Honeywell R7247C1001

Product Name: Honeywell R7247C1001 Solid-State UV Flame Amplifier with Dynamic Self-Check

Product Brief: Plug-in flame amplifier module that processes signals from a Honeywell C7012E/F or C7061A/F ultraviolet flame detector and drives the flame relay in Burner Management Systems (BMS) such as R4140, R4075, BC7000. Features dynamic self-check to verify amplifier and sensor integrity during burner operation.

Category: Honeywell

Description

Key Technical Specifications:

Device Type: Flame Amplifier / Signal Conditioner (not a detector — detector is separate UV cell)
Compatible Flame Scanners: C7012E, C7012F (UV scanner), C7061A/F (UV flame detector)
Compatible Burner Controls: R4140G/M/L, R4075C/D/E, BC7000 Micro, R4138C/D, FSP5075 modules
Flame Failure Response Time (FFRT): 2–4 seconds typical
Self-Check Feature: Dynamic self-check — periodically verifies amplifier & detector circuit integrity (requires compatible scanner with mechanical shutter or electronic self-check UV cell)
Supply Voltage: 120 VAC or 24 VAC/DC depending on control it plugs into (typically 120 VAC when used with R4140/R4075; check control’s amplifier socket spec)
Output: Flame relay contact (dry contact) to burner control — closed = flame proven
Flame Signal Sensitivity: Compatible with UV scanners producing microamp-level photocurrent; amplifier interprets and thresholds
Operating Temp Range: -40°F to +185°F (-40°C to +85°C)
Mounting: Plug-in to designated amplifier socket on burner control or separate amplifier base (rack/wall mount options available)
Indicators: Usually viewed through control door — flame signal strength meter / LEDs on host control
Approvals: UL listed (File MP268), CSA certified, FM approved, Swiss RE acceptable, CSD-1 compliant
Dimensions (module body): approx. 5.3″ H × 4.9″ W × 3.4″ D (when in enclosure)

Applications: Industrial gas/oil-fired boilers, process heaters, thermal oxidizers, incinerators — anywhere UV-detection BMS is used per NFPA 85/86standards.

Installation & Notes: Always replace with same model number — different R7247 variants (A/B/C etc.) have different self-check timing & compatibility. Verify UV scanner model is self-check capable if dynamic self-test is required by code. Perform flame signal strength test during commissioning (> minimum µA threshold per manual). Keep amplifier connections clean and tight — poor contact causes nuisance flame failures.

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