RM7838A2014 Honeywell Burner Control
$2,222.30
RM7838A Manual Start Industrial Primary Control with Purge-Includes S7800 Display
The RM/EC7800 2000 Series must be used with subbases Q7800A2005/U, Q7800B2003/U, Q7800B2011/U
Overview
The Honeywell RM7838A2014 is a microprocessor-based semi-automatic ON/OFF burner control in the RM7800 / RM7838A family, designed for 120 VAC systems. It supports full burner sequencing, flame supervision, diagnostics, a 30-second postpurge, and memory retention of fault history. Built for demanding industrial and commercial combustion environments, it offers high reliability, modular design, and support for interlocks and airflow checks.
Features
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Semi-automatic ON/OFF primary burner control for 120 VAC
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Microprocessor logic with self-diagnostics and fault detection
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Five LED indicators for sequence status and fault codes
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Retains lockout/fault history in nonvolatile memory
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Selectable pilot flame establishing times (4 sec or 10 sec)
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Main flame establishment in intermittent mode
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Fixed 30-second postpurge cycle
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Supports preignition interlocks, airflow switch check
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Modular plug-in design for easy replacement
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Compatible with standard subbases and purge timers
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Approved for industrial safety and control standards
Specifications
| Application | Semi Automatic 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 |
| Item Type | Product |
| 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 | Intermittent |
| Interlocks | Running |
| PrePurge | Determined by ST7800A Purge Timer Card |
| Required Components | Q7800A,B Universal Wiring Subbases. R7847, R7848, R7849, R7851, R7852, R7861, or R7886 Flame Signal Amplifier. ST7800A Plug-in Purge Timer Card. |
| Pilot Type | intermittent |
| Vibration | 0.5 G environment |
| Approvals, Control Safety Devices | Acceptable: CSD-1 |
| Approvals, Swiss RE | Acceptable |
| Approvals, Factory Mutual | Report No. OX4A5.AF. |
Applications
Use the RM7838A2014 in burner management systems that need reliable semi-automatic control with safety sequencing, flame detection, and purge logic. Typical applications:
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Industrial boilers and packaged furnaces
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Process heaters, ovens, and kilns
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Gas or oil fuel single burner systems
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Systems requiring modular, serviceable control units
It supports safe ignition startup, continuous flame monitoring, and automatic shutdown on fault detection.
Benefits
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Integrated flame safeguard and sequencing in one module
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Modular plug-in design for fast maintenance and replacement
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Diagnostic LED indicators simplify troubleshooting
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Retention of fault history aids service diagnosis
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Designed for industrial use with safety standard compliance
| Weight | 4 lbs |
|---|---|
| Dimensions | 9 × 9 × 9 in |
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