{"product_id":"rm7850a1019-honeywell-burner-control-120v-15s-ce-fcc","title":"RM7850A1019 Honeywell Burner Control 120V 15s CE FCC","description":"\u003ch2\u003e\u003cstrong\u003eRM7850A1019 Burner Control Module: Reliable Flame Safety Management\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eCore Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \u0026amp; Model:\u003c\/strong\u003e Honeywell \u003cstrong\u003eRM7850A1019\u003c\/strong\u003e (RM7850 series). Burner programming control category. Supplied by Ubest Automation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage \u0026amp; Frequency:\u003c\/strong\u003e \u003cstrong\u003e120 Vac (+10%, -15%)\u003c\/strong\u003e. Supports 50 Hz or 60 Hz (±10%).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlame Establishing Period:\u003c\/strong\u003e Pilot: 3 or 5 seconds. Main: 3, 5 seconds, or intermittent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePost-Purge Timing:\u003c\/strong\u003e Fixed \u003cstrong\u003e15 seconds\u003c\/strong\u003e. Pre-purge depends on ST7800A plug-in timer card.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterlocks:\u003c\/strong\u003e Lockout type with preignition enabled. Airflow check is user selectable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePilot Type:\u003c\/strong\u003e Interrupted with second stage pilot valve running intermittent duty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range (Operating):\u003c\/strong\u003e -40°C to +60°C (-40°F to +140°F). Storage down to \u003cstrong\u003e-40°C to +66°C\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHumidity \u0026amp; Vibration:\u003c\/strong\u003e Handles \u003cstrong\u003e85% RH noncondensing\u003c\/strong\u003e continuously. Withstands \u003cstrong\u003e0.5G vibration\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions \u0026amp; Weight:\u003c\/strong\u003e 127 x 127 mm base. Depth varies by subbase: \u003cstrong\u003e133 mm (Q7800A)\u003c\/strong\u003e or \u003cstrong\u003e155 mm (Q7800B)\u003c\/strong\u003e. Weighs \u003cstrong\u003e0.73 kg (1 lb 10 oz)\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e Relay module draws max \u003cstrong\u003e10W\u003c\/strong\u003e. Optional KDM uses \u003cstrong\u003e3W\u003c\/strong\u003e. Total connected load up to \u003cstrong\u003e2000 VA\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFusing:\u003c\/strong\u003e Requires \u003cstrong\u003e15A type SC fuse\u003c\/strong\u003e or equivalent for total load protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUser Interface:\u003c\/strong\u003e \u003cstrong\u003eFive LEDs\u003c\/strong\u003e show sequence status. One five-function Run\/Test switch simplifies diagnostics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlame Amplifier Compatibility:\u003c\/strong\u003e Works with plug-in amplifiers: \u003cstrong\u003eR7847, R7849, R7861, or R7886\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemory \u0026amp; Fault Logging:\u003c\/strong\u003e Nonvolatile memory retains history files and lockout status after power loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSIL 3 Capable:\u003c\/strong\u003e Suitable for Safety Instrumented Systems when properly designed (see form 65-0312).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprovals:\u003c\/strong\u003e Factory Mutual (J.I.0Y0A9.AF), GASTEC (CE-63AP3070\/1), and EN298 certified. Complies with Gas Appliance, Low Voltage, and EMC Directives.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation Guidelines\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the \u003cstrong\u003eRM7850A1019\u003c\/strong\u003e on a \u003cstrong\u003eQ7800A or Q7800B universal wiring subbase\u003c\/strong\u003e. The subbase provides all field wiring terminals.\u003c\/li\u003e\n\u003cli\u003eInstall a compatible plug-in flame amplifier (R7847, R7849, R7861, or R7886) into the relay module.\u003c\/li\u003e\n\u003cli\u003eInsert the \u003cstrong\u003eST7800A plug-in purge timer card\u003c\/strong\u003e to set pre-purge duration. Choose the card that matches your application.\u003c\/li\u003e\n\u003cli\u003eConnect the flame detector per Table 7 in Honeywell documentation. Use the correct detector for your fuel type.\u003c\/li\u003e\n\u003cli\u003eApply power at \u003cstrong\u003e120 Vac (+10%, -15%)\u003c\/strong\u003e only. Use a \u003cstrong\u003e15A type SC fuse\u003c\/strong\u003e on the total connected load line.\u003c\/li\u003e\n\u003cli\u003eVerify all external voltage check points before startup. The design allows easy probe access.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does the \u003cstrong\u003eRM7850A1019\u003c\/strong\u003e work with existing Honeywell flame detectors?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it is compatible with most Honeywell flame detectors. Choose the correct plug-in amplifier from Table 7.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What shipping carriers do you use?\u003c\/strong\u003e\u003cbr\u003eA: We ship via \u003cstrong\u003eFedEx, UPS, or DHL\u003c\/strong\u003e depending on your location and order urgency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I use this module for 220-240V systems?\u003c\/strong\u003e\u003cbr\u003eA: No, the \u003cstrong\u003eRM7850A1019\u003c\/strong\u003e requires \u003cstrong\u003e120V\u003c\/strong\u003e. For 220-240V, order EC7830 or EC7850 series instead.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How do I check fault history after a lockout?\u003c\/strong\u003e\u003cbr\u003eA: The nonvolatile memory retains fault logs. Use an optional keyboard display module (KDM) or external annunciation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is the \u003cstrong\u003eRM7850A1019\u003c\/strong\u003e suitable for safety-critical systems?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it is \u003cstrong\u003eSIL 3 capable\u003c\/strong\u003e in a properly designed Safety Instrumented System. Review Honeywell form 65-0312.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e© 2026 Ubest Automation Limited. \u003ca href=\"https:\/\/www.ubestplc.com\/\"\u003ehttps:\/\/www.ubestplc.com\/\u003c\/a\u003e All rights reserved.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eContact:\u003c\/strong\u003e \u003ca href=\"mailto:sales@ubestplc.com\"\u003esales@ubestplc.com\u003c\/a\u003e | Phone: \u003ca href=\"https:\/\/wa.me\/8618030005825\"\u003e+86 180 3000 5825\u003c\/a\u003e\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52078650917146,"sku":"RM7850A1019","price":253.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/RM7850A1019-1.jpg?v=1776134724","url":"https:\/\/www.ubestplc.com\/products\/rm7850a1019-honeywell-burner-control-120v-15s-ce-fcc","provider":"Ubest Automation Limited","version":"1.0","type":"link"}