{"product_id":"honeywellrm7830a1029-burner-control-relay","title":"HONEYWELLRM7830A1029 Burner Control Relay","description":"\u003cp\u003eConfigured for automatic burner sequencing and flame safety monitoring in industrial fuel-burning systems, the \u003cstrong\u003eHoneywell RM7830A1029\u003c\/strong\u003e (\u003cstrong\u003eRM7830A\u003c\/strong\u003e Relay Module) provides direct physical\/electrical execution. It establishes solid-state timing, pilot\/main valve firing sequences, pre-ignition checks, and lockout interlocks supervision. The module incorporates direct terminal outputs for a dedicated 30-second post-purge cycle and operates on standard line voltage inputs.\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\u003eRM7830A1029\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\u003e1.72 lbs (0.78 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 7800 Series Footprint\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 (-40 deg F to +140 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e10 W Maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e120 V, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePost Purge Duration\u003c\/td\u003e\n\u003ctd\u003e30 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Interface Support\u003c\/td\u003e\n\u003ctd\u003eKeyboard Display Module Supported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Features\u003c\/td\u003e\n\u003ctd\u003ePre-Ignition Check \u0026amp; Lockout Interlocks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003ePlug-in module on 7800 Series wiring subbase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol \u0026amp; Dynamic Signal Isolation\u003c\/h3\u003e\n\u003cp\u003eThe Honeywell RM7830A relay module interfaces directly with plug-in flame signal amplifiers and system keypad displays across the 7800 Series ecosystem. Dynamic flame sensor signals (rectification, ultraviolet, or infrared) are processed through isolated microcomputer logic. Auxiliary relay outputs and communication paths facilitate integration into external 4-20 mA HART loop protocol adapters and distributed control system (DCS) monitoring networks. Internal channel-to-channel isolation safeguards sensitive low-voltage micro-amp logic circuits against high-voltage ignition line surges and industrial ground loops.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Is the RM7830A1029 relay module approved for live insertion into an energized wiring subbase?\u003c\/p\u003e\n\u003cp\u003eA: No. Operating power must be completely disconnected from the wiring subbase prior to inserting or removing the relay module. Live hot-swapping can trigger pin arcing, damage internal microprocessors, or induce false safety lockouts.\u003c\/p\u003e\n\u003cp\u003eQ: How does the module handle an open circuit on the lockout interlock terminal during operation?\u003c\/p\u003e\n\u003cp\u003eA: An open lockout interlock input immediately breaks the safety circuit, de-energizing the fuel safety shutoff valves and initiating an instantaneous safety shutdown state.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the matching 7800 Series wiring subbase vertically inside a grounded NEMA-rated enclosure to shield internal components from ambient dust and moisture.\u003c\/li\u003e\n\u003cli\u003eSeparate high-voltage ignition transformer leads from low-voltage flame sensor lines. Run sensor cabling in dedicated grounded metallic conduit to prevent electrical noise interference.\u003c\/li\u003e\n\u003cli\u003eAlign the RM7830A1029 guide pins with the subbase socket and push firmly until the integral retaining screws engage the frame securely.\u003c\/li\u003e\n\u003cli\u003eConnect the earth ground lug of the wiring subbase directly to the main control panel earth bus bar using heavy-gauge copper wire.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":45434987839603,"sku":"RM7830A1029","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/RM7840L1075_2_a7edd1b5-df8f-4541-8c0e-933ccfbf928f.png?v=1788319589","url":"https:\/\/www.dcssupplier.com\/products\/honeywellrm7830a1029-burner-control-relay","provider":"DcsSupplier Limited","version":"1.0","type":"link"}