19'' rack-mounted automatic burner control units for monitoring and control of gas burners, for intermittent operation, ionization or UV control.
PFS 778: main gas after safety time or main gas after flame proving period, switchable for continuously controlled burners, single-electrode operation possible,
PFS 748: main gas following flame signal for burners in On/Off intermittent operation,
restart, immediate fault lock-out or delayed reaction time for V1 following flame failure, switchable,
air valve control possible,
multi-flame control possible,
safety time on start-up:
3, 5 or 10 s,
safety time during operation for V2: 1 s,
safety time during operation for V1:
1, 3, 5 or 10 s,
mains voltage: switchable from 220/240 V AC to 110/120 V AC, for grounded or ungrounded mains,
controlled by standard 24 V DC signals.