For Pump Models With Terminal Box - Grundfos ALPHA1 Instrucciones De Instalación Y Operación

4.4.2 For pump models with terminal box

1. Loosen the terminal box screw from the
terminal box cover.
2. Utilize either conduit port for the wiring
entrance.
3. Wire the plug connector as illustrated in the
section Wiring procedure
3d. Then complete steps 4-7.
Be sure to connect the ground cable
conductor (green) of the pump to the
ground cable conductor of the power
supply.
Wiring procedure
Step Action
Strip the ends of the cable conductors as
3a
illustrated.
Align the end of each of the pump's cable
conductors, including any frayed strands,
with the end of the corresponding cable
conductor from the power supply.
3b
Green conductor: ground
Black conductor: line
White conductor: neutral
Insert the ends of the cable conductors
into the connector.
3c
Push the cable conductors fully into the
connector.
Twist the connector until you see two
3d
twists in the cable conductors.
4. Slide the terminal box cover over the
terminal box body.
5. Tighten the cross-head screw on the terminal
box to 5 in-lbs.
6. Switch on the power supply.
7. The lights on the control panel will then
indicate that the power supply has been
switched on.
8
below, steps 3a-
Illustration
Cable conductor
from the power
supply
0.4 in.
(10 mm)
Cable conductor
from the pump