Product Details
The Honeywell R7849A1023, also cataloged as the R7849A1023 UV Flame Amplifier Module, operates as a dedicated hardware component for ultraviolet flame signal detection and amplification within 7800 Series burner control platforms.
Hardware Specifications
| Parameter | Specification |
| Model | R7849A1023 |
| Brand | Honeywell |
| Origin | USA |
| Weight | 0.15 lbs (0.07 kg) |
| Dimensions | Standard 7800 Series plug-in module footprint |
| Operating Temp | -40 to +60 deg C (-40 to +140 deg F) |
| Power Consumption | Low-power solid-state amplifier circuit |
| Flame Detection Type | Ultraviolet (UV) |
| Flame Failure Response Time | 2.0 to 4.0 seconds |
| Compatible Flame Sensors | C7027, C7035, C7044 UV Flame Detectors |
| Test Voltage Range | 0.0 to 5.0 VDC (at front test jacks) |
| System Compatibility | 7800 Series Relay Modules (EC/RM7800) |
Galvanic Isolation and HART Protocol Interfacing
The amplifier module incorporates internal galvanic isolation barriers designed to decouple high-voltage flame detection circuitry from low-voltage microprocessors within the host 7800 Series relay module. Optical decoupling stages prevent ground loops and high-frequency electrical noise from corrupting flame signal voltage outputs. The solid-state amplifier conditions microampere-level AC signals generated by C7027/C7035/C7044 UV sensors into a normalized 0.0 to 5.0 VDC analog signal readable across front panel test points and system diagnostic buses.
Frequently Asked Questions
Q: What flame failure response time (FFRT) is configured on the R7849A1023 amplifier?
A: The R7849A1023 provides a standard flame failure response time of 2.0 to 4.0 seconds upon loss of detected ultraviolet radiation.
Q: Which Honeywell flame sensors are compatible with this amplifier?
A: The module directly interfaces with Honeywell C7027, C7035, and C7044 miniature ultraviolet flame detectors.
Field Installation Guidelines
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Ensure main electrical power to the 7800 Series relay module base is de-energized prior to inserting or removing the amplifier module.
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Align the edge connector pins on the back of the R7849A1023 with the designated amplifier slot on the 7800 Series relay module.
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Press the module firmly into place until the side retaining tabs click into position.
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Measure DC flame voltage across the front panel positive (+) and negative (-) test jacks using a high-impedance voltmeter (minimum 0.8 VDC required for stable burner operation).
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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