Overview
The Fireye YZ300 Interlock Annunciator Module is a professional-grade expansion component designed to enhance the monitoring and diagnostic capabilities of the Fireye BurnerLogix system (YB110 or ZB110). It provides “first-out” annunciation for industrial interlocks, allowing operators to quickly identify which specific limit or interlock switch caused a burner shutdown or lockout. By providing clear visual indication of system faults, the YZ300 reduces troubleshooting time and maintenance costs while supporting safe and reliable combustion control in demanding industrial heating environments.
Features
- Expanded Annunciation: Tracks and individually identifies up to 20 interlock switches (4 recycling interlocks and 16 running interlocks).
- First-Out Functionality: Automatically updates the BurnerLogix display to act as a first-out annunciator, identifying the primary cause of system interruptions.
- Customizable Messaging: Users can select from a library of pre-defined messages using display modules (BLV512 or BLL510) or program custom messages up to 40 characters using YZ300P Windows-based software.
- Dual-Fuel Support: Features an integrated fuel selection circuit that provides full annunciation even when two fuels are fired simultaneously.
- Seamless Integration: Connects to BurnerLogix chassis via dedicated cables (ED580 series) and assumes the same Modbus-RTU address and baud rate as the main control.
- Status Indicators: Includes 6 LEDs on the front panel to provide immediate visual status of interlock groups (Recycling, Water, Oil, Gas, Non-Recycling, and Status).
Specifications
- Model Number: YZ300
- Supply Voltage: 120 VAC (+10%, -15%), 50/60 Hz
- Power Consumption: 10 VA
- Operating Temperature: -40 degree F to +140 degree F (-40 degree C to +60 degree C)
- Humidity Range: 85% R.H. non-condensing
- Protection Category: NEMA 1 (IP01)
- Dimensions: Wiring base measures 4 in. wide x 7 in. high (101.6 mm x 177.8 mm)
- Weight: Approximately 1.1 lbs (0.5 kg)
- Compatibility: Requires BurnerLogix YB110 (Engineering Code 3 or later) or any ZB110 chassis; fits into wiring base 60-2872-1 or 60-2874-1.
Applications
The Fireye YZ300 is primarily used in industrial and commercial combustion systems that utilize the Fireye BurnerLogix burner management platform. It is ideal for monitoring various limit conditions such as high/low water levels, high/low gas pressure, oil temperature and pressure, atomizing media, and air flow. Common applications include:
- Industrial burner management systems
- Commercial heating equipment
- Process heating and combustion monitoring
- Flame safeguard control panels for boilers and furnaces



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