DESCRIZIONE PRODOTTO
HONEYWELL ST7800A1054 - Integrated Burner Control
The HONEYWELL ST7800A1054 is a microprocessor-based integrated burner control from the 7800 SERIES, engineered for reliable and safe operation of commercial and industrial gas, oil, or combination fuel burners. It provides precise ignition sequencing, continuous flame supervision, and system interlock management for applications requiring intermittent pilot or direct spark ignition. This self-checking control ensures compliance with stringent safety standards for heating and process equipment.
Technical Specifications:
- SERIES/FAMILY: 7800 SERIES (ST7800A)
- COMPONENT TYPE: Integrated Burner Control / Flame Safeguard
- ELECTRICAL SPECS: 24 VAC, 50/60 Hz Input Power 10-second Pre-purge 10-second Trial for Intermittent Pilot Ignition (TFI) 15-second Main Flame Failure Lockout
- INTERFACE/CONTROL: Discrete inputs for system interlocks (e.g., air flow, high limit, low gas pressure) Discrete outputs for ignition transformer, fuel valves, and alarm Requires external flame amplifier and sensor.
- SAFETY FEATURES: Microprocessor-based self-checking circuitry Non-volatile memory for lockout history Lockout indication via LED.
- ENVIRONMENTAL/MOUNTING: Plugs into Q7800A,B Universal Wiring Subbase Designed for panel-mounting within a control cabinet.
- COMPATIBILITY/APPLICATION: Commercial and industrial single-burner applications including boilers, furnaces, ovens, and process heaters Compatible with HONEYWELL 7800 SERIES flame amplifiers (e.g., R7847, R7848, R7849, R7851, R7852, R7861, R7883) and flame sensors (e.g., C7027, C7035, C7061, C7076).
- AGENCY APPROVALS: UL Listed, CSA Certified, FM Approved.
