The Honeywell RM7897C1018 is a microprocessor-based primary burner control module engineered for automatically fired gas, oil, or combination fuel single-burner applications. As part of Honeywell’s 7800 Series, the RM7897C provides automatic burner sequencing, flame supervision, post-purge, and safety shutoff function for commercial and industrial combustion systems.
Technical Details
- Model / Part Number: RM7897C1018
- Manufacturer / Brand: Honeywell
- Product Line: 7800 Series Flame Safeguard Controls
- Module Type: Primary Burner Control / Relay Module
- Supply Voltage: 120 VAC (+10% / -15%), 50/60 Hz
- Power Consumption: 10 W Maximum
- Pre-Purge Period: Configurable via ST7800 Plug-In Purge Timer Card
- Post-Purge Period: Programmable 15-second Post-Purge
- Flame Amplifier: Requires Plug-In R7800 Series Flame Signal Amplifier
- Mounting Base: Q7800A, B, or C Wiring Subbase
- Operating Temperature: -40°C to 60°C (-40°F to 140°F)
- Storage Temperature: -40°C to 65°C (-40°F to 150°F)
- Relative Humidity: 0% to 85% Non-Condensing
- Approvals / Standards: UL Listed, CSA Certified, FM Approved
- Shipping Weight & Dimensions: 2.0 lbs | 7 x 5 x 3 Inches
- Alternate Part Numbers: RM7897C1018, RM7897C1018/U, 7800 RM7897C1018
Key Features
- Microprocessor Safety Logic: Manages pre-purge, ignition, pilot/main flame trial, and post-purge timing with continuous self-diagnostics.
- Programmable Post-Purge: Features an integrated post-purge cycle to safely clear unburned combustion gases from the furnace after burner shutdown.
- Status Diagnostic LEDs: Front-panel LEDs provide real-time visual feedback for operational phases (Power, Fault, Purge, Flame, Pilot, Main).
- Modular Component Architecture: Integrates with ST7800 purge timer cards, R7800 flame amplifiers, and S7800 keyboard display modules.
- Non-Volatile Memory: Retains lockout status, fault codes, and operational cycle statistics through power loss.
Applications
- Primary flame safeguard control for commercial boilers, industrial process heaters, and warm air furnaces.
- Gas, oil, or dual-fuel single-burner management installations requiring post-purge capabilities.
- Direct replacement and maintenance servicing for Honeywell 7800 Series burner control units.
We ship this product worldwide! Delivery is normally stock.
Request a Quote now on Honeywell RM7897C1018 or call us at 1-800-755-2883 for expert assistance.