R7851C1008 Honeywell Dynamic Self-Check Flame Amplifier, 2-3 seconds
$1,190.00
R7851C1008 self-check flame amplifier 2 or 3 second. For 7800 and R7140 relay; Flame Signal Amplifier, 2 Second or 3 Second Flame Failure Response Time, Dynamic Self Check, Gas, Oil, Coal: Optical (UV Only ) Flame Sensor C7961E and C7961F, Use with 7800 Series Primary Safety Control, Color: White, Flame Signal Strength Ranges from 0.0-5 Vdc
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R7851C1008 Honeywell Dynamic Self-Check Flame Amplifier Datasheet
Overview
The Honeywell R7851C1008 is a dynamic self-checking flame amplifier designed to work with 7800 series relay modules in burner control systems. It amplifies the signal from optical (UV) flame detectors, monitors system integrity, and triggers safe shutdowns if flame signal or internal diagnostics fail. This amplifier features selectable flame failure response times and robust diagnostic capabilities.
Specifications of R7851C1008 Honeywell Flame Amplifier self check, 2-3 seconds
| Specification | Detail |
|---|---|
| Model | R7851C1008 |
| Amplifier Type | Optical (UV) / Dynamic Self-Check |
| Flame Failure Response Time (FFRT) | Selectable 0.8 or 3.0 seconds |
| Flame Signal Output Range | 0.0 to 5.0 V DC |
| Mounting / Interface | Plug-in edge connector for 7800 series modules |
| Self-Check Capability | Tests detectors and electronics to detect failures |
| Diagnostic / Test Features | Flame signal test jacks for voltage measurement |
| Housing / Color | White finish (standard) |
| Compatible Flame Sensors | Optical UV detectors (e.g. C7961 series) |
| Use Case | Amplification in flame safeguard systems |
| Weight & Dimensions (approx.) | Compact size to sit within relay module assembly |
Features & Benefits
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Dynamic self-check technology continuously verifies both the flame sensor and amplifier circuits
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Selectable FFRT lets you choose a 0.8 or 3.0 second flame failure response time
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Outputs a 0–5 V DC flame signal for monitoring and diagnostics
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Plug-in design integrates cleanly with 7800 series relay modules
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Test jacks allow system maintenance technicians to measure flame signal voltage
-
Color-coded labeling helps quickly identify correct flame type compatibility
Applications
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Flame supervision in industrial and commercial burner systems
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Boilers, furnaces, and boilers requiring optical UV flame detection
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Retrofitting or upgrading older flame amplifier modules
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Systems needing self-diagnostic monitoring for safety integrity
Installation & Maintenance Notes
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Insert the amplifier into the keyed socket on the 7800 series relay module
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Use test jacks to verify flame signal voltage during system checks
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Ensure connectors are clean and free of corrosion for reliable operation
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Replace the amplifier if diagnostic self-check faults or flame signal instability occurs
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Keep the surrounding area clean and dry to maintain amplifier longevity
| Weight | 2 lbs |
|---|---|
| Dimensions | 4 × 6 × 2 in |
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