Honeywell RM7850A1019 Burner Control Unit

The Honeywell RM7850A1019 is a highly advanced burner control unit from the renowned 7800 Series. Designed to handle complex burner applications, this unit provides reliable and efficient flame management. It ensures precise control of both interrupted pilot and intermittent second-stage pilot valve, while offering enhanced features such as user-selectable airflow check and 15-second post purge for optimized performance.

Key Features of the Honeywell RM7850A1019

Interrupted Pilot Type Control: The Honeywell RM7850A1019 supports interrupted pilot type flame control for reliable ignition and operation in various combustion systems.
Intermittent Second-Stage Pilot Valve: The unit efficiently manages intermittent second-stage pilot valve operation, improving system reliability during multi-stage burner processes.
User-Selectable Airflow Check: This feature allows users to configure the airflow check, optimizing burner performance for different applications and environmental conditions.
Pre-Ignition and Lockout Interlocks: The unit provides pre-ignition protection and lockout interlocks, ensuring safe and efficient burner startup and operation.
15-Second Post Purge: The 15-second post-purge feature helps clear combustion gases, improving burner safety and performance after the cycle ends.
Voltage and Frequency: Operates on 120 VAC, compatible with 50/60 Hz power systems for reliable and stable performance.

Technical Specifications

Parameter	Specification
Model	Honeywell RM7850A1019
Type	Burner Control Unit
Series	7800 Series
Control Type	Interrupted Pilot, Second-Stage Pilot Valve
Pre-Ignition	Yes
Post Purge	15 seconds
User-Selectable Airflow Check	Yes
Lockout Interlocks	Yes
Voltage Rating	120 VAC
Frequency	50/60 Hz
Power Consumption	10 W

Applications

The Honeywell RM7850A1019 is ideal for use in industrial and commercial burner systems, offering optimal control and safety features for:

Multi-stage Burner Applications: It ensures reliable performance across multi-stage combustion processes, including both primary and secondary pilots.
Heating Systems: Perfect for industrial and commercial heating systems, where precise flame control is essential.
HVAC Systems: Used in advanced HVAC systems for regulating combustion and maintaining energy efficiency.
Industrial Process Control: Offers improved flame management in various industrial processes, reducing downtime and improving efficiency.

Conclusion

The Honeywell RM7850A1019 provides reliable and efficient control for burner systems. With its interrupted pilot type, intermittent second-stage pilot valve, pre-ignition protection, and 15-second post purge, it offers superior performance in demanding applications. Designed to work with 120 VAC and 50/60 Hz power systems, this unit ensures reliable operation and enhanced safety. It is an excellent choice for controlling burners in industrial heating, HVAC, and other complex combustion applications.