Honeywell Yamatake RM7890B1022

The Honeywell Yamatake RM7890B1022 is a microprocessor-based integrated burner control designed for semi-automatically fired gas, oil, coal, or combination fuel single burner applications. This industrial-grade controller ensures enhanced safety and functional capability compared to conventional controls. It features manual start, LHL-LF & HF proven purge, and a programmable post purge. Additionally, it includes a valve proving feature, ensuring the integrity of the fuel valves before burner operation. The package comes with an S7800 display for easy monitoring and requires an ST7800C purge timer for operation. The RM7890B1022 is ideal for industrial settings where reliability and safety in burner control are paramount, offering advanced diagnostics and control for efficient burner management.

Features:

• Functions include purge, burner pilot startup, flame supervision, system status indication, system or self diagnosis and troubleshooting.
• Delays admission of fuel to combustion chamber until pilot flame has been proven and then monitors the flame through the run period while providing system status indication.
• Includes S7800A1142 Keyboard Display Module.
• Five LEDs provide sequence information.
• Intermittent pilot valve.
• Interchangeable plug-in flame amplifier.
• Access for external electrical voltage checks.
• Nonvolatile memory retains history files and lockout status after loss of power.
• Selectable pilot flame establishing period.
• Provides application flexibility and optional communication interface capability.
• Compatible with existing Honeywell flame detectors.
• With Valve Proving Feature and Programmable Post Purge Time.
• Power LED blinks a fault code on system lockout.