RM7840L2026 Honeywell Burner Control
$3,242.20
Programmer Ctrl. LHL-LF&HF Proven Purge
The RM/EC7800 2000 Series must be used with subbases Q7800A2005/U, Q7800B2003/U, Q7800B2011/U
5 in stock
UPC: 85267890168
Overview
The RM7840L2026 is a microprocessor-based burner control module in the 7800/7840 Series, designed for single-burner industrial and commercial combustion systems. It provides robust automatic sequencing, flame supervision, fault diagnostics, and non-volatile memory for lockout history. Built for demanding environments, this module ensures safe operation of gas, oil or dual-fuel burners.
Features
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Microprocessor-controlled sequencing for safe burner start-up and shutdown
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Flame supervision logic monitors pilot and main flames for reliable operation
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Non-volatile memory retains fault and lockout history after power loss
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LED status indicators display power, pilot, flame and fault conditions
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Compatible with Honeywell 7800/7840 Series wiring subbases and modular accessories
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Wide ambient operating temperature range suitable for industrial settings
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UL, CSA and FM approved for burner safety applications
Specifications
| Application | Programming Control |
| Dimensions (in.) | 5 in. wide x 5 in. high x 5 1/4 in. deep with Q7800A Subbase x 6 3/32 in. deep with Q7800B Subbase |
| Dimensions (mm) | 127 mm wide x 127 mm high x 133 mm deep with Q7800A Subbase x 155 mm deep with Q7800B Subbase |
| Weight (lb) | 1 lb 13 oz |
| Weight (kg) | 0.8 kg |
| Comments | LHL-LF&HF Proven |
| Frequency | 50 Hz; 60 Hz (±10%) |
| Approvals, Underwriters Laboratories Inc. | Component Recognized, File No. MP268; Guide No. MCCZ. |
| Approvals, Canadian Standards Association | Certified, File No. LR95329-3. |
| Voltage | 120 Vac (+10, -15%) |
| Shipping and Storage Temperature Range (F) | -40 F to +140 F |
| Shipping and Storage Temperature Range (C) | -40 C to +60 C |
| Approvals, Federal Communications Commission | FCC Part 15, Class B, Emissions. |
| Flame Establishing Period – Pilot | 4 sec or 10 sec |
| Flame Establishing Period – Main | 10 sec or Intermittent |
| Interlocks | Lockout |
| Preignition | Yes |
| PrePurge | Determined by ST7800A Purge Timer Card |
| PostPurge | 15 sec |
| Early Spark Termination | Yes, 5 sec |
| Required Components | Q7800A,B Universal Wiring Subbases. R7847, R7848, R7849, R7851, R7852, R7861, or R7886 Flame Signal Amplifier. ST7800A Plug-in Purge Timer Card. |
| AirFlow Check | User selectable |
| Second Stage Pilot Valve | Intermittent |
| Pilot Type | interrupted |
| Vibration | 0.5 G environment |
| Approvals, Control Safety Devices | Acceptable: CSD-1 |
| Approvals, Swiss RE | Acceptable |
| Approvals, Factory Mutual | Report No. OX4A5.AF. |
Applications
The RM7840L2026 is suited for:
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Industrial and commercial boilers and furnaces
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Process and utility burner systems
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Gas, oil or dual-fuel burner applications
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Retrofits of legacy burner control systems
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Plant environments requiring reliable sequencing, diagnostics and flame supervision
Benefits
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Improves system safety with integrated flame supervision and fault diagnostics
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Reduces maintenance downtime thanks to lockout history retention and LED indicators
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Flexible configuration for varied burner ignition setups
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Modular design enables streamlined installation and servicing
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Built to endure wide-range environmental conditions in industrial usage
| Weight | 4 lbs |
|---|---|
| Dimensions | 9 × 9 × 9 in |
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