The Honeywell RM7840L2018 is a Microprocessor-based integrated burner control (120V) designed for single burner applications using gas, oil, coal, or combination fuel. It goes beyond standard controls, ensuring safety and advanced functionality.
Functions encompass automatic burner sequencing, flame supervision, system diagnostics, and troubleshooting with external voltage checks. It provides application flexibility and communication interface capability.
Equipped with five LEDs for sequence data, a five-function Run/Test switch, and interchangeable plug-in flame amplifiers, it allows optional local or remote annunciation of RM7840 operation and faults. Nonvolatile memory preserves history and lockout status post-power loss, compatible with existing Honeywell flame detectors. Additionally, it includes a dust cover and an AirFlow switch check option.
- Flame Establishing Period – Pilot, 4 sec or 10 sec
- Flame Establishing Period – Main, 10 sec or 15 sec
- Early Spark Termination – Yes, 5 sec
- Required Components: Q7800A,B Universal Wiring Subbases, R7847, R7848, R7849, R7851, R7852, R7861, or R7886 Flame Signal
- Amplifier, ST7800A Plug-in Purge Timer Card
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