Description
The FIREYE 25SU3-2000 Flame Safeguard Amplifier is a rack-mounted flame monitoring module designed for burner management and combustion safety systems. It detects the presence or absence of flame signals from UV or IR flame scanners and provides reliable flame supervision for single or multi-burner applications.
The 25SU3-2000 provides advanced flame discrimination by analyzing scanner pulse rates and supports inputs from two flame scanners, allowing flexible flame monitoring configurations. It is widely used in industrial boilers, furnaces, combustion systems, power plants, and process heating equipment where safe burner operation is required.
25SU3-2000
🔹 Product Parameters
| Parameter | Description |
|---|---|
| Brand | FIREYE |
| Model | 25SU3-2000 |
| Series | 25SU3 Flame Safeguard Series |
| Product Name | Rack-Mounted Flame Safeguard Amplifier |
| Origin / Place of Origin | USA |
| Product Status | New Surplus / Industrial Spare Part |
| Dimensions | Approx. 128.5 × 50.3 × 203.2 mm |
| Weight | Approx. 2 kg |
| Power | 24 VAC / 24 VDC |
| Discontinued | Legacy model, available through industrial replacement channels |
🔹 Technical Features
⚙️ Designed for Fireye flame monitoring and burner management systems.
⚙️ Detects flame presence and flame failure conditions in combustion applications.
⚙️ Supports two flame scanner inputs (Scanner A and Scanner B) for flexible monitoring configurations.
⚙️ Provides adjustable flame relay thresholds and flame failure response timing.
⚙️ Includes flame signal display, parameter adjustment, and diagnostic functions.
⚙️ Supports 4–20 mA analog flame signal output for monitoring applications.
⚙️ Provides communication capability with PLC systems through supported communication options.
⚙️ Suitable for boilers, burners, furnaces, and industrial combustion control systems.
🔹 Common Questions & Answers
Q: What is the main function of the FIREYE 25SU3-2000?
A: The 25SU3-2000 monitors flame scanner signals and determines whether a burner flame is present or absent, providing flame safety control functions.
Q: What type of flame scanners can be used with this amplifier?
A: The unit can work with compatible Fireye flame scanners, including UV and IR scanner systems depending on the application configuration.
Q: How many flame scanners can the 25SU3-2000 support?
A: The amplifier can receive pulse inputs from two flame scanners, which can be configured separately or combined through logic settings.
Q: What are common failure symptoms of this amplifier?
A: Typical issues include flame signal loss, burner shutdown alarms, scanner communication faults, incorrect flame relay operation, or unstable flame detection.
Q: What should be checked before replacing the 25SU3-2000?
A: Verify the model number, rack compatibility, power supply voltage, flame scanner type, wiring connections, and burner control configuration before installation.
Q: Can the 25SU3-2000 replace other Fireye flame amplifiers?
A: Replacement should be confirmed according to the existing burner management system configuration because different amplifier models may have different scanner compatibility and functions.
🔹 Recommended FIREYE Models
- FIREYE 25SU3-2000 Flame Safeguard Amplifier
- FIREYE 25SU3-2100 Flame Safeguard Amplifier
- FIREYE 25SU3-2150 Flame Safeguard Amplifier
- FIREYE 25SU3-5166 Flame Amplifier
- FIREYE 25SU3-5166D Flame Amplifier
- FIREYE 25SU3-5168 Flame Amplifier
- FIREYE 25SU5-5011 Flame Signal Amplifier
- FIREYE 25SU5-5012 Flame Signal Amplifier
- FIREYE 25SU5-5013 Flame Signal Amplifier
- FIREYE 45UV5-1000 UV Flame Scanner
- FIREYE 45UV5-1101 UV Flame Scanner
- FIREYE 45RM4-1003 IR Flame Scanner
- FIREYE 60-2470 Power Supply Module
- FIREYE 19MPS-2000 Multi-Purpose Power Supply
- FIREYE 60-2530 Surface Mount Wiring Rack
