Honeywell RM7897A1002 Primary Burner Control

Honeywell RM7897A1002 Primary Burner Control. Microprocessor-based integrated full-function primary burner control for automatically fired gas, oil, or combination fuel single burner applications. Programmable Post Purge. Requires S7800A1142 Display to program post purge feature. Functions include automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics and troubleshooting. Subbase, amplifier and purge card are required for operation. Options include PC interface, keyboard display module, DATA CONTROLBUS™ MODULE, remote display module, first-out expanded annunciator, and COMBUSTION SYSTEM MANAGER™ software. Five LEDs provide sequence information. Power LED blinks fault code on Safety Shutdown. Interchangeable plug-in flame amplifiers. Local or remote annunciation of operation and fault information. Nonvolatile memory retains history files and sequencing status after power loss. Optional remote reset capability. Optional report generation. Selectable recycle or lockout on loss of airflow or flame. Shutter drive output. Airflow switch check. Delayed main valve. Programmable post purge using S7800A1142 Keyboard Display (not provided).