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Main product image of On-Off Primary Control w/ Pre & Programmable Post Purge, Shutter Drive
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On-Off Primary Control w/ Pre & Programmable Post Purge, Shutter Drive

Brand:
Honeywell
SKU:
RM7897A2002
Rating:
(2)
Q&A:
(0)
On-Off Primary Control w/ Pre & Programmable Post Purge, Shutter Drive
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RM7897A2002 has been discontinued
Discontinued January 18, 2024
This product has been discontinued.

Description

Overview: Microprocessor-based integrated full-function primary burner control for automatically fired gas, oil, or combination fuel single burner applications. Programmable Post Purge. Requires S7800A1142 Display to program post purge feature.

Features:
  • Includes blinking LED fault annunciation feature
  • Functions include automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics and troubleshooting.
  • Subbase, amplifier and purge card are required for operation.
  • Options include PC interface, keyboard display module, DATA CONTROLBUS™ MODULE, remote display module, first-out expanded annunciator, and COMBUSTION SYSTEM MANAGER™ software.
  • Five LEDs provide sequence information. Power LED blinks fault code on Safety Shutdown.
  • Interchangeable plug-in flame amplifiers.
  • Local or remote annunciation of operation and fault information.
  • Nonvolatile memory retains history files and sequencing status after power loss.
  • Optional remote reset capability.
  • Optional report generation.
  • Selectable recycle or lockout on loss of airflow or flame.
  • Shutter drive output.
  • Airflow switch check.
  • Delayed main valve.
  • Programmable post purge using S7800A1142 Keyboard Display (not provided).
  • Flame Establishing Period - Pilot: 4 sec or 10 sec
  • Interlocks: Selectable
  • PrePurge: Determined by ST7800A Purge Timer Card
  • PostPurge: programmed with S7800A1142 display

Specs

Application:

Primary Control

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Product worked as described.

Product worked as described. shipping was on time.
Kent
Seattle
2 years ago
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exact replacement

fits and works perfectly on the steam generator.
haley
vermont
2 years ago
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