Honeywell Programming Control w/ LHL-LF & HF Proven Purge

Overview: Microprocessor-based integrated burner control for automatically fired gas, oil, coal or combination fuel single burner applications. Provides safety, functional capability and features beyond conventional controls. Features: Functions include automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics and troubleshooting. Access for external electrical voltage checks. Application flexibility and communication interface capability. Five LEDs provide sequence information. Five function Run/Test Switch. Interchangeable plug-in flame amplifiers. Local or remote annunciation of RM7840 operation and fault information. Nonvolatile memory retains history files and lockout status after loss of power. Compatible with existing Honeywell flame detectors. Flame Establishing Period - Pilot: 4 sec or 10 sec Flame Establishing Period - Main: 10 sec Post Purge: Determined by ST7800A Purge Timer Card Interlocks: Lockout Pilot Type: interrupted Vibration: 0.5 G environment