Honeywell RM7897 On/Off Primary Control

Prices starting at:
$863.96
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SKU
RM7897

Honeywell's RM7897 is an integrated burner control for automatically fired gas, oil, or combination fuel single burner applications. Its functions include Power LED blinking fault code on Alarm shutdown, and programmable postpurge using the keyboard display module.

Honeywell's RM7897 is an integrated burner control for automatically fired gas, oil, or combination fuel single burner applications. The burner control module provides automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics, troubleshooting, proof of closure to the standard primary control function, programmable post-purge using the keyboard display module, and a blinking fault code function to the POWER LED on alarm shutdown.

A complete system consists of a relay module, subbase and amplifier. Options include keyboard display module (KDM), PC interface, data control bus, and remote display module.

  • Functions include automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics and troubleshooting
  • Five LEDs provide sequence information. Power LED blinks fault code on Safety Shutdown
  • Subbase, amplifier and purge card are required for operation
  • Optional report generation
  • Selectable recycle or lockout on loss of airflow or flame
  • Programmable post purge using S7800A1142/S7800A2142 Keyboard Display (not provided)

Model Selection Guide

Use this table to find the right model for your application. Don't see the option you need? Call a Lesman sales specialist at 800-953-7626

Flame Establishing Period Pilot Type On/Off Primary Control
Special Features
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Pilot Main Flame
4 or 10 Second Intermittent or Interrupted Intermittent or Interrupted Proof of Closure Input, Pre Purge, Programmable Post Purge, Blinking LED Fault Annunciation, Selectable InterlocksRM7897A1002
10 Second Intermittent or Interrupted Intermittent Pre Purge, Programmable Post Purge, Blinking LED Fault Annunciation, Selectable Interlocks, Delayed Main Valve for Two-Step Firing Applications (Low-High-Low) RM7897C1000
Accessories
Honeywell Plug-In Keyboard and Four-Line Display Module (Required for Post-Purge Feature) S7800A2142
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