Section 6
Typical Sequence of Operation
If 120vac passes through high gas pressure switch and high temperature limit, it will reach the Fireye Flame controller which will initiate the burner ignition sequence: 1. Energize Igniter 2. Energize Pilot Solenoid 3. Check for Flame Signal 4a. Flame Signal Proven – Energize Main Gas Valves, and De-energize Pilot & Igniter
Normal Operation Flame Fail PTFI Flame Fail Auto Flame Fail MFTI False Flame Idle
4b. Flame Signal Not Proven – De-energize Pilot Solenoid and Igniter, then issue Alarm
If flame signal is not proven, “Flame Safeguard Fault” will be displayed on Carel Controller
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