Description
RM7890B1030 On-Off Primary Control w/ Shutter Drive Capability, 4 or 10 sec Fixed Pilot
Microprocessor-based integrated primary burner control for gas, oil, or combination fuel single burner applications, 120 Vac
The RM7890B1030 is a microprocessor-driven primary burner control designed for automatic sequencing, flame supervision, and diagnostics in industrial single burner systems. It features shutter drive capability and supports fixed pilot flame establishing periods of 4 or 10 seconds, enhancing safety and control precision.
Key Features
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Shutter drive output capability for damper or airflow control
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Audible alarm sounds when reset is pushed
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Automatic burner sequencing with flame supervision
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System status indication and fault diagnostics via five LEDs
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Nonvolatile memory stores history and sequencing status after power loss
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Interchangeable plug-in flame amplifiers for flexible flame detection
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Supports optional local or remote annunciation and reset
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Selectable recycle or lockout on flame failure
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Flame Establishing Period for Pilot: Fixed 4 or 10 seconds PFEP (Pilot Flame Establishing Period)
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Flame Establishing Period for Main: Intermittent flame
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Compatible with PC interface, keyboard display module, ControlBus™ module, remote display, first-out expanded annunciator, and combustion system management software
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Requires subbase and flame amplifier for operation
Technical Specifications
| Specification | Value |
|---|---|
| Application | On-Off Primary Control |
| Voltage | 120 Vac |
| Pilot Flame Establishing Period | Fixed 4 or 10 seconds |
| Main Flame Establishing Period | Intermittent |
| Diagnostic Display | 5 LEDs + fault codes |
| Memory | Nonvolatile |
| Reset Options | Optional local or remote |
Required Components
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Wiring Subbase: Q7800A or Q7800B
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Flame Amplifier: R7847, R7848, R7849, R7851, R7852, R7861, or R7886
