Grundfos DME 12, Инструкция по установке и эксплуатации

Страница: 6 / 298

6
2. Technical data
2.1 Mechanical data
*
1
Irrespective of counter pressure
*
2
Maximum suction lift 1 metre
2.2 Electrical data
2.3 Input/output data
The pump offers various input and output possibili-
ties, depending on control variant.
DME 2 DME 8 DME 12 DME 19 DME 48
Maximum capacity without anti-cavitation *
1
[l/h] 2.5 7.5 12 18.5 48
Maximum capacity with anti-cavitation *
1
[l/h] 1.8 5.6 9 14.5 37
Maximum pressure [bar] 18 10 6 6.2 2.6
Maximum stroke rate per minute [stroke/min.] 180 180 180 151 151
Maximum suction lift during operation [m] 6
Maximum suction lift when priming with wet valves [m] 1.8 3 3 3 3
Maximum viscosity with spring-loaded valves *
2
[mPas] 500 500 500 500 100
Maximum viscosity without spring-loaded valves *
2
[mPas]
200 200 200 200 100
Diaphragm diameter [mm] 28 38 42.5 55 77
Liquid temperature [°C] 0 to 50
Ambient temperature [°C] 0 to 45
Accuracy of repeatability ±1%
Sound pressure level [dB(A)] <70
DME 2, 8, 12 DME 19, 48
Supply voltage [VAC] 1 x 100-240
Maximum current consumption [A]
at 100 V 0.30 0.36
at 230 V 0.16 0.26
Maximum power consumption P
1
[W] 18 22
Frequency [Hz] 50-60
Enclosure class IP 65
Insulation class B
Supply cable 1.5 m H05RN-F with plug
Signal input
Voltage in level sensor input [VDC] 5
Voltage in pulse input [VDC] 5
Minimum pulse-repetition period [ms] 3.3
Impedance in analog 4-20 mA input [
Ω
] 250
Maximum loop resistance in pulse signal circuit [
Ω
] 350
Maximum loop resistance in level signal circuit [
Ω
] 350
Signal output
Maximum load of alarm relay output, at ohmic load [A] 2
Maximum voltage, alarm relay output [V] 250