Honeywell RM7838B1021 Burner Control

Description

Overview
Integrated burner control for industrial semi-automatically fired gas, oil, coal or combination fuel single burner applications. Includes Valve Proving Feature with S7800A1142 Keyboard Display.
Features
Functions include purge, burner pilot startup, flame supervision, system status indication, system or self diagnosis and troubleshooting.
Delays admission of fuel to combustion chamber until pilot flame has been proven and then monitors the flame through the run period while providing system status indication.
Includes S7800A1142 Keyboard Display Module.
Five LEDs provide sequence information.
Intermittent pilot valve.
Interchangeable plug-in flame amplifier.
Access for external electrical voltage checks.
Nonvolatile memory retains history files and lockout status after loss of power.
Selectable pilot flame establishing period.
Provides application flexibility and optional communication interface capability.
Compatible with existing Honeywell flame detectors.
With Valve Proving Feature and Programmable Post Purge Time.
Power LED blinks a fault code on system lockout.
Product Specifications
ApplicationSemi Automatic Programming Control w/VPSDimensions (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 SubbaseDimensions (mm)127 mm wide x 127 mm high x 133 mm deep with Q7800A Subbase x 155 mm deep with Q7800B SubbaseWeight (lb)1 lb 10 ozWeight (kg)0.7 kgCommentsIncludes programmable VPS (Valve Proving Switch) check feature and blinking LED fault annunciationFrequency50 Hz; 60 Hz (±10%)Approvals, Underwriters Laboratories Inc.Component Recognized, File No. MP268; Guide No. MCCZ.Voltage120 Vac (+10, -15%)Shipping and Storage Temperature Range (F)-40 F to +140 FShipping and Storage Temperature Range (C)-40 C to +60 CApprovals, Federal Communications CommissionFCC Part 15, Class B, Emissions.Flame Establishing Period – Pilot4 sec or 10 secFlame Establishing Period – Main10 sec or IntermittentInterlocksLockoutPreignitionYesPrePurgeDetermined by ST7800A Purge Timer CardPostPurgeprogrammed with S7800A1142 displayEarly Spark TerminationYes, 5 secRequired ComponentsQ7800A,B Universal Wiring Subbases. R7847, R7848, R7849, R7851, R7852, R7861, or R7886 Flame Signal Amplifier. ST7800A Plug-in Purge Timer Card.Pilot TypeinterruptedVibration0.5 G environmentApprovals, Control Safety DevicesAcceptable: CSD-1Approvals, Swiss REAcceptableApprovals, Factory MutualReport No. OX4A5.AF.