Jesse grandbois submitted this tech tip to help make it simple.
Hvac condenser fan motor replacement 3 wire to 4 wire.
This is a quick one on the difference between wiring universal condenser fan motors and why brown white is the same wire as white.
How to wire a run capacitor to a motor blowers condensers sometimes when a blower or condenser fan motor goes bad a technician or even a diyer has issues wiring the new motor and capacitor most motors come with clear instructions or a wiring diagram on the side.
However some people still struggle with the wiring part of the motor to the capacitor.
4 wires is a common question by new techs.
Assuming the compressor uses 3 wires and one leg from the contactor is jumpered to the common terminal of the capacitor it must be therefore impossible to use the 4 wire method for the fan right.
How to install 4 wire hvac ac fan motor to 3 wire unit.
A quick guide for installing 3 wire condenser fan motors.
The common lead white and the brown with the white tracer contractor leads are wired into the same circuit so the brown with the white tracer can be cut off and insulated with a wire nut and electrical tape you.
The old capacitor has 3 connections herm hermetically sealed compressor c common and f fan.
So does it matter which wire i use for the fan terminal on the capacitor brown or brown white as most motors have them colored.
How to wire a furnace or ac blower motor.
How to wire a condensing fan motor for 3 vs.
I go over how to eliminate.
Your old motor had 3 wires.
What do you do with the two brown wires black wire and white wire.