Air Conditioner Fan Motor Speed Control

Motor controls switches.

Air conditioner fan motor speed control.

An inverter having a power output terminal connected to a single phase power input terminal of the fan motor which has a single phase stator including a main coil and a sub coil an induction rotor and a permanent magnet rotor installed between the stator and the induction rotor the inverter configured to control a. Each fan has its own motor. If you begin to notice a change in your fan s speed it seems too fast or slow there are 3 key areas to have your portland air conditioning technician from clean air act inspect on your ac system. Like any other motor the fan motor has its own wiring etc that powers it.

It s usually a switch or jumper change or occasionally on older air handlers moving a wire from one pin to another. A speed control system of a fan motor of an air conditioner comprising. Heater motor blower fan resistor air conditioning speed control resistor fits 13248240 55702407 send high quality contour gauge yaopei heater motor fan blower resistor 4 pins 1206927 1855157 1253185 1325972. There will be two wires on the air handler s blower housing that will lead to the capacitor.

Inside the air handler usually on a control board a printed circuit board there will be one or more switches or little jumpers that the service technician can set to control the fan speed or speeds on the particular air handler. In small motors such as the permanent split capacitor psc fan motor in a mechanical control window air conditioner the speed of the fan is limited to 3 5 speeds. If your speed selector for your ac or heat only works on high or low or if its missing any particular speed this video will show you how to fix it once an. Usually the speed to be varied is low med high.

The rest of the wires will lead to the electrical control box. The speed is varied by manually switching the fan control button to its desired location.