Honeywell R7847A1041 Fulton Flame Amplifier

The Honeywell R7847A1041 is a rectification-type flame amplifier designed for use with the Honeywell 7800 Series burner control systems. This module provides reliable flame signal amplification without self-check functionality and offers a flame failure response time of 2 or 3 seconds, depending on system configuration. It is compatible with rectifying flame rods and ultraviolet flame sensors, making it suitable for gas, oil, and coal-fired applications.

Technical Specifications

  • Model: R7847A1041 (Manufactured OEM part for Fulton Boilers)

  • Flame Detection Type: Rectification and ultraviolet (UV)

  • Response Time: 2 or 3 seconds flame failure response

  • Self-Check: No

  • Flame Signal Range: 0.0 to 5.0 VDC

  • Color Code: Green

  • Operating Voltage: Supplied by 7800 Series control

  • Mounting: Plug-in module for 7800 Series

Key Features

  • Works with rectifying flame rods and UV flame sensors

  • No self-check function, ideal for non-critical or continuously monitored systems

  • 2 or 3 second FFRT provides prompt flame failure detection

  • Compatible with Honeywell’s 7800 Series primary safety controls

  • Simple plug-in design for quick installation and replacement

  • Provides reliable signal conditioning for safe burner operation

Compatible Flame Sensors

  • Flame Rods (Gas):

    • C7004

    • C7005

    • C7007

    • C7008

    • C7009

    • Q179 Series

  • Ultraviolet Flame Sensors (Gas, Oil, Coal):

    • C7012A

    • C7012C

Compatible Controls & Components

  • Honeywell 7800 Series relay modules

  • Q7800 universal wiring subbases

  • Rectifying flame rod assemblies

  • UV flame scanners (C7012 series)

Industry Applications

  • Boilers and burners firing gas, oil, or coal

  • Commercial and industrial heating systems

  • HVAC and energy plant combustion control

  • Process heating requiring flame verification

  • Retrofit systems using rectification-type flame detection

Installation & Maintenance Notes

  • Plug into designated slot on 7800 Series control chassis

  • Ensure proper flame sensor type and wiring are used

  • Verify correct FFRT setting during commissioning

  • Periodically test flame signal strength using built-in test jacks

  • Only use in systems where self-check functionality is not required

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