Furnace Blower Low Speed Only

Models with variable speed blower and inducer motors can deliver consistent temperature control all year long and enhanced humidity control as a part of your air conditioning system.

Furnace blower low speed only.

The furnace operates for two minutes or so before it shuts down. While the black is high the blue is medium and the yellow is often low. It has a replaceable surge protector standard which is great since most ecm failures are electrical that blow sacrificial thermistors. Each wire has a different speed that it blows when connected.

Looks like low is 1 2 of the highest speed for a better constant fan and use very little juice. The gas is shut off and the induction motor stops running while the blower motor continues to run at low rpms. Mars makes the azure motor that s like it. The blower motor also begins running but at low rpm.

If your unit has either of these then the low speed problem may have other causes. We have 2 of these furnaces and the functioning one is much louder and blows a lot more air at both settings i just wanted to clear that. The gas kicks on and is lit by the ignitor. Your furnace s manual tells you whether or not the furnace is blowing low medium or high.

Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. Not only that but our energy star. This isn t always the case though so it s important to check the speed with the manometer. It wires similarly and works the same with 1 2 speed constant fan.

Comfort sup sup 95 ultra low nox gas furnace 59su5 https. For example ecm motors have an electronic digital driver that is set using dip switches or other means.