{"product_id":"honeywell-rm7885a1015-7800-series-burner-control-module","title":"Honeywell RM7885A1015 7800 Series Burner Control Module","description":"\u003cdiv class=\"qk-md-paragraph\"\u003e\n\u003cp\u003eConfigured for semi-automatic primary burner control execution in 7800 Series platforms, the \u003cstrong\u003eHoneywell RM7885A1015\u003c\/strong\u003e (\u003cstrong\u003eRM7885A\u003c\/strong\u003e Burner Control Module) provides direct physical\/electrical execution for flame supervision, sequence timing, and dynamic safety shutdown across industrial single-burner gas, oil, or dual-fuel systems.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eRM7885A1015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.8 kg (1 lb 13 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e127 mm x 127 mm x 133 mm (with Q7800A) \/ 155 mm (with Q7800B)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e10 W nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e120 VAC (+10%, -15%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e50 Hz \/ 60 Hz (+\/-10%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eSemi-Automatic Primary Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePilot Flame Establishing Period\u003c\/td\u003e\n\u003ctd\u003e15 min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain Flame Establishing Period\u003c\/td\u003e\n\u003ctd\u003eIntermittent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePilot Type\u003c\/td\u003e\n\u003ctd\u003eIntermittent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostic Display\u003c\/td\u003e\n\u003ctd\u003e5 Sequence Status LEDs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Retention\u003c\/td\u003e\n\u003ctd\u003eNonvolatile memory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRequired Subbase\u003c\/td\u003e\n\u003ctd\u003eQ7800A or Q7800B Universal Wiring Subbase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRequired Flame Amplifier\u003c\/td\u003e\n\u003ctd\u003eR7847, R7848, R7849, R7851, R7852, R7861, or R7886\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration Tolerance\u003c\/td\u003e\n\u003ctd\u003e0.5 G environment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprovals\u003c\/td\u003e\n\u003ctd\u003eUL Component Recognized, CSA Certified, FM Approved, Swiss RE Acceptable, FCC Part 15 Class B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eCold Junction Compensation \u0026amp; DCS Flame Loop Signal Interfacing\u003c\/h3\u003e\n\u003cp\u003eThe Honeywell RM7885A1015 integrates high-density channel-to-channel isolation barriers between line-voltage actuator drives, external alarm contacts, and low-voltage microprocessor control buses. In DCS-monitored burner management loops, the unit interfaces directly with 4-20 mA HART loop protocol transmitters and optical flame detection circuits while enforcing dynamic self-checking flame signal validation during standby states. Thermocouple-based flame monitoring channels utilize integrated cold junction compensation (CJC) algorithms within the plugin flame amplifiers to maintain exact signal translation under fluctuating panel ambient temperatures, preventing drift during low-fire modulation cycles.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What happens to saved operating status and fault logs in the RM7885A1015 during a line power interruption?\u003c\/p\u003e\n\u003cp\u003eA: The RM7885A1015 stores sequence history, lock-out codes, and operating parameters in internal nonvolatile memory. All critical diagnostic state data is retained indefinitely without requiring battery backup during primary power failure.\u003c\/p\u003e\n\u003cp\u003eQ: Can the RM7885A1015 be hot-swapped while the subbase terminals are energized?\u003c\/p\u003e\n\u003cp\u003eA: No. Mains voltage to the Q7800 wiring subbase must be isolated before removing or inserting the module. Hot-plugging under load can cause contact arcing, damaging edge connectors and solid-state logic component pins.\u003c\/p\u003e\n\u003cp\u003eQ: How does the unit handle flame signal validation prior to burner startup?\u003c\/p\u003e\n\u003cp\u003eA: The RM7885A1015 executes an automatic flame signal check during standby mode. If a simulated or actual flame signal is detected before initiation of the firing sequence, the module holds sequence startup and asserts a safety alarm condition.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the RM7885A1015 into a Q7800A or Q7800B Universal Wiring Subbase inside a protective NEMA-rated enclosure. Ensure the subbase terminal block is completely de-energized prior to seating the module pins into the backplane socket.\u003c\/p\u003e\n\u003cp\u003eFlame sensor signal wiring must be routed in dedicated grounded metallic conduit separate from high-voltage spark ignition leads and motor power feeds to avoid capacitive coupling. Connect the subbase grounding terminal to system earth using a low-impedance copper conductor. Maintain terminal screw tightening torque between 0.8 Nm and 1.1 Nm during subbase field wiring termination.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52836502307096,"sku":"RM7885A1015","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/R7120M1001_Cocoai_8ce04746-ecb0-440c-b38f-d13c5100a649.jpg?v=1791511528","url":"https:\/\/www.innoplcsync.com\/products\/honeywell-rm7885a1015-7800-series-burner-control-module","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}