RM7800L1012 HONEYWELL PROGRAMMER CONTROL LHL-LF&HF PROVEN PURGE

RM7800L1012 HONEYWELL PROGRAMMER CONTROL LHL-LF&HF PROVEN PURGE - 120V - 50/60Hz - Operating Temp -40 to 140 F - With Dust Cover - Flame Establishing Period Pilot 4 or 10 seconds - Initiate 10 seconds - Flame Establishing Period Main 10 or 15 seconds - Post Purge Timing 15 seconds Use with R7847, R7848, R7849 and Ry886 Amplifiers Features - Five LEDs provide sequence information. - Five function Run/Test Switch. - Includes Keyboard Display Module - Access for external electrical voltage checks - Nonvolatile memory retains history files and lockout status after loss of power. - 5 Sec Ignition - High/Low Fire Switch - RM7800 comes with S7800A1001 Keyboard Display Module 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.