Product Details
The Honeywell R7861A1026, also cataloged as the R7861A1026 Dynamic Self-Check Ultraviolet Flame Amplifier, operates as a dedicated hardware component for solid-state flame signal processing and safety interlock execution within Honeywell 7800 Series relay module architectures.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | R7861A1026 |
| Brand | Honeywell |
| Origin | Standard Industrial Manufacturing |
| Weight | 2 kg |
| Dimensions | Standard 7800 Series plug-in module profile |
| Operating Temp | -40 deg C to +60 deg C (-40 deg F to +140 deg F) |
| Power Consumption | Low-voltage relay module bus powered |
| Flame Signal Range | 0.0 to 5.0 VDC |
| Connector Type | Keyed printed circuit board edge connector |
Channel-To-Channel Isolation And Loop Protocol Integrity
The amplifier integrates solid-state circuitry designed to process ultraviolet signals from C7061 sensors while maintaining strict electrical isolation between high-voltage combustion interlocks and low-voltage system logic. The dynamic self-check mechanism continuously validates all electronic components and UV detectors in the flame detection loop. In the event of a detection system failure, the 7800 Series relay module immediately executes a safety shutdown to prevent uncombusted fuel accumulation. Integrated test jacks permit direct measurement of amplifier signal voltage (0.0 to 5.0 VDC) during active combustion cycles.
Frequently Asked Questions
Q: Can the R7861A1026 flame amplifier be hot-swapped while the 7800 Series relay module is powered?
A: No. Main electrical power and burner control circuits must be completely isolated and locked out before inserting or removing the amplifier module from the relay base to prevent internal component damage or accidental lockout.
Q: How does the dynamic self-check function operate during burner firing?
A: The circuit periodically tests the flame detector and internal electronic components without interrupting burner operation, forcing a safety shutdown if any part of the detection loop fails.
Field Installation Guidelines
- Ensure all primary electrical power to the burner management panel and 7800 Series relay module is locked out and tagged out prior to handling.
- Inspect the keyed printed circuit board edge connector on the amplifier to ensure proper physical orientation before inserting it into the 7800 Series relay module slot.
- Push the module firmly into position until fully seated, ensuring retention latches engage securely.
- Connect a digital voltmeter to the amplifier test jacks to verify that the flame signal voltage registers within the specified 0.0 to 5.0 VDC range during initial burner commissioning.
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.
Tech & Buying Guide
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