RM7890A1015 HONEYWELL PRIMARY CONTROL 120 VOLT

RM7890A1015 HONEYWELL PRIMARY CONTROL 120 VOLT - 120V - 50/60Hz - Operating Temp -40 to 140 F - Flame Establishing Period - Pilot: 4 sec or 10 sec - With dust cover Use with R7847, R7848, R7849 and R7886 amplifiers Features - Includes blinking LED fault annunciation feature - Functions include automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics and troubleshooting. - Subbase, amplifier and purge card 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. Power LED blinks fault code on Safety Shutdown. - Interchangeable plug-in flame amplifiers. - Local or remote annunciation of operation and fault information. - Nonvolatile memory retains history files and sequencing status after power loss. - Programmable post purge using S7800A1142 Keyboard Display (not provided). The Honeywell RM7800/RM7840 Relay Modules are microprocessor-based integrated burner controls for automatically fired gas, oil, or combination fuel single burner applications. The RM7800/RM7840 Relay Modules are used for UL/CSA On/Off, UL/CSA Modulating, and FM/IRI Modulating burner applications. The RM7800/RM7840 system consists of a Relay Module. Keyboard Display Modules (standard with RM7800), Dust Cover (standard with RM7840), Subbase, Amplifier, and Purge Card. Options include Personal Computer Interface, DATA CONTROLBUS MODULE, Remote Display Mounting, First-Out Expanded Annunciator and Combustion System Manager Software. Functions provided by the RM7800/RM7840 include automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics and troubleshooting. The RM7800/RM7840 is a solid-state replacement for the electromechanical R4140 Automatic Programming Control.