Honeywell C7061A1020 UV Detector with Shutter – 120/230V Dynamic Self-Checking Flame Sensor

Technical Specifications

• Brand & Model: Honeywell, C7061A1020 Ultraviolet Flame Detector with Shutter.
• Power Supply: 120V or 230V, 50/60 Hz – flexible for global installations.
• Detection Method: Ultraviolet radiation sensing for gas, oil, or other fuel flames.
• Self-Checking Mechanism: Oscillating shutter tests the UV sensor tube continuously.
• Ambient Temperature Range: -40°C to +79°C (-40°F to +174°F).
• NEMA Rating: NEMA 4 – weather-resistant for outdoor or washdown areas.
• Mounting: 3/4 inch NPT threaded conduit fitting.
• Mounting Orientation: Horizontal, vertical, or any angle in between.
• Field Replaceable Parts: UV sensing tube and quartz viewing window.
• Electrical Connections: Terminal block with color-coded leadwires.
• Dimensions: 133 mm diameter (including flange) x 183 mm length.
• Shipping Weight: 3 kg.
• Approvals: Swiss RE acceptable.

Key Features & Benefits

• Dynamic self-checking shutter: Tests the UV sensor every cycle without external intervention.
• Wide voltage range: Operates on 120V or 230V without swapping parts.
• Extreme temperature tolerance: Works reliably from -40°C to +79°C.
• Field-replaceable UV tube and quartz window: Reduces maintenance costs and downtime.
• Flexible mounting orientations: Fits tight spaces or unusual burner configurations.
• Parallel detector wiring: Connect two units to reduce nuisance shutdowns in difficult flame sighting applications.
• Protective heat block: Built into mounting flange to shield electronics from burner heat.

Frequently Asked Questions (FAQ)

• Q: Does the C7061A1020 work with any flame amplifier?
  A: No, it specifically requires the R7861 dynamic self-checking amplifier series.
• Q: What does the oscillating shutter do?
  A> The shutter periodically blocks UV radiation to test the sensor tube's response, ensuring failsafe operation.
• Q: Can I use this detector outdoors?
  A: Yes, its NEMA 4 rating protects against rain and splashing water.
• Q: How do I know when to replace the UV tube?
  A: Replace it when the flame signal drops below the amplifier's minimum threshold even after cleaning the window.
• Q: What is the benefit of wiring two detectors in parallel?
  A: Parallel wiring reduces nuisance shutdowns caused by flame flicker or partial blockage in difficult sighting conditions.
• Q: Is the mating connector included?
  A: No, Honeywell does not supply the C7061A1038 or A1046 5-pin Brad Harrison connector. You must source it separately.

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