Grundfos alpha2 l User Manual

English (GB)
17
13. Technical data and installation dimensions
13.1 Technical data
To avoid condensation in the control box and stator, the liquid
temperature must always be higher than the ambient
temperature.
Supply voltage 1 x 230 V - 10 %/+ 10 %, 50/60 Hz, PE.
Motor protection The pump requires no external motor protection.
Enclosure class IP42.
Insulation class F.
Relative air humidity Maximum 95 %.
System pressure Maximum 1.0 MPa, 10 bar, 102 m head.
Inlet pressure
Liquid temperature Minimum inlet pressure
≤ +75 °C 0.05 bar, 0.005 MPa, 0.5 m head
+90 °C 0.28 bar, 0.028 MPa, 2.8 m head
+110 °C 1.08 bar, 0.108 MPa, 10.8 m head
EMC EN 55014-1:2006 and EN 55014-2:1997.
Sound pressure level The sound pressure level of the pump is lower than 43 dB(A).
Ambient temperature 0 to +40 °C.
Temperature class TF110 to CEN 335-2-51.
Surface temperature The maximum surface temperature will not exceed +125 °C.
Liquid temperature +2 to +110 °C.
Ambient
temperature
[°C]
Liquid temperature
Min.
[°C]
Max.
[°C]
02110
10 10 110
20 20 110
30 30 110
35 35 90
40 40 70

Grundfos alpha2 l Specifications

General

Pump Type	Circulator Pump
Series	ALPHA2 L
Max Head	6 m
Voltage	230 V
Frequency	50/60 Hz
Temperature Range	2°C to 110°C
Material	Cast iron
Max Operating Pressure	10 bar
Installation Length	180 mm
Enclosure Class	IP42
Insulation Class	F
Weight	2.1 kg
Protection Class	Class I