How do I adjust the flame on my furnace?

How do I adjust the flame on my furnace?

Combustion Air Adjustment

1. Light the pilot burner.
2. Turn up the setting on the room thermostat until the main burners come on.
3. Allow the main burners 10 minutes to warm up.
4. Loosen locknut on adjusting screw (Figure 11-42).
5. Turn adjusting screw in (clockwise) until the yellow tip appears in the flame.

What causes orange flame on furnace?

When flames are yellow or orange it is a sign of dirt build up in the burner, or other possible issues. An unstable flickering yellow or orange flame is an indication that the furnace is not producing an appropriate mixture of gas and oxygen. Ignoring this sign can lead to a large gas leak and lead to disaster.

What should the flame look like in an oil furnace?

Look at the flame color on the oil burner as the collar is being moved. This will indicate if there is a lack of air. A flame that is dark yellow indicates less air. A flame that is receiving the right mixture of air should have a white, chrome or blue color.

How is air adjustment done in a gas furnace?

As shown in Figure 11-44, adjustment of the end burner results in a simultaneous adjustment of all burners. After the primary air adjustments have been made, check to see that the burners are level. The burner flames should be uniform and centered in the heat exchanger (see Heat Exchanger in this chapter).

What to look for when adjusting furnace burner?

Inspect the burner flame quality – pure blue flames that burn straight are desired. If yellow or unsteady flames are detected, clean the furnace before adjusting flames by turning off gas valves and cleaning debris from burner nozzles and the furnace’s pilot light with a wire brush.

How to adjust the flame height on a gas burner?

Adjusting the pilot flame height should not be too hard. All you will need to do is to twist the adjustment screw of the flame till the flame goes from one and half inches to two inches, which is about 4 to 5 centimeters high.

How is an end burner air adjustment done?

As shown in Figure 11-44, adjustment of the end burner results in a simultaneous adjustment of all burners. After the primary air adjustments have been made, check to see that the burners are level.

Do you need to adjust the gas burner on a furnace?

As part of maintenance to the gas furnace, you need to adjust the gas burner. For the furnace to work efficiently, flames on the burner should not only be full but steady, and there should be no sputtering or trace of yellow. Adjusting the height of flames on the main burners should be done with great caution.

How do you adjust the air in a Coleman furnace?

The procedure for adjusting the primary air on a Coleman gas furnace may be summarized as follows: 1. Light the pilot burner. 2. Turn up the setting on the room thermostat until the main burners come on. 3. Allow the main burners 10 minutes to warm up.

Adjusting the pilot flame height should not be too hard. All you will need to do is to twist the adjustment screw of the flame till the flame goes from one and half inches to two inches, which is about 4 to 5 centimeters high.

What should the flame look like in a gas furnace?

The purpose of this adjustment is to obtain the most suitable flame characteristics. Experience has shown that the most efficient burner flame for natural gas has a soft blue cone without a yellow tip. For pro- pane gas, there should be a little yellow showing in the tips of the flame.