RM7800L2012 Honeywell Burner Control
$4,250.00
Programmer Ctrl LHL-LF&HF Proven Purge
The RM/EC7800 2000 Series must be used with subbases Q7800A2005/U, Q7800B2003/U, Q7800B2011/U
RM7800L2012 Honeywell Burner Control Datasheet
Overview
The Honeywell RM7800L2012 is a modular burner control unit in the 7800 Series. It supports full sequencing, safety interlocks, diagnostics, and works with peripheral modules like displays and sensors. It is built for reliability in oil, gas, or mixed-fuel burner systems requiring modern control and monitoring features.
Product 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 10 oz |
| Weight (kg) | 0.7 kg |
| Comments | Includes S7800 Display, 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 15 sec |
| 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 | Interrupted |
| Pilot Type | interrupted |
| Vibration | 0.5 G environment |
| Approvals, Swiss RE | Acceptable |
| Approvals, Factory Mutual | Report No. 1V9AO.AF. |
Key Features & Benefits
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Modular architecture enables addition of displays and control modules
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Diagnostic lights and fault memory simplify service and recovery
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Compatible with peripheral modules from the 7800 family
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Designed for use in varied fuel systems (oil, gas, mixed)
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Reliable, tested design suited to industrial and commercial burner systems
Applications
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Boiler and furnace burner control systems
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Retrofitting older single-function controllers to modular 7800 systems
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Installations requiring diagnostics, display access, and modular expandability
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Multi-fuel burner systems demanding flexible control architecture
Installation & Maintenance Notes
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Install the module into its keyed slot within the control chassis
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Attach required peripheral modules (display, amplifiers, sensors) as needed
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After wiring, use the display or diagnostic module to verify status and fault codes
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Use fault memory and diagnostics for ongoing monitoring and fault resolution
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Periodically check connector integrity, wiring, and module seating
| Weight | 4 lbs |
|---|---|
| Dimensions | 9 × 9 × 9 in |
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