On-Off Modulating Control with Prepurge and Intermittent Pilot
The Honeywell RM7895B2013 is a microprocessor-based primary burner control designed for automatically fired gas, oil, or combination-fuel single-burner applications. This advanced burner controller offers a full range of flame safeguard functions, including automatic sequencing, flame monitoring, system diagnostics, and selectable safety lockout features. With support for prepurge and intermittent pilot configurations, it ensures reliable and compliant burner operation across commercial and industrial heating systems.
Technical Specifications
- Model: RM7895B2013
- Series: RM7800
- Product Type: Modulating Primary Burner Control
- Voltage: 120V AC (+10%, -15%)
- Frequency: 50/60 Hz (±10%)
- Application: On-Off Burner with Prepurge
- Pilot Type: Intermittent
- Flame Establishing Period – Pilot: 4 to 10 seconds
- Flame Establishing Period – Main: Intermittent
- Interlocks: Selectable
- PrePurge: Set by ST7800A Purge Timer Module
- Airflow Switch Check: Dynamic
- Delayed Main Valve: No
- Used With: 7800 Series Flame Signal Amplifiers
- Required Components:
- Q7800A or Q7800B Subbase
- R7847, R7848, R7849, R7851, R7852, R7861, or R7886 Amplifier
- ST7800A Purge Timer Card
- Protection Rating: NEMA 1
- Vibration Tolerance: 0.5 G environment
- Dimensions (with Q7800A): 5″ W x 5″ H x 5-1/4″ D
- Dimensions (with Q7800B): 5″ W x 5″ H x 6-3/32″ D
- Weight: 1 lb 15 oz (0.9 kg)
- Temperature Range (Storage/Shipping): -40°F to +140°F (-40°C to +60°C)
- Condition: New
Key Features
- Supports on-off and modulating burner systems
- Intermittent pilot for enhanced control and efficiency
- Prepurge timing controlled by plug-in purge card
- Compatible with full range of RM7800 series flame amplifiers
- Blinking LED indicators for lockout and sequence status
- Stores up to 6 lockout conditions and burner history
- Optional remote reset and annunciation
- Supports keyboard display modules and reporting tools
Compatible Accessories
- Q7800A / Q7800B Universal Subbases
- ST7800A Purge Timer Module
- S7800A and LCD Keyboard Display Modules
- DATA CONTROLBUS™ Modules
- Flame rods and UV/IR flame scanners
Industry Applications
- Packaged boiler systems
- Commercial burners
- Industrial heating and processing equipment
- Combustion systems requiring NFPA-compliant safety
Installation & Maintenance Notes
- Install with correct subbase and amplifier
- Set prepurge timing with ST7800A timer card
- Confirm correct flame amplifier and sensor configuration
- Monitor system status via onboard LEDs or optional display module
- Review and record lockout conditions for system diagnostics