Description
RM7896C1010 On-Off Primary Control
Pre & Post-Purge Burner Control with Interrupted Pilot, 120 Vac
The RM7896C1010 is a microprocessor-based On-Off primary burner control designed for industrial and commercial gas, oil, or combination fuel single-burner applications. It provides enhanced safety features including pre-purge and post-purge, interrupted pilot operation, and plug-in amplifier compatibility.
Key Features
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Integrated burner sequencing, flame supervision, and diagnostics
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Interrupted pilot operation
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Programmable pre- and post-purge sequences (post-purge programmable with S7800A1142)
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Interchangeable plug-in flame amplifiers for flexible sensing
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Blinking LED fault annunciation with 5 sequence status indicators
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Supports optional keyboard display, PC interface, remote annunciation, and COMBUSTION SYSTEM MANAGER™ software
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Retains system status and fault history in nonvolatile memory after power loss
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Optional local or remote reset and report generation
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Selectable relight or lockout on flame loss
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Includes airflow switch check and delayed main valve
Technical Specifications
| Specification | Value |
|---|---|
| Application | On-Off Primary Control with Pre & Post Purge |
| Voltage | 120 Vac |
| Pilot Type | Interrupted |
| Interlocks | Selectable |
| Prepurge | Determined by ST7800A Purge Timer Card |
| Postpurge | Programmable with S7800A1142 Display |
| Flame Establishing Time | 4 or 10 seconds |
| Airflow Switch Check | Yes |
| LED Indicators | 5 status/fault LEDs |
| Delayed Main Valve | Yes |
| Memory | Nonvolatile |
| Reset Options | Local or Remote |
Required Components
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Subbase: Q7800A or Q7800B Universal Wiring Subbase
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Amplifier: R7847, R7848, R7849, R7851, R7852, R7861, or R7886
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Purge Timer: ST7800A Plug-in Purge Timer Card
Common Applications
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Industrial and commercial single-burner systems
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Applications requiring interrupted pilot and post-purge control
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Systems needing full safety sequencing and diagnostics
