DESCRIZIONE PRODOTTO
HONEYWELL ST7800A1039/U - Flame Safeguard Primary Control
The HONEYWELL ST7800A1039/U is a microprocessor-based flame safeguard primary control from the 7800 SERIES, designed for the automated supervision and control of commercial and industrial burners. It manages pre-purge, ignition, main flame supervision, and post-purge sequences, ensuring safe and efficient operation of gas, oil, or combination fuel-fired systems. This unit integrates critical safety interlocks and provides diagnostic capabilities essential for reliable burner management in heating and process applications.
Technical Specifications:
- SERIES/FAMILY: 7800 SERIES (ST7800A)
- COMPONENT TYPE: Flame Safeguard Primary Control
- ELECTRICAL SPECS: 120VAC, 50/60Hz Nominal Input 10VA Power Consumption (typical)
- CONTROL FUNCTIONS: Pre-purge timing, Ignition sequence, Main flame supervision, Post-purge timing, System interlock management
- FLAME SENSING: Compatible with rectification (flame rod), ultraviolet (UV), or infrared (IR) flame detectors
- INTERFACE/DIAGNOSTICS: Local annunciation via S7800A/B/C/D/E/F/G/H/J/K/L/M/N/P/Q/R/S/T/U/V/W/X/Y/Z display module (sold separately) for status and diagnostics
- ENVIRONMENTAL/MOUNTING: Subbase mounted (Q7800A/B required), NEMA 1 equivalent for control cabinet installation, Operating Temperature: -40°F to 140°F (-40°C to 60°C)
- COMPATIBILITY/APPLICATION: Automatically fired commercial and industrial burners utilizing gas, oil, or combination fuels suitable for boilers, furnaces, and process heaters.
