• 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.Enhanced Semi-Auto Programmer w/ Disp| Overview | Microprocessor-based integrated burner control for industrial semi-automatically fired gas, oil, coal or combination fuel single burner applications. Provides level of safety, functional capability and features beyond conventional controls. Includes Valve |
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| Approvals, Federal Communications Commission | FCC Part 15, Class B, Emissions |
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| Application | Semi Automatic Programming Control w/VPS |
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| Flame Establishing Period - Pilot | 4 sec or 10 sec |
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| Approvals, Control Safety Devices | Acceptable: CSD-1 |
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| Flame Establishing Period - Main | 10 sec or Intermittent |
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| Approvals, Underwriters Laboratories Inc | Component Recognized, File No. MP268; Guide No. MCCZ. |
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| PrePurge | Determined by ST7800C Purge Timer Card |
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| PostPurge | programmed with S7800A1142 display |
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| Required Components | Q7800A,B Universal Wiring Subbases. R7847, R7848, R7849, R7851, R7852, R7861, or R7886 Flame Signal Amplifier. ST7800C Plug-in Purge Timer Card. |
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| Voltage | 120 Vac (+10, -15%) |
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| Vibration | 0.5 G environment |
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| Early Spark Termination | Yes, 5 sec |
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| Ambient Temperature Range (F) | -40 F to +140 F |
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| Ambient Temperature Range (C) | -40 C to +60 C |
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| 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 |
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| Dimensions (mm) | 127 mm wide x 127 mm high x 133 mm deep with Q7800A Subbase x 155 mm deep with Q7800B Subbase |
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| Approvals, Swiss RE (formerly IRI) | Acceptable |
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| Approvals, Factory Mutual | Report No. OX4A5.AF. |
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| Comments | Includes programmable VPS (Valve Proving Switch) check feature and blinking LED fault annunciation |
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Product Family
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