English (GB)
21
25. Technical data, Hydro Multi-E with
single-phase pumps
25.1 Supply voltage
3 x 380-415 V - 10 %/+ 10 %, 50/60 Hz, N, PE.
Check that the supply voltage and frequency correspond to the
values stated on the nameplate.
Recommended fuse size
Standard as well as quick-blow or slow-blow fuses may be used.
25.2 Leakage current
The leakage currents are measured in accordance with EN
61800-5-1:2007.
26. Technical data, Hydro Multi-E with
three-phase pumps
26.1 Supply voltage
3 × 380-480 V - 10 %/+ 10 %, 50/60 Hz, PE.
Check that the supply voltage and frequency correspond to the
values stated on the nameplate.
Recommended fuse size
Standard as well as quick-blow or slow-blow fuses may be used.
26.2 Leakage current
The leakage currents are measured in accordance with EN
61800-5-1:2007.
27. Inputs and outputs
Ground reference (GND)
All voltages refer to GND.
All currents return to GND.
Absolute maximum voltage and current limits
Exceeding the following electrical limits may result in severely
reduced operating reliability a nd motor life:
Relay 1:
Maximum contact load: 250 VAC, 2 A or 30 VDC, 2 A.
Relay 2:
Maximum contact load: 30 VDC, 2 A.
GENI terminals: -5.5 to 9.0 VDC or less than 25 mADC.
Other input/output terminals: -0.5 to 26 VDC or less than 15
mADC.
Digital inputs (DI)
Internal pull-up current greater than 10 mA at Vi equal to 0 VDC.
Internal pull-up to 5 VDC (currentless for Vi greater than 5 VDC).
Certain low logic level: Vi less than 1.5 VDC.
Certain high logic level: Vi greater than 3.0 VDC.
Hysteresis: No.
Screened cable: 0.5 - 1.5 mm
2
/ 28-16 AWG.
Maximum cable length: 500 m.
Open-collector digital outputs (OC)
Current sinking capability: 75 mADC, no current sourcing.
Load types: Resistive and/or inductive.
Low-state output voltage at 75 mADC: Max. 1.2 VDC.
Low-state output voltage at 10 mADC: Max. 0.6 VDC.
Overcurrent protection: Yes.
Screened cable: 0.5 - 1.5 mm
2
/ 28-16 AWG.
Maximum cable length: 500 m.
Analog inputs (AI)
Voltage signal ranges:
• 0.5 - 3.5 VDC, AL AU.
• 0-5 VDC, AU.
• 0-10 VDC, AU.
Voltage signal: Ri is greater than 100 k
Ω
at +25 °C.
Leak currents may occur at high operating temperatures. Keep
the source impedance low.
Current signal ranges:
• 0-20 mADC, AU.
• 4-20 mADC, AL AU.
Current signal: Ri is equal to 292
Ω
.
Current overload protection: Yes. Change to voltage signal.
Measurement tolerance: - 0/+ 3 % of full scale (max.-point
coverage).
Screened cable: 0.5 - 1.5 mm
2
/ 28-16 AWG.
Maximum cable length: 500 m (exclusive of potentiometer).
Potentiometer connected to +5 V, GND, any AI:
Use maximum 10 k
Ω
.
Maximum cable length: 100 m.
Motor size
[kW]
Min.
[A]
Max.
[A]
0.37 - 0.75
6
10
1.1 - 1.5
10
16
Motor size
[kW]
Number of pumps in
booster system
Leakage current
[mA]
0.37 - 1.5
2
Less than 7
3
Less than 10.5
4
Less than 14
Motor size
[kW]
Min.
[A]
Max.
[A]
0.37 - 1.1
6
6
1.5
6
10
2.2
6
16
3
10
16
4
13
16
5.5
16
32
7.5
20
32
11
32
32
Motor size
[kW]
Number of
pumps in
booster system
Leakage current
[mA]
0.3 - 11
(supply voltage less than
400 V)
2
Less than 7
3
Less than 10.5
4
Less than 14
0.37 - 11
(supply voltage greater
than 400 V)
2
Less than 10
3
Less than 15
4
Less than 20
