The CU smart box is two wire and the Square D pressure switch is 4 .
Grundfos website shows both however I cannot find the schematic. GRUNDFOS DATA BOOKLET. SQFlex .
SQFlex Solar with CU and backup generator. 24 Wiring diagram, IO IO SQFlex switch box. The IO Internal (and external) wiring of the CU SQFlex control unit ..
The Grundfos GF solar modules must not be connected in series. TM The wiring diagrams below illustrate options with generator as a power supply back-up source. Grundfos SQFlex CU dc wiring connections.
Picture. Grundfos SQFlex CU ac wiring connections.
Grundfos SQFlex Pump Controller (CU ) The CU is an interface box that maintains two-way communication with a Grundfos SQFlex pump and monitors the operating conditions. It combines status monitoring, control, and communication for an SQFlex pumping system into one user-friendly schematron.org: Get Your Wiring Diagrams. These Wiring Diagrams are intended for general layout purposes only.
If a certified wiring diagram is required for construction purposes, please contact your local Grundfos representative and a certified wiring diagram can be provided. Grundfos CU SQFlex Controller.
For use with utility power or sine wave inverters for AC, or series PV arrays for DC. A user-friendly interface box that maintains two-way communication with the pump and monitors the operating conditions.20 Most Recent Grundfos Pumps CU, SQFlex CU Questions & Answers - FixyaSQFlex renewable energy solution – submersible pumping system | Grundfos