The Honeywell RM7840L1018 is a Microprocessor-based integrated burner control (120V, 50/60Hz) designed for single burner applications using gas, oil, coal, or a combination of fuels. It surpasses standard controls, ensuring safety, functional capability, and advanced features.
Functions cover automatic burner sequencing, flame supervision, system diagnostics, and troubleshooting with external voltage checks. It offers application flexibility and communication interface capability.
Featuring five LEDs for sequence information, a five-function Run/Test switch, and interchangeable plug-in flame amplifiers, it supports optional local or remote annunciation of RM7840 operation and fault details. Nonvolatile memory retains history and lockout status after a 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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