1 PCS new Honeywell RM7890A1056 Combustion Controller #LYQ007
1 PCS new Honeywell RM7890A1056 Combustion Controller #LYQ007
1 PCS new Honeywell RM7890A1056 Combustion Controller #LYQ007
General Information (Honeywell Original Factory Standard
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Parameter
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Specification (RM7890A1056)
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Unit
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Factory Notes (Original Description)
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Brand
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Honeywell (USA, Original Factory, Brand New Genuine Product)
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-
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100% brand new Honeywell original product, produced in strict accordance with original factory quality control standards, factory calibrated and performance tested before delivery to ensure safety and reliability[1][2][3].
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Product Model
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RM7890A1056 (Order Code: RM7890A1056; Factory Code: RM7890A/1056)
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-
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Original factory model, unchanged, belonging to Honeywell 7800 series relay modules, dedicated for industrial single burner combustion control[1][2][3].
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Product Type
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Microprocessor-Based Integrated Combustion Controller, Relay Module, Burner Control Unit
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-
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Integrated relay module for automatically fired single burner on/off applications, compatible with multiple fuels, integrating full-function combustion control and safety protection[1][2].
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Control Functions
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Automatic Burner Sequencing, Flame Supervision, VPS Check, Fault Diagnosis, Status Indication, Fault Alarm, Preignition
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-
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Comprehensive control and safety protection functions, realizing automatic and safe operation of burners, with clear fault indication for easy troubleshooting[2][3].
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Supply Voltage
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AC 120 V ±10%/-15%, 50/60 Hz ±10%
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V AC, Hz
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Stable voltage input range, adaptable to global industrial power supply environments, ensuring consistent performance under voltage fluctuations[1][2][3].
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Power Dissipation
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Maximum 10 W
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W
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Low power consumption, energy-saving and environmental protection, reducing long-term operation costs of combustion systems[1].
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Maximum Connected Load
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2000 VA; Fusing: Maximum 15 A (Type SC or Equivalent, Fast Blow)
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VA, A
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Strong load capacity, equipped with fast-blow fuse protection to avoid damage caused by internal short circuit[1].
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Flame Establishing Period
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Pilot: 4 sec or 10 sec (Selectable); Main: Intermittent
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sec
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Selectable pilot flame establishing period, intermittent main flame establishing, ensuring reliable ignition and flame stabilization[2][3].
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Flame Detection
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Compatible with R7847/R7848/R7849/R7851/R7852/R7861/R7886 Flame Amplifiers
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-
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Interchangeable plug-in flame amplifiers, flexible matching, ensuring accurate flame detection and supervision[2].
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Valve Proving Feature
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Programmable VPS Check; Requires S7800A1142 Keyboard Display for Setup
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-
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Built-in programmable valve proving switch check feature, enhancing combustion system safety; S7800A1142 keyboard display is required for parameter setup[2].
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Operating Temperature Range
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-40 ℃ ~ 60 ℃ (-40 ℉ ~ 140 ℉), Non-Condensing
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℃, ℉
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Wide operating temperature range, adaptable to harsh industrial on-site environments, no condensation allowed to protect internal components[1][2].
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Storage Temperature Range
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-40 ℃ ~ 66 ℃ (-40 ℉ ~ 150 ℉), Non-Condensing
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℃, ℉
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Suitable for long-term storage and transportation, effectively protecting internal electronic components from environmental impact[1].
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Relative Humidity
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Maximum 85% RH, Continuous Non-Condensing
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% RH
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Strong humidity resistance, adaptable to high-humidity industrial workshops, avoiding component damage caused by condensation[1].
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Vibration Resistance
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0.5 g Environment
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g
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Strong vibration resistance, stable performance in vibrating industrial environments, ensuring reliable operation of the combustion control system[1][2].
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Dimensions (W×H×D)
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With Q7800A Subbase: 127×127×133 mm; With Q7800B Subbase: 127×127×155 mm
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mm
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Compact size, compatible with Q7800A/B universal wiring subbases, easy to install in industrial control cabinets[2].
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Net Weight
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Approx. 0.8 kg ~ 1.25 kg (Depends on Subbase)
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kg
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Light weight, easy to transport and install, reducing the load of mounting brackets[2][3].
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Required Components
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Q7800A/B Subbase + R Series Flame Amplifier; S7800A1142 (for VPS Setup)
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-
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Subbase and flame amplifier are required for normal operation; S7800A1142 keyboard display is needed for VPS parameter setup[2].
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Optional Accessories
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KDM, Remote Display, PC Interface, Data Control Bus Module, Remote Reset Module
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-
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Multiple optional accessories available, realizing extended functions such as remote operation and data monitoring[2].
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Certifications
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UL, CSA, FCC Part 15 Class B, SIL 3 Capable, Swiss Re Acceptable
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-
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Complies with international industrial safety, electromagnetic compatibility and quality standards, applicable to global industrial markets[1][2].
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Warranty Period
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12 Months (Original Factory Warranty, Brand New Product)
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Months
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Covers manufacturing defects of brand new products, free repair or replacement provided by the original factory within the warranty period[2][3].
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Application
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Automatically Fired Single Burner Systems, Gas/Oil/Coal Combustion Equipment, Industrial Furnaces, HVAC Systems
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-
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Widely used in various industrial single burner combustion control scenarios, providing safe, reliable and efficient automatic control solutions[1][2][3].
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