Honeywell RM7850A1019 7800 SERIES Burner Control Relay Module

Availability: 5 left in stock

Description The Honeywell RM7850A1019 is a microprocessor-based burner management relay module designed for the 7800 SERIES control system. It provides...

SKU: RM7850A1019

Manufacturer: Honeywell
Product No.: RM7850A1019
Product Type: Burner Control Relay Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 900g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Description

The Honeywell RM7850A1019 is a microprocessor-based burner management relay module designed for the 7800 SERIES control system. It provides reliable, programmable combustion sequencing for single-burner industrial applications, including gas, oil, and dual-fuel boilers. The module is engineered to manage critical safety functions such as interrupted pilot ignition, second-stage pilot valve control, and post-purge sequencing, ensuring safe and efficient burner operation in power plants, refineries, and process heating environments.

Features

Programmable burner management for single-burner firing systems.
Supports user-selectable airflow check functions for enhanced safety.
Executes precise pre-ignition sequencing and intermittent second-stage pilot valve control.
Integrated 15-second post-purge cycle to ensure combustion chamber clearance.
Continuous monitoring of lockout interlocks with deterministic fault handling.
Designed for seamless integration with the Honeywell 7800 SERIES backplane architecture.

Applications

The RM7850A1019 is widely utilized in industrial combustion control environments, including:

Industrial and commercial boiler management systems.
Refinery process heating units.
Power generation combustion control.
Staged combustion systems requiring intermittent pilot control.

Technical Specifications

Model	RM7850A1019
Series	7800 SERIES
Power Supply	120 VAC, 50/60 Hz
Power Consumption	< 10 W
Operating Temperature	0 to 60 deg C
Pilot Configuration	Interrupted pilot with intermittent second-stage pilot
Post Purge Duration	15 seconds

Installation Guidelines

Ensure power is disconnected before installing or removing the module from the 7800 SERIES backplane.
The module must be installed in a clean, dry environment protected from excessive vibration and moisture.
Verify that all wiring connections to the backplane are secure and conform to local electrical codes.
Use anti-static precautions when handling the module to prevent damage to internal circuitry.
Ensure proper grounding of the control cabinet to minimize EMI/RFI interference.
Regularly inspect the flame detection components and purge timers for optimal system performance.

FAQ

What is the primary function of the RM7850A1019?
This module acts as a primary burner control relay, managing the ignition sequence, pilot valve control, and safety interlocks for single-burner combustion systems.

Does this module support post-purge?
Yes, the RM7850A1019 includes a fixed 15-second post-purge cycle to clear the combustion chamber of residual gases after a shutdown.

Is this module compatible with other 7800 SERIES components?
Yes, it is designed to interface directly with 7800 SERIES backplanes, display modules, and flame detection sensors.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

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Maintenance Manager, USA

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Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

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Engineering Lead, Germany

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We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.