120V Microprocessor-Based Flame Safeguard
The Honeywell RM7800L1053 is a microprocessor-based primary burner control designed for automatically fired gas, oil, or combination fuel single-burner systems. This model features a grounding pin for secure electrical connections and is part of the RM7800 series, offering reliable burner sequencing, flame supervision, and system lockout protection. Built to meet rigorous safety standards, the RM7800L1053 is ideal for industrial and commercial heating applications requiring advanced diagnostics and modular flexibility.
Technical Specifications
- Model: RM7800L1053
- 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
- Grounding Pin: Included
- Airflow Switch Check: Supported
- Interlocks: Selectable
- Run/Test Switch: 5-position for testing and diagnostics
- Mounting: Requires Q7800A or Q7800B Universal Subbase
- Flame Amplifier Compatibility: R7847, R7848, R7849, R7851, R7852, R7861, R7886
- LED Indicators: 5 LEDs for real-time sequence and fault status
- Memory: Nonvolatile memory retains lockout data and operational history
- Condition: New
Key Features
- Advanced burner sequencing and flame supervision
- Integrated safety lockout and diagnostic features
- Grounding pin ensures stable and secure connection
- Modular amplifier design supports multiple flame detection methods
- LED indicators provide live system status and fault annunciation
- Supports optional display, communication, and remote reset modules
- Retains lockout and cycle history even during power interruptions
- Built-in Run/Test switch for service, testing, and commissioning
Compatible Accessories
- Q7800A / Q7800B Subbases
- ST7800A Plug-in Purge Timer
- R7847, R7848, R7849, R7851, R7852, R7861, R7886 Flame Amplifiers
- S7800A Keyboard Display Module
- S7830 Expanded Annunciator
- S7810A ControlBus and S7810M Modbus Communication Modules
Industry Applications
- Industrial and commercial burner systems
- Fuel-fired process heating equipment
- HVAC combustion control systems
- Burner safety systems requiring diagnostics and secure grounding
Installation & Maintenance Notes
- Ensure proper mounting to Honeywell subbase and grounding pin connection
- Set appropriate purge and flame timings with ST7800A timer
- Use LED status lights or optional display for troubleshooting
- Periodically test flame signal and review stored lockout history
- Inspect wiring, interlocks, and safety controls during routine service
We ship this product worldwide! Delivery is normally stock.
Request a Quote now or call us at 1-800-755-2883 for expert assistance.