Hvac Condenser Fan Motor Replacement 3 Wire To 4 Wire

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.

Hvac condenser fan motor replacement 3 wire to 4 wire. 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 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. This is a quick one on the difference between wiring universal condenser fan motors and why brown white is the same wire as white. However some people still struggle with the wiring part of the motor to the capacitor.

I go over how to eliminate. How to install 4 wire hvac ac fan motor to 3 wire unit. 4 wires is a common question by new techs. The old motor had a white wire or purple that went to the old capacitor marked c for common the black wire to the contactor for hot and the brown wire to the f on the old cap.

The old capacitor has 3 connections herm hermetically sealed compressor c common and f fan. Jesse grandbois submitted this tech tip to help make it simple. How to wire a furnace or ac blower motor. How to wire a condensing fan motor for 3 vs.

A quick guide for installing 3 wire condenser fan motors. This video shows how to wire a furnace blower motor to an extension cord how to reverse the rotation what informa. Since most oem motors only have 3 wires and most replacement condenser fan motors have 4 wires this creates a little confusion.