Honeywell RM7800L1012 Programmable Control
$3,185.00
120 V Burner Control with airflow switch check option, for Automatic Single Burner Systems. Replaces the BC7000/PM720L series of Honeywell products.
1 in stock
Description
- Microprocessor Primary Control: Provides automated burner startup sequencing, pre-purge timing, ignition control, and continuous safety monitoring for commercial gas and oil burners.
- Included Keyboard Display Module: Ships complete with an S7800 Keyboard Display Module (KDM) for real-time status readout, first-out fault diagnostics, and parameter configuration.
- Interchangeable Flame Amplifiers: Accepts all R78 series plug-in flame signal amplifiers, allowing easy integration with existing UV, infrared, flame rod, or dynamic self-check sensors.
- Five-Function Run/Test Switch: Allows service technicians to pause the burner sequence in hold or test modes for controlled safety testing, purge timing adjustments, and burner tuning.
- Five Diagnostic Status LEDs: Features front-panel LEDs for Power, Pilot, Flame, Main, and Alarm to deliver instant visual feedback on current sequence status.
- Non-Volatile Memory Storage: Retains historical fault files, cycle counts, and lockout status even after complete loss of line voltage power.
- External Electrical Voltage Check: Designed with front-accessible test points to allow quick meter readings of terminal voltages without disturbing wiring connections.
- Flexible Communication Options: Supports local or remote annunciation and interfaces with Modbus protocols for remote plant monitoring and SCADA integration.
Documentation
Technical Specifications
| Part Number | RM7800L1012 |
|---|---|
| Series | 7800 Series Burner Control |
| Manufacturer | Honeywell |
| Voltage | 120 VAC, 50/60 Hz |
| Ignition Trial Time | 4 seconds |
| Pre-Purge Time | 30 seconds |
| Recycle/Non-Recycle | Non-recycle |
| Operating Temperature | -40°F to 140°F (-40°C to 60°C) |
| Relative Humidity | Up to 85% (non-condensing) |
| Diagnostics | Built-in LED status indication & remote diagnostics capability |
| Approval Standards | UL, FM, CSA Approved |
| Weight | 5 lbs |
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Description
The Honeywell RM7800L1012 Programmable Burner Control is a microprocessor-based primary flame safeguard relay module designed for automatically fired gas, oil, or combination fuel single-burner applications. Serving as a full-featured combustion safeguard, the RM7800L1012 manages automatic ignition sequencing, safety pre-purge timing, pilot and main flame monitoring, and safety shutdown protection. Equipped with an included Keyboard Display Module (KDM), non-volatile memory, five diagnostic LEDs, and a five-function Run/Test switch, this 120V AC relay module provides advanced fault annunciation and operating history tracking. Its interchangeable plug-in flame signal amplifiers ensure broad compatibility with existing Honeywell optical UV, infrared, flame rod, and dynamic self-checking flame detectors across industrial boilers, commercial furnaces, and thermal process heating systems.
Frequently Asked Questions
What is the primary function of the Honeywell RM7800L1012 burner controller?
The RM7800L1012 serves as a microprocessor-based flame safeguard relay that automatically controls and monitors the startup, purge, ignition, firing, and shutdown sequences of single-burner gas, oil, or dual-fuel equipment.
Does the Honeywell RM7800L1012 come with a display module included?
Yes, the RM7800L1012 package includes an S7800 Keyboard Display Module (KDM) that mounts directly to the front of the relay module for local status monitoring and diagnostic reporting.
Which flame detectors are compatible with the RM7800L1012 control module?
The RM7800L1012 is compatible with virtually all existing Honeywell flame detectors, including UV scanners, optical infrared sensors, flame rods, and self-checking sensors, provided the corresponding R78 series plug-in amplifier is installed.
How does the five-function Run/Test switch assist in system maintenance?
The Run/Test switch lets field engineers freeze the burner control sequence in specific phases (such as pre-purge or pilot ignition trial) to test safety switches, inspect pilot flame alignment, and adjust fuel valves safely.
What happens to diagnostic data and lockout history during a power outage?
The RM7800L1012 uses non-volatile onboard memory, ensuring that all historical fault data, total operating cycles, and exact lockout cause codes remain stored and retrievable after power is restored.
