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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.


  • 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

Semi Automatic Programming Control w/VPS
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 10 oz
Weight (kg)
0.7 kg
Includes programmable VPS (Valve Proving Switch) check feature and blinking LED fault annunciation
50 Hz; 60 Hz (±10%)
Approvals, Underwriters Laboratories Inc.
Component Recognized, File No. MP268; Guide No. MCCZ.
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
Determined by ST7800A Purge Timer Card
programmed with S7800A1142 display
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.
Pilot Type
0.5 G environment
Approvals, Control Safety Devices
Acceptable: CSD-1
Approvals, Swiss RE
Approvals, Factory Mutual
Report No. OX4A5.AF.
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