Grundfos JP PS Notice D'installation Et De Fonctionnement page 11

4.3.2.3 Connecting to residential hard wiring, 115 or 230 V
For residential hard wiring, use the following:
Pump model
JP PS, all models, 115 V or 230 V
Follow these steps to connect the the product to the power supply:
1. Loosen the nut on the top cover of the pressure switch.
2. Lift up the pressure switch cover and set it aside.
3. Inside the pressure switch, gently push aside the factory wires.
Do not disconnect them.
4. Locate the open knockout in the metal plate inside the pressure
switch.
5. In the knockout, install a clamp-type fitting designed for
residential hard wiring.
6. Loosen the screw on the clamp.
7. Strip wire ends of the residential hard wiring.
8. Push the wire ends through the opening in the clamp.
9. Follow the wiring diagram to connect to the terminal screws in
the pressure switch.
10. Tighten the terminal screws. Avoid overtightening.
11. Tighten the clamp screw to hold the wires or conduit in place.
12. Refit the top cover. Replace the nut and hand tighten it.
13. Strip the other end of the residential hard wiring.
14. Connect the residential hard wiring to an external main switch.
15. Do not power up the pump until the voltage selection and
priming are completed.
Recommended cable type
SJOW 12AWGx3 UL
L1
G
Connecting to residential hard wiring, 115 or 230 V
Related information
4.3.2.6 Wiring diagram, pressure switch to 115 V residential hard
wiring
4.3.2.7 Wiring diagram, pressure switch to 230 V residential hard
wiring
N (115 V)
L2 (230 V)
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