Figure 3-5: Air/Fuel Valve In Ignition Position
7. Up to 4 seconds are allowed for ignition to be detected. The ignition circuit is turned off one second
after flame is detected.
8. After 2 seconds of continuous flame, the flame strength is indicated. After 5 seconds, the Unit
Status screen appears.
9. With the unit firing properly, it will be controlled by the temperature control circuitry. The boiler’s fire
rate or valve position (depending on which was chosen in Section 4.2.2: Front Panel Configuration
of the Edge [i] Controller Manual, OMM-0141, GF-213-B) will continuously display on the
Controller’s bargraph.
10. Once the demand for heat has been satisfied, the Edge [i] Controller will turn off the SSOV gas
valve. The blower relay will be deactivated and the Air/Fuel Valve will be closed. Standby is
displayed.
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