The Honeywell R7847B1064 0.8 OR 1 SEC Flame FAILURE RESPONSE TIME. FOR USE W/C7012A,C.\
Honeywell R7847B1064 Flame Amplifier – Ampli-Check Rectification Module (0.8 / 1.0 Second FFRT)
Product Overview
The Honeywell R7847B1064 Flame Amplifier is a rectification flame amplifier with Ampli-Check self-checking capability, designed for use with Honeywell 7800 Series relay modules. It provides fast and dependable flame safeguard control with a selectable flame failure response time (FFRT) of 0.8 or 1.0 seconds. The amplifier delivers a 0-5 Vdc flame signal that can be measured using built-in flame signal test jacks, ensuring accurate flame strength monitoring.
Compatible with rectifying flame rods (C7004, C7005, C7007, C7008, C7009, Q179) and certain UV flame detectors, the R7847B1064 is ideal for commercial and industrial burner systems requiring quick flame detection and reliable flame amplifier performance.
Key Features
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Selectable FFRT: 0.8 or 1.0 second flame failure response for enhanced burner safety.
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Flame Signal Range: 0.0 – 5.0 Vdc output for precise flame monitoring.
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Ampli-Check Diagnostics: Self-checking functionality verifies amplifier and sensor integrity.
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Detection Type: Rectification flame amplifier; works with both flame rods and compatible UV flame sensors.
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Relay Compatibility: Plug-in design with keyed PCB connector for Honeywell 7800 Series relay modules.
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Test Jacks: Built-in flame signal test jacks allow easy measurement of flame signal voltage.
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Color Identification: Green label for rectification flame amplifier type.
Technical Specifications
| Specification | Detail |
|---|---|
| Model Number | Honeywell R7847B1064 Flame Amplifier |
| Flame Failure Response Time (FFRT) | 0.8 or 1.0 seconds |
| Flame Signal Voltage Output | 0.0 – 5.0 Vdc |
| Detection Type | Rectification (Ampli-Check self-checking) |
| Compatible Flame Rods | C7004, C7005, C7007, C7008, C7009, Q179 |
| Compatible UV Flame Sensors | C7012A, C7012C (verify application) |
| Relay Module Compatibility | Honeywell 7800 Series relay modules |
| Flame Signal Test Jacks | Yes – for measuring flame signal strength |
| Self-Check | Ampli-Check diagnostics with lockout on failure |
| Label Color | Green |
| Operating Temperature | −40°F to +140°F (−40°C to +60°C) |
| Storage Temperature | −40°F to +150°F (−40°C to +65°C) |
| Humidity Rating | Up to 85% RH, non-condensing |
Applications
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Commercial and industrial burner safety control systems
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Gas, oil, or mixed-fuel burners requiring fast flame detection
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Replacement flame amplifier for Honeywell 7800 Series relay modules
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Flame safeguard systems needing Ampli-Check self-checking functionality
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Installations using rectification flame rods or UV flame detectors
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Applications requiring 0.8 second FFRT flame amplifier or 1.0 second flame amplifier response
Benefits
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Reliable operation with Ampli-Check self-check diagnostics for maximum safety.
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Faster shutdown response with selectable 0.8 or 1.0 second flame failure response time.
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Accurate flame signal monitoring using the built-in 0-5 Vdc flame amplifier signal test jacks.
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Easy maintenance with plug-in keyed design for 7800 Series compatibility.
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Field-ready identification with green-label coding for rectification flame amplifier modules



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