LUX Power Bridge LPB c-wire adapter fits 24VAC HVAC systems with fan and cooling but no common. The module combines fan and cooling signals onto one wire at the equipment.
Use it only where G and Y wires exist. That released wire becomes the system common for the thermostat. It does not work with 120V/240V line-voltage systems.
Power Bridge Features
C-Wire Solution
Repurposes an existing conductor as the C-wire without pulling new cable.
4-Wire System Fit
Designed for 24VAC setups that have G and Y but lack C.
Clear Voltage Limit
Stays off line-voltage heat; 24VAC low-voltage control only.
Power Bridge Specifications
Function: Combines fan and cooling signals onto a single wire to free one wire for system common
Compatibility: HVAC systems with fan and cool; not compatible with 120V/240V line voltage systems
System voltage: 24VAC
Wiring required: 4-wire system with fan (G) and cool (Y) wires, lacking common (C) wire
