R7852B1009 Honeywell Flame Amplifier Datasheet
Product Overview
The Honeywell R7852B1009 is a plug-in infrared flame amplifier featuring Ampli-Check technology for advanced safety and diagnostics. It is designed to work with Honeywell 7800 Series relay modules, amplifying signals from infrared flame sensors while continuously self-checking for system integrity. If a fault or flame loss occurs, the amplifier locks out the burner control for safe shutdown.
Key Specifications of R7852B1009 Honeywell Infrared Ampli-Check Flame Amplifier
| Specification | Value / Detail |
|---|---|
| Model | R7852B1009 |
| Type | Infrared Ampli-Check flame amplifier |
| Compatible Sensors | Infrared flame sensors (e.g., C7915 series) |
| Flame Failure Response Time (FFRT) | Selectable 2.0 or 3.0 seconds |
| Flame Signal Output | 0.0 to 5.0 V DC |
| Self-Check | Ampli-Check diagnostics to verify sensor and amplifier function |
| Mounting | Plug-in edge connector for 7800 series relay modules |
| Color Coding | Red/white labeling for infrared amplifier type |
Features & Benefits
Ampli-Check technology provides continuous system diagnostics for enhanced safety.
Selectable FFRT (2.0 or 3.0 seconds) offers flexibility depending on application requirements.
0–5 V DC output signal allows straightforward monitoring and troubleshooting.
Plug-in design enables easy installation and replacement within Honeywell 7800 Series systems.
Color-coded identification reduces installation errors and speeds maintenance.
Applications
Industrial and commercial burners requiring infrared flame detection.
Boiler and furnace flame safeguard systems.
Retrofit or replacement amplifier in Honeywell 7800 Series burner control systems.
Environments demanding high-reliability diagnostics and automatic safety lockout.
Installation & Maintenance Notes
Confirm amplifier orientation before inserting into the relay module.
Use built-in test jacks to measure flame signal voltage during commissioning.
Replace amplifier if diagnostics indicate failure or if flame signal is unstable.
Keep connectors and terminals free from corrosion, dust, or debris.
Handle with care during installation to avoid damage to the connector edge.



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