Technical Data; Data And Operating Conditions - Grundfos ALPHA1 15-50 Bedienungsanleitung

9. Technical data

9.1 Data and operating conditions

Supply voltage
Motor protection
Enclosure class
Insulation class
Relative humidity
System pressure
Inlet pressure
EMC (electromagnetic
compatibility)
Sound pressure level
Ambient temperature
Temperature class
Surface temperature
Liquid temperature
Specific EEI values
To avoid condensation in the control box and stator, the liquid
temperature must always be higher than the ambient
temperature.
Ambient
temperature
Min.
[°C]
0
10
20
30
35
40
If the temperature of the pumped liquid is lower than
the ambient temperature, make sure that the pump is
installed with the pump head and plug in position 6
o'clock.
18
1 x 230 V ± 10 %, 50 or 60 Hz, PE
The pump requires no external motor protection.
IPX4D
F
Maximum 95 % RH
Maximum 1.0 MPa, 10 bar, 102 m head
Liquid temperature
≤ 75 °C
90 °C
110 °C
EMC Directive (2014/30/EU).
Standards used:
EN 55014-1:2006/A1:2009/A2:2011
EN 55014-2:2015
EN 61000-3-2:2014
EN 61000-3-3:2013
The sound pressure level of the pump is lower than 43 dB(A).
0-40 °C
TF110 to EN 60335-2-51
The maximum surface temperature will not exceed 125 °C.
2-110 °C
EEI ≤ 0.20
Liquid temperature
Max.
[°C] [°C]
2 110
10 110
20 110
30 110
35 90
40 70
Minimum inlet pressure
0.005 MPa, 0.05 bar, 0.5 m head
0.028 MPa, 0.28 bar, 2.8 m head
0.108 MPa, 1.08 bar, 10.8 m head