Relay Module 120V Semi-Automatic Burner Module with Valve Proving System
The Honeywell RM7838B2013 is a semi-automatic primary burner control module designed for on-off burner systems using gas, oil, or combination fuels. It provides safe burner sequencing, flame supervision, system shutdown, and integrated Valve Proving System (VPS) functionality to verify valve integrity before burner ignition. Built for use with interrupted pilot applications, this unit is ideal for industrial and commercial burner systems where safety, manual control, and diagnostics are critical.
Technical Specifications
- Model: RM7838B2013
- Series: RM7800
- Voltage: 120V AC (+10%, -15%)
- Frequency: 50/60 Hz
- Application: Semi-Automatic Burner Control with VPS
- Pilot Type: Interrupted
- Flame Establishing Period – Pilot: 4 or 10 seconds
- Flame Establishing Period – Main: Intermittent
- PrePurge: Configured via ST7800A Plug-in Purge Timer
- Airflow Switch Check: Included
- Interlocks: Selectable
- Mounting: Requires Q7800A or Q7800B Subbase
- Flame Amplifier Compatibility: R7847, R7848, R7849, R7851, R7852, R7861, R7886
- LED Indicators: 5 LEDs for burner sequence and lockout status
- Nonvolatile Memory: Stores lockout history and flame signal strength
- Operating Temperature Range: -40°F to +140°F (-40°C to +60°C)
- Vibration Tolerance: 0.5 G
- Weight: 1 lb 15 oz (0.9 kg)
- Condition: New
Key Features
- Valve Proving System to verify fuel valve integrity before ignition
- Semi-automatic operation with manual burner start input
- Compatible with a wide range of Honeywell flame amplifiers
- Built-in system diagnostics and fault code memory
- LED indicators for real-time status and fault alerts
- Modular design supports optional remote display and reset modules
- Designed for use in systems requiring high safety reliability
Compatible Accessories
- Q7800A / Q7800B Subbase
- ST7800A Plug-in Purge Timer
- S7800A Keyboard Display Module
- R7847, R7848, R7849, R7851, R7852, R7861, R7886 Flame Amplifiers
- S7830 Expanded Annunciator
- S7810A ControlBus and S7810M Modbus Communication Modules
Industry Applications
- Industrial burner systems
- Steam and hot water boilers
- Fuel-fired ovens and process heating
- HVAC equipment with combustion safety requirements
Installation & Maintenance Notes
- Install with compatible subbase and purge timer card
- Ensure VPS logic is wired per system requirements
- Select the correct flame amplifier for the detection method used
- Use display module or LED indicators to monitor system sequence and status
- Inspect wiring, sensors, and safety interlocks regularly for reliable performance
This part is normally stock.
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