The Tyco PSU-830 is a high-performance, switch-mode power supply module designed specifically for use within Tyco and Zettler fire alarm control panels. It provides a stable and regulated power source to the control equipment while simultaneously managing the charging and maintenance of backup batteries.

 

Product Overview

The PSU-830 is engineered for reliability in life-safety applications. It converts high-voltage AC mains power into a filtered DC output required for the complex electronics of a fire detection system. A key feature of this module is its intelligent battery management system, which monitors battery health and ensures a seamless transition to DC power during a mains failure, guaranteeing that the fire security network remains operational 24/7.

 

Technical Datasheet

General Specifications

• Product Name: Tyco PSU-830
• Module Type: Switch Mode Power Supply Unit
• Input Voltage: 230V AC (+10% / -15%), 50/60 Hz
• Output Voltage: 27.5V DC (Nominal)
• Output Current: 5.0A (Total load including battery charging)
• Efficiency: >85% at full load
• Battery Charging: Temperature-compensated charging for lead-acid batteries
• Protection: Over-voltage, short-circuit, and thermal overload protection
• Operating Temperature: -5°C to +40°C
• Dimensions: 205mm x 135mm x 65mm
• Weight: 1.25 kg
• Country of Origin: United Kingdom / EU

 

Application Fields

• Fire Alarm Systems: Providing primary power to MZX and Minerva MX series control panels.
• Access Control: Supplying regulated power to door controllers and electromagnetic locks.
• Emergency Lighting: Integrating with security systems to manage emergency power distribution.
• Industrial Safety: Powering gas detection and notification appliances in critical infrastructure.

 

Product Instructions

• Installation: The PSU-830 should be mounted within the fire panel enclosure using the provided standoffs. Ensure that the mains power is disconnected during the entire installation process.
• Mains Connection: Connect the AC live, neutral, and earth wires to the terminal block. Ensure the earth connection is robust to prevent EMI issues.
• Battery Setup: Connect two 12V sealed lead-acid batteries in series to provide the 24V backup. Check for correct polarity to avoid damaging the charging circuit.
• Configuration: The Tyco PSU-830 typically operates automatically upon power-up. However, ensure the internal jumpers are set correctly for the specific panel model as detailed in the system manual.

Q&A: Frequently Asked Questions

• Q: What do the different LED flash patterns mean?
  • A: A steady green LED indicates healthy AC power; a yellow LED usually signifies a battery fault or a disconnected battery; a red LED indicates a critical power supply failure or overload.
• Q: Can I use this power supply as a standalone unit?
  • A: While technically possible, the PSU-830 is designed to communicate with a motherboard via a ribbon cable to report fault conditions; using it alone may require bypassing these monitoring signals.
• Q: How often should the batteries be replaced?
  • A: In a fire safety context, it is recommended to replace the backup batteries every 3 to 4 years, or sooner if the PSU-830 reports a “Battery Low” or “Internal Resistance High” fault.
• Q: Does it support different mains voltages?
  • A: The standard PSU-830 is rated for 230V AC systems. For regions using 110V AC, a specific variant or an external step-up transformer may be required.

 

Recommended Similar Models

• Tyco PSU-835 (Enhanced Current Version)
• Tyco APM-800 Addressable Power Module
• Zettler 557.202.224 Power Supply
• Thorn MX PSU-830 Fire Interface
• Honeywell Morley-IAS 24V 5A Power Supply Unit