Furnace Blower Low Speed Only

Comfort sup sup 95 ultra low nox gas furnace 59su5 https.

Furnace blower low speed only.

While the black is high the blue is medium and the yellow is often low. Your furnace s manual tells you whether or not the furnace is blowing low medium or high. The furnace operates for two minutes or so before it shuts down. Mars makes the azure motor that s like it.

The gas is shut off and the induction motor stops running while the blower motor continues to run at low rpms. It has a replaceable surge protector standard which is great since most ecm failures are electrical that blow sacrificial thermistors. Looks like low is 1 2 of the highest speed for a better constant fan and use very little juice. I know that the blower motor should have 3 speeds i checked the wiring when testing the capacitor the heat wire is connected to the med speed and the cool wire is connected to the high speed.

Not only that but our energy star. The blower motor also begins running but at low rpm. For example ecm motors have an electronic digital driver that is set using dip switches or other means. Our 90 afue rating gas furnaces include two heat.

Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. Each wire has a different speed that it blows when connected. If your unit has either of these then the low speed problem may have other causes. The gas kicks on and is lit by the ignitor.

An incorrect low torque setting yields low blower speed. This isn t always the case though so it s important to check the speed with the manometer.