Azbil R4750B220 Flame Detector
Technical specs, application notes, replacement checks, and related model references.
Product Overview
The Azbil (formerly Yamatake) R4750B220 is an advanced, high-performance burner control unit designed to ensure the safe ignition and continuous monitoring of industrial gas and oil burners. Incorporating Azbil's authoritative dynamic self-checking circuitry, it provides unparalleled fail-safe protection against internal component failures and flame simulation. Engineered for continuous or intermittent operation, this controller meets rigorous international safety standards and is widely deployed in commercial boilers, industrial furnaces, and complex thermal processing equipment.
Technical Specifications
Application
Burner Control & Flame Supervision
Flame Detection
UV (Ultraviolet) or Ionization (Model dependent)
Safety Architecture
Dynamic Self-Checking Circuitry
Operating Voltage
100/200 V AC or 115/230 V AC
Approvals
JIS, CE, UL (Model specific)
Selection Notes & Data Verification
The R4750B220 page is structured for engineering comparison: confirm the product type, firing range, fuel type, operating mode, electrical supply, and safety approvals against the manufacturer datasheet before specifying the burner or component.
Burner.wiki normalizes product data for discovery and comparison, but final selection should account for combustion chamber backpressure, local emission limits, control sequence requirements, and site commissioning conditions.
Typical Applications
Related Models
Related Knowledge
FAQ
What is Azbil R4750B220 used for?
Azbil R4750B220 is referenced as a flame detector for industrial combustion systems. Verify the exact application against the burner documentation, control cabinet wiring, and manufacturer datasheet.
Can R4750B220 replace another model?
Replacement depends on voltage, safety timing, wiring terminals, flame supervision method, mechanical fit, and local combustion safety requirements.
What should be checked before installing R4750B220?
Check supply voltage, burner sequence, fuel type, pressure or capacity range, detector compatibility, safety loop configuration, and the equipment nameplate before commissioning.
Documentation Note
Technical documentation should be verified against the manufacturer datasheet, burner cabinet wiring diagram, and equipment nameplate before installation or replacement.
- Check supply voltage and frequency.
- Confirm terminal layout and safety interlocks.
- Verify flame detector or actuator compatibility.
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Our experts can help you verify if R4750B220 fits your combustion chamber and backpressure requirements.
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