Electrical Installation - Grundfos ALPHA1 Manual De Instrucciones

6. Electrical installation

1
Max. 1.5 mm 2
12 mm
Ø 5.5 - 10 mm
7 mm
17 mm
4
Fig. 7 Electrical connection
Carry out the electrical connection and protection according to
local regulations.
Warning
The pump must be connected to earth
The pump must be connected to an external
mains switch with a minimum contact gap of
3 mm in all poles.
• The pump requires no external motor protection.
• Check that the supply voltage and frequency correspond to
the values stated on the nameplate. See section
3.1 Nameplate.
• Connect the pump to the power supply with the plug supplied
with the pump as shown in fig. 7.
• Light in the control panel shows that the power supply has
been switched on.
16
2
5
1 x 230 V ± 10 %
∽ 50/60 Hz
0
1
.
3
6