🔥 Honeywell R7847A1033 Rectification Amplifier – For 7800 Series
Plug-In Flame Amplifier for Infrared Detection & Safety Shutdown
The Honeywell R7847A1033 Rectification Amplifier is a solid-state plug-in amplifier designed for use with 7800 Series Relay Modules. Engineered to monitor infrared flame signals from C7015 Infrared Flame Detectors, it ensures precise flame detection and reliable safety shutdown in heating systems.
Its advanced design includes Dynamic Ampli-Check circuitry, flame signal test jacks, and fast flame failure response for optimal system safety.
⭐ Key Features
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✔️ Plug-in design for 7800 Series Relay Modules with keyed PCB edge connector
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✔️ Infrared flame detection using C7015 Flame Detector
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✔️ Dynamic Ampli-Check circuitry tests amplifier components 12 times per minute
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✔️ Safety shutdown lockout in case of amplifier failure
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✔️ Flame Failure Response Time (FFRT): 2.0–3.0 seconds depending on module
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✔️ Wide operating temperature: -40°F to 140°F
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✔️ Flame signal test jacks for easy system diagnostics
📏 Specifications Table
| Attribute | Detail |
|---|
| Part Number |
R7847A1033 |
| Brand |
Honeywell |
| Product Type |
Rectification Flame Amplifier |
| Compatible Relay Module |
7800 Series |
| Flame Detector Type |
C7015 Infrared Flame Detector |
| Flame Failure Response Time |
2.0 – 3.0 seconds |
| Operating Temperature |
-40°F to 140°F |
| Dynamic Ampli-Check |
Tests all components 12x per minute |
| Safety Feature |
Locks out 7800 Series Relay Module on failure |
⚠️ Symptoms Indicating Amplifier Replacement
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❌ Burner fails to ignite or maintain flame
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❌ Safety lockout on the 7800 Series Relay Module
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❌ Inconsistent or weak flame detection
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❌ System alarms related to flame failure
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❌ Erratic operation or false flame readings
❓ Frequently Asked Questions
Q: What systems is the R7847A1033 compatible with?
A: It is designed for Honeywell 7800 Series Relay Modules and works with C7015 Infrared Flame Detectors.
Q: What is Dynamic Ampli-Check circuitry?
A: It automatically tests all amplifier components 12 times per minute to ensure safe operation.
Q: What is the flame failure response time?
A: Between 2.0 and 3.0 seconds, depending on the amplifier and relay module combination.
Q: Can this operate in extreme temperatures?
A: Yes — rated for -40°F to 140°F.
Q: How do I test the flame signal?
A: Use the flame signal test jacks to measure amplifier flame signal voltage.
🛒 Shopping Tips
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✔️ Confirm compatibility with your 7800 Series Relay Module
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✔️ Replace amplifiers showing frequent flame lockouts or erratic readings
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✔️ Always test system operation using the flame signal test jacks after installation
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✔️ Only use OEM Honeywell amplifiers to maintain safety compliance
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✔️ Check operating environment is within -40°F to 140°F
