Grundfos ALPHA1 L - General Information; Hazard Statements; Notes

English (GB)
5
3.4 Electrical connection
• The motor requires no external motor protection.
• Check that the supply voltage and frequency correspond to
the values stated on the nameplate. See section
5.4.1 Nameplate.
• Connect the pump to the power supply with the plug supplied
with the pump. See steps 1 to 7.
3.4.1 Assembling the installer plug
DANGER
Electric shock
Death or serious personal injury
- All electrical connections must be carried out by a
qualified electrician in accordance with local
regulations.
DANGER
Electric shock
Death or serious personal injury
- Switch off the power supply before starting any
work on the product. Make sure that the power
supply cannot be accidentally switched on.
DANGER
Electric shock
Death or serious personal injury
- Connect the pump to protective earth.
DANGER
Electric shock
Death or serious personal injury
- In case of an insulation fault, the fault current may
be a pulsating DC. Observe national legislation
about requirements for and selection of Residual
Current Device (RCD) when installing the pump.
The pump is not a safety component and cannot be
used to ensure functional safety in the final
appliance.
Step Action Illustration
1
Loosen the cable
gland and
unscrew the union
nut in the centre
of the terminal
cover.
TM06 8542 0918
2
Detach the
terminal cover.
TM06 8543 0918
3
Pull the power
cable through the
cable gland and
terminal cover.
TM06 8544 0918
4
Strip the cable
conductors as
illustrated.
TM06 8545 0918
5
Loosen the
screws on the
power supply plug
and connect the
cable conductors.
TM06 8546 0918 - TM06 8547 0918
6
Tighten the
screws on the
power supply
plug.
TM06 8548 0918
0/Off
1/On
42 mm
32 mm
Ø 5.5 - 10 mm
0.5 - 1.5 mm
2
8 mm
L
PE
N
x 3
x 3