Relay Module 120V Integrated Control for Advanced Communication and Diagnostics
The Honeywell RM7898A2000 is a microprocessor-based primary burner control designed for use in automatically fired single-burner gas, oil, or combination fuel applications. This model offers enhanced system communication and diagnostic capability while delivering safe burner sequencing, flame monitoring, and lockout protection. It integrates seamlessly with Honeywell’s RM7800 platform, allowing for modular amplifier use and expanded burner management features.
Technical Specifications
- Model: RM7898A2000
- Series: RM7800
- Voltage: 120V AC (+10%, -15%)
- Frequency: 50/60 Hz
- Application: On-Off Control for Single-Burner Systems
- Pilot Type: Intermittent
- Flame Establishing Period – Pilot: 4 or 10 seconds
- Flame Establishing Period – Main: Intermittent
- PrePurge / PostPurge: Configurable via ST7800A Purge Timer
- Interlocks: Selectable
- Run/Test Switch: 5-function switch for manual testing
- Communication: Compatible with ControlBus and Modbus modules
- Annunciation: Supports Expanded Annunciator and remote display
- Mounting: Requires Q7800A or Q7800B Universal Subbase
- Flame Amplifier Compatibility: R7847, R7848, R7849, R7851, R7852, R7861, R7886
- LED Indicators: 5 LED indicators for sequence and fault status
- Memory: Nonvolatile memory stores lockout codes, flame signal, and history
- Condition: New
Key Features
- Provides burner sequencing, flame safeguard, and safety shutdown
- Supports full diagnostic display via optional modules
- Designed for data logging, remote reset, and fault annunciation
- Accepts interchangeable plug-in amplifiers for flexible flame detection
- Run/Test switch allows in-field configuration and status verification
- Nonvolatile memory retains operational data after power loss
- Five status LEDs for real-time sequence indication and error alerts
Compatible Accessories
- Q7800A / Q7800B 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 and commercial burner systems
- Fuel-fired heating equipment
- Boilers requiring enhanced system diagnostics
- Burner systems with remote communication and monitoring needs
Installation & Maintenance Notes
- Mount to compatible subbase and install matched amplifier
- Configure purge timing using ST7800A module
- Monitor sequence and flame signal through LED or display module
- Use communication modules for integration with building systems
- Periodically inspect flame sensors and test lockout response
We ship this product worldwide! Delivery is normally stock.
Request a Quote now or call us at 1-800-755-2883 for expert assistance.