The Honeywell RM7840L1075 is a microprocessor-based burner management control module from Honeywell’s trusted 7800 Series, engineered to deliver precise burner sequencing, flame monitoring, and safety interlocks for industrial and commercial heating systems. It provides automatic ignition control, purge timing, flame verification, and lockout protection, ensuring safe and efficient operation of gas, oil, and combination-fuel burners.
With plug-in compatibility for Honeywell flame amplifiers and optional display modules, the RM7840L1075 enables enhanced system diagnostics, maintenance efficiency, and operational safety. Its non-volatile memory preserves operational and fault history even after power loss, which is critical for industrial burner troubleshooting and compliance.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | RM7840L1075 |
| Brand | Honeywell |
| Series | 7800 Series Burner Control |
| Product Type | Microprocessor Burner Management Control Module |
| Supply Voltage | 120 VAC ±10–15%, 50/60 Hz |
| Application | Single-burner gas, oil, or combination fuel systems |
| Flame Detection | 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 |
| Post-Purge Time | 15 s |
| Pilot Type | Interrupted pilot |
| Diagnostics | Five LED status indicators with fault memory |
| Run/Test Switch | Five-position run/test switch |
| Memory | Non-volatile operational and fault history |
| Mounting | Honeywell Q7800 Series wiring subbase |
| Operating Temperature | –40 °C to +60 °C |
| Dimensions (L × W × H) | 127 × 127 × 133 mm |
| Weight | 0.80 kg |
| Certifications | UL, CSA, FM approvals |
The RM7840L1075 combines reliable burner sequencing, safety lockouts, and advanced diagnostics into a compact module suitable for demanding industrial combustion environments.
Recommended Related Models
| Model | Description |
|---|---|
| Honeywell RM7840L1026 | Burner control with advanced lockout logic |
| Honeywell RM7840L1018 | Microprocessor burner management controller |
| Honeywell RM7840G1014 | Burner controller with display and diagnostics |
| Honeywell RM7824A1006 | Dual-channel flame amplifier |
| Honeywell R7847 | Flame amplifier accessory |
Popular Honeywell Combustion Control Models
| Model | Product Type |
|---|---|
| Honeywell RM7800G1018 | Advanced burner management controller |
| Honeywell RM7800M1011 | Maintenance burner control module |
| Honeywell S7800A1001 | Keyboard display module |
| Honeywell ST7800A | Programmable purge timer card |
| Honeywell R7848 | Flame signal amplifier |
