On-Off Primary Control with PrePurge - Interrupted Pilot

On-Off Primary Control with Shutter Drive Output, Valve Proving Feature, and blinking LED fault annunciation Overview: Microprocessor-based integrated burner control for industrial semi-automatically fired gas, oil, coal, or combination fuel single burner applications. Provides level of safety, functional capability and features beyond conventional controls. Features: Functions include automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics and troubleshooting. Subbase, amplifier, and prepurge timer are required for operation. Options include PC interface, keyboard display module, DATA CONTROLBUS? MODULE, remote display module, first-out expanded annunciator, and COMBUSTION SYSTEM MANAGER? software. Five LEDs provide sequence information. Interchangeable plug-in flame amplifiers. Optional local or remote annunciation of operation and fault information. Nonvolatile memory retains history files and sequencing status after power loss. Optional remote reset capability. Optional report generation. Selectable relight or lockout on loss of flame. Airflow switch check. Flame Establishing Period - Pilot 4 sec or 10 sec Flame Establishing Period - Main 10 sec Delayed Main Valve - Yes Required Componenets: Q7800A,B Universal Wiring Subbases. R7847, R7848, R7849, R7851, R7852, R7861, or R7886 Flame Signal Amplifier. ST7800A Plug-in Purge Timer Card.