{"product_id":"rm7838c1004-honeywell-7800-series-semi-automatic-burner-control-unit-120-vac","title":"RM7838C1004 | Honeywell 7800 Series Semi-Automatic Burner Control Unit, 120 VAC","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"376\" data-start=\"85\"\u003eThe Honeywell RM7838C1004 burner control unit is a microprocessor-based relay module designed for semi-automatic burner management in industrial combustion systems. Operating at 120 VAC, it controls pre-ignition, flame establishment, and safety interlocks for intermittent pilot burner applications. This unit includes an S7800 keyboard display module for system monitoring and diagnostics.\u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100%; height: 401.876px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.3874%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.3933%; height: 19.5938px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.3874%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.3933%; height: 19.5938px;\"\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.3874%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.3933%; height: 19.5938px;\"\u003eBurner Controls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.3874%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.3933%; height: 19.5938px;\"\u003eRM7838C1004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.3874%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.3933%; height: 19.5938px;\"\u003eBurner Control Units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.3874%; height: 19.5938px;\"\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.3933%; height: 19.5938px;\"\u003e7800 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.3874%; height: 19.5938px;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.3933%; height: 19.5938px;\"\u003eBurner Control Relay Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.3874%; height: 19.5938px;\"\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.3933%; height: 19.5938px;\"\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.3874%; height: 19.5938px;\"\u003e\u003cstrong\u003eFrequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.3933%; height: 19.5938px;\"\u003e50\/60 Hz (±10%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.3874%; height: 19.5938px;\"\u003e\u003cstrong\u003eProgramming Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.3933%; height: 19.5938px;\"\u003eSemi-Automatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 10px;\"\u003e\n\u003ctd style=\"width: 40.3874%; height: 10px;\"\u003e\u003cstrong\u003ePilot Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.3933%; height: 10px;\"\u003eInterrupted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.3874%; height: 19.5938px;\"\u003e\u003cstrong\u003ePilot Flame Establishing Period\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.3933%; height: 19.5938px;\"\u003e4 sec or 10 sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.3874%; height: 19.5938px;\"\u003e\u003cstrong\u003eMain Flame Establishing Period\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.3933%; height: 19.5938px;\"\u003eIntermittent (10 sec)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.3874%; height: 19.5938px;\"\u003e\u003cstrong\u003ePre-Ignition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.3933%; height: 19.5938px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.3874%; height: 19.5938px;\"\u003e\u003cstrong\u003eInterlocks\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.3933%; height: 19.5938px;\"\u003eRunning \/ Lockout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.3874%; height: 19.5938px;\"\u003e\u003cstrong\u003eDisplay Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.3933%; height: 19.5938px;\"\u003eYes (S7800)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.3874%; height: 19.5938px;\"\u003e\u003cstrong\u003eOperating \/ Storage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.3933%; height: 19.5938px;\"\u003e-40°F to +140°F (-40°C to +60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.3874%; height: 19.5938px;\"\u003e\u003cstrong\u003eVibration Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.3933%; height: 19.5938px;\"\u003e0.5 G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.3874%; height: 19.5938px;\"\u003e\u003cstrong\u003eApprovals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.3933%; height: 19.5938px;\"\u003eUL, CSA, FM, FCC Part 15 Class B, CSD-1, Swiss RE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.3874%; height: 19.5938px;\"\u003e\u003cstrong\u003eDimensions (W × H × D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.3933%; height: 19.5938px;\"\u003e5 × 5 × 5.25 in (with Q7800A subbase)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.3874%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.3933%; height: 19.5938px;\"\u003e1 lb 10 oz (0.7 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About\u003cspan data-sheets-root=\"1\"\u003e RM7838C1004\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe RM7838C1004 is part of Honeywell’s 7800 Series burner management controls, engineered for safe and reliable operation of automatically fired burners. It is designed for semi-automatic programming control and manages ignition sequencing, pilot and main flame supervision, and lockout interlocks. The control supports interrupted pilot operation with selectable pilot flame establishing periods and an intermittent main flame establishing period. Built for demanding industrial environments, it integrates with Honeywell wiring subbases, flame signal amplifiers, and purge timer cards to form a complete flame safeguard system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e7800 Series Relay Module: Designed for integration into Honeywell’s advanced burner management systems.\u003c\/li\u003e\n\u003cli\u003eSemi-Automatic Programming Control: Supports controlled startup and operation of industrial burners.\u003c\/li\u003e\n\u003cli\u003eInterrupted Pilot Operation: Manages pilot ignition with selectable flame establishing periods.\u003c\/li\u003e\n\u003cli\u003eIntegrated Safety Interlocks: Provides lockout and running interlock functionality for burner safety.\u003c\/li\u003e\n\u003cli\u003eIncluded S7800 Display: Enables local status indication, diagnostics, and troubleshooting.\u003c\/li\u003e\n\u003cli\u003e120 VAC Power Input: Compatible with standard industrial power supplies at 50\/60 Hz.\u003c\/li\u003e\n\u003cli\u003eFlexible System Integration: Supports multiple Honeywell subbases, flame amplifiers, and purge timer cards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe RM7838C1004 delivers the reliability and precision required for safe burner sequencing and flame safeguard control in industrial combustion applications.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49105021436160,"sku":"RM7838C1004","price":2972.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/RM7800-Series-2.jpg?v=1785538190","url":"https:\/\/alotechparts.com\/products\/rm7838c1004-honeywell-7800-series-semi-automatic-burner-control-unit-120-vac","provider":"Alo Tech Solutions","version":"1.0","type":"link"}