RM7840L1075 HONEYWELL PROGRAMMER CONTROLFOR VPS LHL-LF&HF PROVEN

RM7840L1075 HONEYWELL PROGRAMMER CONTROLFOR VPS LHL-LF&HF PROVEN - 120V - 50/60Hz - High/Low Fire Switch - With dust cover - Operating Temp -40 to 140 F - Flame Establishing Period Pilot 4 or 10 seconds - Initiate 10 seconds - Flame Establishing Period Main 10 seconds or intermittent - Post Purge Time 15 seconds Use with R7847, R7848, R7849 and R7886 amplifiers Features • Functions include automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics and trouble shooting. • Access for external electrical voltage checks. • Application flexibility and communication interface capability. • Five LEDs provide sequence information. Power LED blinks fault code on Lockout. • Five function Run/Test Switch. • Interchangeable plug-in flame amplifiers. • Nonvolatile memory retains history files and lockout status after loss of power. • Compatible with existing Honeywell flame detectors. Keyboard required to setup Valve Proving Feature and change post purge time. AUTOMATIC PROGRAMMING CONTROL. 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 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.