Description
The Honeywell RM7897C1000 is a robust, microprocessor‑based burner control used in automatically fired gas, oil, or combination fuel single‑burner systems. It combines safety, versatility, and diagnostic features—offering both pre‑purge and programmable post‑purge functions as well as selectable pilot flame timing. Designed for demanding applications where precision and reliability are essential.
Features:
- Includes blinking LED fault annunciation 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).
- Flame Establishing Period – Pilot: 4 sec or 10 sec
- Interlocks: Selectable
- PrePurge: Determined by ST7800A Purge Timer Card
- PostPurge: programmed with S7800A1142 display
- Delayed Main Valve: Yes
- Pilot Type; selectable:
- Vibration: 0.5 G environment
