Product Overview
The Honeywell R7852A1001 is a dynamic self-checking flame amplifier designed to plug into 7800 series relay modules. It amplifies signals from flame detectors, monitors system integrity via internal diagnostics, and ensures safe shutdown in the event of a fault. This amplifier outputs a 0.0 to 5.0 V DC flame signal and features test jacks for diagnostic access.
Key Specifications of R7852A1001 Honeywell Infrared Flame Amplifier
| Specification | Value / Detail |
|---|---|
| Flame Signal Output | 0.0 to 5.0 V DC |
| Self-Check Type | Dynamic self-check (tests electronics and detector integrity) |
| Mounting / Connection | Edge connector for 7800 series relay modules |
| Diagnostic Access | Test jacks for measuring flame signal voltage |
| Orientation | Keyed connector for proper insertion |
| Detection Type | Works with compatible optical / UV flame sensors |
| Shutdown Behavior | Locks out circuit in the event of system failure |
| Identification | Color-coded labels to identify flame amplification type |
Features & Benefits
Dynamic self-check capability ensures amplifier and detector integrity during operation
Plug-in design simplifies replacing or installing into 7800 relay modules
Diagnostic test jacks allow on-site measurement of flame signal voltage without removing the module
Color-coded labeling reduces wiring errors and aids maintenance
Broad output range (0–5 V) supports versatile control system interfacing
Automatic lockout on failure helps maintain safety in combustion systems
Applications
Combustion control systems requiring amplified flame signals
Flame safeguard systems within boilers, furnaces, or industrial burners
Retrofit or upgrade of legacy flame amplifier modules
Safety-critical environments where ongoing diagnostics are essential
Installation & Maintenance Notes
Ensure correct orientation of the amplifier before inserting into the module rack
Use test jacks to measure flame signal voltage during commissioning and debugging
Keep amplifier and its connectors free from dust, moisture, and corrosion
Replace the amplifier if self-check diagnostics indicate failure or flame signal becomes erratic
Avoid excessive mechanical stress when inserting or removing the module
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