RM7897A2002 | Honeywell Burner Control

Description 

The Honeywell RM7897A2002 On-Off Primary Burner Control, an Automatic Primary Control with Programmable Post Purge, suits single burner applications with gas, oil, or combination fuel. Operating at 120Vac within a -40-140 degree ambient temperature range, it offers selectable recycle or lockout on airflow or flame loss, and features a Shutter Drive Output (RM7897A1002). To program post-purge, a S7800A1142 Display is required.

Technical Specifications 

Information About RM7897A2002

The RM7897A2002 by Honeywell is a versatile burner control designed for precise and reliable operation in industrial applications. Primarily used as an on-off primary control with pre and programmable post purge functionalities, it ensures safe and efficient burner operation.

With dimensions of 5 inches wide by 5 inches high by 5 1/4 inches deep with the Q7800A Subbase (or 6 3/32 inches deep with the Q7800B Subbase), this control unit provides a compact yet robust solution for burner management. Its compatibility with the 7800 Series Amplifiers enhances its versatility and integration capabilities.

Operating at a frequency of 50 Hz or 60 Hz (±10%) and a voltage of 120 Vac (+10, -15%), the RM7897A2002 ensures stable and consistent performance across different power systems. It offers a wide shipping and storage temperature range from -40°F to +140°F (-40°C to +60°C), ensuring reliability in diverse environmental conditions.

The flame establishing period for the pilot flame can be set to either 4 seconds or 10 seconds, offering flexibility in ignition timing. Additionally, selectable interlocks and preignition features further enhance safety and control over burner operations.

Compatible with various Honeywell components such as the Q7800A,B Universal Wiring Subbases, Flame Signal Amplifiers, and Plug-in Purge Timer Cards, the RM7897A2002 offers seamless integration into existing burner systems. Its selectable pilot type and resistance to 0.5 G vibration environments further underscore its adaptability and reliability in demanding industrial settings.

Overall, the RM7897A2002 burner control from Honeywell combines advanced functionality, robust construction, and compatibility with a range of accessories to provide precise and dependable control over burner operations, ensuring safety and efficiency in industrial processes.

Features

Functions include automatic burner sequencing, flame supervision, system status indication, system or self diagnostics and troubleshooting.
Subbase, amplifier, and prepurge timer are required for operation.
Options include 2 line VDF keyboard display module, DATA CONTROLBUS™ MODULE, remote display module, and 4-LINE LCD keyboard display module.
Five LEDs provide sequence information.
Interchangeable plug-in flame amplifiers.
Optional 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 relight or lockout on loss of flame.
Airflow switch check.

Manufacturer information

Honeywell, a global technology leader, specializes in diverse industries, including aerospace, automation, and safety solutions. With a legacy spanning over a century, Honeywell continues to innovate and provide cutting-edge technologies for a safer, more sustainable world. Their commitment to quality and excellence has made them a trusted brand worldwide.

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