PRODUCT DESCRIPTION
HONEYWELL RM7890A1015 - Burner Control System Relay Module
The HONEYWELL RM7890A1015 is a microprocessor-based burner control system relay module from the 7800 SERIES, designed for automated ignition, flame supervision, and system interlock in industrial and commercial heating applications. It provides comprehensive safety and operational control for single-burner, gas, oil, or combination fuel-fired combustion systems, ensuring reliable and safe operation through continuous self-diagnostics and precise timing sequences.
Technical Specifications:
- SERIES/FAMILY: 7800 SERIES (RM7890)
- COMPONENT TYPE: Burner Control System Relay Module
- ELECTRICAL SPECS: 120 VAC, 50/60 Hz
- CONTROL METHOD: Microprocessor-based flame safeguard
- FLAME DETECTION: Compatible with rectification, ultraviolet (UV), or infrared flame sensors (e.g., C7012, C7027, C7035, C7061, C7076)
- SAFETY FEATURES: Configurable pre-purge, trial for ignition (TFI), flame failure response time (FFRT), post-purge, and lockout
- INTERFACE/CONTROL: Status LEDs for operational feedback, alarm contacts, compatible with S7800A display module for expanded diagnostics
- ENVIRONMENTAL/MOUNTING: Subbase mounted (Q7800A/B), designed for NEMA 1 enclosure applications
- APPLICATION: Single-burner industrial and commercial heating systems, boilers, furnaces, ovens, and process heaters