Intel Fan Wiring Diagram. When using a 3-pin power connector with a 4-pin fan header the fan will always be on. Connect the black wire from the ceiling to the black wire from the receiver.
There is no fan control. The introduction of 4 wire PWM controlled fans is a means to reduce the overall system acoustics. The expectation is a 4 wire PWM controlled fan when properly implemented will be significantly quieter than a similar 3 wire fan.
Desktop board has a 4-pin fan header.
Desktop board has a 4-pin fan header. Connect the three white wires from the ceiling fan and receiver together. Fans and on-board fan headers are backwards compatible. Connect the three grounding wires green greenyellow stripe or bare copper coming from the ceiling fan-rated electrical box the downrod attached to your fan and the ceiling bracket.
