Honeywell EC7850A1122 burner control

Honeywell EC7850 A 1122 automatic burner control unit provides automatic sequencing of burner operations, flame monitoring, system status indication, system diagnostics, and fault detection. Honeywell EC7850A 1122 burner controller technical data: Ambient temperature: -40 C to +60 C (-40 F to +140 F) Transport temperature: -40 C to +66 C (-40 F to +150 F) Humidity value: constant relative humidity 85%, non-condensing Power Supply: 220-240 V, 50/60 Hz Energy dissipation: 10 W max. Fuse: 20 A max. FRN type or equivalent Vibration: 0.5G in the immediate environment Start-up period: 2 seconds Dimensions: width - 127 mm; height - 127 mm; thickness - 133 mm with base Q7800A, thickness - 155 mm with base Q7800B. Weight: 0.7 kg Connected load: only 2000 VA max. Honeywell EC7850A1122 burner control unit provides external voltage control and features a communication interface for flexible use. Five LEDs indicate operation sequences, and a five-function switch allows selection between operation and testing modes. Interchangeable flame signal amplifiers add convenience. Operational and fault information can be transmitted locally or remotely. The unit has non-volatile memory to store process history and lockout status during power failures. It is compatible with Honeywell flame detectors.