Honeywell RM7897C1000/U Automatic Primary Control with Programmable Post-Purge 7800 Series 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).