Honeywell RM7897A1002 On‑Off Primary Burner Control Module with Pre‑ & Programmable Post‑Purge and Shutter Drive
Honeywell RM7897A1002 On‑Off Primary Burner Control Module with Pre‑ & Programmable Post‑Purge and Shutter Drive
0.0
Points
Brand:Honeywell DCS Item No.:Honeywell RM7897A100 Product Origin:USA Product Dimensions:127 × 127 × 155 mm Product Weight:0.9 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Honeywell RM7897A1002 is a microprocessor‑based on‑off primary burner control designed for industrial and commercial single‑burner combustion systems. Built on Honeywell’s proven 7800 Series architecture, this module combines automatic burner sequencing, flame supervision, system diagnostics, and safety shutdown logic to deliver reliable performance where safety and compliance are non‑negotiable. With programmable post‑purge capability, selectable interlocks, and a shutter drive output, the RM7897A1002 expands operational flexibility while maintaining dependable combustion safety control. This makes it ideal for OEM integrators, system designers, and maintenance technicians who require both precision and durability in harsh industrial environments.
Honeywell RM7897A1002 On‑Off Primary Burner Control
Honeywell RM7896C1010 Full Purge Primary Control
Honeywell RM7895A1014 Primary Control with Pre‑Purge
Honeywell RM7895C1012 Primary Control with Diagnostics
Honeywell RM7890A1015 Burner Control Module
Honeywell RM7890A1031 Advanced Sequenced Control
Honeywell RM7840L1026 Basic Safety Relay
Honeywell RM7850A1001 Standard Primary Control
Applications
The RM7897A1002 is engineered for combustion systems that demand accurate sequencing, reliable flame safety, and programmable purge logic:
Industrial steam and hot water boilers
Combustion systems in chemical and petrochemical plants
Thermal process heaters and furnaces
HVAC burner management panels
OEM burner assemblies
Food processing and drying combustion control
Its programmable post‑purge support and shutter drive output enhance safety and control flexibility across a wide range of industrial heating applications.
Advantages
Full Function Combustion Control
Integrates automatic sequencing, flame supervision, safety shutdown, and fault diagnostics in a single robust module.
Programmable Safety Features
Programmable post‑purge timing via an S7800A1142 display module allows tailored combustion cycles to meet application needs.
Clear Diagnostic Feedback
Five LED indicators with blink fault codes provide intuitive visual feedback for faster troubleshooting and reduced downtime.
Non‑Volatile Memory
Retains sequencing history and fault conditions even after power interruptions, supporting effective diagnostics.
Modular Integration
Compatible with a wide range of Honeywell 7800 Series flame amplifiers, subbases, displays, and optional interfaces for scalable system designs.
Industrial‑Grade Reliability
Designed to operate reliably across wide temperature ranges and vibration environments, suitable for demanding industrial installations.
Technical FAQs
1. What is the primary purpose of the Honeywell RM7897A1002?
It provides microprocessor‑based on‑off burner sequencing, flame supervision, and safety shutdown for industrial combustion applications.
2. What voltage does this burner control require?
The module operates on 120 VAC at 50/60 Hz.
3. Does it support programmable post‑purge?
Yes — post‑purge timing is programmable using the S7800A1142 keyboard display (not included).
4. Are diagnostic indicators provided?
Yes — five LEDs provide sequence and fault status, with blink codes to indicate fault types.
5. Can the control retain error history after power loss?
Yes, non‑volatile memory retains sequence status and history.
6. What additional components are required for operation?
A compatible subbase, flame amplifier, and a purge timer card are required for full functionality.
7. Does it support airflow switch verification?
Yes — it includes an airflow switch check for added safety.
8. Can it be used with both gas and oil burners?
Yes, it is suitable for gas, oil, or combination fuel single‑burner systems.
9. What safety behavior can be selected on flame or airflow loss?
Selectable recycle or lockout behavior can be configured to match specific system requirements.
10. Is the RM7897A1002 suitable for OEM‑integrated systems?
Absolutely — its modular design, diagnostics, and expanded purge control make it ideal for OEM combustion control solutions.
