RM7840L1026 Honeywell Burner Control

UPC: 085267142861 The Honeywell RM7840L1026 Burner Control 120V, 50/60 HZ. AirFlow Switch CHECK OPTION. INTERMITTENT Pilot. INCLUDES DUST Cover. Overview The Honeywell RM7840L1026 is a microprocessor-based programming burner control from the 7800 Series designed for industrial and commercial single-burner systems. It ensures safe and efficient burner operation with features such as interrupted or intermittent pilot options, proven purge, and LED diagnostic indicators. Built for reliability, this control provides sequencing, flame supervision, and fault history retention in a compact, serviceable design. Features Microprocessor-based control with selectable timing and self-diagnostics Proven purge function for verified pre-ignition safety Interrupted or intermittent pilot operation LED indicators for power, flame, pilot, and fault conditions Non-volatile memory retains fault and lockout history Plug-in modular design compatible with 7800 Series subbases and accessories Operates in wide ambient temperature ranges for industrial durability Specifications Application Programming Control Dimensions (in.) 5 in. wide x 5 in. high x 5 1/4 in. deep with Q7800A Subbase x 6 3/32 in. deep with Q7800B Subbase Dimensions (mm) 127 mm wide x 127 mm high x 133 mm deep with Q7800A Subbase x 155 mm deep with Q7800B Subbase Weight (lb) 1 lb 13 oz Weight (kg) 0.8 kg Comments LHL-LF&HF Proven Frequency 50 Hz; 60 Hz (±10%) Approvals, Underwriters Laboratories Inc. Component Recognized, File No. MP268; Guide No. MCCZ. Approvals, Canadian Standards Association Certified, File No. LR95329-3. Voltage 120 Vac ( 10, -15%) Shipping and Storage Temperature Range (F) -40 F to 140 F Shipping and Storage Temperature Range (C) -40 C to 60 C Approvals, Federal Communications Commission FCC Part 15, Class B, Emissions. Flame Establishing Period – Pilot 4 sec or 10 sec Flame Establishing Period – Main 10 sec or Intermittent Interlocks Lockout Preignition Yes PrePurge Determined by ST7800A Purge Timer Card PostPurge 15 sec Early Spark Termination Yes, 5 sec Required Components Q7800A,B Universal Wiring Subbases. R7847, R7848, R7849, R7851, R7852, R7861, or R7886 Flame Signal Amplifier. ST7800A Plug-in Purge Timer Card. AirFlow Check User selectable Second Stage Pilot Valve Intermittent Pilot Type interrupted Vibration 0.5 G environment Approvals, Control Safety Devices Acceptable: CSD-1 Approvals, Swiss RE Acceptable Approvals, Factory Mutual Report No. OX4A5.AF. Applications The RM7840L1026 is ideal for: Industrial and commercial boilers and furnaces Process heating and drying equipment Gas, oil, or dual-fuel burner systems Burner retrofits requiring enhanced safety and diagnostics Systems requiring selectable ignition configurations Benefits Enhances safety through proven-purge and flame-supervision logic Simplifies troubleshooting with built-in diagnostics and LED indicators Retains lockout and history data for easy maintenance Provides flexibility with selectable pilot and main flame timings Durable, modular design for quick installation and replacement