The Honeywell RM7840L1026 is a microprocessor-based burner management control module designed for automatic sequencing, flame supervision, and safety interlocks in industrial and commercial combustion systems. As part of the reliable Honeywell 7800 Series, the module manages critical burner operations including ignition sequencing, flame verification, lockout protection, and diagnostic monitoring.
Engineered for automatically fired single-burner systems, the RM7840L1026 integrates advanced diagnostics, non-volatile memory, and plug-in flame amplifier compatibility. These capabilities allow the module to monitor flame conditions continuously while maintaining operational history and fault status for maintenance analysis.
With flexible configuration options such as selectable flame establishing periods, intermittent pilot operation, and programmable purge timing, the module provides a dependable foundation for modern combustion safety control systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | RM7840L1026 |
| Brand | Honeywell |
| Series | 7800 Series Burner Control |
| Product Type | Microprocessor Burner Management Control Module |
| Supply Voltage | 120 VAC (+10 %, −15 %), 50/60 Hz |
| Application | Automatically fired single-burner gas, oil, coal, or combination fuel systems |
| Flame Detection | Compatible with plug-in flame amplifiers (UV, IR, flame rod) |
| Pilot Flame Establishing Period | 4 s or 10 s |
| Main Flame Establishing Period | 10 s or intermittent |
| Early Spark Termination | 5 s |
| Pilot Type | Interrupted pilot |
| Post-Purge Time | 15 s |
| Diagnostics | Five LED status indicators |
| Run/Test Switch | Five-position run/test switch |
| Memory | Non-volatile fault and operational history storage |
| Communication | Compatible with S7800 keyboard display module |
| Operating Temperature | −40 °C to +60 °C |
| Mounting | Honeywell Q7800 Series wiring subbase |
| Dimensions (L×W×H) | 127 × 127 × 133 mm |
| Weight | 0.80 kg |
| Certifications | UL, CSA, FM approvals |
The RM7840L1026 integrates burner sequencing, flame supervision, and safety lockouts within a single microprocessor-based platform, providing reliable protection for combustion equipment.
Recommended Related Models
| Model | Description |
|---|---|
| Honeywell RM7840L1018 | Burner management controller with lockout safety |
| Honeywell RM7840G1014 | Burner controller with advanced diagnostic display |
| Honeywell RM7823A1016 | Flame amplifier and relay module |
| Honeywell RM7824A1006 | Dual-channel flame amplifier module |
| Honeywell R7847 | Flame signal amplifier |
Popular Honeywell Combustion Control Models
| Model | Product Type |
|---|---|
| Honeywell RM7800G1018 | Advanced burner control module |
| Honeywell RM7800M1011 | Maintenance burner controller |
| Honeywell S7800A1001 | Keyboard display module |
| Honeywell ST7800A | Purge timer card |
| Honeywell R7848 | Flame signal amplifier |
