MEP697
Programmer Selectable TFI timing, purge
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Programmer Selectable TFI timing, purge timing, post purge, prove open at start, and recycle / non-recycle on flame fail. Includes 5 sec pilot proving, early spark termination, 10 sec MTFI, and interrupted pilot.
Features
Dip Switch Selectable Purge
Dip Switch Selectable Lockout Or Hold If Air Flow Not Closed 10 Seconds Into Cycle
Lockout On Air Flow Open While Main Valve Energized
Release To Modulate Contacts Change State Into 5 Seconds Into AUTO (MEC320TS Required)
Dip Switch Selectable Pilot Trial For Ignition (PTFI)
5 Second Pilot Proving Period
10 Second Main Trial For Ignition (MTFI)
Early Spark Termination
Interrupted Pilot
Dip Switch Selectable Post Purge
Forced 15 Second Post Purge After Flame Fail
Lockout On Flame Fail