Technical Data And Installation Dimensions; Technical Data - Grundfos ALPHA1 Manual De Instrucciones

13. Technical data and installation dimensions

13.1 Technical data

Supply voltage
Motor protection
Enclosure class
Insulation class
Relative air humidity
System pressure
Inlet pressure
EMC
Sound pressure level
Ambient temperature
Temperature class
Surface temperature
Liquid temperature
To avoid condensation in the control box and stator, the liquid
temperature must always be higher than the ambient
temperature.
Ambient temperature
[°C]
0
10
20
30
35
40
1 x 230 V - 10 %/+ 10 %, 50/60 Hz, PE.
The pump requires no external motor protection.
IP42.
F.
Maximum 95 %.
Maximum 1.0 MPa, 10 bar, 102 m head.
Liquid temperature
≤ +75 °C
+90 °C
+110 °C
EN 55014-1:2006 and EN 55014-2:1997.
The sound pressure level of the pump is lower than 43 dB(A).
0 to +40 °C.
TF110 to CEN 335-2-51.
The maximum surface temperature will not exceed +125 °C.
+2 to +110 °C.
Liquid temperature
Min. Max.
[°C] [°C]
2 110
10 110
20 110
30 110
35 90
40 70
Minimum inlet pressure
0.05 bar, 0.005 MPa, 0.5 m head
0.28 bar, 0.028 MPa, 2.8 m head
1.08 bar, 0.108 MPa, 10.8 m head
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