Honeywell RM7895C1020 On-Off Primary Burner Control with Prepurge, Interrupted Pilot & Early Spark Termination – 120V

RM7895C1020 On-Off Primary Control
Prepurge, Interrupted Pilot, 120 Vac, Early Spark Termination, Shutter Drive Output

The RM7895C1020 is a microprocessor-based On-Off primary burner control designed for automatically or semi-automatically fired gas, oil, coal, or combination fuel single burner applications. It includes prepurge timing and supports early spark termination for interrupted pilot systems. The control offers enhanced burner management functionality and diagnostics, making it ideal for industrial heating systems requiring reliable sequencing and safety.

Key Features

• Prepurge functionality for safe startup

• Interrupted pilot with early spark termination

• Automatic burner sequencing and flame supervision

• Shutter drive output for integrated control of air dampers

• Five diagnostic LEDs display operational status and fault codes

• Optional PC interface, keyboard display, remote annunciators, and system management software

• Interchangeable plug-in flame amplifiers for flexible sensor use

• Optional remote or local fault annunciation

• Nonvolatile memory retains history and system state after power loss

• Optional remote reset and detailed report generation

• Selectable lockout or recycle on loss of flame

• Airflow switch check ensures reliable combustion air flow

Technical Specifications

Required Components

• Wiring Subbase: Q7800A or Q7800B

• Flame Amplifier: R7847, R7848, R7849, R7851, R7852, R7861, or R7886

• Purge Timer: ST7800A Plug-in Timer Card

Common Applications

• Commercial and industrial single burner systems

• Gas, oil, coal, or combination fuel burners with airflow and sequencing controls

• Systems requiring early spark cutoff and shutter drive integration