Honeywell RM7890A1015 On-Off Primary Burner Control, Shutter Drive, 4/10s Pilot, 120V – 7800 Series

Honeywell RM7890A1015 On-Off Primary Control with Shutter Drive

The RM7890A1015 is a microprocessor-based, full-function primary burner control designed for automatic operation of gas, oil, or combination fuel single burner applications. It provides reliable sequencing, flame supervision, diagnostics, and fault annunciation for safe burner management.

Key Features

• Microprocessor-based integrated burner control with shutter drive output

• Automatic burner sequencing with intermittent pilot and main flame control

• Flame Establishing Period selectable for pilot: 4 or 10 seconds

• Blinking LED fault annunciation with five LEDs providing sequence status

• Nonvolatile memory stores history and sequencing status during power loss

• Functions include system diagnostics, troubleshooting, and system status indication

• Local or remote annunciation of operation and faults

• Selectable recycle or lockout on loss of airflow or flame

• Airflow switch check and delayed main valve feature

• Supports programmable post purge with S7800A1142 Keyboard Display (sold separately)

• Interchangeable plug-in flame amplifiers required (e.g., R7847A1033)

• Options for PC interface, keyboard display module, DATA CONTROLBUS™ MODULE, remote display, and COMBUSTION SYSTEM MANAGER™ software

Technical Specifications

Notes

• To replace RA890F1346, purchase RM7890A1015 plus R7847A1033 amplifier & Q7800A1005 purge card

• Compatible with R7847/48/49A or B amplifiers

• Supports remote reset and report generation options