Honeywell RM7890A1056 On-Off Primary Control

Honeywell RM7890A1056 On-Off Primary Control. Microprocessor-based integrated primary burner control for automatically fired gas, oil or combination fuel single burner applications. Provides level of safety, functional capability and features beyond conventional controls. Functions include automatic burner sequencing, flame supervision, system status indication, system or self diagnostics and troubleshooting. Subbase and amplifier are required for operation. Power LED blinks Fault Code on lockout. 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. Contains Valve Proving Feature - require S7800A1142 Keyboard Display (not provided) to set up.