated on
Speed
[hp (kW)]
nameplate
[rpm]
[rpm]
1500
2000
2000
3000
4000
4000
1500
2000
2000
1.50
(1.10)
3000
4000
4000
3000
2.00
4000
(1.50)
4000
3000
3.00
4000
(2.20)
4000
or service workshop.
Max. torque
[lbf-ft (Nm)]
1.3 (1.8)
0.4 (0.5)
0.4 (0.5)
Sound pressure level
ISO 3743
[dB(A)]
1-phase
3-phase
motors
motors
38
38
42
42
53
53
58
58
38
42
53
53
58
58
57
57
64
64
57
64
Subject to alterations.
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