{"product_id":"r7140l1009-u-honeywell-burner-control-module","title":"R7140L1009\/U | Honeywell | Burner Control Module","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell R7140L1009\/U\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eR7140L1009\/U\u003c\/strong\u003e Burner Control Module, operates as a dedicated hardware component for automatic burner sequencing, flame supervision, and diagnostic execution within 7800 Series burner management 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\u003eR7140L1009\/U\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\u003e1.4 kg (3 lbs 1 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e177 mm x 156 mm x 146 mm (7 in. x 6 5\/32 in. x 5 3\/4 in.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +60 deg C (-40 to +140 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e120 VAC (+10, -15%), 50\/60 Hz (+\/-10%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication Type\u003c\/td\u003e\n\u003ctd\u003eUpgrade replacement programming control for R4140 and BC7000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrePurge Timing\u003c\/td\u003e\n\u003ctd\u003eDetermined by ST7800 Plug-in Purge Timer Card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePostPurge Timing\u003c\/td\u003e\n\u003ctd\u003e15 sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePilot Flame Establishing Period\u003c\/td\u003e\n\u003ctd\u003e4 sec or 10 sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain Flame Establishing Period\u003c\/td\u003e\n\u003ctd\u003e10 sec or 15 sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEarly Spark Termination\u003c\/td\u003e\n\u003ctd\u003e5 sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterlocks \/ Airflow Check\u003c\/td\u003e\n\u003ctd\u003eLockout \/ User selectable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRequired Accessories\u003c\/td\u003e\n\u003ctd\u003eST7800 Purge Timer Card, R78XX Series Amplifier Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration \/ Compliance\u003c\/td\u003e\n\u003ctd\u003e0.5 G environment \/ UL Recognized File MP268, 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 and Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe module incorporates microprocessor-based signal processing circuitry designed to interface directly with specialized R78XX flame signal amplifiers and ST7800 purge timing cards. Internal optical isolation channels decouple line-voltage interlock input circuits from sensitive digital timing logic, preventing high-voltage electrical noise from corrupting flame safety sequencing. Embedded 4-20 mA HART feedback capabilities and cold junction reference logic in connected flame sensors enable precise monitoring of flame signal amplitude across front panel diagnostic interfaces.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What additional components are required to install the R7140L1009\/U module as a replacement control?\u003c\/p\u003e\n\u003cp\u003eA: The module requires an ST7800 Plug-in Purge Timer Card (to set prepurge timing) and a compatible R78XX Series Flame Signal Amplifier (such as R7847, R7848, R7849, or R7861).\u003c\/p\u003e\n\u003cp\u003eQ: Can the R7140L1009\/U directly replace legacy Honeywell BC7000 and R4140 programmer controls?\u003c\/p\u003e\n\u003cp\u003eA: Yes, it is engineered as an upgrade replacement control specifically for legacy BC7000 and R4140 burner programmer chassis installations.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure main 120 VAC electrical power to the burner control panel is completely de-energized prior to removing or mounting the control module.\u003c\/li\u003e\n\u003cli\u003ePlug the ST7800 Purge Timer Card and appropriate R78XX Flame Signal Amplifier into their respective card slots on the R7140L1009\/U unit before mounting.\u003c\/li\u003e\n\u003cli\u003eAlign the subbase mounting feet and secure the module onto the wiring subbase using captive mounting screws.\u003c\/li\u003e\n\u003cli\u003eVerify that field wiring connections for interlocks, airflow switch, pilot valve, and main valve adhere strictly to local electrical and safety code requirements.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":67667467403573,"sku":"R7140L1009\/U","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/R7140L1009U.png?v=1791614566","url":"https:\/\/www.5gplc.com\/products\/r7140l1009-u-honeywell-burner-control-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}