Description
RM7890A1056 On-Off Primary Control, 4 or 10 Second Fixed Pilot
Microprocessor-based integrated primary burner control for gas, oil, or combination fuel single burner applications, 120 Vac
The RM7890A1056 is a microprocessor-driven burner control designed for automatic sequencing, flame supervision, and diagnostics. It provides enhanced safety and operational features for automatically fired single burner systems with fixed pilot flame establishing periods of 4 or 10 seconds.
Key Features
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Automatic burner sequencing with flame supervision
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System status indication and troubleshooting via five LEDs
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Interchangeable plug-in flame amplifiers for flexible flame detection
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Nonvolatile memory retains history and sequencing data after power loss
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Optional local or remote fault annunciation and reset capability
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Selectable recycle or lockout on flame failure
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Compatible with PC interface, keyboard display module, DATA CONTROLBUS™ module, remote display module, first-out expanded annunciator, and combustion system manager software
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Requires subbase and flame amplifier for operation
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Flame Establishing Period — Pilot: Fixed 4 or 10 seconds
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Flame Establishing Period — Main: Intermittent flame
Technical Specifications
| Specification | Value |
|---|---|
| Application | Primary Control |
| Voltage | 120 Vac |
| Pilot Flame Establishing Period | 4 or 10 seconds |
| Main Flame Establishing Period | Intermittent |
| Diagnostic Display | 5 LEDs |
| Memory | Nonvolatile |
| Reset Options | Optional local or remote |