Honeywell RM7840 Microprocessor-Based Programming Control

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Programming control with valve proving. 4- or 10-second pilot flame establishing period, 10-, 15-, 30-second or intermittent main flame establishing period. Running and low-fire interlocks. RM7840G1022
Programming control with valve proving. 4- or 10-second pilot flame establishing period, 10- or  15-second main flame establishing period. Lockout, low-fire, and high-fire interlocks. RM7840L1075

  • Functions include automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics, and troubleshooting
  • Five LEDs provide sequence information. Power LED blinks fault code on Lockout
  • Valve proving feature tests valve seat integrity to detect a leak greater than 0.1% of burner input capacity
  • Requires S7800A1142 keyboard to set up valve proving (VPS) and change post-purge time

 

Type Description Size
combustion and Flame Safety Solutions Catalog combustion and Flame Safety Solutions Catalog 3.7MB
Honeywell RM7840 Microprocessor-Based Programming Controls Datasheet Honeywell RM7840 Microprocessor-Based Programming Controls Datasheet 334KB
Honeywell RM7840G1022 Microprocessor-Based Programming Control Brochure Honeywell RM7840G1022 Microprocessor-Based Programming Control Brochure 135KB
Honeywell RM7840L1075 Microprocessor-Based Programming Control Brochure Honeywell RM7840L1075 Microprocessor-Based Programming Control Brochure 144KB
Honeywell RM7840 Microprocessor-Based Programming Controls Installation Instructions Honeywell RM7840 Microprocessor-Based Programming Controls Installation Instructions 457KB
Honeywell RM7840G1022, RM7840L1075 Microprocessor-Based Programming Controls for Valve Proving Installation Instructions Honeywell RM7840G1022, RM7840L1075 Valve Proving Programming Controls Installation Guide 1.7MB
Honeywell RM7840 Microprocessor-Base Programming Controls Conversion Wiring Diagrams Honeywell RM7840 Microprocessor-Base Programming Controls Conversion Wiring Diagrams 279KB