The Honeywell RM7840E2016 is a microprocessor-based flame safeguard relay module designed for on-off burner control in industrial and commercial combustion systems. Built as part of the RM7800 Series, this model includes a grounding pin to ensure stable electrical connections and enhanced system reliability. It provides safety shutdown, burner sequencing, and diagnostic capabilities for systems utilizing UV, IR, or rectification flame sensing.
Technical Specifications
- Model: RM7840E2016
- Series: RM7800
- Product Type: Flame Safeguard Relay Module
- Power Supply: 120V AC, 50/60 Hz
- Burner Operation Type: On-Off
- Mounting: Q7800A Subbase (required)
- Flame Detection: UV, IR, or rectification (via compatible amplifier)
- Flame Amplifier Compatibility: R7847, R7848, R7849, R7851
- Field Flame Response Time (FFRT): Adjustable
- Reset Method: Manual reset lockout
- Grounding Pin: Included for enhanced electrical integrity
- Status Display: LED indicators; supports S7830A remote display
- Condition: New
Key Features
- Supports UV, IR, and flame rod sensing with matched amplifiers
- Grounding pin ensures strong electrical connection and system stability
- Microprocessor-controlled burner sequencing and safety shutdown
- Modular, plug-in design for fast replacement and installation
- Lockout diagnostics accessible via LEDs or optional display module
Compatible Accessories
- Q7800A Subbase
- S7830A Keyboard Display Module
- R7847, R7848, R7849, R7851 Flame Amplifiers
- Flame rods, UV/IR flame sensors
Industry Applications
- Commercial and industrial boilers
- Process burners and furnaces
- Ovens, kilns, and heating equipment
- HVAC combustion systems
Installation & Maintenance Notes
- Mount to Q7800A subbase with proper grounding connection
- Confirm flame sensor and amplifier compatibility
- Program FFRT to match burner control requirements
- Inspect flame signal during commissioning and operation
- Review lockout codes using LED indicators or optional display
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