Relay Module 120V Integrated Flame Safeguard with Advanced Diagnostics
The Honeywell RM7800G1018 is a microprocessor-based primary burner control designed for automatically fired gas, oil, or combination fuel single-burner applications. This model features a grounding pin for enhanced installation integrity and is part of Honeywell’s RM7800 series, known for advanced flame safeguard functionality, system status indication, and onboard diagnostics. The RM7800G1018 is ideal for commercial and industrial burners requiring reliable sequencing, flame supervision, and safety lockout.
Technical Specifications
- Model: RM7800G1018
- Series: RM7800
- Voltage: 120V AC (+10%, -15%)
- Frequency: 50/60 Hz
- Application: Automatically fired single-burner systems
- Pilot Type: Intermittent
- Flame Establishing Period – Pilot: 4 or 10 seconds
- Flame Establishing Period – Main: Intermittent
- PrePurge / PostPurge: Configured via ST7800A Plug-in Timer
- Airflow Switch Check: Included
- Interlocks: Selectable
- Grounding Pin: Yes
- Run/Test Switch: 5-position switch for commissioning and diagnostics
- Mounting: Requires Q7800A or Q7800B Universal Subbase
- Flame Amplifier Compatibility: R7847, R7848, R7849, R7851, R7852, R7861, R7886
- LED Indicators: 5 status LEDs for sequence and fault indication
- Nonvolatile Memory: Stores lockout data, flame signal strength, and operational history
- Condition: New
Key Features
- Full burner sequencing, flame supervision, and safety lockout
- Grounding pin ensures reliable electrical connection
- Compatible with multiple flame detection methods (UV, IR, flame rod)
- LED status indicators for live diagnostics and fault annunciation
- Supports optional keyboard display and remote annunciator modules
- Run/Test switch enables in-field testing and service operations
- Nonvolatile memory retains system status and lockout history after power loss
Compatible Accessories
- Q7800A / Q7800B Universal Wiring Subbase
- ST7800A Plug-in Purge Timer Module
- R7847, R7848, R7849, R7851, R7852, R7861, R7886 Flame Amplifiers
- S7800A Keyboard Display Module
- S7830 Expanded Annunciator
- S7810A ControlBus or S7810M Modbus Communication Modules
Industry Applications
- Industrial burners and commercial boilers
- Process heating systems
- Fuel-fired HVAC systems
- Combustion safety systems with diagnostic requirements
Installation & Maintenance Notes
- Mount using proper subbase and confirm grounding pin connection
- Configure prepurge and postpurge timing using ST7800A module
- Verify flame signal strength during startup and normal operation
- Use LEDs or optional display to monitor sequence and troubleshoot issues
- Inspect system regularly and log lockout events from nonvolatile memory
We ship this product worldwide! Delivery is normally stock.
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