The Honeywell RM7800L1038 is a microprocessor-based flame safeguard relay module designed for safe burner sequencing, flame monitoring, and safety shutdown in gas, oil, or combination-fired burner systems. Part of the RM7800 series, this model offers advanced diagnostic capabilities, modular design, and compatibility with a wide range of flame detection technologies. It is ideal for commercial and industrial burner management systems requiring reliable performance and fast serviceability.
Technical Specifications
- Model: RM7800L1038
- Series: RM7800
- Product Type: Flame Safeguard Relay Module
- Power Supply: 120V AC, 50/60 Hz
- Burner 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 Type: Manual reset after lockout
- Grounding Pin: Included for electrical connection integrity
- Status Indicators: LED diagnostics and optional S7830A remote display
- Condition: New
Key Features
- Advanced flame safeguard for on-off burner systems
- Includes grounding pin for enhanced electrical reliability
- Plug-in design for easy installation and replacement
- Supports multiple flame sensing methods with interchangeable amplifiers
- Built-in diagnostic LEDs and optional remote lockout display
Compatible Accessories
- Q7800A Subbase
- S7830A Keyboard Display Module
- R7847, R7848, R7849, R7851 Flame Amplifiers
- UV and IR flame scanners
- Flame rods for rectification systems
Industry Applications
- Commercial boilers and heaters
- Industrial process burners
- Kilns, ovens, and dryers
- Combustion systems requiring NFPA-compliant flame monitoring
Installation & Maintenance Notes
- Mount with Q7800A subbase and ensure grounding pin is secured
- Select the correct flame amplifier and sensor for the burner type
- Verify FFRT settings during commissioning
- Use S7830A display for quick access to lockout history and diagnostics
- Perform periodic inspections of connections and flame signal integrity
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