Gas Furnace Ignition Control Board
Gas Furnace Ignition Control Board. Types of furnace control boards. A more efficient type of board, known as the integrated furnace control, also controls the furnace blower in both air conditioning and heating modes.
Armstrong / ducane gas furnace ignition control board p/n 12j99. Depending on the 24v inputs on g, w, y terminals, it will control the function of the furnace. A typical sequence might be:
The Gas Furnace Control Board Uses Flame Rectification To Verify The Flame Is Lit.
Buy lennox y4749 pulse furnace ignition control board for your lennox furnace new from the technical experts. Replaces the following part #'s: The control board runs a series of operations—starting the electronic ignition, opening the gas valve, checking the burner unit, activating the blower, shutting off the gas, venting the heat exchanger—that moves the furnace.
Below Is A Video About Troubleshooting The Control Board.
The gas furnace control board verifies a flame whether the system is hot surface ignition or intermittent pilot. This board integrates both the ignition control with the blower control all as one board. This is a brand new original equipment manufacturer (oem) goodman amana gmc janitrol ignition furnace control board, part# pcbag123s.
When Heat Is Needed, The Control Board Opens The Gas Valve For The Burners And Awaits An Immediate Message From The Flame Sensor That A Flame Exists.
Pcbag123s this part is used in, but not limited to the following models: The control board is responsible for a series of operations that are essential to the furnace running at all, let alone efficiently. Gas flow to the pilot system:
If It Doesn’t Get That Confirmation, The Control Board Shuts The Gas Valve Off And Shuts.
Induced draft motor starts/pressure switch closes/ignitor surface heats up/spark is delivered/gas valve opens/furnace lights/flame sensor detects flame. The furnace control board operates almost everything that goes on within the furnace. If the board has blinking lights, refer to the chart to decipher the code and help identify the problem area with the furnace.
What Does The Control Board Do?
With an intermittent pilot system once the flame has been verified the gas furnace control board signals the main gas valve to open to feed gas to the main burners. As the hot surface ignitor glows, the control board simultaneously allows gas flow to the pilot system. Control boards are usually located inside the blower compartment of the furnace.
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