R7140L1009 Honeywell égőszabályozó modul 120VAC
Manufacturer: Honeywell
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Part Number: R7140L1009
Condition：New with Original Package
Product Type: Lángvédelmi vezérlők
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Overview
The Honeywell R7140L1009 serves as the primary microprocessor-based logic center for single-burner combustion systems. This module automates the entire firing sequence, including prepurge, ignition, flame supervision, and safety shutdown. Designed to handle diverse fuel types—including gas, oil, coal, and combinations—the R7140L1009 provides a modern, high-reliability upgrade path for legacy combustion hardware. It ensures that industrial furnaces, boilers, and HVAC units operate within strict safety parameters by monitoring flame presence and system variables in real-time.
Technical Specifications
The R7140L1009 integrates precise timing and voltage control to manage combustion safely:
| Feature | Specification Details |
| Manufacturer | Honeywell |
| Model Number | R7140L1009 |
| Operating Voltage | 120 VAC (+10/-15%), 50/60 Hz |
| Fuel Compatibility | Gas, Oil, Coal, or Combination Fuels |
| Prepurge Duration | Determined by ST7800 Purge Timer card |
| Main Flame Establishing | 10 or 15 Seconds (Selectable) |
| Pilot Flame Establishing | 4 or 10 Seconds (Selectable) |
| Pilot Type | Interrupted Pilot |
| Post Purge Duration | 15 Seconds |
| Operating Temperature | -40°C to +60°C (-40°F to +140°F) |
| Dimensions | 12.7 cm × 12.7 cm × 9.6 cm |
| Certifications | UL508, CSA, CE, TUV |
Engineering Advantages
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Legacy System Modernization: The R7140L1009 directly replaces the aging Honeywell R4140L series. It utilizes the same footprint while upgrading the internal logic from electro-mechanical relays to a solid-state microprocessor, significantly reducing maintenance requirements and mechanical failure points.
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Intelligent Diagnostics: The module monitors its own internal circuitry and external field inputs. If a flame failure or hardware fault occurs, the module initiates an immediate safety lockout and provides specific fault codes, allowing technicians to pinpoint issues without extensive manual testing.
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Versatile Timing Control: Integrated dip switches or plug-in purge cards allow engineers to customize flame establishing times. This flexibility enables the module to support a wide range of burner sizes and venting requirements within a single hardware platform.
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Environmental Hardening: Built to withstand the rigors of industrial boiler rooms, the module operates reliably in temperatures as low as -40°C. Its robust housing protects the internal microprocessor from the vibration and electrical noise common in heavy-duty HVAC and process heating applications.
FAQs
Q: Is the Honeywell R7140L1009 a 100% Brand New original product?
A: Yes. We supply only 100% Brand New, original Honeywell factory units. Every module comes in its original packaging, ensuring full compliance with safety standards and a valid 12-month industrial warranty.
Q: Does this module require additional components to function?
A: Yes. For a complete installation, you typically require a subbase, a flame amplifier (e.g., R7847, R7849), and a purge timer card. The R7140L1009 acts as the logic head that coordinates these auxiliary components.
Q: Can the R7140L1009 handle dual-fuel burners?
A: Absolutely. The module supports combination fuel setups. You can switch between gas and oil inputs without replacing the control module, provided your external piping and valves are correctly interlocked.
Q: What is the main difference between this and the older R4140L?
A: While the R4140L relied on mechanical timers and cams, the R7140L1009 uses a digital microprocessor. This shift eliminates mechanical wear, provides more accurate timing, and offers advanced LED/Display diagnostic capabilities that the older series lacked.