• Functions provided by the R7120M include automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics and troubleshooting.
• Plug in replacement for Fireye M series controls using the existing Fireye wiring subbase.
• Require ST7800 Purge Timer and appropriate R78XX Amplifier to complete the replacement.Echo - Replaces M Series 5Overview | The Honeywell R7120M Burner Control Modules are microprocessor-based integrated burner controls. It is a plug in replacement of Fireye M series controls for automatically fired gas, oil or combination fuel on/off single burner applications. |
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Approvals, Federal Communications Commission | FCC Part 15, Class B, Emissions |
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Application | Replacement Primary Control for Fireye M Series - Interrupted Pilot |
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Flame Establishing Period - Pilot | 4 sec or 10 sec |
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Flame Establishing Period - Main | 10 sec |
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Approvals, Underwriters Laboratories Inc | Component Recognized, File No. MP268; Guide No. MCCZ. |
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PrePurge | Determined by ST7800A Purge Timer Card |
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PostPurge | programmed with S7800A1142 display |
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Required Components | R7847, R7848, R7849, R7851, R7852, R7861, or R7886 Flame Signal Amplifier. ST7800 Plug-in Purge Timer Card. |
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Voltage | 120 Vac (+10, -15%) |
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AirFlow Check | User selectable |
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Vibration | 0.5 G environment |
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Ambient Temperature Range (F) | -40 F to +135 F |
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Ambient Temperature Range (C) | -40 C to +57 C |
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Dimensions (in.) | 7 in. wide x 6 5/32 high x 5 3/4 in. deep |
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Dimensions (mm) | 177 mm wide x 156 mm high x 146 mm deep |
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Product Family
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