RM7840G1014 Burner Control Module: Reliable Flame Management with UL Certification

Core Technical Specifications

• Brand & Model: Honeywell RM7840G1014 (RM7840 series). Burner programming control category. Supplied by Ubest Automation.
• Voltage & Frequency: 120 Vac (+10%, -15%). Supports 50 Hz or 60 Hz (±10%).
• Flame Establishing Period - Pilot: Selectable 4 seconds or 10 seconds.
• Flame Establishing Period - Main: Choose 10, 15, 30 seconds, or intermittent operation.
• Post-Purge Timing: Fixed 15 seconds. Pre-purge depends on ST7800A plug-in timer card.
• Early Spark Termination: Yes, at 5 seconds for improved component life.
• Interlocks: Running type with preignition enabled. Airflow check is user selectable.
• Pilot Type: Interrupted with second stage pilot valve selectable for application flexibility.
• Temperature Range (Shipping/Storage): -40°C to +60°C (-40°F to +140°F).
• Vibration Rating: Withstands 0.5G environment for industrial reliability.
• Dimensions & Weight: 127 x 127 mm base. Depth varies by subbase: 133 mm (Q7800A) or 155 mm (Q7800B). Weighs 0.8 kg (1 lb 13 oz). Shipping weight 2 kg.
• Flame Amplifier Compatibility: Works with plug-in amplifiers: R7847, R7848, R7849, R7851, R7852, R7861, or R7886.
• Required Components: Q7800A or Q7800B universal wiring subbase. ST7800A plug-in purge timer card. Compatible flame detector.
• Approvals: UL Component Recognized (File MP268). CSA Certified (File LR95329-3). Factory Mutual (Report OX4A5.AF). Swiss RE Acceptable. CSD-1 acceptable.
• Emissions: Complies with FCC Part 15, Class B for residential and light industrial environments.

Frequently Asked Questions (FAQ)

• Q: Does the RM7840G1014 work with existing Honeywell flame detectors?
  A: Yes, it works with most Honeywell flame detectors. Choose the correct plug-in amplifier from the compatible list above.
• Q: What shipping carriers do you use?
  A: We ship via FedEx, UPS, or DHL depending on your location and order urgency.
• Q: What is the difference between RM7840G1014 and RM7850 series?
  A: The RM7840G1014 features running interlocks and early spark termination. The RM7850 uses lockout interlocks without early spark termination.
• Q: Can I adjust the flame establishing periods?
  A: Yes, pilot timing offers 4 or 10 seconds. Main timing offers 10, 15, 30 seconds, or intermittent operation.
• Q: Is this module CSA certified for Canada?
  A: Yes, the RM7840G1014 holds CSA certification (File No. LR95329-3) for Canadian installations.

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