The Honeywell RM7800M1011 Burner Control W/ON/OFF PRE-Ignition, RUNNING, LOW FIRE INTER- LOCKS, 60HZ. CSA/UL SAFETY SEQUENCE.
Overview of RM7800M1011 Honeywell Burner Control
The RM7800M1011 is a microprocessor-based burner control unit in the 7800 Series, tailored for On/Off control with Low Fire (LF) proving and proven purge logic. It includes an integrated display and supports programmable timing for safe burner sequencing. This control is ideal where you want reliable safety, straightforward configuration, and built-in diagnostics in a compact modular package.
Key Features & Benefits
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On/Off control mode with Low Fire proving and flame supervision
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Built-in display module for diagnostics, fault codes, and status monitoring
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Interchangeable plug-in amplifiers compatible with 7800 family
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Nonvolatile memory retains fault history and lockout status even after power loss
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Fully modular: requires subbase, amplifiers, and purge card to operate
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Configurable purge timing, flame establishing intervals, and interlocks
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Supports airflow checks and running interlocks for system safety
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Compact housing with easy installation and maintenance access
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) | 7 kg |
| Comments | Includes S7800 Display, On/Off-LF 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 | Running |
| 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 | 5 G environment |
| Approvals, Swiss RE | Acceptable |
| Approvals, Factory Mutual | Report No. 1V9AO.AF. |
Applications
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Oil, gas, or combination burners in commercial or industrial settings
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Retrofitting older controls to modern safety logic with diagnostics
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Systems needing modular expandability and easy servicing
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Zones requiring straightforward On/Off sequencing with optional low-fire logic
Installation & Maintenance Notes
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Install on compatible subbase and mount securely
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Add necessary modules: purge timer, flame amplifier, etc.
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Configure timing (purge, flame establishment, interlocks) via the display
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On commissioning, verify flame detection, interlock responses, and lockout codes
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Use fault history stored in memory to diagnose intermittent issues
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Periodically check wiring, connections, and verify LED indicators



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