PRODUCT DESCRIPTION
HONEYWELL ST7800A1021 - Integrated Burner Control Module
The HONEYWELL ST7800A1021 is a microprocessor-based integrated burner control module engineered for automated sequencing and flame supervision in commercial and industrial gas-fired combustion systems. It provides precise control over pre-purge, ignition, main flame establishment, and post-purge cycles, ensuring safe and efficient operation. This module is designed for direct integration with compatible subbases and flame sensors, targeting applications such as boilers, furnaces, and process heaters.
Technical Specifications:
- SERIES/FAMILY: ST7800A SmartValve System
- COMPONENT TYPE: Integrated Burner Control Module
- ELECTRICAL SPECS: 120VAC, 50/60Hz Input
- INTERFACE/CONTROL:
- Flame Sensing: Compatible with rectification (flame rod) and ultraviolet (UV) sensors (e.g., C7027, C7035, C7044)
- Ignition Control: Intermittent pilot or direct spark ignition (DSI)
- Outputs: Main valve, pilot valve, ignition transformer, alarm relay
- Inputs: Airflow switch, high limit, operating limit, remote reset
- Diagnostics: Onboard LED status indicators, compatible with optional S7800A display module
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (NEMA 1 equivalent) when installed in a control panel
- OPERATING TEMPERATURE: -40°F to 140°F (-40°C to 60°C)
- MOUNTING: Plug-in module for Q7800A/B wiring subbases
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Commercial and industrial gas-fired combustion systems
- APPLICATIONS: Boilers, furnaces, ovens, process heaters, air handlers
- STANDARDS: UL, CSA, FM approved for safety and performance