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The LINGXIAO-LX PUMP RS-485 is a 15-foot digital signal cable designed specifically for use with LINGXIAO variable speed pool pumps. It carries RS-485 communication between the pump and a compatible controller, enabling digital speed control and system integration. The cable terminates in a 4-pin connector and is sold as a cable-only accessory - no pump or controller is included. Pool service technicians and licensed electricians working on variable speed pump installations will use this cable when connecting the pump to a supported controller system.
This cable is intended for residential pool applications where a LINGXIAO variable speed pump is paired with a PL4 or PLS4 Easy Touch-style controller system. It provides the RS-485 communication link required for the controller to send speed commands to the pump. The 15-foot length suits typical pad-to-equipment-bay runs on standard residential pool equipment pads. It is not a universal RS-485 cable and is not rated for use with pumps or controllers outside the specified LINGXIAO lineup.
Compatible exclusively with LINGXIAO variable speed pool pump models Relaax130-VS, Relaax220-VS, and Relaax390-VS. Supports connection to PL4 and PLS4 Easy Touch controller systems. LINGXIAO brand products are not affiliated with or endorsed by Pentair.
Installation should be performed by a licensed electrician or qualified pool service professional in accordance with local electrical codes and NEC guidelines for low-voltage pool equipment wiring. Power down the pump and controller at the breaker before connecting or disconnecting any signal cables. Route the cable away from high-voltage conductors where possible and secure it to avoid mechanical stress on the connector. Confirm the controller is set to the correct communication protocol before commissioning the system.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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